Android(安卓)HttpClient网络通信
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01.<?xml version="1.0" encoding="utf-8"?>
02.<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
03. android:orientation="vertical" android:layout_width="fill_parent"
04. android:layout_height="fill_parent">
05. <Button android:text="GET" android:id="@+id/Button01"
06. android:layout_width="fill_parent"
07. android:layout_height="wrap_content">
08. </Button>
09. <Button android:text="POST" android:id="@+id/Button02"
10. android:layout_width="fill_parent"
11. android:layout_height="wrap_content">
12. </Button>
13. <TextView android:id="@+id/TextView" android:layout_width="fill_parent"
14. android:layout_height="wrap_content"/>
15.</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<Button android:text="GET" android:id="@+id/Button01"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</Button>
<Button android:text="POST" android:id="@+id/Button02"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</Button>
<TextView android:id="@+id/TextView" android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
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01.package com.Aina.Android;
02.
03.import java.io.BufferedReader;
04.import java.io.IOException;
05.import java.io.InputStream;
06.import java.io.InputStreamReader;
07.import java.io.UnsupportedEncodingException;
08.import java.net.HttpURLConnection;
09.import java.net.MalformedURLException;
10.import java.net.URL;
11.
12.import java.util.ArrayList;
13.import java.util.List;
14.
15.import org.apache.http.HttpEntity;
16.import org.apache.http.HttpResponse;
17.import org.apache.http.HttpStatus;
18.import org.apache.http.NameValuePair;
19.import org.apache.http.client.ClientProtocolException;
20.import org.apache.http.client.HttpClient;
21.import org.apache.http.client.entity.UrlEncodedFormEntity;
22.import org.apache.http.client.methods.HttpGet;
23.import org.apache.http.client.methods.HttpPost;
24.import org.apache.http.impl.client.DefaultHttpClient;
25.import org.apache.http.message.BasicNameValuePair;
26.import org.apache.http.util.EntityUtils;
27.
28.import android.app.Activity;
29.import android.os.Bundle;
30.import android.os.Handler;
31.import android.os.Message;
32.import android.view.View;
33.import android.widget.Button;
34.import android.widget.TextView;
35.
36.public class Test extends Activity implements Runnable{
37. /** Called when the activity is first created. */
38. private Button btn_get = null;
39. private Button btn_post = null;
40. private TextView tv_rp = null;
41. @Override
42. public void onCreate(Bundle savedInstanceState) {
43. super.onCreate(savedInstanceState);
44. setContentView(R.layout.main);
45. btn_get = (Button) this.findViewById(R.id.Button01);
46. btn_post = (Button) this.findViewById(R.id.Button02);
47. tv_rp = (TextView) this.findViewById(R.id.TextView);
48. btn_get.setOnClickListener(new Button.OnClickListener(){
49.
50. public void onClick(View v) {
51. // TODO Auto-generated method stub
52. String httpUrl = "http://192.168.0.132:8080/Android/httpreq.jsp?par=request-get";
53. HttpGet request = new HttpGet(httpUrl);
54. HttpClient httpClient = new DefaultHttpClient();
55. try {
56. HttpResponse response = httpClient.execute(request);
57. if(response.getStatusLine().getStatusCode()==HttpStatus.SC_OK){
58. String str = EntityUtils.toString(response.getEntity());
59. tv_rp.setText(str);
60. }else{
61. tv_rp.setText("请求错误");
62. }
63. } catch (ClientProtocolException e) {
64. // TODO Auto-generated catch block
65. e.printStackTrace();
66. } catch (IOException e) {
67. // TODO Auto-generated catch block
68. e.printStackTrace();
69. }
70. }
71.
72. });
73. btn_post.setOnClickListener(new Button.OnClickListener(){
74.
75. public void onClick(View v) {
76. // TODO Auto-generated method stub
77. String httpUrl = "http://192.168.0.132:8080/Android/httpreq.jsp";
78. HttpPost request = new HttpPost(httpUrl);
79. List<NameValuePair> params = new ArrayList<NameValuePair>();
80. params.add(new BasicNameValuePair("par","request-post"));
81. try {
82. HttpEntity entity = new UrlEncodedFormEntity(params, "UTF-8");
83. request.setEntity(entity);
84. HttpClient client = new DefaultHttpClient();
85. HttpResponse response = client.execute(request);
86. if(response.getStatusLine().getStatusCode()==HttpStatus.SC_OK){
87. String str = EntityUtils.toString(response.getEntity());
88. tv_rp.setText(str);
89. }else{
90. tv_rp.setText("请求错误");
91. }
92. } catch (UnsupportedEncodingException e) {
93. // TODO Auto-generated catch block
94. e.printStackTrace();
95. } catch (ClientProtocolException e) {
96. // TODO Auto-generated catch block
97. e.printStackTrace();
98. } catch (IOException e) {
99. // TODO Auto-generated catch block
100. e.printStackTrace();
101. }
102. }
103.
