OKhttp的封装（上） 

自从介绍了OKhttp3的一些基本使用之后，又偷了下懒，所以它的续篇被搁置了一段时间，现在补充。


OKhttpManager.Class  请求工具类
  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  * Created by ${火龙裸先生} on 2016/9/28.
 20  * 邮箱：791335000@qq.com
 21  * <p/>
 22  * OKhttpManager OKhttp封装类
 23  */
 24 public class OKhttpManager {
 25     private OkHttpClient client;
 26     private static OKhttpManager oKhttpManager;
 27     private Handler mHandler;
 28 
 29     /**
 30      * 单例获取 OKhttpManager实例
 31      */
 32     private static OKhttpManager getInstance() {
 33         if (oKhttpManager == null) {
 34             oKhttpManager = new OKhttpManager();
 35         }
 36         return oKhttpManager;
 37     }
 38 
 39     private OKhttpManager() {
 40         client = new OkHttpClient();
 41         mHandler = new Handler(Looper.getMainLooper());
 42     }
 43 
 44 
 45     /**************
 46      * 内部逻辑处理
 47      ****************/
 48     private Response p_getSync(String url) throws IOException {
 49         Request request = new Request.Builder().url(url).build();
 50         Response response = client.newCall(request).execute();
 51         return response;
 52     }
 53 
 54     private String p_getSyncAsString(String url) throws IOException {
 55         return p_getSync(url).body().string();
 56     }
 57 
 58     private void p_getAsync(String url, final DataCallBack callBack) {
 59         final Request request = new Request.Builder().url(url).build();
 60         client.newCall(request).enqueue(new Callback() {
 61             @Override
 62             public void onFailure(Call call, IOException e) {
 63                 deliverDataFailure(call, e, callBack);
 64             }
 65 
 66             @Override
 67             public void onResponse(Call call, Response response) {
 68                 try {
 69                     String result = response.body().string();
 70                     deliverDataSuccess(result, callBack);
 71                 } catch (IOException e) {
 72                     deliverDataFailure(call, 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 
 81         if (params == null) {
 82             params = new HashMap<String, String>();
 83         }
 84         FormBody.Builder builder = new FormBody.Builder();
 85         for (Map.Entry<String, String> entry : params.entrySet()) {
 86             String key = entry.getKey().toString();
 87             String value = null;
 88             if (entry.getValue() == null) {
 89                 value = "";
 90             } else {
 91                 value = entry.getValue().toString();
 92             }
 93             builder.add(key, value);
 94         }
 95         requestBody = builder.build();
 96         final Request request = new Request.Builder().url(url).post(requestBody).build();
 97         client.newCall(request).enqueue(new Callback() {
 98             @Override
 99             public void onFailure(Call call, IOException e) {
100                 deliverDataFailure(call, e, callBack);
101             }
102 
103             @Override
104             public void onResponse(Call call, Response response) throws IOException {
105                 try {
106                     String result = response.body().string();
107                     deliverDataSuccess(result, callBack);
108                 } catch (IOException e) {
109                     deliverDataFailure(call, e, callBack);
110                 }
111             }
112         });
113     }
114 
115     /**
116      * 数据分发的方法
117      */
118     private void deliverDataFailure(final Call call, final IOException e, final DataCallBack callBack) {
119         mHandler.post(new Runnable() {
120             @Override
121             public void run() {
122                 if (callBack != null) {
123                     callBack.requestFailure(call, e);
124                 }
125             }
126         });
127     }
128 
129     private void deliverDataSuccess(final String result, final DataCallBack callBack) {
130         mHandler.post(new Runnable() {
131             @Override
132             public void run() {
133                 if (callBack != null) {
134                     callBack.requestSuccess(result);
135                 }
136             }
137         });
138     }
139 
140 
141     /******************
142      * 对外公布的方法
143      *****************/
144     public static Response getSync(String url) throws IOException {
145         return getInstance().p_getSync(url);//同步GET，返回Response类型数据
146     }
147 
148 
149     public static String getSyncAsString(String url) throws IOException {
150         return getInstance().p_getSyncAsString(url);//同步GET，返回String类型数据
151     }
152 
153     public static void getAsync(String url, DataCallBack callBack) {
154         getInstance().p_getAsync(url, callBack);//异步GET请求
155     }
156 
157     public static void postAsync(String url, Map<String, String> params, DataCallBack callBack) {
158         getInstance().p_postAsync(url, params, callBack);//异步POST请求
159     }
160 
161     /**
162      * 数据回调接口
163      */
164     public interface DataCallBack {
165         void requestFailure(Call call, IOException e);
166 
167         void requestSuccess(String result);
168     }
169 
170 }


