使用Recyclerview实现购物车加入订单

需要的依赖和权限

compile 'com.google.code.gson:gson:2.8.2'
compile 'com.squareup.okhttp3:okhttp:3.6.0'
compile 'com.squareup.okio:okio:1.11.0'
compile 'com.facebook.fresco:fresco:0.11.0'
compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

<application
    android:name="com.bwie.test.custom.RookieApplication"

activity_order_form

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.bwie.test.orderformdemo.OrderFormActivity">
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="50dp">

        <ImageView
            android:layout_width="25dp"
            android:layout_height="25dp"
            android:src="@drawable/leftjiantou"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp"/>

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="购物车"
            android:layout_centerInParent="true"/>

        <TextView
            android:layout_width="match_parent"
            android:layout_height="0.1dp"
            android:layout_alignParentBottom="true"
            android:background="#000000"/>
    </RelativeLayout>

    <ExpandableListView
        android:id="@+id/cart_list"
        android:groupIndicator="@null"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1">
    </ExpandableListView>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="0.1dp"
        android:background="#000000"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp">
        <LinearLayout
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="match_parent"
            android:gravity="center_vertical">

            <CheckBox
                android:id="@+id/all_check"
                android:layout_width="25dp"
                android:layout_height="25dp" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="全选/反选"/>

            <TextView
                android:layout_marginLeft="20dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="总价：￥"
                android:textColor="#FF0000"/>

            <TextView
                android:id="@+id/total_price"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="0.00"
                android:textColor="#FF0000"/>
        </LinearLayout>

        <Button
            android:id="@+id/clearing"
            android:layout_width="80dp"
            android:layout_height="match_parent"
            android:text="去结算(0)"
            android:textColor="#FFFFFF"
            android:background="@drawable/cart_btn_bg"/>
    </LinearLayout>
</LinearLayout>

activity_order_list

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.bwie.test.orderformdemo.OrderListActivity">
    <RelativeLayout
        android:id="@+id/parent"
        android:layout_width="match_parent"
        android:layout_height="50dp">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="订单列表"
            android:layout_centerInParent="true"/>

        <ImageView
            android:id="@+id/status"
            android:layout_width="25dp"
            android:layout_height="25dp"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:src="@drawable/lv_icon"
            android:layout_marginRight="10dp"/>

        <TextView
            android:layout_width="match_parent"
            android:layout_height="0.1dp"
            android:layout_alignParentBottom="true"
            android:background="#000000"/>
    </RelativeLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp">

        <TextView
            android:id="@+id/unpaid"
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="match_parent"
            android:gravity="center"
            android:text="待支付"/>

        <TextView
            android:layout_width="1dp"
            android:layout_height="match_parent"
            android:background="#000000"/>

        <TextView
            android:id="@+id/paid"
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="match_parent"
            android:gravity="center"
            android:text="已支付"/>

        <TextView
            android:layout_width="1dp"
            android:layout_height="match_parent"
            android:background="#000000"/>

        <TextView
            android:id="@+id/canceled"
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="match_parent"
            android:gravity="center"
            android:text="已取消"/>
    </LinearLayout>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="0.1dp"
        android:background="#000000"/>

    <android.support.v7.widget.RecyclerView
        android:id="@+id/recy"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    </android.support.v7.widget.RecyclerView>

</LinearLayout>

cart_child

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="100dp"
    android:gravity="center_vertical">
    <CheckBox
        android:id="@+id/child_check"
        android:layout_width="25dp"
        android:layout_height="25dp" />

    <com.facebook.drawee.view.SimpleDraweeView
        android:id="@+id/image"
        android:layout_marginLeft="10dp"
        android:layout_width="80dp"
        android:layout_height="80dp" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:orientation="vertical">

        <TextView
            android:id="@+id/child_title"
            android:layout_width="match_parent"
            android:layout_height="40dp"
            android:gravity="center_vertical"
            android:maxLines="1"/>

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="40dp">

            <TextView
                android:id="@+id/price_text"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="优惠价：￥"
                android:textColor="#FF0000"
                android:layout_centerVertical="true"/>

            <TextView
                android:layout_toRightOf="@+id/price_text"
                android:id="@+id/bargain_price"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="0.00"
                android:textColor="#FF0000"
                android:layout_centerVertical="true"/>

            <com.bwie.test.custom.NumberAddSubView
                android:id="@+id/number_view"
                android:layout_alignParentRight="true"
                android:layout_width="100dp"
                android:layout_height="25dp"
                app:value="1"
                app:minValue="1"
                app:maxValue="200"
                android:layout_centerVertical="true">
            </com.bwie.test.custom.NumberAddSubView>

        </RelativeLayout>
    </LinearLayout>

</LinearLayout>

cart_group

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="40dp"
    android:orientation="horizontal"
    android:gravity="center_vertical">
    <CheckBox
        android:id="@+id/group_check"
        android:layout_width="25dp"
        android:layout_height="25dp" />

    <TextView
        android:id="@+id/group_name"
        android:layout_marginLeft="10dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

layout_pop

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="40dp"
    android:layout_height="92dp"
    android:orientation="vertical">
    <TextView
        android:id="@+id/unpaid"
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:text="待支付"
        android:textSize="12sp"
        android:gravity="center"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="#000000"/>

    <TextView
        android:id="@+id/paid"
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:text="已支付"
        android:textSize="12sp"
        android:gravity="center"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="#000000"/>

    <TextView
        android:id="@+id/canceled"
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:text="已取消"
        android:textSize="12sp"
        android:gravity="center"/>

</LinearLayout>

number_add_sub_view

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="100dp"
    android:layout_height="25dp"
    android:background="@drawable/selector_number_add_sub"
    android:orientation="horizontal">
    <Button
        android:id="@+id/btn_sub"
        android:layout_width="0dp"
        android:layout_weight="1"
        android:layout_height="match_parent"
        android:background="@drawable/bg_btn_style_white"
        android:text="-"
        android:textColor="#000000"
        android:textSize="14sp" />

    <TextView
        android:id="@+id/tv_num"
        android:layout_width="0dp"
        android:layout_weight="1"
        android:layout_height="match_parent"
        android:gravity="center"
        android:minWidth="100dp"
        android:text="1" />

