期末考试题解8

合集 - 2024寒假(22)
1.2024秋期末考试2.《构建之法》阅读笔记——13.期末考试题解14.期末考试题解25.期末考试题解36.期末考试题解47.期末考试题解58.期末考试题解69.期末考试题解7
10.期末考试题解8
11.期末考试题解9（总结）12.《构建之法》阅读笔记——213.寒假web开发114.寒假web开发215.寒假web开发316.寒假web开发417.寒假web开发518.寒假web开发619.寒假web开发720.寒假web开发821.《构建之法》阅读笔记——322.jsp+Mybatis+Mysql web开发制作模板
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Fen

点击查看代码 
package com.QixunQiu.web;

import com.QixunQiu.pojo.Report;
import com.QixunQiu.service.ReportService;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.*;
import java.io.IOException;

@WebServlet("/Fen")
public class Fen extends HttpServlet {
    private ReportService reportService = new ReportService();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        int id = Integer.parseInt(request.getParameter("id"));
        Report report=reportService.selectID(id);
        String dailyscore=request.getParameter("dailyscore");
        String Statereason=request.getParameter("Statereason");
        request.setAttribute("dailyscore",dailyscore);
        request.setAttribute("Statereason",Statereason);
        reportService.Fen(report);
    }

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

toFen

点击查看代码 
package com.QixunQiu.web;

import com.QixunQiu.pojo.Report;
import com.QixunQiu.service.ReportService;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.*;
import java.io.IOException;

@WebServlet("/toFen")
public class toFen extends HttpServlet {
    private ReportService reportService = new ReportService();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        int ID = Integer.parseInt(request.getParameter("id"));
        Report report= reportService.selectID(ID);
        HttpSession session = request.getSession();
        session.setAttribute("report", report);
        request.getRequestDispatcher("/fen.jsp").forward(request,response);
    }

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

fen.jsp

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

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>修改报告</title>
</head>
<body>
<h2>修改报告</h2>
<form action="${pageContext.request.contextPath}/Fen" method="post">

    <%--隐藏域,提交id--%>
    <input type="hidden" name="id" value="${report.getID()}">

    <label for="dailyscore">分数:</label><br>
    <input type="number" id="dailyscore" name="dailyscore"><br>

        <label for="Statereason">内容:</label><br>
        <input type="text" id="Statereason" name="Statereason" required><br>

    <div class="buttons">
        <input value="修改报告" type="submit" id="add_btn">
    </div>
    <br class="clear">
</form>

</body>
</html>

SelectAllUser

点击查看代码 
package com.QixunQiu.web;

import com.QixunQiu.pojo.User;
import com.QixunQiu.service.UserService;

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

@WebServlet("/SelectAllUser")
public class SelectAllUser extends HttpServlet {
    private UserService userService = new UserService();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        List<User> users = userService.selectAllUser();
        HttpSession session = request.getSession();
        session.setAttribute("user", users);
        request.getRequestDispatcher("/printfUser.jsp").forward(request,response);
    }

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

printfUser.jsp

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

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        function Back() {
            window.location.href = "index.jsp";
        }
    </script>
</head>
<body>
<hr>
<table border="1" cellspacing="0" width="80%">
    <tr>
        <th>序号</th>
        <th>用户ID</th>
        <th>用户名</th>
        <th>密码</th>
        <th>操作</th>


    </tr>

    <c:forEach items="${user}" var="user" varStatus="status">
        <tr align="center">
            <td>${status.count}</td>
            <td>${user.getUserID()}</td>
            <td>${user.getUsername()}</td>
            <td>${user.getPassword()}</td>
            <td><a href="${pageContext.request.contextPath}/rePasswordServlet?UserID=${user.getUserID()}">重置密码</a>
                <a href="${pageContext.request.contextPath}/deleteUserServlet?UserID=${user.getUserID()}">删除</a>
            </td>
        </tr>

    </c:forEach>
</table>

<button onclick="Back()">返回首页</button>

</body>
</html>

SelectUser.jsp

点击查看代码 
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>查询用户</title>
</head>
<body>
<h2>查询课程</h2>
<form id="search-form" action="${pageContext.request.contextPath}/SelectByUserIDServlet" method="post">
    ID：<input name="UserID" type="text" id="UserID" ><br>

    <div class="buttons">
        <input value="查询课程" type="submit" id="add_btn">
    </div>
    <br class="clear">
</form>

</body>
</html>

deleteUserServlet

点击查看代码 
package com.QixunQiu.web;

import com.QixunQiu.service.UserService;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.*;
import java.io.IOException;

@WebServlet("/deleteUserServlet")
public class deleteUserServlet extends HttpServlet {
    private UserService Userservice= new UserService();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        String UserID = request.getParameter("UserID");
        Userservice.deleteUser(UserID);
    }

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