MainActivity.class   工具类的调用方法






  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.Call;
 14 import okhttp3.OkHttpClient;
 15 import okhttp3.Request;
 16 import okhttp3.Response;
 17 
 18 public class MainActivity extends AppCompatActivity implements View.OnClickListener {
 19     private static OkHttpClient client = new OkHttpClient();
 20     private Request request;
 21     private Response response;
 22 
 23     private Button button1, button2, button3, button4;
 24     private TextView textView;
 25 
 26     @Override
 27     protected void onCreate(Bundle savedInstanceState) {
 28         super.onCreate(savedInstanceState);
 29         setContentView(R.layout.activity_main);
 30         button1 = (Button) findViewById(R.id.btn_one);
 31         button2 = (Button) findViewById(R.id.btn_two);
 32         button3 = (Button) findViewById(R.id.btn_three);
 33         button4 = (Button) findViewById(R.id.btn_four);
 34         button1.setOnClickListener(this);
 35         button2.setOnClickListener(this);
 36         button3.setOnClickListener(this);
 37         button4.setOnClickListener(this);
 38         textView = (TextView) findViewById(R.id.tv);
 39     }
 40 
 41     @Override
 42     public void onClick(View view) {
 43         switch (view.getId()) {
 44             case R.id.btn_one://同步GET 调用方法
 45 
 46                 new Thread(new Runnable() {
 47                     @Override
 48                     public void run() {
 49                         try {
 50                             final String message = OKhttpManager.getSyncAsString("http://cache.video.iqiyi.com/jp/avlist/202861101/1/?callback=jsonp9");
 51                             runOnUiThread(new Runnable() {
 52                                 @Override
 53                                 public void run() {
 54                                     textView.setText(message);
 55                                 }
 56                             });
 57                         } catch (IOException e) {
 58                             e.printStackTrace();
 59                         }
 60                     }
 61                 }).start();
 62 
 63                 break;
 64             case R.id.btn_two://异步GET 调用方法
 65                 OKhttpManager.getAsync("http://web.juhe.cn:8080/finance/exchange/rmbquot", new OKhttpManager.DataCallBack() {
 66                     @Override
 67                     public void requestFailure(Call call, IOException e) {
 68                         /**
 69                          * 加载失败，回调这个方法
 70                          * */
 71                     }
 72 
 73                     @Override
 74                     public void requestSuccess(String result) {
 75                         textView.setText(result);
 76                     }
 77                 });
 78                 break;
 79             case R.id.btn_three://POST提交表单 调用方法
 80                 Map<String, String> params = new HashMap<>();
 81                 params.put("cellphone", "123456");//用户名
 82                 params.put("password", "123456");//密码
 83                 OKhttpManager.postAsync("http://58.250.31.19:28080/afeducation/appfront/main/loginUser_app.do", params, new OKhttpManager.DataCallBack() {
 84                     @Override
 85                     public void requestFailure(Call call, IOException e) {
 86                         textView.setText(e.toString());
 87                     }
 88 
 89                     @Override
 90                     public void requestSuccess(String result) {
 91                         textView.setText(result);
 92                     }
 93                 });
 94                 break;
 95             case R.id.btn_four://文件下载 调用方法
 96 
 97                 break;
 98         }
 99     }
100 }






activity_main.xml   布局文件


 




 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     <Button
14         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     <Button
20         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     <Button
26         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     <Button
32         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     <TextView
38         android:id="@+id/tv"
39         android:layout_width="wrap_content"
40         android:layout_height="wrap_content"
41         android:text="text" />
42 </LinearLayout>




 


以前都是用Volley去进行网络交互，时间久了，也想换换新的东西。网络请求框架各具特色，需要自己不断探索和选择。加油！


 


 








            

            
posted @ 
2016-09-30 18:51 
火龙裸先生 
阅读(3079) 
评论(0) 
编辑 
收藏 
举报