    <Button
        android:id="@+id/btn_add"
        android:layout_width="0dp"
        android:layout_weight="1"
        android:layout_height="match_parent"
        android:background="@drawable/bg_btn_style_white"
        android:text="+"
        android:textColor="#000000"
        android:textSize="14sp" />

</LinearLayout>

order_recy_item

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="120dp"
    android:orientation="vertical"
    android:paddingLeft="20dp"
    android:paddingRight="20dp">
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="40dp">

        <TextView
            android:id="@+id/order_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="标题"
            android:layout_centerVertical="true"/>

        <TextView
            android:id="@+id/order_status"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:text="待"/>
    </RelativeLayout>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="40dp">
        <TextView
            android:id="@+id/order_price_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="价格：￥"
            android:textColor="#FF0000"
            android:layout_centerVertical="true"/>

        <TextView
            android:id="@+id/order_price"
            android:layout_toRightOf="@+id/order_price_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:text="0.00"
            android:textColor="#FF0000"/>
    </RelativeLayout>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="40dp">

        <TextView
            android:id="@+id/time_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="创建时间："
            android:layout_centerVertical="true"/>

        <TextView
            android:id="@+id/order_create_time"
            android:layout_toRightOf="@+id/time_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="2017"
            android:layout_centerVertical="true"/>

        <Button
            android:id="@+id/order_btn"
            android:layout_width="60dp"
            android:layout_height="20dp"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:text="取消订单"
            android:textSize="8sp"
            android:background="@drawable/order_btn_bg"/>
    </RelativeLayout>

</LinearLayout>

drawable文件夹下bg_btn_style_white

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="false">
        <shape android:shape="rectangle">
            <corners android:radius="2.0dp" />
            <solid android:color="#7fd8d8d8" />
            <stroke android:width="1.0dp" android:color="#dddddd" />
        </shape>
    </item>
    <item android:state_pressed="true">
        <shape android:shape="rectangle">
            <corners android:radius="2.0dp" />
            <solid android:color="#ffd8d8d8" />
            <stroke android:width="1.0dp" android:color="#ddd" />
        </shape>
    </item>
    <item>
        <shape android:shape="rectangle">
            <corners android:radius="2.0dp" />
            <solid android:color="#ffffff" />
            <stroke android:width="1.0dp" android:color="#dddddd" />
        </shape>
    </item>
</selector>

cart_btn_bg

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="#FF0000"/>
    <stroke
        android:color="#000000"
        android:width="0.1dp"/>

</shape>

order_btn_bg

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="#FFFFFF"/>
    <stroke
        android:color="#000000"
        android:width="0.1dp"/>
    <corners android:radius="5dp"/>

</shape>

selector_number_add_sub

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <corners android:radius="2dp" />
    <stroke
        android:width="1dp"
        android:color="#dddddd" />
    <solid android:color="#FFFFFF" />

</shape>

values文件夹下attrs

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <declare-styleable name="NumberAddSubView">
        <attr name="value" format="integer|reference"/>
        <attr name="minValue" format="integer|reference"/>
        <attr name="maxValue" format="integer|reference"/>
        <attr name="btnAddBackground" format="reference"/>
        <attr name="btnSubBackground" format="reference"/>
        <attr name="textViewBackground" format="reference"/>
    </declare-styleable>
</resources>

OrderFormActivity

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ExpandableListView;
import android.widget.TextView;

import com.bwie.test.adapter.CartListAdapter;
import com.bwie.test.bean.CartBean;
import com.bwie.test.orderformdemo.inter_01.CartAdapterCallBack;
import com.bwie.test.presenter.CartPresenter;
import com.bwie.test.presenter.inter.CartPreCallBack;
import com.bwie.test.util.Api;
import com.bwie.test.util.OkHttp3Util;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

public class OrderFormActivity extends AppCompatActivity implements CartPreCallBack,CartAdapterCallBack{
    private ExpandableListView cart_list;
    private TextView total_price_text;
    private CheckBox all_check;
    private Button clearing;
    private CartPresenter cartPresenter;
    private List<CartBean.DataBean> dataBeans = new ArrayList<>();
    private CartListAdapter adapter;
    private double totalPrice;
    private int quantity;
    private List<CartBean.DataBean.ListBean> toDelete = new ArrayList<>();
    private int responseCount;
    private boolean flag;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_order_form);
        //隐藏原有标题
        getSupportActionBar().hide();
        //从presenter层调用方法
        cartPresenter = new CartPresenter(this);
        //查找控件
        cart_list = (ExpandableListView) findViewById(R.id.cart_list);
        total_price_text = (TextView) findViewById(R.id.total_price);
        all_check = (CheckBox) findViewById(R.id.all_check);
        all_check.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                toDelete.clear();
                for (int i=0; i<dataBeans.size(); i++) {
                    toDelete.addAll(dataBeans.get(i).getList());
                }
                responseCount = 0;
                flag = all_check.isChecked();
                updateChildChecked();
            }
        });

        clearing = (Button) findViewById(R.id.clearing);
        clearing.setOnClickListener(new View.OnClickListener() {
            private AlertDialog alertDialog;
            @Override
            public void onClick(View view) {
                AlertDialog.Builder builder = new AlertDialog.Builder(OrderFormActivity.this);
                builder.setTitle("确认订单");
                DecimalFormat decimalFormat = new DecimalFormat("#.00");
                String priceString = decimalFormat.format(totalPrice);
                builder.setMessage("订单金额：￥" + priceString);
                builder.setPositiveButton("确认", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        alertDialog.dismiss();
                        Map<String, String> params = new HashMap<>();
                        params.put("uid", Api.UID);
                        params.put("price", String.valueOf(totalPrice));
                        params.put("token", Api.TOKEN);
                        OkHttp3Util.doPost(Api.CREATE_ORDER, params, new Callback() {
                            @Override
                            public void onFailure(Call call, IOException e) {

