考试完整版（12）个人密码修改 - 椰糖

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1. 今日总结（页面，算法实现）(1)

Pupdate.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<script src="//code.jquery.com/jquery-1.9.1.min.js"></script>
<html>
<head>
  <title>修改密码</title>
</head>
<body>
<form action="Pupdate" method="post" id="form">
  <%
    String data1=request.getParameter("data1");
    data1=new String(data1.getBytes("iso-8859-1"),"gb2312");
    request.setAttribute("data1",data1);
  %>
  <input type="hidden" name="data1" value="${data1}">
  旧密码<br><input  name="data2" value=""><br>
  新密码<br><input  name="data3" value=""><br>
  再次输入新密码<br><input name="data4" value=""><br>
  <input type="submit" value="修改">
</form>
</body>
</html>

Pupdate

package com.yetang.web;

import com.yetang.pojo.User01;
import com.yetang.service.UserService;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Objects;

@WebServlet("/Pupdate")
public class Pupdate extends HttpServlet {
    private UserService service = new UserService();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=UTF-8");
        String data1 = request.getParameter("data1");//id
        String data2 = request.getParameter("data2");//旧密码
        String data3 = request.getParameter("data3");//新密码
        String data4 = request.getParameter("data4");//确认新密码
        request.setAttribute("data1",data1);
        User01 user01 = service.select1B1(data1);
        if(Objects.equals(user01.getData9(), data2)&& Objects.equals(data3, data4)) {
            user01.setData9(data3);
            service.update1B1(user01);
        }else {
            String mistake = "1";
            request.setAttribute("mistake",mistake);
        }
        request.getRequestDispatcher("/S.jsp").forward(request, response);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doGet(request, response);
    }
}