UpdatePwdServlet

package com.neuedu.javaweb.chap02;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


import com.neuedu.pojo.User;
import com.neuedu.servlet.IUserservlet;
import com.neuedu.servlet.impl.UserservletImpl;

/**
 * Servlet implementation class UpdatePwdServlet
 */
@WebServlet("/updatePwdServlet")
public class UpdatePwdServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public UpdatePwdServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
     *  response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // TODO Auto-generated method stub
        // response.getWriter().append("Served at:
        // ").append(request.getContextPath());
        doPost(request, response);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
     *  response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // TODO Auto-generated method stub
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charest=UTF-8");
        String id = request.getParameter("id");
        String pwd = request.getParameter("password");
        String re_pwd = request.getParameter("re_pwd");

        IUserservlet login=new UserservletImpl();
        User user = new User();
        user.setId(Integer.parseInt(id));
        user.setPassword(pwd);
        String result;
        int i = login.updatePwdUser(user);
        if (i > 0) {
            if (pwd.equals(re_pwd)) {
                result = "修改成功";
                HttpSession session = request.getSession();
                User sessUser = (User) session.getAttribute("user");
                sessUser.setPassword(pwd);
                session.setAttribute("user", sessUser);
                request.setAttribute("result", result);

            } else {
                result = "修改失败";
                request.setAttribute("result", result);
            }
            
            request.getRequestDispatcher("/user/UpdatePwd.jsp").forward(request, response);
        }

    }

}