                            }

                            @Override
                            public void onResponse(Call call, Response response) throws IOException {
                                if (response.isSuccessful()){
                                    try {
                                        JSONObject jsonObject = new JSONObject(response.body().string());
                                        if("订单创建成功".equals(jsonObject.getString("msg"))){
                                            runOnUiThread(new Runnable() {
                                                @Override
                                                public void run() {
                                                    Intent intent = new Intent(OrderFormActivity.this,
                                                                      OrderListActivity.class);
                                                    startActivity(intent);
                                                }
                                            });
                                        }
                                    } catch (JSONException e) {
                                        e.printStackTrace();
                                    }
                                }
                            }
                        });
                    }
                }).setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        alertDialog.dismiss();
                    }
                });
                alertDialog = builder.create();
                alertDialog.show();
            }
        });
        getCartData();
    }

    private void getCartData(){
        Map<String, String> params = new HashMap<>();
        params.put("uid", Api.UID);
        params.put("token", Api.TOKEN);
        cartPresenter.postData(Api.GET_CARTS, params);
    }

    @Override
    public void onCartPreResponseSuccess(CartBean cartBean) {
        dataBeans.clear();
        dataBeans.addAll(cartBean.getData());
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                setAdapter();
            }
        });
    }

    private void setAdapter() {
        for (int i=0; i<dataBeans.size(); i++) {
            if(childsForGroupIsAllChecked(dataBeans.get(i).getList())){
                dataBeans.get(i).setSelected(1);
            }else{
                dataBeans.get(i).setSelected(0);
            }
        }

        if(childsIsAllChecked()){
            all_check.setChecked(true);
        }else{
            all_check.setChecked(false);
        }
        calculateTotalPriceAndQuantity();

        if(adapter == null){
            adapter = new CartListAdapter(OrderFormActivity.this, dataBeans);
            adapter.setCartAdapterCallBack(this);
            cart_list.setAdapter(adapter);
        }else{
            adapter.notifyDataSetChanged();
        }
        //默认打开所有组
        for (int i=0; i<dataBeans.size(); i++) {
            cart_list.expandGroup(i);
        }
    }

    private boolean childsForGroupIsAllChecked(List<CartBean.DataBean.ListBean> list){
        for (int i=0; i<list.size(); i++) {
            if(list.get(i).getSelected() == 0){
                return false;
            }
        }
        return true;
    }

    private boolean childsIsAllChecked(){
        for (int i=0; i<dataBeans.size(); i++) {
            for (int j=0; j<dataBeans.get(i).getList().size(); j++) {
                if(dataBeans.get(i).getList().get(j).getSelected() == 0){
                    return false;
                }
            }
        }
        return true;
    }

    private void calculateTotalPriceAndQuantity(){
        totalPrice = 0;
        quantity = 0;
        for (int i=0; i<dataBeans.size(); i++) {
            for (int j=0; j<dataBeans.get(i).getList().size(); j++) {
                if(dataBeans.get(i).getList().get(j).getSelected() == 1){
                    totalPrice += dataBeans.get(i).getList().get(j).getBargainPrice() 
                                         * dataBeans.get(i).getList().get(j).getNum();
                    quantity += dataBeans.get(i).getList().get(j).getNum();
                }
            }
        }
        DecimalFormat decimalFormat = new DecimalFormat("#.00");
        String priceString = decimalFormat.format(totalPrice);
        total_price_text.setText(String.valueOf(priceString));
        clearing.setText("去结算(" + quantity + ")");
    }

    @Override
    public void onCartPreResponseError() {

    }

    @Override
    public void onGroupCheckBoxChanged(int group, boolean isChecked) {
        toDelete.clear();
        toDelete.addAll(dataBeans.get(group).getList());
        responseCount = 0;
        flag = isChecked;
        updateChildChecked();
    }

    private void updateChildChecked(){
        CartBean.DataBean.ListBean listBean = toDelete.get(responseCount);
        Map<String, String> params = new HashMap<>();
        params.put("uid", Api.UID);
        params.put("sellerid", String.valueOf(listBean.getSellerid()));
        params.put("pid", String.valueOf(listBean.getPid()));
        params.put("selected", String.valueOf(flag?1:0));
        params.put("num", String.valueOf(listBean.getNum()));
        params.put("token", Api.TOKEN);
        OkHttp3Util.doPost(Api.UPDATE_CARTS, params, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    if(responseCount < toDelete.size()-1){
                        responseCount++;
                        updateChildChecked();
                    }else{
                        getCartData();
                    }
                }
            }
        });
    }

    @Override
    public void onChildCheckBoxChanged(int group, int child, boolean isChecked) {
        CartBean.DataBean.ListBean listBean = dataBeans.get(group).getList().get(child);
        Map<String, String> params = new HashMap<>();
        params.put("uid", Api.UID);
        params.put("sellerid", String.valueOf(listBean.getSellerid()));
        params.put("pid", String.valueOf(listBean.getPid()));
        params.put("selected", String.valueOf(isChecked?1:0));
        params.put("num", String.valueOf(listBean.getNum()));
        params.put("token", Api.TOKEN);
        OkHttp3Util.doPost(Api.UPDATE_CARTS, params, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    getCartData();
                }
            }
        });
    }

    @Override
    public void onNumberChanged(int group, int child, int value) {
        CartBean.DataBean.ListBean listBean = dataBeans.get(group).getList().get(child);
        Map<String, String> params = new HashMap<>();
        params.put("uid", Api.UID);
        params.put("sellerid", String.valueOf(listBean.getSellerid()));
        params.put("pid", String.valueOf(listBean.getPid()));
        params.put("selected", String.valueOf(listBean.getSelected()));
        params.put("num", String.valueOf(value));
        params.put("token", Api.TOKEN);
        OkHttp3Util.doPost(Api.UPDATE_CARTS, params, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    getCartData();
                }
            }
        });
    }
}

