实习15

JSP用户修改界面实战

最新推荐文章于 2025-04-24 17:31:42 发布

原创最新推荐文章于 2025-04-24 17:31:42 发布 · 154 阅读

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#实习15

实习15
修改
代码结构
在这里插入图片描述
增加代码
upUser.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8" isELIgnored="false"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<html>
<head>
    <title>修改用户</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- 引入 Bootstrap -->
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
    <div class="row clearfix">
        <div class="col-md-12 column">
            <div class="page-header">
                <h1>
                    基于servlet+jsp框架的管理系统：简单实现增、删、改、查。
                </h1>
            </div>
        </div>
    </div>

    <div class="row clearfix">
        <div class="col-md-12 column">
            <div class="page-header">
                <h1>
                    <small>修改用户</small>
                </h1>
            </div>
        </div>
    </div>
    <form action="/up"
              method="post">
        <input type="hidden" name="id" value="${user.id}"><br><br><br>
        用户姓名：<input type="text" name="username" value="${user.zh}"><br><br><br>
        用户密码：<input type="text" name="password" value="${user.mm}"><br><br><br>
        <input type="submit" value="修改" >
    </form>

</div>

UpServlet

package com.zhongruan.servlet;

import com.zhongruan.service.UserService;
import com.zhongruan.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class UpServlet extends HttpServlet {
    UserService userService=new UserServiceImpl();

    @Override
    protected void doPost(HttpServletRequest requst, HttpServletResponse respost) throws ServletException, IOException {
        Integer id= Integer.valueOf(requst.getParameter("id"));
        String username=requst.getParameter("username");
        String password=requst.getParameter("password");
        userService.xg(id,username,password);
        requst.getRequestDispatcher("/find").forward(requst,respost);
    }
}