{}Http client get post 方法

package com.example.a03_httpclient_post;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.util.Log;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.util.EntityUtils;

import java.io.UnsupportedEncodingException;

import java.util.ArrayList;

import java.util.List;

public class MainActivity extends AppCompatActivity {

private String path ="http://v.juhe.cn/toutiao/index";

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

new Thread(){

@Override

public void run() {

super.run();

//1.得到HttpClient

HttpClient httpClient = new DefaultHttpClient();

//2.设置请求方式

HttpPost post = new HttpPost(path);

//3添加参数

List<BasicNameValuePair> list= new ArrayList<BasicNameValuePair>();

list.add(new BasicNameValuePair("key","444da40ec8ee43818073d7131c2ffa8f"));

//得到响应数据

try {

HttpEntity entity = new UrlEncodedFormEntity(list,"utf-8");

//5.设置参数给地址

post.setEntity(entity);

//6.执行

HttpResponse response = httpClient.execute(post);

//7.获取响应码

int statusCode = response.getStatusLine().getStatusCode();

if (statusCode == 200){

//9.得到值

HttpEntity entity1 = response.getEntity();

String string = EntityUtils.toString(entity1, "utf-8");

Log.i("TAG","string");

}

} catch (Exception e) {

e.printStackTrace();

}

}.start();

}

package com.example.asynctask_httpclient_;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.os.Handler;

import android.os.Message;

import android.widget.ImageView;

import java.io.InputStream;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLConnection;

public class ImageUtils {

private Handler handler =new Handler(){

@Override

public void handleMessage(Message msg) {

imageView1.setImageBitmap((Bitmap) msg.obj);

}

};

private ImageView imageView1;

public void setImageView(final String url, ImageView imageView) {

this.imageView1=imageView;

new Thread(){

@Override

public void run() {

super.run();

try {

URL url1 = new URL(url);

HttpURLConnection urlConnection = (HttpURLConnection) url1.openConnection();

urlConnection.setRequestMethod("GET");

// urlConnection.setConnectTimeout(10000);

// urlConnection.setReadTimeout(10000);

if (urlConnection.getResponseCode()==200){

InputStream inputStream = urlConnection.getInputStream();

Bitmap bitmap = BitmapFactory.decodeStream(inputStream);

Message message = new Message();

message.what=0;

message.obj=bitmap;

handler.sendMessage(message);

}else {

}

} catch (Exception e) {

e.printStackTrace();

}

}.start();

}

异步

package com.example.diyizhoulianxi.fragment;

import android.os.AsyncTask;

import android.os.Bundle;

import android.support.annotation. NonNull;

import android.support.annotation. Nullable;

import android.support.v4.app.Fragment;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ListView;

import com.example.diyizhoulianxi.R;

import com.example.diyizhoulianxi.adapter.FragmentListView_two;

import com.example.diyizhoulianxi.beans.YeMianBeans;

import com.google.gson.Gson;

import com.google.gson.reflect.TypeToken;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.util.EntityUtils;

import java.io.IOException;

import java.lang.reflect.Type;

import java.util.ArrayList;

import java.util.List;

public class FragmentTwo extends Fragment {

private String path = "http://120.27.23.105/product/getProductCatagory?cid=1";

private ListView lv;

@Nullable

@Override

public View onCreateView( @NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

View view = inflater.inflate(R.layout. fragmentwo,container, false);

lv = view.findViewById(R.id. two_lv);

MyAsynctask myAsynctask = new MyAsynctask();

myAsynctask.execute( path);

return view;

}

class MyAsynctask extends AsyncTask<String,Void,String>{

@Override

protected void onPreExecute() {

super.onPreExecute();

}

@Override

protected String doInBackground(String... params) {

String string = "";

//请求数据得到HttpClient

HttpClient httpClient = new DefaultHttpClient();

//得到请求方式

HttpGet httpGet = new HttpGet(params[ 0]);

//执行请求方式

try {

HttpResponse response = httpClient.execute(httpGet);

//得到响应吗 getStatusLine()得到所有响应头的信息 getStatusCode()得到响应码

int statusCode = response.getStatusLine().getStatusCode();

if (statusCode== 200){

//得到响应头的数据

HttpEntity entity = response.getEntity();

//定义数据的类型

string = EntityUtils. toString(entity, "utf-8");

Log. i( "TAG",string);

}

} catch (Exception e) {

e.printStackTrace();

}

return string;

}

@Override

protected void onPostExecute(String s) {

super.onPostExecute(s);

Log. i( "TAG",s);

Gson gson = new Gson();

YeMianBeans yeMianBeans = gson.fromJson(s, YeMianBeans. class);

List<YeMianBeans.DataBean> data = yeMianBeans.getData();

List<YeMianBeans.DataBean.ListBean> list1 = new ArrayList<>();

for ( int i = 0; i < data.size(); i++) {

List<YeMianBeans.DataBean.ListBean> list = data.get(i).getList();

//相同类型用listall

list1.addAll(list);

}

FragmentListView_two fragmentListView_two = new FragmentListView_two(list1,getActivity());

lv.setAdapter(fragmentListView_two);

}

@Override

protected void onProgressUpdate(Void... values) {

super.onProgressUpdate(values);

}

{}Http client get post 方法

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