OrderListActivity

import android.content.DialogInterface;
import android.graphics.drawable.BitmapDrawable;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.TextView;

import com.bwie.test.adapter.OrderRecyAdapter;
import com.bwie.test.bean.OrderBean;
import com.bwie.test.model.inters.OrderModelCallback;
import com.bwie.test.orderformdemo.inter_01.OrderAdapterCallBack;
import com.bwie.test.presenter.OrderPresenter;
import com.bwie.test.presenter.inter.OrderPreCallBack;
import com.bwie.test.util.Api;
import com.bwie.test.util.OkHttp3Util;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

public class OrderListActivity extends AppCompatActivity implements OrderPreCallBack, 
                                   OrderAdapterCallBack, View.OnClickListener{
    private ImageView status;
    private TextView unpaid;
    private TextView paid;
    private TextView canceled;
    private RecyclerView recy;
    private OrderPresenter orderPresenter;
    private List<OrderBean.DataBean> dataBeans = new ArrayList<>();
    private OrderRecyAdapter adapter;
    private String pageCategory = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_order_list);
        //隐藏原有标题
        getSupportActionBar().hide();
        //调用presenter的方法
        orderPresenter = new OrderPresenter(this);
        //查找控件
        status = (ImageView) findViewById(R.id.status);
        status.setOnClickListener(new View.OnClickListener() {
            private PopupWindow popupWindow;
            @Override
            public void onClick(View view) {
                View view1 = View.inflate(OrderListActivity.this, R.layout.layout_pop, null);
                view1.findViewById(R.id.unpaid).setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        popupWindow.dismiss();
                        pageCategory = "unpaid";
                        getOrderData();
                    }
                });
                view1.findViewById(R.id.paid).setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        popupWindow.dismiss();
                        pageCategory  = "paid";
                        getOrderData();
                    }
                });
                view1.findViewById(R.id.canceled).setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        popupWindow.dismiss();
                        pageCategory = "canceled";
                        getOrderData();
                    }
                });
                popupWindow = new PopupWindow(view1, ViewGroup.LayoutParams.WRAP_CONTENT, 
                                   ViewGroup.LayoutParams.WRAP_CONTENT);
                popupWindow.setBackgroundDrawable(new BitmapDrawable());
                popupWindow.setOutsideTouchable(true);
                popupWindow.setFocusable(true);
                popupWindow.showAsDropDown(status);
            }
        });
        unpaid = (TextView) findViewById(R.id.unpaid);
        unpaid.setOnClickListener(this);
        paid = (TextView) findViewById(R.id.paid);
        paid.setOnClickListener(this);
        canceled = (TextView) findViewById(R.id.canceled);
        canceled.setOnClickListener(this);
        recy = (RecyclerView) findViewById(R.id.recy);
        getOrderData();
    }

    private void getOrderData(){
        Map<String, String> params = new HashMap<>();
        params.put("uid", Api.UID);
        params.put("token", Api.TOKEN);
        orderPresenter.postData(Api.GET_ORDERS, params);
    }

    @Override
    public void onOrderPreResponseSuccess(OrderBean orderBean) {
        dataBeans.clear();
        if(pageCategory == null){
            dataBeans.addAll(orderBean.getData());
        }else if("unpaid".equals(pageCategory)){
            screeningDataByStatus(orderBean.getData(), 0);
        }else if("paid".equals(pageCategory)){
            screeningDataByStatus(orderBean.getData(), 1);
        }else if("canceled".equals(pageCategory)){
            screeningDataByStatus(orderBean.getData(), 2);
        }
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                setAdapter();
            }
        });
    }

    private void screeningDataByStatus(List<OrderBean.DataBean> data, int status){
        for (int i=0; i<data.size(); i++) {
            if(data.get(i).getStatus() == status){
                dataBeans.add(data.get(i));
            }
        }
    }

    private void setAdapter() {
        recy.setLayoutManager(new LinearLayoutManager(OrderListActivity.this, LinearLayoutManager.VERTICAL,
                                                   false));
        if(adapter == null){
            adapter = new OrderRecyAdapter(OrderListActivity.this, dataBeans);
            adapter.setOrderAdapterCallBack(this);
            recy.setAdapter(adapter);
        }else{
            adapter.notifyDataSetChanged();
        }
    }

    @Override
    public void onOrderPreResponseError() {

    }

    @Override
    public void onCancelClick(final int position) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("提示");
        builder.setMessage("确定取消订单吗？");
        builder.setPositiveButton("是", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
                OrderBean.DataBean dataBean = dataBeans.get(position);
                //uid status(0 待支付 1 已支付 2 已取消) orderId token
                Map<String, String> params = new HashMap<>();
                params.put("uid", Api.UID);
                params.put("status", String.valueOf(2));
                params.put("orderId", String.valueOf(dataBean.getOrderid()));
                params.put("token", Api.TOKEN);
                OkHttp3Util.doPost(Api.UPDATE_ORDER, params, new Callback() {
                    @Override
                    public void onFailure(Call call, IOException e) {

                    }

                    @Override
                    public void onResponse(Call call, final Response response) throws IOException {
                        if(response.isSuccessful()){
                            try {
                                JSONObject jsonObject = new JSONObject(response.body().string());
                                if("0".equals(jsonObject.getString("code"))){
                                    getOrderData();
                                }
                            } catch (Exception e) {
                            }
                        }
                    }
                });
            }
        }).setNegativeButton("否", null);
        builder.show();
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.unpaid:
                pageCategory = "unpaid";
                getOrderData();
                break;
            case R.id.paid:
                pageCategory  = "paid";
                getOrderData();
                break;
            case R.id.canceled:
                pageCategory = "canceled";
                getOrderData();
                break;
            default:
                break;
        }
    }
}

inter_01文件夹下CartAdapterCallBack

public interface CartAdapterCallBack {
    void onGroupCheckBoxChanged(int group, boolean isChecked);
    void onChildCheckBoxChanged(int group, int child, boolean isChecked);
    void onNumberChanged(int group, int child, int value);
}

OrderAdapterCallBack

public interface OrderAdapterCallBack {
    void onCancelClick(int position);
}

custom文件夹下NumberAddSubView

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.support.annotation.Nullable;
import android.support.annotation.RequiresApi;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.bwie.test.orderformdemo.R;

public class NumberAddSubView extends LinearLayout implements View.OnClickListener{
    private Button btn_sub;
    private Button btn_add;
    private TextView tv_num;
    private Context mContext;

    /**
     * 设置默认值
     */
    private int value = 1;
    private int minValue = 1;
    private int maxValue = 5;

    public NumberAddSubView(Context context) {
        this(context, null);
    }

    public NumberAddSubView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
    public NumberAddSubView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        this.mContext = context;
        initView(context);
        //得到属性
        if (attrs != null) {
            TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.NumberAddSubView);
            //TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, attrs,
                          // R.styleable.NumberAddSubView, defStyleAttr, 0);
            int value = a.getInt(R.styleable.NumberAddSubView_value, 0);
            setValue(value);

            int maxValue = a.getInt(R.styleable.NumberAddSubView_maxValue, 0);
            setMaxValue(maxValue);

            int minValue = a.getInt(R.styleable.NumberAddSubView_minValue, 0);
            setMinValue(minValue);

