service.java

DWR注册程序 AJAX无刷新状态验证用户

package com.crystal.struts;
import com.crystal.hibernate.UserManager;

public class Service {
	

	public String sayHello(String aaa) 
	{
		UserManager um=new UserManager();
		if(um.getUser(aaa)==1)
		{
			return "您输入的用户名已被注册";
		}
		return "您输入的用户名未注册";
	}
}