helloservice.java

dwr3第一个学习例子

package demo.hello;

import javax.servlet.http.HttpServletRequest;

/**
 * <p>第一个DWR3基本实例</p>
 * <ul>
 * <li>配置web.xml</li>
 * <li>配置dwr.xml</li>
 * <li>编写业务类service</li>
 * <li>callback数据</li>
 * </ul>
 * @author 刘光辉
 * @version 2009.01.03
 */
public class HelloService {

	public String sayHello(String yourName)
	{
		
		return "你好," + yourName;
	}
	
	public String userInfo(String username, HttpServletRequest request)
	{
		// 这里取会话(HttpSession)的id为用户id 
		User user = new User(request.getSession().getId(), username);

		return "用户信息："+user;
	}
}