            Drawable btnSubBackground = a.getDrawable(R.styleable.NumberAddSubView_btnSubBackground);
            if (btnSubBackground != null)
                btn_sub.setBackground(btnSubBackground);

            Drawable btnAddBackground = a.getDrawable(R.styleable.NumberAddSubView_btnAddBackground);
            if (btnAddBackground != null)
                btn_sub.setBackground(btnAddBackground);

            Drawable textViewBackground = a.getDrawable(R.styleable.NumberAddSubView_textViewBackground);
            if (textViewBackground != null)
                tv_num.setBackground(textViewBackground);

            a.recycle();
        }
    }

    private void initView(Context context) {
        //第三个参数：把当前View加载到NumberAddSubView控件上
        View.inflate(context, R.layout.number_add_sub_view, this);
        btn_sub = (Button) findViewById(R.id.btn_sub);
        btn_add = (Button) findViewById(R.id.btn_add);
        tv_num = (TextView) findViewById(R.id.tv_num);

        btn_sub.setOnClickListener(this);
        btn_add.setOnClickListener(this);
    }

    public int getValue() {
        String val = tv_num.getText().toString();
        if (!TextUtils.isEmpty(val)) {
            value = Integer.parseInt(val);
        }
        return value;
    }

    public void setValue(int value) {
        this.value = value;
        tv_num.setText(value + "");
    }

    public int getMinValue() {
        return minValue;
    }

    public void setMinValue(int minValue) {
        this.minValue = minValue;
    }

    public int getMaxValue() {
        return maxValue;
    }

    public void setMaxValue(int maxValue) {
        this.maxValue = maxValue;
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.btn_sub) {
//            Toast.makeText(mContext,"减",Toast.LENGTH_SHORT).show();

            subNum();
            if (onButtonClickListenter != null) {
                onButtonClickListenter.onButtonSubClick(v, value);
            }
        } else if (v.getId() == R.id.btn_add) {
//            Toast.makeText(mContext,"加",Toast.LENGTH_SHORT).show();
            addNum();
            if (onButtonClickListenter != null) {
                onButtonClickListenter.onButtonAddClick(v, value);
            }
        }
    }

    /**
     * 减少数据
     */
    private void subNum() {
        if (value > minValue) {
            value = value - 1;
            tv_num.setText(value + "");
        }
    }

    /**
     * 添加数据
     */
    private void addNum() {
        if (value < maxValue) {
            value = value + 1;
            tv_num.setText(value + "");
        }
    }

    public interface OnButtonClickListenter {
        /**
         * 当增加按钮被点击的时候回调该方法
         *
         * @param view
         * @param value
         */
        public void onButtonAddClick(View view, int value);

        /**
         * 当减少按钮被点击的时候回调这个方法
         * @param view
         * @param value
         */
        public void onButtonSubClick(View view, int value);
    }

    private OnButtonClickListenter onButtonClickListenter;

    public void setOnButtonClickListenter(OnButtonClickListenter onButtonClickListenter) {
        this.onButtonClickListenter = onButtonClickListenter;
    }
}

RookieApplication

import android.app.Application;
import com.facebook.drawee.backends.pipeline.Fresco;

public class RookieApplication extends Application{
    @Override
    public void onCreate() {
        super.onCreate();
        Fresco.initialize(this);
    }
}

adapter文件夹下CartListAdapter

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.CheckBox;
import android.widget.TextView;

import com.bwie.test.bean.CartBean;
import com.bwie.test.custom.NumberAddSubView;
import com.bwie.test.orderformdemo.R;
import com.bwie.test.orderformdemo.inter_01.CartAdapterCallBack;
import com.facebook.drawee.view.SimpleDraweeView;
import java.util.List;

public class CartListAdapter extends BaseExpandableListAdapter{
    private Context context;
    private List<CartBean.DataBean> dataBeans;
    private CartAdapterCallBack callBack;

    public CartListAdapter(Context context, List<CartBean.DataBean> dataBeans) {
        this.context = context;
        this.dataBeans = dataBeans;
    }

    @Override
    public int getGroupCount() {
        return dataBeans.size();
    }

    @Override
    public int getChildrenCount(int i) {
        return dataBeans.get(i).getList().size();
    }

    @Override
    public Object getGroup(int i) {
        return null;
    }

    @Override
    public Object getChild(int i, int i1) {
        return null;
    }

    @Override
    public long getGroupId(int i) {
        return 0;
    }

    @Override
    public long getChildId(int i, int i1) {
        return 0;
    }

    @Override
    public boolean hasStableIds() {
        return false;
    }

    @Override
    public View getGroupView(final int i, boolean b, View view, ViewGroup viewGroup) {
        final GroupViewHolder groupViewHolder;
        if (view == null){
            view = View.inflate(context, R.layout.cart_group, null);
            groupViewHolder = new GroupViewHolder();
            groupViewHolder.group_check = view.findViewById(R.id.group_check);
            groupViewHolder.group_name = view.findViewById(R.id.group_name);
            view.setTag(groupViewHolder);
        } else {
            groupViewHolder = (GroupViewHolder) view.getTag();
        }
        groupViewHolder.group_check.setChecked(dataBeans.get(i).getSelected() == 1?true:false);
        groupViewHolder.group_check.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                callBack.onGroupCheckBoxChanged(i, groupViewHolder.group_check.isChecked());
            }
        });
        groupViewHolder.group_name.setText(dataBeans.get(i).getSellerName());
        return view;
    }

