Android用WAMPSERVER HttpClient 实现Get请求

1. package com.yarin.android.Examples_08_02;  
2.   
3. import java.io.IOException;  
4. import org.apache.http.HttpResponse;  
5. import org.apache.http.HttpStatus;  
6. import org.apache.http.client.ClientProtocolException;  
7. import org.apache.http.client.HttpClient;  
8. import org.apache.http.client.methods.HttpGet;  
9. import org.apache.http.impl.client.DefaultHttpClient;  
10. import org.apache.http.util.EntityUtils;  
11. import android.app.Activity;  
12. import android.content.Intent;  
13. import android.os.Bundle;  
14. import android.view.View;  
15. import android.widget.Button;  
16. import android.widget.TextView;  
17.   
18. public class Activity02 extends Activity {  
19.     /** Called when the activity is first created. */  
20.     @Override  
21.     public void onCreate(Bundle savedInstanceState) {  
22.         super.onCreate(savedInstanceState);  
23.         setContentView(R.layout.http);  
24.         TextView mTextView = (TextView) this.findViewById(R.id.TextView_HTTP);  
25.         // http地址  
26.         String httpUrl = "http://192.168.1.9:8080/linelabel.php"; // 定义需要获取的内容来源地址
27.         HttpGet httpRequest = new HttpGet(httpUrl);  
28.         try {  
29.             // 取得HttpClient对象  
30.             HttpClient httpclient = new DefaultHttpClient();  
31.             // 请求HttpClient，取得HttpResponse  
32.             HttpResponse httpResponse = httpclient.execute(httpRequest);  
33.             // 请求成功  
34.             if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {  
35.                 // 取得返回的字符串  
36.                 String strResult = EntityUtils.toString(httpResponse  
37.                         .getEntity());  
38.                 mTextView.setText(strResult);  
39.             } else {  
40.                 mTextView.setText("请求错误!");  
41.             }  
42.         } catch (ClientProtocolException e) {  
43.             mTextView.setText(e.getMessage().toString());  
44.         } catch (IOException e) {  
45.             mTextView.setText(e.getMessage().toString());  
46.         } catch (Exception e) {  
47.             mTextView.setText(e.getMessage().toString());  
48.         }  
49.   
50.         // 设置按键事件监听  
51.         Button button_Back = (Button) findViewById(R.id.Button_Back);  
52.         /* 监听button的事件信息 */  
53.         button_Back.setOnClickListener(new Button.OnClickListener() {  
54.             public void onClick(View v) {  
55.                 /* 新建一个Intent对象 */  
56.                 Intent intent = new Intent();  
57.                 /* 指定intent要启动的类 */  
58.                 intent.setClass(Activity02.this, Activity01.class);  
59.                 /* 启动一个新的Activity */  
60.                 startActivity(intent);  
61.                 /* 关闭当前的Activity */  
62.                 Activity02.this.finish();  
63.             }  
64.         });  
65.     }  
66. }