简易socket客户端和多线程服务器实现

简易socket客户端和多线程服务器实现

下午时间匆忙写的，尽量简化实现。

客户端：

packagecom.XiongYi.client;

importjava.io.*;
importjava.net.*;

publicclassClient...{

publicstaticvoidmain(String[]args)throwsIOException...{

finalStringServer_IP="localhost";
finalintServer_Port=1986;

Socketsocket=newSocket(Server_IP,Server_Port);

try...{
System.out.println("ClientStart...");
System.out.println("socket="+socket);
socket.setKeepAlive(true);

PrintWriterout=newPrintWriter(
newBufferedWriter
(newOutputStreamWriter
(socket.getOutputStream())),true);
InputStreamnetIn=socket.getInputStream();

BufferedReaderbufferedReader=newBufferedReader(
newInputStreamReader(System.in));

System.out.print("请输入请求:");
StringhttpString=bufferedReader.readLine();

System.out.println(httpString);
intstick=httpString.indexOf("//");
//找到“HTTP://localhost:80/Tomcat/test.html”中“//”的位置
if(stick!=-1)
httpString=httpString.substring(stick+2);
stick=httpString.indexOf("/");
httpString=httpString.substring(stick);
System.out.println(httpString);

out.println("GET"+httpString+"HTTP/1.1");
out.println("Accept:*/*");
out.println("Accept-Language:zh-cn");
out.println("UA-CPU:x86");
out.println("Accept-Encoding:gzip,deflate");
out.println("User-Agent:R.C.");
out.println("Host:localhost:"+Server_Port);
out.println("Connection:Keep-Alive");
out.flush();
//这里不能用out.close，否则socket也会被关闭！

System.out.println("Readingthepage... ");

bytebuf[]=newbyte[1024];
intnum=0;

while((num=netIn.read(buf,0,buf.length))!=-1)...{
System.out.print(newString(buf,0,num,"GBK"));
}
bufferedReader.close();
netIn.close();
out.close();
}
finally...{
System.out.println("closing..");
socket.close();
}

}

}

 

---

多线程服务端：

packagecom.XiongYi.server;

importjava.io.*;
importjava.net.*;

publicclassServerextendsThread...{

intserver_Port;

publicServer(intsp)...{
server_Port=sp;
}

publicvoidrun()...{
System.out.println("Aserverthreadisrunning...");
try...{
ServerSocketserverSocket=newServerSocket(server_Port);
System.out.println("ServerSocket="+serverSocket);

Socketsocket=serverSocket.accept();
System.out.println("Serverstart...");

System.out.println("Connectionaccepted,thesocketis"+socket);

BufferedReaderin=newBufferedReader(newInputStreamReader(socket
.getInputStream()));

PrintWriterout=newPrintWriter(newBufferedWriter(
newOutputStreamWriter(socket.getOutputStream())),true);

out.println("Hi,I'maserver...");

System.out.println("Readingtherequest...");
StringoutS="Thehttprequest:";
while(outS!=null)...{
System.out.println(outS=in.readLine());
}

out.close();
in.close();
socket.close();
serverSocket.close();
System.out.println("closing...");
}catch(IOExceptione)...{
e.printStackTrace();
}
}

publicstaticvoidmain(String[]args)...{
inti=0;
while(i<10)...{
//最多启用10线程
newServer(1986+i).run();
}

}
}