    @Override
    public View getChildView(final int i,final int i1, boolean b, View view, ViewGroup viewGroup) {
        final ChildViewHolder childViewHolder;
        if(view == null){
            view = View.inflate(context, R.layout.cart_child, null);
            childViewHolder = new ChildViewHolder();
            childViewHolder.child_check = view.findViewById(R.id.child_check);
            childViewHolder.image = view.findViewById(R.id.image);
            childViewHolder.child_title = view.findViewById(R.id.child_title);
            childViewHolder.child_bargain_price = view.findViewById(R.id.bargain_price);
            childViewHolder.numberAddSubView = view.findViewById(R.id.number_view);
            view.setTag(childViewHolder);
        } else {
            childViewHolder = (ChildViewHolder) view.getTag();
        }
        CartBean.DataBean.ListBean listBean = dataBeans.get(i).getList().get(i1);
        childViewHolder.child_check.setChecked(listBean.getSelected() == 1?true:false);
        childViewHolder.child_check.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                callBack.onChildCheckBoxChanged(i, i1, childViewHolder.child_check.isChecked());
            }
        });

        childViewHolder.image.setImageURI(listBean.getImages().split("\\|")[0]);
        childViewHolder.child_title.setText(listBean.getTitle());
        childViewHolder.child_bargain_price.setText(String.valueOf(listBean.getBargainPrice()));
        childViewHolder.numberAddSubView.setValue(listBean.getNum());
        childViewHolder.numberAddSubView.setOnButtonClickListenter(new
                                        NumberAddSubView.OnButtonClickListenter() {
            @Override
            public void onButtonAddClick(View view, int value) {
                callBack.onNumberChanged(i, i1, value);
            }

            @Override
            public void onButtonSubClick(View view, int value) {
                callBack.onNumberChanged(i, i1, value);
            }
        });
        return view;
    }

    @Override
    public boolean isChildSelectable(int i, int i1) {
        return true;
    }

    class GroupViewHolder{
        CheckBox group_check;
        TextView group_name;
    }

    class ChildViewHolder{
        CheckBox child_check;
        SimpleDraweeView image;
        TextView child_title;
        TextView child_bargain_price;
        NumberAddSubView numberAddSubView;
    }

    public void setCartAdapterCallBack(CartAdapterCallBack callBack) {
        this.callBack = callBack;
    }
}

OrderRecyAdapter

import android.content.Context;
import android.graphics.Color;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.bwie.test.bean.OrderBean;
import com.bwie.test.orderformdemo.R;
import com.bwie.test.orderformdemo.inter_01.OrderAdapterCallBack;
import java.util.List;

public class OrderRecyAdapter extends RecyclerView.Adapter<OrderRecyAdapter.OrderRecyViewHolder>{
    private Context context;
    private List<OrderBean.DataBean> dataBeans;
    private OrderAdapterCallBack callBack;

    public OrderRecyAdapter(Context context, List<OrderBean.DataBean> dataBeans) {
        this.context = context;
        this.dataBeans = dataBeans;
    }

    @Override
    public OrderRecyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(context).inflate(R.layout.order_recy_item, parent, false);
        OrderRecyViewHolder orderRecyViewHolder = new OrderRecyViewHolder(view);
        return orderRecyViewHolder;
    }

    @Override
    public void onBindViewHolder(OrderRecyViewHolder holder,final int position) {
        holder.order_title.setText(dataBeans.get(position).getTitle());
        if(dataBeans.get(position).getStatus() == 0){
            holder.order_status.setText("待支付");
            holder.order_status.setTextColor(Color.RED);
        }else if(dataBeans.get(position).getStatus() == 1){
            holder.order_status.setText("已支付");
            holder.order_status.setTextColor(Color.BLACK);
        }else if(dataBeans.get(position).getStatus() == 2){
            holder.order_status.setText("已取消");
            holder.order_status.setTextColor(Color.BLACK);
        }

        holder.order_price.setText(String.valueOf(dataBeans.get(position).getPrice()));
        holder.order_create_time.setText(dataBeans.get(position).getCreatetime());
        if(dataBeans.get(position).getStatus() == 0){
            holder.order_btn.setText("取消订单");
            holder.order_btn.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    callBack.onCancelClick(position);
                }
            });
        }else if(dataBeans.get(position).getStatus() == 1 || dataBeans.get(position).getStatus() == 2){
            holder.order_btn.setText("查看订单");
            holder.order_btn.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    Toast.makeText(context, "查看订单", Toast.LENGTH_SHORT).show();
                }
            });
        }
    }

    @Override
    public int getItemCount() {
        return dataBeans.size();
    }

    public void setOrderAdapterCallBack(OrderAdapterCallBack callBack){
        this.callBack = callBack;
    }

    class OrderRecyViewHolder extends RecyclerView.ViewHolder{
        public TextView order_title;
        public TextView order_status;
        public TextView order_price;
        public TextView order_create_time;
        public TextView order_btn;

        public OrderRecyViewHolder(View itemView) {
            super(itemView);
            order_title = itemView.findViewById(R.id.order_title);
            order_status = itemView.findViewById(R.id.order_status);
            order_price = itemView.findViewById(R.id.order_price);
            order_create_time = itemView.findViewById(R.id.order_create_time);
            order_btn = itemView.findViewById(R.id.order_btn);
        }
    }
}

model文件夹下CartModel

import com.bwie.test.bean.CartBean;
import com.bwie.test.model.inters.CartModelCallback;
import com.bwie.test.util.OkHttp3Util;
import com.google.gson.Gson;

import java.io.IOException;
import java.util.Map;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

public class CartModel {
    private CartModelCallback callback;

    public CartModel(CartModelCallback callback) {
        this.callback = callback;
    }

    public void getData(String url){
        OkHttp3Util.doGet(url, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    Gson gson = new Gson();
                    CartBean cartBean = gson.fromJson(response.body().string(), CartBean.class);
                    callback.onCartModelResponseSuccess(cartBean);
                }
            }
        });
    }

    public void postData(String url, Map<String,String> params){
        OkHttp3Util.doPost(url, params, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                callback.onCartModelResponseError();
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    Gson gson = new Gson();
                    CartBean cartBean = gson.fromJson(response.body().string(), CartBean.class);
                    callback.onCartModelResponseSuccess(cartBean);
                }
            }
        });
    }
}

