getmsgaction.java

用ExtJS做的一个网页聊天工具

package com.shyhao.qq.action;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.shyhao.qq.service.DBService;

public class GetMsgAction extends Action {

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String toUserName=request.getParameter("toUserName");
		DBService dbService=new DBService();
		String msgattr=dbService.getMsg(toUserName);
		try {
			response.setCharacterEncoding("UTF-8");
			response.getWriter().write(msgattr);
		} catch (IOException e) {
			
			e.printStackTrace();
		}
		
		
		return null;
	}
}