基于javaweb+jsp的幼儿园管理系统

JavaWeb JavaBean JSP MVC MySQL Tomcat JavaScript Bootstrap Ajax

基础JSP+Servlet或JSP+SSM(Spring、SpringMVC、MyBatis)框架或JSP+SSM+Maven(pom.xml)框架或SpringBoot…均可

开发工具：eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

            </div>
			
            <div class="loginBtn">
                <button type="submit" class=" btn btn-line btn-rect btn-warning loginBtn">登录</button>
            </div>
            <br>
            <br>
        </form>
    </div>
</div>
</body>
<script type="text/javascript">
    //提交之前进行检查，如果return false，则不允许提交

                        <tr>
                <td>${vo.username}</td>
                <td>${vo.realName}</td>
                <td>${vo.userSex}</td>
                <td>${vo.userPhone}</td>
                <td title="${vo.userText}">
                <c:choose>
                    <c:when test="${fn:length(vo.userText) > 19}">
                        <c:out value="${fn:substring(vo.userText, 0, 19)}..."/>
                    </c:when>
                    <c:otherwise>
                        <c:out value="${vo.userText}"/>
                    </c:otherwise>
                </c:choose>
                </td>
                <td>${vo.userType}</td>
                            <th style="text-align: center;">

    <div class="loginBox">
        <form class="form-horizontal" action="AuthServlet?action=login" method="post" onsubmit="return check()" style="background-color: #ffffffe0;border-radius: 20px;">
            <div class="loginLabel"><label style="text-align: center;font-size: 40px;padding-top:40px;font-weight: 700;color:#000000;text-shadow: 2px 3px #FFFFFF;">幼儿园管理系统</label></div>
            <br>
            <a href="#" style="font-size: 24px;color: #269abc;text-decoration: none;padding-left: 140px;">登录</a>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp<a href="register.jsp" style="font-size: 24px;color:black ;text-decoration: none;">注册</a>
            <br>
            <br>
            <div class="form-group" style="margin-top: 20px;">
                <label for="username" class="col-sm-3 control-label">账号</label>
                <div class="col-sm-7">
                    <input type="text" class="form-control" id="username" name="username" placeholder="请输入您的账号" >
                </div>
            </div>
            <div class="form-group">
                <label for="password" class="col-sm-3 control-label">密码</label>
                <div class="col-sm-7">
                    <input type="password" class="form-control" id="password" name="password" placeholder="请输入您的密码" >
                </div>
            </div>
			
            <div class="form-group">

            <form action="JiaocaiServlet" onsubmit="return addCheck()">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal"
                            aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                    <h4 class="modal-title" id="myModalLabel">增加教材</h4>
                </div>
                <div class="modal-body">
                    <div class="form-group hidden">
                        <label class="control-label">(hidden)</label>
                        <input type="text" class="form-control" name="action" value="add">
                    </div>

            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        Map<String, Object> result = new HashMap();
        result.put("list", list);
        result.put("totalCount", totalCount);
        return result;
    }
}
package com.demo.dao.impl;

import com.demo.util.Util;
import com.demo.dao.BanjiDAO;
import com.demo.vo.Banji;

import java.io.Serializable;
import java.sql.Connection;

                        <span aria-hidden="true">&times;</span>
                    </button>
                    <h4 class="modal-title">删除用户</h4>
                </div>
                <div class="modal-body">
                    确认要删除该用户记录吗？
                    <div class="form-group hidden">
                        <label class="control-label">(hidden)</label>
                        <input type="hidden" class="form-control" name="action" value="delete">
                        <input type="text" class="form-control" name="id" id="delete-id">
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-line btn-rect btn-success" data-dismiss="modal">取消</button>
                    <button type="submit" class="btn btn-line btn-rect btn-danger">删除</button>
                </div>
            </form>
        </div>
    </div>
</div>

        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("user_list.jsp");
    }
}
package com.demo.servlet;

import com.demo.util.Util;
import com.demo.service.BanjiService;
import com.demo.service.impl.BanjiServiceImpl;
import com.demo.vo.Banji;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.Serializable;
import java.util.HashMap;

import com.demo.vo.User;

import javax.imageio.ImageIO;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

//@WebServlet("/AuthServlet")
public class AuthServlet extends HttpServlet {
    @Override
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //过滤编码
        request.setCharacterEncoding("UTF-8");

    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = Util.decode(request, "searchColumn");
        String keyword = Util.decode(request, "keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword);//查询的关键字
        JiaocaiService jiaocaiService = new JiaocaiServiceImpl();
        Map<String, Object> map = jiaocaiService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = Util.decode(request, "pageNum");//封装分页参数

                    vo.setId(rs.getLong("id"));
                    vo.setUsername(rs.getString("username"));
                    vo.setPassword(rs.getString("password"));
                    vo.setRealName(rs.getString("real_name"));
                    vo.setUserSex(rs.getString("user_sex"));
                    vo.setUserPhone(rs.getString("user_phone"));
                    vo.setUserText(rs.getString("user_text"));
                    vo.setUserType(rs.getString("user_type"));
                    list.add(vo);
                }
            String sqlCount = "select count(*) from `t_user` where 1=1 " + condition;
            ps = c.prepareStatement(sqlCount);
            rs = ps.executeQuery();
            if (rs.next()) {
                totalCount = rs.getInt(1);
            }
            rs.close();
            ps.close();
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

                userService.update(loginUser);
                msg = "修改成功！";
            }
            request.getSession().setAttribute("alert_msg", msg);
            request.getRequestDispatcher("reset_password.jsp").forward(request, response);
        } else {
            response.sendRedirect("login.jsp");
        }
    }

