userservlet.java

MyEclipse下写的基于JSP/Servlet的小型用户管理系统

package servlet;

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

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

import daopkg.IUserDAO;
import daopkg.impl.UserDAOImpl;

import vopkg.UserVO;

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 {
        //1.设置编码格式utf-8(jsp页面要保持一致的编码)
		response.setContentType("text/html");
		response.setCharacterEncoding("utf-8");
		request.setCharacterEncoding("utf-8");
		//2.获取数据
		String name=request.getParameter("name");
		String password=request.getParameter("password");
		String sex=request.getParameter("sex");
		String dept=request.getParameter("dept");
		String fav=request.getParameter("fav");
		String tel=request.getParameter("tel");
		Date regdate = new Date();
		
		//3.封装获取的数据到VO中
		UserVO  userVO = new UserVO(); 
		userVO.setName(name);
		userVO.setPassword(password);
		userVO.setSex(sex);
		userVO.setDept(dept);
		userVO.setFav(fav);
		userVO.setTel(tel);
		userVO.setRegdate(regdate);
		
	   //4.调用DAO
		IUserDAO  userDAO = new UserDAOImpl();
		boolean flag = userDAO.checkUserName(userVO);
		if(userVO.VOempty()){
			flag = true;
		}
		if(flag == false){
			response.sendRedirect(request.getContextPath()+"/regSucess.jsp");
			userDAO.regUser(userVO);		
		}
		else{
			response.sendRedirect(request.getContextPath()+"/regError.jsp");
		}
	}

}