/* wrnet.java
连接到网络服务器上并发送数据
随后接收服务器发送来的数据，并将其原样输出到屏幕上
使用方法：java wrnet dns port
例：java wrnet web.domain.cn 80
*/

import java.io.*;
import java.net.*;

public class wrnet
{
public static void main(string[] args)
{
byte[] buff = new byte[1024];
socket wrsocket = null;
inputstream instr = null;
outputstream outstr = null;
boolean cont = true;

try
{
wrsocket = new socket(args[0], integer.parseint(args[1]));
instr = wrsocket.getinputstream();
outstr = wrsocket.getoutputstream();
}
catch (exception e)
{
system.err.println("网络错误");
system.exit(1);
}

while (cont)
{
try
{
int n = system.in.read(buff);
// system.out.write(buff, 0, n);
if (buff[0] == ´#´)
{
cont = false;
}
else
{
outstr.write(buff, 0, n);
}
}
catch (exception e)
{
system.exit(1);
}
}

cont = true;
while (cont)
{
try
{
int n = instr.read(buff);
system.out.write(buff, 0, n);
}
catch (exception e)
{
cont = false;
}
}

try
{
instr.close();
}
catch (exception e)
{
system.err.println("网络错误");
system.exit(1);
}
}
}