记住先导入依赖包
compile 'com.squareup.okhttp3:okhttp:3.3.0'
注释 请看完最后
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import android.os.Handler;
import android.os.Message;import android.util.Log;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
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;
/**
* HttpUtils工具类
* 封装ok post 拦截器添加公共参数
*/
public class HttpUtils {
private static final String TAG = "HttpUtils-----";
private static HttpUtils httpUtils;
private final int SUCCESS = 0;
private final int ERROR = 1;
private MyHandler myHandler = new MyHandler();
private OkLoadListener okLoadListener;
public static HttpUtils getHttpUtils() {
if (httpUtils == null) {
httpUtils = new HttpUtils();
}
return httpUtils;
}
//Handler处理线程
class MyHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case SUCCESS:
//成功
String json = (String) msg.obj;
okLoadListener.okLoadSuccess(json);
break;
case ERROR:
//失败
String error = (String) msg.obj;
okLoadListener.okLoadError(error);
break;
}
}
}
//get
public void okGet(String url) {
OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(new MyIntercepter()).build();
Request request = new Request.Builder().url(url).build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Message message = myHandler.obtainMessage();
message.what = ERROR;
message.obj = e.getMessage();
myHandler.sendMessage(message);
}
@Override
public void onResponse(Call call, Response response) throws IOException {
Message message = myHandler.obtainMessage();
message.what = SUCCESS;
message.obj = response.body().string();
myHandler.sendMessage(message);
}
});
}
public void setOkLoadListener(OkLoadListener okLoadListener) {
this.okLoadListener = okLoadListener;
}
//post
public void okPost(String url, Map<String, String> params) {
OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(new MyIntercepter()).build();
FormBody.Builder builder = new FormBody.Builder();
Set<String> keySet = params.keySet();
for (String key :
keySet) {
String value = params.get(key);
builder.add(key, value);
}
FormBody formBody = builder.build();
Request request = new Request.Builder().url(url).post(formBody).build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Message message = myHandler.obtainMessage();
message.what = ERROR;
message.obj = e.getMessage();
myHandler.sendMessage(message);
}
@Override
public void onResponse(Call call, Response response) throws IOException {
Message message = myHandler.obtainMessage();
message.what = SUCCESS;
message.obj = response.body().string();
myHandler.sendMessage(message);
}
});
}
//拦截器
class MyIntercepter implements Interceptor {
//intercept 拦截
@Override
public Response intercept(Chain chain) throws IOException {
//添加公共参数
//post 取出原来所有的参数，将之加到新的请求体里面。然后让请求去执行
Request request = chain.request();
//获取请求方法
String method = request.method();
if (method.equals("GET")) {//---------------------------GET 拦截
//取出url地址
String url = request.url().toString();
//拼接公共参数
boolean contains = url.contains("?");
if (contains) {
url = url + "&source=android";
} else {
url = url + "?source=android";
}
Request request1 = request.newBuilder().url(url).build();
Response response = chain.proceed(request1);
return response;
} else if (method.equals("POST")) {//---------------------POST 拦截
RequestBody body = request.body();//请求体
if (body instanceof FormBody) {
//创建新的请求体
FormBody.Builder newBuilder = new FormBody.Builder();
for (int i = 0; i < ((FormBody) body).size(); i++) {
String key = ((FormBody) body).name(i);
String value = ((FormBody) body).value(i);
newBuilder.add(key, value);
}
//添加公共参数
newBuilder.add("source", "android");
FormBody newBody = newBuilder.build();
//创建新的请求体
Request request1 = request.newBuilder().post(newBody).build();
//去请求
Response response = chain.proceed(request1);
return response;
}
}
return null;
}
}
//上传文件（图片）
public void upLoadImage(String url, String path) {//url 要上传的地址。path 要上传的文件路径
//媒体类型
MediaType mediaType = MediaType.parse("image/*");
//multipartbody
MultipartBody.Builder builder = new MultipartBody.Builder().setType(MultipartBody.FORM);
File file = new File(path);
MultipartBody multipartBody = builder.addFormDataPart("file", file.getName(), RequestBody.create(mediaType, file)).build();
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder().url(url).post(multipartBody).build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Log.d(TAG, "上传失败0----: ");
}
@Override
public void onResponse(Call call, Response response) throws IOException {
Log.d(TAG, "上传成功: ");
}
});
}
}
有一个OkHttp 监听
名字
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OkLoadListener
内容
/**
* OkHttp网络请求的监听
*/
public interface OkLoadListener {
// 请求数据成功
void okLoadSuccess(String json);
//请求数据失败
void okLoadError(String error);
}
这样就完成了
小小菜鸟 教你怎么懒人用OkHttp封装