message.java

简单的聊天程序

import java.io.Serializable;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Message implements Serializable{
	protected String msg;
	protected String time;
	protected String sysMsg;
	public Message(String sys,String msg)
	{
		this.sysMsg = sys;
		this.msg = msg;
		this.time = this.getTime();
	}
	//记录时间
	private String getTime()
	{
		SimpleDateFormat df = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss");
		String s = df.format(new Date());
		return s+"\n";
	}
	public String toString()
	{
		return this.time+this.msg+"\n";
	}
	
	

}