JDK-GET、JDK-PSOT、Volley-GET、Volley-POST
Java类代码：
1 package com.example.dbwater.myapplication; 2 3 import android.app.DownloadManager; 4 import com.android.volley.*; 5 import com.android.volley.toolbox.StringRequest; 6 import com.android.volley.toolbox.Volley; 7 8 import android.app.ProgressDialog; 9 import android.app.VoiceInteractor; 10 import android.support.v7.app.AppCompatActivity; 11 import android.os.Bundle; 12 import android.util.Log; 13 import android.view.View; 14 import android.widget.EditText; 15 import android.widget.Toast; 16 17 import java.io.InputStream; 18 import java.io.OutputStream; 19 import java.lang.ref.ReferenceQueue; 20 import java.net.HttpURLConnection; 21 import java.net.URL; 22 import java.util.HashMap; 23 import java.util.Map; 24 25 public class Get_Post extends AppCompatActivity { 26 27 EditText et_1; 28 ProgressDialog pd; 29 String str=""; 30 //请求队列 31 RequestQueue requestQueue; 32 @Override 33 protected void onCreate(Bundle savedInstanceState) { 34 super.onCreate(savedInstanceState); 35 setContentView(R.layout.activity_get__post); 36 et_1=(EditText)findViewById(R.id.et_1); 37 //创建Volley的请求队列，在子线程 38 requestQueue= Volley.newRequestQueue(this); 39 } 40 //JDK-Get 41 public void bt1_onClick(View view) 42 { 43 pd=ProgressDialog.show(this,null,"正在加载请稍候。。。"); 44 new Thread(){ 45 @Override 46 public void run() { 47 HttpURLConnection huc=null; 48 try { 49 URL url = new URL("http://192.168.3.167:80/a.asp"); 50 huc=(HttpURLConnection)url.openConnection(); 51 huc.setRequestMethod("GET"); 52 huc.setConnectTimeout(3000); 53 huc.setReadTimeout(3000); 54 huc.connect(); 55 int code=huc.getResponseCode(); 56 str=""; 57 if (code==200) 58 { 59 InputStream is=huc.getInputStream(); 60 byte[] b =new byte[1024]; 61 int i = 0; 62 while ((i=is.read(b))>0) 63 { 64 str +=new String(b,0,1); 65 } 66 Log.e("TAG","接受..."); 67 is.close(); 68 } 69 else{ 70 str="响应错误，错误码="+code; 71 } 72 runOnUiThread(new Runnable() { 73 @Override 74 public void run() { 75 et_1.setText(str); 76 } 77 }); 78 } 79 catch (Exception e) 80 { 81 e.printStackTrace(); 82 } 83 finally { 84 if (huc!=null) 85 { 86 huc.disconnect(); 87 } 88 pd.dismiss(); 89 } 90 } 91 }.start(); 92 } 93 //JDK方式Post 94 public void bt2_onClick(View view) 95 { 96 pd=ProgressDialog.show(this,null,"请稍候。。。"); 97 new Thread(){ 98 @Override 99 public void run() { 100 HttpURLConnection huc=null; 101 try{ 102 //构造URL对象 103 URL url=new URL("http://192.168.3.167:80/a.asp?name=tom&pw=123"); 104 //得到连接对象HttpURLConnection 105 huc=(HttpURLConnection)url.openConnection(); 106 huc.setRequestMethod("POST"); 107 huc.setConnectTimeout(3000); 108 huc.setReadTimeout(3000); 109 //连接远程服务器，输出流 110 huc.connect(); 111 //得到输出流 112 OutputStream os=huc.getOutputStream(); 113 String outstr="name=tom&password=123"; 114 os.write(outstr.getBytes("UTF-8")); 115 //接受相应报文的状态码 116 int code=huc.getResponseCode(); 117 str=""; 118 //判断状态码兵得到输入数据流处理 119 if (code==200) 120 { 121 InputStream is=huc.getInputStream(); 122 byte[] b=new byte[1024]; 123 int i=0; 124 while ((i=is.read(b))>0) 125 { 126 str+=new String(b,0,i); 127 } 128 is.close(); 129 os.close(); 130 } 131 else { 132 str="响应错误码，错误码="+code; 133 } 134 //显示结果，不能跨线程 135 runOnUiThread(new Runnable() { 136 @Override 137 public void run() { 138 et_1.setText(str); 139 } 140 }); 141 142 } 143 catch (Exception e) 144 { 145 e.printStackTrace(); 146 } 147 finally { 148 //关闭连接和进度对话框，释放资源 149 if (huc!