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Android下使用Socket连接网络电脑
既然是使用SOCKET连接网络上的电脑,就分为两部分 其一,Android上面的Client其二,PC上的Server Android上面的实现代码如下
package
Hello.MySocket;
import
java.io.BufferedReader;
import
java.io.BufferedWriter;
import
java.io.IOException;
import
java.io.InputStreamReader;
import
java.io.OutputStreamWriter;
import
java.io.PrintWriter;
import
java.net.Socket;
import
java.net.UnknownHostException;
import
android.app.Activity;
import
android.os.Bundle;
import
android.util.Log;
import
android.view.View;
import
android.widget.Button;
import
android.widget.EditText;
import
android.widget.TextView;
public
class
MySocket
extends
Activity {
private
final
String DEBUG_TAG=
"lengfeng"
;
public
void
onCreate(Bundle savedInstanceState) {
super
.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.v(
"lengfeng"
,
"Android Start Connect"
);
Socket socket=
null
;
String mesg=
"my name is log /r/n"
;
try
{
socket=
new
Socket(
"10.0.2.2"
,
54321
);
//向服务器发送信息
PrintWriter out=
new
PrintWriter(
new
BufferedWriter(
new
OutputStreamWriter(socket.getOutputStream())),
true
);
out.println(mesg);
//接受服务器的信息
BufferedReader br=
new
BufferedReader(
new
InputStreamReader(socket.getInputStream()));
String mstr=br.readLine();
if
(mstr!=
null
)
{
Log.e(DEBUG_TAG,mesg);
}
else
{
Log.e(DEBUG_TAG,
"数据错误"
);
}
out.close();
br.close();
socket.close();
}
catch
(UnknownHostException e) {
e.printStackTrace();
}
catch
(IOException e) {
e.printStackTrace();
}
catch
(Exception e)
{
Log.e(DEBUG_TAG,e.toString());
}
}
}
PC上面的Server 创建一个java的项目
import
java.io.BufferedReader;
import
java.io.BufferedWriter;
import
java.io.IOException;
import
java.io.InputStreamReader;
import
java.io.OutputStreamWriter;
import
java.io.PrintWriter;
import
java.net.ServerSocket;
import
java.net.Socket;
public
class
MyJavaServer {
/**
* @param args
*/
public
static
void
main(String[] args) {
// TODO Auto-generated method stub
System.out.print(
"MyJavaServer Start Runing/n"
);
try
{
ServerSocket serverSocket=
new
ServerSocket(
54321
);
while
(
true
)
{
System.out.println(
"接收用户连接:"
);
//接受客户端请求
Socket client=serverSocket.accept();
System.out.println(
"accept:"
);
try
{
//接受客户端信息
BufferedReader in=
new
BufferedReader(
new
InputStreamReader(client.getInputStream()));
String str=in.readLine();
System.out.println(
"read:"
+str);
//向服务器发送消息
PrintWriter out=
new
PrintWriter(
new
BufferedWriter(
new
OutputStreamWriter(client.getOutputStream())),
true
);
out.println(
"Server Message:"
+str);
in.close();
out.close();
}
catch
(Exception ex)
{
System.out.println(ex.getMessage());
ex.printStackTrace();
}
finally
{
client.close();
System.out.println(
"close"
);
}
}
}
catch
(IOException e) {
System.out.println(e.getMessage());
}
}
}
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