1 package com.hanqi.cunchu;
2
3 import android.app.ProgressDialog;
4 import android.support.v7.app.AppCompatActivity;
5 import android.os.Bundle;
6 import android.util.Log;
7 import android.view.View;
8 import android.widget.EditText;
9
10 import java.io.InputStream;
11 import java.io.ObjectStreamClass;
12 import java.io.OutputStream;
13 import java.net.URL;
14
15 import javax.net.ssl.HttpsURLConnection;
16
17 public class TestActivity3 extends AppCompatActivity {
18 EditText et_2;
19
20 @Override
21 protected void onCreate(Bundle savedInstanceState) {
22 super.onCreate(savedInstanceState);
23 setContentView(R.layout.activity_test3);
24 et_2=(EditText)findViewById(R.id.et_2);
25 }
26 //显示结果
27 String STR = "";
28 //jdk的get方式
29 public void bt1_onclick(View v) {
30 //1-启动进度对话框
31 final ProgressDialog PD = ProgressDialog.show(this, null, "请稍等. . . ");
32 //2-启动子线程，访问远程服务器
33 new Thread() {
34 @Override
35 public void run() {
36 //访问远程服务器
37 //JDK-get
38 HttpsURLConnection HUC = null;
39 try {
40 //1-构造URL对象
41 URL url = new URL("http://192.168.31.56:81/index.asp?name=tom&password=456");
42 //2-得到HttpURLConnection
43 HUC = (HttpsURLConnection) url.openConnection();
44 //3-设置HttpURLConnection
45 HUC.setRequestMethod("GET");
46 HUC.setConnectTimeout(3000);
47 HUC.setReadTimeout(3000);
48 //4-连接远程服务器
49 HUC.connect();
50 //5-接收响应报文的状态
51 int code = HUC.getResponseCode();
52 //6-判断响应状态码，是否等于200
53 if (code == 200) {
54 //7-处理
55
56 //1-接收数据
57
58 //2-得到数据流
59 InputStream is = HUC.getInputStream();
60 //读到的数据
61 byte[] b = new byte[1024];
62 //读到的数据长度
63 int i = 0;
64 while ((i = is.read(b)) > 0) {
65 //接收字符串
66 STR += new String(b, 0, i);
67 }
68 is.close();
69
70 } else {
71 STR = "响应错误,错误码=" + code;
72 }
73 //显示结果,不能直接跨线程访问主线程的视图
74 runOnUiThread(new Runnable() {
75 @Override
76 public void run() {
77 et_2.setText(STR);
78 }
79 });
80 } catch (Exception e) {
81 e.printStackTrace();
82 } finally {
83 //8-关闭连接和进度对话框
84 //释放资源
85 if (HUC != null) {
86 HUC.disconnect();
87 }
88 //支持跨线程访问
89 PD.dismiss();
90 }
91 }
92 }.start();
93 }
94 //jdk的POST方式
95 public void bt2_onclick(View v)
96 {
97 //1-启动进度对话框
98 final ProgressDialog PD=ProgressDialog.show(this, null, "请稍等. . . ");
99 //2-启动子线程，访问远程服务器
100 new Thread()
101 {
102 @Override
103 public void run() {
104 //访问远程服务器
105 //JDK-get
106 HttpsURLConnection HUC = null;
107 try {
108 //1-构造URL对象
109 URL url = new URL("http://192.168.31.56:81/index.asp");
110 //2-得到HttpURLConnection
111 HUC = (HttpsURLConnection)url.openConnection();
112 //3-设置HttpURLConnection
113 HUC.setRequestMethod("POST");
114 HUC.setConnectTimeout(3000);
115 HUC.setReadTimeout(3000);
116 //4-连接远程服务器，输出流
117 HUC.connect();
118 //数据放到请求体里面
119 //1-得到输出流
120 OutputStream os=HUC.getOutputStream();
121 String outStr="name=tom&password=123";
122 os.write(outStr.getBytes("UTF-8"));
123 Log.e("TAG","发送. . .");
124 //5-接收响应报文的状态
125 int code = HUC.getResponseCode();
126 //6-判断响应状态码，是否等于200
127 if (code==200)
128 {
129 //7-处理
130
131 //1-接收数据
132
133 //2-得到数据流，输入流
134 InputStream is=HUC.getInputStream();
135 //读到的数据
136 byte[]b=new byte[1024];
137 //读到的数据长度
138 int i = 0;
139 while((i=is.read(b))>0)
140 {
141 //接收字符串
142 STR+=new String(b,0,i);
143 }
144 is.close();
145 os.close();
146 }
147 else
148 {
149 STR="响应错误,错误码="+code;
150 }
151 //显示结果,不能直接跨线程访问主线程的视图
152 runOnUiThread(new Runnable() {
153 @Override
154 public void run() {
155 et_2.setText(STR);
156 }
157 });
158 } catch (Exception e) {
159 e.printStackTrace();
160 }
161 finally {
162 //8-关闭连接和进度对话框
163 //释放资源
164 if (HUC!=null) {
165 HUC.disconnect();
166 }
167 //支持跨线程访问
168 PD.dismiss();
169 }
170 }
171 }.start();
172 }
173 }
1 <?xml version="1.0" encoding="utf-8"?>
2 <LinearLayout
3 xmlns:android="http://schemas.android.com/apk/res/android"
4 xmlns:tools="http://schemas.android.com/tools"
5 android:layout_width="match_parent"
6 android:layout_height="match_parent"
7 android:orientation="vertical"
8 tools:context="com.hanqi.cunchu.TestActivity3">
9 <LinearLayout
10 android:layout_width="match_parent"
11 android:layout_height="wrap_content"
12 android:orientation="horizontal">
13 <Button
14 android:layout_width="0dp"
15 android:layout_weight="1"
16 android:layout_height="wrap_content"
17 android:text="JDK-GET方式"
18 android:onClick="bt1_onclick"/>
19 <Button
20 android:layout_width="0dp"
21 android:layout_weight="1"
22 android:layout_height="wrap_content"
23 android:text="JDK-POST方式"
24 android:onClick="bt2_onclick"/>
25 </LinearLayout>
26 <EditText
27 android:layout_width="match_parent"
28 android:layout_height="200dp"
29 android:id="@+id/et_2"/>
30 </LinearLayout>
