userservlet.java

使用JAVA图形用户界面设计的简单的地址管理系统附带数据库

package com.huade.address.user.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.common.BaseServlet;
import com.huade.address.linkmen.dto.UserinfoDto;
import com.huade.address.user.service.UserService;
import com.huade.address.user.service.impl.UserServiceImpl;

public class UserServlet extends HttpServlet
{

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException
	{

		this.doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException
	{

		response.setContentType("text/html");
		UserServiceImpl  userService = new UserService();
		UserinfoDto userinfoDto = new UserinfoDto();
		//区分请求类型
		String action  = request.getParameter("act").trim()==null?"":request.getParameter("act").trim();
		String  url= "";
		//接受页面传来的参数
		String userId   = request.getParameter("userId")==null?"0":request.getParameter("userId").trim();
		String userAccount =request.getParameter("userAccount")==null?"":request.getParameter("userAccount").trim();
		String userPwd  = request.getParameter("userPwd")==null?"":request.getParameter("userPwd").trim();
		String userName  = request.getParameter("userName")==null?"":request.getParameter("userName").trim();
		String userSex = request.getParameter("userSex")==null?"0":request.getParameter("userSex").trim();
		String userAge = request.getParameter("userAge")==null?"1":request.getParameter("userAge").trim();
		String userTel = request.getParameter("userTel")==null?"":request.getParameter("userTel").trim();
		String userEmail =request.getParameter("userEmail")==null?"":request.getParameter("userEmail").trim();
		String userAddress =request.getParameter("userAddress")==null?"":request.getParameter("userAddress").trim();
		String userState = request.getParameter("userState")==null?"0":request.getParameter("userState").trim();
		//把参数封装到 javabean --->UserinfoDto
		userinfoDto.setUserAccount(userAccount);
		userinfoDto.setUserAddress(userAddress);
		userinfoDto.setUserAge(Integer.parseInt(userAge));
		userinfoDto.setUserEmail(userEmail);
		userinfoDto.setUserId(userId);
		userinfoDto.setUserName(userName);
		userinfoDto.setUserPwd(userPwd);
		userinfoDto.setUserSex(Integer.parseInt(userSex));
		userinfoDto.setUserState(Integer.parseInt(userState));
		userinfoDto.setUserTel(userTel);
		
		if("save".equals(action))
		{
			userService.saveUser(userinfoDto);
			url= "/login.jsp";
			
		}
		if("query".equals(action))
		{
			List<UserinfoDto> userList  = userService.getAllUser();
			request.setAttribute("alluser", userList);
			url = "/address/userlist.jsp";
		}
		if("getUserById".equals(action))
		{
			UserinfoDto userDto =userService.getUserinfoById(userId);
			request.setAttribute("userdto", userDto);
			url = "/usermodify.jsp";	
		}
		if("modifyuser".equals(action))
		{
			userService.modifyUser(userinfoDto);
			List<UserinfoDto> userList  = userService.getAllUser();
			request.setAttribute("alluser", userList);
			url = "/userlist.jsp";		
		}
		if("deluser".equals(action))
		{
			userService.deleteUser(userId);
			List<UserinfoDto> userList  = userService.getAllUser();
			request.setAttribute("alluser", userList);
			url = "/userlist.jsp";	
		}
		BaseServlet.forward(request, response, url);
		
	}

}