1 package com.example.administrator.okhttp3;  2   3 import android.os.Handler;  4 import android.os.Looper;  5   6 import java.io.IOException;  7 import java.util.HashMap;  8 import java.util.Map;  9  10 import okhttp3.Call; 11 import okhttp3.Callback; 12 import okhttp3.FormBody; 13 import okhttp3.OkHttpClient; 14 import okhttp3.Request; 15 import okhttp3.RequestBody; 16 import okhttp3.Response; 17  18 /** 19  * 当前类： OKhttp 工具封装类 20  * <p/> 21  * Created by ${火龙裸先生} on 2016/9/30. 22  * 邮箱：791335000@qq.com 23  */ 24 public class OkhttpManager2 { 25  26     private OkHttpClient client; 27     private static OkhttpManager2 okhttpManager2; 28     private Handler mHandler; 29  30     /** 31      * 单例模式 OKhttpManager2实例 32      */ 33     private static OkhttpManager2 getInstance() { 34         if (okhttpManager2 == null) { 35             okhttpManager2 = new OkhttpManager2(); 36         } 37         return okhttpManager2; 38     } 39  40     private OkhttpManager2() { 41         client = new OkHttpClient(); 42         mHandler = new Handler(Looper.getMainLooper()); 43     } 44  45  46     //******************  内部逻辑处理方法  ******************/ 47     private Response p_getSync(String url) throws IOException { 48         Request request = new Request.Builder().url(url).build(); 49         Response response = client.newCall(request).execute(); 50         return response; 51     } 52  53     private String p_getSyncAsString(String url) throws IOException { 54         return p_getSync(url).body().string(); 55     } 56  57     private void p_getAsync(String url, final DataCallBack callBack) { 58         final Request request = new Request.Builder().url(url).build(); 59         client.newCall(request).enqueue(new Callback() { 60             @Override 61             public void onFailure(Call call, IOException e) { 62                 deliverDataFailure(request, e, callBack); 63             } 64  65             @Override 66             public void onResponse(Call call, Response response) { 67                 try { 68                     String result = response.body().string(); 69                     deliverDataSuccess(result, callBack); 70                 } catch (IOException e) { 71                     e.printStackTrace(); 72                     deliverDataFailure(request, e, callBack); 73                 } 74             } 75         }); 76     } 77  78     private void p_postAsync(String url, Map<String, String> params, final DataCallBack callBack) { 79         RequestBody requestBody = null; 80         if (params == null) { 81             params = new HashMap<String, String>(); 82         } 83         FormBody.Builder builder = new FormBody.Builder(); 84         for (Map.Entry<String, String> entry : params.entrySet()) { 85             String key = entry.getKey().toString(); 86             String value = http://www.mamicode.com/null; 87             if (entry.getValue() == null) { 88                 valuehttp://www.mamicode.com/= ""; 89             } else { 90                 value =http://www.mamicode.com/ entry.getValue().toString(); 91             } 92             builder.add(key, value); 93         } 94         requestBody = builder.build(); 95         final Request request = new Request.Builder().url(url).post(requestBody).build(); 96         client.newCall(request).enqueue(new Callback() { 97             @Override 98             public void onFailure(Call call, IOException e) { 99                 deliverDataFailure(request, e, callBack);100             }101 102             @Override103             public void onResponse(Call call, Response response) throws IOException {104                 try {105                     String result = response.body().string();106                     deliverDataSuccess(result, callBack);107                 } catch (IOException e) {108                     e.printStackTrace();109                     deliverDataFailure(request, e, callBack);110                 }111             }112         });113     }114 115 116     //******************  数据分发的方法  ******************/117     private void deliverDataFailure(final Request request, final IOException e, final DataCallBack callBack) {118         mHandler.post(new Runnable() {//发送到主线程119             @Override120             public void run() {121                 if (callBack != null) {122                     callBack.requestFailure(request, e);123                 }124             }125         });126     }127 128     private void deliverDataSuccess(final String result, final DataCallBack callBack) {129         mHandler.post(new Runnable() {//同样 发送到主线程130             @Override131             public void run() {132                 if (callBack != null) {133                     callBack.requestSuccess(result);134                 }135             }136         });137     }138 139 140     //******************  对外公布的方法  ******************/141     public static Response getSync(String url) throws IOException {142         return getInstance().p_getSync(url);//同步GET，返回Response类型数据143     }144 145     public static String getSyncAsString(String url) throws IOException {146         return getInstance().p_getSyncAsString(url);//同步GET，返回String类型数据（和上面getSync方法只是返回的数据类型不同而已）147     }148 149     public static void getAsync(String url, DataCallBack callBack) {150         getInstance().p_getAsync(url, callBack);//异步GET 调用方法151     }152 153     public static void postAsync(String url, Map<String, String> params, DataCallBack callBack) {154         getInstance().p_postAsync(url, params, callBack);//POST提交表单 调用方法155     }156 157 158     //******************  数据回调接口  ******************/159     public interface DataCallBack {160         void requestFailure(Request request, IOException e);161 162         void requestSuccess(String result);163     }164 }

