这是一个简单的基于Ajax和DWR实现的无刷新在线实时聊天程序

				package com.lan.Forum;
				
				import java.util.Date;
				
				public class Forumbean {
				
					private String username="";
					private String content="";
					private String datetime=null;
					public String getContent() {
						return content;
					}
					public void setContent(String content) {
						this.content = content;
					}
					public String getDatetime() {
						return datetime;
					}
					public void setDatetime(String datetime) {
						this.datetime = datetime;
					}
					public String getUsername() {
						return username;
					}
					public void setUsername(String username) {
						this.username = username;
					}
				}