=null) 150 { 151 huc.disconnect(); 152 } 153 pd.dismiss(); 154 } 155 } 156 }.start(); 157 } 158 //Volley-Get 159 public void bt3_onClick(View view) 160 { 161 final ProgressDialog pd=ProgressDialog.show(this,null,"请稍候。。。"); 162 //构建StringRequest 163 StringRequest sr=new StringRequest("http://192.168.3.167:80/a.asp", 164 new Response.Listener<String>() { 165 @Override 166 public void onResponse(String s) { 167 //处理正常响应，在主线程里运行 168 et_1.setText(s); 169 pd.dismiss(); 170 } 171 }, new Response.ErrorListener() { 172 @Override 173 public void onErrorResponse(VolleyError volleyError) { 174 pd.dismiss(); 175 Toast.makeText(Get_Post.this, "响应异常，响应状态码"+volleyError.networkResponse.statusCode, Toast.LENGTH_SHORT).show(); 176 } 177 }); 178 //加入队列 179 requestQueue.add(sr); 180 } 181 //Volley-Post 182 public void bt4_onClick(View view) 183 { 184 pd=ProgressDialog.show(this,null,"请稍候。。。"); 185 //构建StringRequest 186 StringRequest sr=new StringRequest(Request.Method.POST, "http://192.168.3.167:80/a.asp", 187 new Response.Listener<String>() { 188 @Override 189 public void onResponse(String s) { 190 //处理正常响应，在主线程里运行 191 et_1.setText(s); 192 pd.dismiss(); 193 } 194 }, new Response.ErrorListener() { 195 @Override 196 public void onErrorResponse(VolleyError volleyError) { 197 pd.dismiss(); 198 Toast.makeText(Get_Post.this, "响应异常，响应状态码="+volleyError.networkResponse.statusCode, Toast.LENGTH_SHORT).show(); 199 } 200 }){ 201 @Override 202 protected Map<String,String> getParams()throws AuthFailureError{ 203 Map<String,String>rtn=new HashMap<>(); 204 rtn.put("name","postvolley"); 205 rtn.put("password","567"); 206 return rtn; 207 } 208 }; 209 //加入队列 210 requestQueue.add(sr); 211 } 212 213 }
layout代码：
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:paddingBottom="@dimen/activity_vertical_margin" 7 android:paddingLeft="@dimen/activity_horizontal_margin" 8 android:paddingRight="@dimen/activity_horizontal_margin" 9 android:paddingTop="@dimen/activity_vertical_margin" 10 android:orientation="vertical" 11 tools:context="com.example.dbwater.myapplication.Get_Post"> 12 13 <LinearLayout 14 android:layout_width="match_parent" 15 android:layout_height="wrap_content" 16 android:orientation="horizontal"> 17 <Button 18 android:layout_width="0dp" 19 android:layout_height="wrap_content" 20 android:layout_weight="1" 21 android:text="JDK-GET方式" 22 android:onClick="bt1_onClick"/> 23 <Button 24 android:layout_width="0dp" 25 android:layout_height="wrap_content" 26 android:layout_weight="1" 27 android:text="JDK-Post方式" 28 android:onClick="bt2_onClick"/> 29 </LinearLayout> 30 <LinearLayout 31 android:layout_width="match_parent" 32 android:layout_height="wrap_content" 33 android:orientation="horizontal"> 34 <Button 35 android:layout_width="0dp" 36 android:layout_height="wrap_content" 37 android:layout_weight="1" 38 android:text="VOLLEY-GET方式" 39 android:onClick="bt3_onClick"/> 40 <Button 41 android:layout_width="0dp" 42 android:layout_height="wrap_content" 43 android:layout_weight="1" 44 android:text="VOLLEY-Post方式" 45 android:onClick="bt4_onClick"/> 46 </LinearLayout> 47 <EditText 48 android:layout_width="match_parent" 49 android:layout_height="200dp" 50 android:id="@+id/et_1"/> 51 </LinearLayout>