 1 package com.example.administrator.okhttp3; 2  3 import android.os.Bundle; 4 import android.support.v7.app.AppCompatActivity; 5 import android.view.View; 6 import android.widget.Button; 7 import android.widget.TextView; 8  9 import java.io.IOException;10 import java.util.HashMap;11 import java.util.Map;12 13 import okhttp3.Request;14 15 public class MainActivity extends AppCompatActivity implements View.OnClickListener {16 17     private Button button1, button2, button3, button4;18     private TextView textView;19 20     @Override21     protected void onCreate(Bundle savedInstanceState) {22         super.onCreate(savedInstanceState);23         setContentView(R.layout.activity_main);24         button1 = (Button) findViewById(R.id.btn_one);25         button2 = (Button) findViewById(R.id.btn_two);26         button3 = (Button) findViewById(R.id.btn_three);27         button4 = (Button) findViewById(R.id.btn_four);28         button1.setOnClickListener(this);29         button2.setOnClickListener(this);30         button3.setOnClickListener(this);31         button4.setOnClickListener(this);32         textView = (TextView) findViewById(R.id.tv);33     }34 35     @Override36     public void onClick(View view) {37         switch (view.getId()) {38             case R.id.btn_one://同步GET39                 new Thread(new Runnable() {40                     @Override41                     public void run() {42                         try {43 //                            调用getSync方法（以下两行），和调用getSyncAsString方法相同，只是返回数据类型不一样44 //                            Response response = OkhttpManager2.getSync("http://cache.video.iqiyi.com/jp/avlist/202861101/1/?callback=jsonp9");45 //                            final String message = response.body().string();46 //                            调用getSyncAsString方法（以下一行）47                             final String message = OkhttpManager2.getSyncAsString("http://cache.video.iqiyi.com/jp/avlist/202861101/1/?callback=jsonp9");48                             runOnUiThread(new Runnable() {49                                 @Override50                                 public void run() {51                                     textView.setText(message);52                                 }53                             });54                         } catch (IOException e) {55                             e.printStackTrace();56                         }57                     }58                 }).start();59                 break;60             case R.id.btn_two://异步GET61                 OkhttpManager2.getAsync("http://web.juhe.cn:8080/finance/exchange/rmbquot", new OkhttpManager2.DataCallBack() {62                     @Override63                     public void requestFailure(Request request, IOException e) {64                         //数据加载成功会执行此方法，此时可以直接更新UI65                         textView.setText(e.toString());66                     }67 68                     @Override69                     public void requestSuccess(String result) {70                         //数据加载成功会执行此方法，此时可以直接更新UI71                         textView.setText(result);72                     }73                 });74                 break;75             case R.id.btn_three://POST提交表单76                 Map<String, String> params = new HashMap<String, String>();77                 params.put("cellphone", "123456");//用户名78                 params.put("password", "123456");//密码79                 OkhttpManager2.postAsync("http://58.250.31.19:28080/afeducation/appfront/main/loginUser_app.do", params, new OkhttpManager2.DataCallBack() {80                     @Override81                     public void requestFailure(Request request, IOException e) {82                         //数据加载成功会执行此方法，此时可以直接更新UI83                         textView.setText(e.toString());84                     }85 86                     @Override87                     public void requestSuccess(String result) {88                         //数据加载成功会执行此方法，此时可以直接更新UI89                         textView.setText(result);90                     }91                 });92                 break;93             case R.id.btn_four://文件下载94 95                 break;96         }97     }98 }

 1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3     xmlns:tools="http://schemas.android.com/tools" 4     android:layout_width="match_parent" 5     android:layout_height="match_parent" 6     android:orientation="vertical" 7     android:paddingBottom="@dimen/activity_vertical_margin" 8     android:paddingLeft="@dimen/activity_horizontal_margin" 9     android:paddingRight="@dimen/activity_horizontal_margin"10     android:paddingTop="@dimen/activity_vertical_margin"11     tools:context="com.example.administrator.okhttp3.MainActivity">12 13     <Button14         android:id="@+id/btn_one"15         android:layout_width="wrap_content"16         android:layout_height="wrap_content"17         android:text="同步get" />18 19     <Button20         android:id="@+id/btn_two"21         android:layout_width="wrap_content"22         android:layout_height="wrap_content"23         android:text="异步get" />24 25     <Button26         android:id="@+id/btn_three"27         android:layout_width="wrap_content"28         android:layout_height="wrap_content"29         android:text="Post提交表单" />30 31     <Button32         android:id="@+id/btn_four"33         android:layout_width="wrap_content"34         android:layout_height="wrap_content"35         android:text="文件下载" />36 37     <TextView38         android:id="@+id/tv"39         android:layout_width="wrap_content"40         android:layout_height="wrap_content"41         android:text="text" />42 </LinearLayout>