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);
}
}