本帖最后由 HM汪磊 于 2013-4-10 12:42 编辑
为什么如下程序编译时提醒:进行语法分析时已到达文件结尾。
import java.io.*;
import java.net.*;
class TClient
{
public static void main(String[] args) throws Exception
{
Socket s=new Socket("127.0.0.1",10002);
BufferedReader bufr=
new BufferedReader(new InputStreamReader(System.in));
PrintWriter out=new PrintWriter(s.getOutputStream(),true);
BufferedReader bufIn=
new BufferedReader(new InputStreamReader(s.getInputStream()));
for(int x=0;x<3;x++)
{
String line=bufr.readLine();
if(line==null)
break;
out.println(line);
String info=bufIn.readLine();
System.out.println("info:"+info);
if(info.contains("欢迎"))
break;
}
bufr.close();
s.close();
}
class UserThread implements Runnable
{
private Socket s;
UserThread(Socket s)
{
this.s=s;
}
public void run()
{
String ip = s.getInetAddress().getHostAddress();
System.out.println(ip+"....connected");
try
{
for(int x=0;x<3;x++)
{
//获取客户端发过来的用户名
BufferedReader bufIn=
new BufferedReader(new InputStreamReader(s.getInputStream()));
String name=bufIn.readLine();
BufferedReader bufr=
new BufferedReader(new FileReader("1.txt"));
PrintWriter out=new PrintWriter(s.getOutputStream(),true);
String line=null;
boolean flag=false;
while((line=bufr.readLine())!=null)
{
if(line.equals(name))
{
flag=true;
break;//用户存在就结束查找
}
}
if(flag)
{
System.out.println(name+",已登录");
out.println(name+",欢迎光临");
break;
}
else
{
System.out.println(name+",尝试登录");
out.println(name+",用户名不存在");
}
}
s.close();
}
catch (Exception e)
{
throw new RuntimeException(ip+"校验失败");
}
}
}
class TServer
{
public static void main(String[] args) throws Exception
{
ServerSocket ss=new ServerSocket(10002);
while(true)
{
new Thread(new UserThread(s)).start();
}
}
}
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