OrderModel

import com.bwie.test.bean.OrderBean;
import com.bwie.test.model.inters.OrderModelCallback;
import com.bwie.test.util.OkHttp3Util;
import com.google.gson.Gson;

import java.io.IOException;
import java.util.Map;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

public class OrderModel {
    private OrderModelCallback ordercallback;

    public OrderModel(OrderModelCallback ordercallback) {
        this.ordercallback = ordercallback;
    }

    public void getData(String url){
        OkHttp3Util.doGet(url, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                ordercallback.onOrderModelResponseError();
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    Gson gson = new Gson();
                    OrderBean orderBean = gson.fromJson(response.body().string(), OrderBean.class);
                    ordercallback.onOrderModelResponseSuccess(orderBean);
                }
            }
        });
    }

    public void postData(String url, Map<String, String> params){
        OkHttp3Util.doPost(url, params, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                ordercallback.onOrderModelResponseError();
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    Gson gson = new Gson();
                    OrderBean orderBean = gson.fromJson(response.body().string(), OrderBean.class);
                    ordercallback.onOrderModelResponseSuccess(orderBean);
                }
            }
        });
    }
}

inters文件夹下CartModelCallback

import com.bwie.test.bean.CartBean;

public interface CartModelCallback {
    void onCartModelResponseSuccess(CartBean cartBean);
    void onCartModelResponseError();
}

OrderModelCallback

import com.bwie.test.bean.OrderBean;

public interface OrderModelCallback {
    void onOrderModelResponseSuccess(OrderBean orderBean);
    void onOrderModelResponseError();
}

presenter文件夹下CartPresenter

import com.bwie.test.bean.CartBean;
import com.bwie.test.model.CartModel;
import com.bwie.test.model.inters.CartModelCallback;
import com.bwie.test.presenter.inter.CartPreCallBack;
import java.util.Map;

public class CartPresenter implements CartModelCallback{
    private CartModel cartModel;
    private CartPreCallBack cartPreCallBack;

    public CartPresenter(CartPreCallBack cartPreCallBack) {
        this.cartModel = new CartModel(this);
        this.cartPreCallBack = cartPreCallBack;
    }

    public void getData(String url){
        cartModel.getData(url);
    }

    public void postData(String url, Map<String, String> params){
        cartModel.postData(url, params);
    }

    @Override
    public void onCartModelResponseSuccess(CartBean cartBean) {
        cartPreCallBack.onCartPreResponseSuccess(cartBean);
    }

    @Override
    public void onCartModelResponseError() {
        cartPreCallBack.onCartPreResponseError();
    }
}

OrderPresenter

import com.bwie.test.bean.OrderBean;
import com.bwie.test.model.OrderModel;
import com.bwie.test.model.inters.OrderModelCallback;
import com.bwie.test.orderformdemo.OrderListActivity;
import com.bwie.test.presenter.inter.OrderPreCallBack;
import java.util.Map;

public class OrderPresenter implements OrderModelCallback{
    private OrderModel orderModel;
    private OrderPreCallBack callBack;

    public OrderPresenter(OrderPreCallBack  callBack) {
        this.orderModel = new OrderModel(this);
        this.callBack = callBack;
    }

    public void getData(String url){
        orderModel.getData(url);
    }

    public void postData(String url, Map<String, String> params){
        orderModel.postData(url, params);
    }

    @Override
    public void onOrderModelResponseSuccess(OrderBean orderBean) {
        callBack.onOrderPreResponseSuccess(orderBean);
    }

    @Override
    public void onOrderModelResponseError() {
        callBack.onOrderPreResponseError();
    }
}

inter文件夹下CartPreCallBack

import com.bwie.test.bean.CartBean;

public interface CartPreCallBack {
    void onCartPreResponseSuccess(CartBean cartBean);
    void onCartPreResponseError();
}

OrderPreCallBack

import com.bwie.test.bean.OrderBean;

public interface OrderPreCallBack {
    void onOrderPreResponseSuccess(OrderBean orderBean);
    void onOrderPreResponseError();
}

util文件夹下Api

public class Api {
    public static String UID = "2752";
    public static String TOKEN = "281AAB332365B682754BA7D0D37371D3";
    //添加购物车 uid pid token
    public static String ADD_CART = "https://www.zhaoapi.cn/product/addCart";
    //查询购物车 uid token
    public static String GET_CARTS = "https://www.zhaoapi.cn/product/getCarts";
    //更新购物车 uid sellerid pid selected num token
    public static String UPDATE_CARTS = "https://www.zhaoapi.cn/product/updateCarts";
    //删除购物车 uid pid token
    public static String DELETE_CART = "https://www.zhaoapi.cn/product/deleteCart";
    //创建订单 uid price token
    public static String CREATE_ORDER = "https://www.zhaoapi.cn/product/createOrder";
    //修改订单状态 uid status(0 待支付 1 已支付 2 已取消) orderId token
    public static String UPDATE_ORDER = "https://www.zhaoapi.cn/product/updateOrder";
    //订单列表 uid token （page 非必填）
    public static String GET_ORDERS = "https://www.zhaoapi.cn/product/getOrders";
}

OkHttp3Util

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Environment;
import android.util.Log;
import android.widget.Toast;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import okhttp3.Cache;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.Interceptor;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public class OkHttp3Util {
    public static OkHttpClient okHttpClient = null;

    public OkHttp3Util() {
    }

    public static OkHttpClient getInstance(){
        if(okHttpClient == null){
            synchronized (OkHttpClient.class) {
                if(okHttpClient == null){
                    File cacheDir = new File(Environment.getExternalStorageDirectory(), "cache");
                    int cacheSize = 10 * 1024 * 1024;
                    okHttpClient = new OkHttpClient.Builder()
                            .connectTimeout(15, TimeUnit.SECONDS)
                            .readTimeout(15, TimeUnit.SECONDS)
                            .writeTimeout(15, TimeUnit.SECONDS)
                            .addInterceptor(new CommonParamsInterceptor())
                            .cache(new Cache(cacheDir, cacheSize))
                            .build();
                }
            }
        }
        return okHttpClient;
    }

    public static void doGet(String url, Callback callback){
        okHttpClient = getInstance();
        Request request = new Request.Builder().url(url).build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(callback);
    }

    public static void doPost(String url, Map<String, String> params, Callback callback){
        okHttpClient = getInstance();
        FormBody.Builder builder = new FormBody.Builder();
        for (Map.Entry<String, String> entry : params.entrySet()) {
            builder.add(entry.getKey(), entry.getValue());
        }
        Request request = new Request.Builder().url(url).post(builder.build()).build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(callback);
    }

    /**
     * 公共参数拦截器
     */
    private static class CommonParamsInterceptor implements Interceptor {
        //拦截的方法
        @Override
        public Response intercept(Chain chain) throws IOException {
            //获取到请求
            Request request = chain.request();
            //获取请求的方式
            String method = request.method();
            //获取请求的路径
            String oldUrl = request.url().toString();

