readthr.java

一个简单的点对点式的聊天

package dianduidian;

import java.awt.Point;
import java.io.BufferedReader;
import java.io.IOException;

import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/**
 * 读网络数据的
 * @author Administrator
 *
 */
public class ReadThr extends Thread {
	BufferedReader br;
	JScrollPane b;
	JTextArea ja;
  private boolean f=true;
	public ReadThr(BufferedReader br, JTextArea ja,JScrollPane a) {
		super();
		this.br = br;
		this.ja = ja;
		this.b=a;
	}


	public void run() {
String tem="";
		while(f){
			
	  try {
		tem=br.readLine(); // "\n" 表示行结束
	} catch (IOException e) {
		// TODO Auto-generated catch block
		ja.append(e+"\n");
	}
	  
	  ja.append(tem+"\n"); //填加
	  int height = 20;
		Point p = new Point();
		p.setLocation(0, ja.getLineCount() * height);
		b.getViewport().setViewPosition(p);
		
  }
    
	}

	public boolean isF() {
		return f;
	}

	public void setF(boolean f) {
		this.f = f;
	}
	
	
	
	
}