104. });
105. new Thread(this).start();
106. }
107. public void refresh(){
108. String httpUrl = "http://192.168.0.132:8080/Android/httpreq.jsp";
109. try {
110. URL url = new URL(httpUrl);
111. HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
112. urlConn.connect();
113. InputStream input = urlConn.getInputStream();
114. InputStreamReader inputreader = new InputStreamReader(input);
115. BufferedReader reader = new BufferedReader(inputreader);
116. String str = null;
117. StringBuffer sb = new StringBuffer();
118. while((str = reader.readLine())!= null){
119. sb.append(str).append("/n");
120. }
121. if(sb != null){
122. tv_rp.setText(sb.toString());
123. }else{
124. tv_rp.setText("NULL");
125. }
126. reader.close();
127. inputreader.close();
128. input.close();
129. reader = null;
130. inputreader = null;
131. input = null;
132. } catch (MalformedURLException e) {
133. e.printStackTrace();
134. } catch (IOException e) {
135. // TODO Auto-generated catch block
136. e.printStackTrace();
137. }
138. }
139. public Handler handler = new Handler(){
140. public void handleMessage(Message msg){
141. super.handleMessage(msg);
142. refresh();
143. }
144. };
145. public void run() {
146. // TODO Auto-generated method stub
147. while(true){
148. try {
149. Thread.sleep(1000);
150. handler.sendMessage(handler.obtainMessage());
151. } catch (InterruptedException e) {
152. // TODO Auto-generated catch block
153. e.printStackTrace();
154. }
155. }
156. }
157.}
package com.Aina.Android;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class Test extends Activity implements Runnable{
/** Called when the activity is first created. */
private Button btn_get = null;
private Button btn_post = null;
private TextView tv_rp = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn_get = (Button) this.findViewById(R.id.Button01);
btn_post = (Button) this.findViewById(R.id.Button02);
tv_rp = (TextView) this.findViewById(R.id.TextView);
btn_get.setOnClickListener(new Button.OnClickListener(){
public void onClick(View v) {
// TODO Auto-generated method stub
String httpUrl = "http://192.168.0.132:8080/Android/httpreq.jsp?par=request-get";
HttpGet request = new HttpGet(httpUrl);
HttpClient httpClient = new DefaultHttpClient();
try {
HttpResponse response = httpClient.execute(request);
if(response.getStatusLine().getStatusCode()==HttpStatus.SC_OK){
String str = EntityUtils.toString(response.getEntity());
tv_rp.setText(str);
}else{
tv_rp.setText("请求错误");
}
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
btn_post.setOnClickListener(new Button.OnClickListener(){
public void onClick(View v) {
// TODO Auto-generated method stub
String httpUrl = "http://192.168.0.132:8080/Android/httpreq.jsp";
HttpPost request = new HttpPost(httpUrl);
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("par","request-post"));
try {
HttpEntity entity = new UrlEncodedFormEntity(params, "UTF-8");
request.setEntity(entity);
HttpClient client = new DefaultHttpClient();
HttpResponse response = client.execute(request);
if(response.getStatusLine().getStatusCode()==HttpStatus.SC_OK){
String str = EntityUtils.toString(response.getEntity());
tv_rp.setText(str);
}else{
tv_rp.setText("请求错误");
}
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
new Thread(this).start();
}
public void refresh(){
String httpUrl = "http://192.168.0.132:8080/Android/httpreq.jsp";
try {
URL url = new URL(httpUrl);
HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
urlConn.connect();
InputStream input = urlConn.getInputStream();
InputStreamReader inputreader = new InputStreamReader(input);
BufferedReader reader = new BufferedReader(inputreader);
String str = null;
StringBuffer sb = new StringBuffer();
while((str = reader.readLine())!= null){
sb.append(str).append("/n");
}
if(sb != null){
tv_rp.setText(sb.toString());
}else{
tv_rp.setText("NULL");
}
reader.close();
inputreader.close();
input.close();
reader = null;
inputreader = null;
input = null;
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public Handler handler = new Handler(){
public void handleMessage(Message msg){
super.handleMessage(msg);
refresh();
}
};
public void run() {
// TODO Auto-generated method stub
while(true){
try {
Thread.sleep(1000);
handler.sendMessage(handler.obtainMessage());
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
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01.<?xml version="1.0" encoding="utf-8"?>
02.<manifest xmlns:android="http://schemas.android.com/apk/res/android"
03. package="com.Aina.Android"
04. android:versionCode="1"
05. android:versionName="1.0">
06. <application android:icon="@drawable/icon" android:label="@string/app_name">
07. <activity android:name=".Test"
08. android:label="@string/app_name">
09. <intent-filter>
10. <action android:name="android.intent.action.MAIN" />
11. <category android:name="android.intent.category.LAUNCHER" />
12. </intent-filter>
13. </activity>
14.
15. </application>
16.<uses-permission android:name="android.permission.INTERNET" />
17.
18.</manifest>
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/xiangyong2008/archive/2010/09/02/5859864.aspx
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