            Log.e("---拦截器",request.url()+"---"+request.method()+"--"+request.header("User-agent"));

            //要添加的公共参数...map
            Map<String,String> map = new HashMap<>();
            map.put("source","android");

            if ("GET".equals(method)){
                StringBuilder stringBuilder = new StringBuilder();//创建一个stringBuilder
                stringBuilder.append(oldUrl);

                if (oldUrl.contains("?")){
                    //?在最后面....2类型
                    if (oldUrl.indexOf("?") == oldUrl.length()-1){
                    }else {
                        //3类型...拼接上&
                        stringBuilder.append("&");
                    }
                } else {
                    stringBuilder.append("?");
                }
                //添加公共参数....
                for (Map.Entry<String,String> entry: map.entrySet()) {
                    //拼接
                    stringBuilder.append(entry.getKey())
                            .append("=")
                            .append(entry.getValue())
                            .append("&");
                }
                //删掉最后一个&符号
                if (stringBuilder.indexOf("&") != -1){
                    stringBuilder.deleteCharAt(stringBuilder.lastIndexOf("&"));
                }
                String newUrl = stringBuilder.toString();//新的路径
                //拿着新的路径重新构建请求
                request = request.newBuilder()
                        .url(newUrl)
                        .build();
            }else if ("POST".equals(method)){
                //先获取到老的请求的实体内容
                RequestBody oldRequestBody = request.body();
                //如果请求调用的是上面doPost方法
                if (oldRequestBody instanceof FormBody){
                    FormBody oldBody = (FormBody) oldRequestBody;
                    //构建一个新的请求实体内容
                    FormBody.Builder builder = new FormBody.Builder();
                    //1.添加老的参数
                    for (int i=0;i<oldBody.size();i++){
                        builder.add(oldBody.name(i),oldBody.value(i));
                    }
                    //2.添加公共参数
                    for (Map.Entry<String,String> entry:map.entrySet()) {
                        builder.add(entry.getKey(),entry.getValue());
                    }
                    FormBody newBody = builder.build();//新的请求实体内容
                    //构建一个新的请求
                    request = request.newBuilder()
                            .url(oldUrl)
                            .post(newBody)
                            .build();
                }
            }
            Response response = chain.proceed(request);

            return response;
        }
    }
}

bean文件夹下CartBean

import java.util.List;

public class CartBean {
    private String msg;
    private String code;
    private List<DataBean> data;

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public List<DataBean> getData() {
        return data;
    }

    public void setData(List<DataBean> data) {
        this.data = data;
    }

    public static class DataBean {
        private String sellerName;
        private String sellerid;
        private List<ListBean> list;
        private int selected;

        public int getSelected() {
            return selected;
        }

        public void setSelected(int selected) {
            this.selected = selected;
        }

        public String getSellerName() {
            return sellerName;
        }

        public void setSellerName(String sellerName) {
            this.sellerName = sellerName;
        }

        public String getSellerid() {
            return sellerid;
        }

        public void setSellerid(String sellerid) {
            this.sellerid = sellerid;
        }

        public List<ListBean> getList() {
            return list;
        }

        public void setList(List<ListBean> list) {
            this.list = list;
        }

        public static class ListBean {
            private double bargainPrice;
            private String createtime;
            private String detailUrl;
            private String images;
            private int num;
            private int pid;
            private double price;
            private int pscid;
            private int selected;
            private int sellerid;
            private String subhead;
            private String title;

            public double getBargainPrice() {
                return bargainPrice;
            }

            public void setBargainPrice(double bargainPrice) {
                this.bargainPrice = bargainPrice;
            }

            public String getCreatetime() {
                return createtime;
            }

            public void setCreatetime(String createtime) {
                this.createtime = createtime;
            }

            public String getDetailUrl() {
                return detailUrl;
            }

            public void setDetailUrl(String detailUrl) {
                this.detailUrl = detailUrl;
            }

            public String getImages() {
                return images;
            }

            public void setImages(String images) {
                this.images = images;
            }

            public int getNum() {
                return num;
            }

            public void setNum(int num) {
                this.num = num;
            }

            public int getPid() {
                return pid;
            }

            public void setPid(int pid) {
                this.pid = pid;
            }

            public double getPrice() {
                return price;
            }

            public void setPrice(double price) {
                this.price = price;
            }

            public int getPscid() {
                return pscid;
            }

            public void setPscid(int pscid) {
                this.pscid = pscid;
            }

            public int getSelected() {
                return selected;
            }

            public void setSelected(int selected) {
                this.selected = selected;
            }

            public int getSellerid() {
                return sellerid;
            }

            public void setSellerid(int sellerid) {
                this.sellerid = sellerid;
            }

            public String getSubhead() {
                return subhead;
            }

            public void setSubhead(String subhead) {
                this.subhead = subhead;
            }

            public String getTitle() {
                return title;
            }

            public void setTitle(String title) {
                this.title = title;
            }
        }
    }
}

OrderBean

import java.util.List;

public class OrderBean {
    private String msg;
    private String code;
    private String page;
    private List<DataBean> data;

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getPage() {
        return page;
    }

    public void setPage(String page) {
        this.page = page;
    }

    public List<DataBean> getData() {
        return data;
    }

    public void setData(List<DataBean> data) {
        this.data = data;
    }

    public static class DataBean {
        private String createtime;
        private int orderid;
        private double price;
        private int status;
        private String title;
        private int uid;

        public String getCreatetime() {
            return createtime;
        }

        public void setCreatetime(String createtime) {
            this.createtime = createtime;
        }

        public int getOrderid() {
            return orderid;
        }

        public void setOrderid(int orderid) {
            this.orderid = orderid;
        }

        public double getPrice() {
            return price;
        }

        public void setPrice(double price) {
            this.price = price;
        }

        public int getStatus() {
            return status;
        }

        public void setStatus(int status) {
            this.status = status;
        }

        public String getTitle() {
            return title;
        }

        public void setTitle(String title) {
            this.title = title;
        }

        public int getUid() {
            return uid;
        }

        public void setUid(int uid) {
            this.uid = uid;
        }
    }
}