    /**
     * 处理Get请求
     *
     * @param request
     * @param response

                                        data-id="${vo.id}"
                                        data-toggle="modal" data-target="#modal-edit">编辑
                                </button>
                                <button class="btn btn-line btn-rect btn-danger btn-sm" <c:if test="${loginUser.userType != '管理员'}">disabled="disabled" title="没有权限！！！"</c:if> data-id="${vo.id}"
                                        data-toggle="modal" data-target="#modal-delete">删除
                                </button>
                            </th>
                        </tr>
                    </c:forEach>
                    </tbody>
                </table>
            </div>
            <div style="float: right;padding-right: 10px;color: #515151;"><jsp:include page="split.jsp"/></div>
        </div>
    </div>
</div>

<!-- add -->
<div class="modal fade" id="modal-add" tabindex="-1" role="dialog"
     aria-labelledby="myModalLabel">

    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);//Get请求和Post请求的处理是一样的，所以把request、response转交给Post方法就好
    }

    /**
     * 根据参数，查询出条例条件的记录集合，最后将数据返回给调用处或者将数据集合设置到session域里，再跳转到对应的列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = Util.decode(request, "searchColumn");
        String keyword = Util.decode(request, "keyword");

            return false;
        }
    }

    //@Override
    public Jiaocai get(Serializable id) {
        Jiaocai vo = null;
        try {
            Connection c = Util.getConnection();
            Statement s = c.createStatement();
            String sql = "select * from `t_jiaocai` where id = " + id;
            ResultSet rs = s.executeQuery(sql);
            if (rs.next()) {
                vo = new Jiaocai();
                vo.setId(rs.getLong("id"));
                vo.setJiaocaiName(rs.getString("jiaocai_name"));
                vo.setJiaocaiZuoze(rs.getString("jiaocai_zuoze"));
                vo.setJiaocaiChubanshe(rs.getString("jiaocai_chubanshe"));
                vo.setJiaocaiNianji(rs.getString("jiaocai_nianji"));
                vo.setJiaocaiDingjia(rs.getString("jiaocai_dingjia"));
                vo.setJiaocaiGuoshen(rs.getString("jiaocai_guoshen"));
                vo.setJiaocaiText(rs.getString("jiaocai_text"));
            }
            c.close();

    //@Override
    public void add(User vo) {
        String sql = "insert into `t_user` (`username`,`password`,`real_name`,`user_sex`,`user_phone`,`user_text`,`user_type`) values(?,?,?,?,?,?,?)";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getUsername());
            ps.setString(2, vo.getPassword());
            ps.setString(3, vo.getRealName());
            ps.setString(4, vo.getUserSex());
            ps.setString(5, vo.getUserPhone());

        <div class="modal-content">
            <form action="UserServlet">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                    <h4 class="modal-title">删除用户</h4>
                </div>
                <div class="modal-body">
                    确认要删除该用户记录吗？
                    <div class="form-group hidden">
                        <label class="control-label">(hidden)</label>
                        <input type="hidden" class="form-control" name="action" value="delete">
                        <input type="text" class="form-control" name="id" id="delete-id">
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-line btn-rect btn-success" data-dismiss="modal">取消</button>

                            }
                        };
                        modal.find('#edit-userPhone').val(vo.userPhone);
                        modal.find('#edit-userText').val(vo.userText);
                        for (let val of "管理员/普通用户".split('/')) {
                            if (val == vo.userType) {
                                modal.find('#edit-userType_' + vo.userType).prop("checked", true);
                            } else {
                                modal.find('#edit-userType_' + vo.userType).removeAttr("checked");
                            }
                        };
            }

 * 用户模块的Servlet控制层，负责接收页面传过来的请求参数，根据action参数的值来确定页面要执行的具体操作<br>
 * 而后再调用UserService业务层的方法来处理具体的业务，最后将处理完成的结果返回或跳转至相应页面
 */
//@WebServlet("/UserServlet")
public class UserServlet extends HttpServlet {

    /**
     * 处理Post请求
     *
     * @param request
     * @param response
     * @throws ServletException
     * @throws IOException
     */
    @Override
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //过滤编码
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        String action = Util.decode(request, "action");
        if ("add".equals(action)) {//增加
            User vo = new User();

            ps.setString(3, vo.getRealName());
            ps.setString(4, vo.getUserSex());
            ps.setString(5, vo.getUserPhone());
            ps.setString(6, vo.getUserText());
            ps.setString(7, vo.getUserType());
            ps.setLong(8, vo.getId());
            ps.execute();
            ps.close();
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //@Override
    public boolean delete(long id) {
        try {
            Connection c = Util.getConnection();
            Statement s = c.createStatement();
            String sql = "delete from `t_user` where id = " + id;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 班级模块的DAO层（数据层）的具体实现类，对BanjiDAO接口中定义的增删改查等抽象方法作出具体的功能实现
 */
public class BanjiDAOImpl implements BanjiDAO {

    //@Override
    public void add(Banji vo) {
        String sql = "insert into `t_banji` (`banji_name`,`banji_rensu`,`banji_zhuren`,`banji_sex`,`banji_tel`,`banji_text`) values(?,?,?,?,?,?)";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getBanjiName());

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //@Override
    public void update(User vo) {
        String sql = "update `t_user` set `username` = ? ,`password` = ? ,`real_name` = ? ,`user_sex` = ? ,`user_phone` = ? ,`user_text` = ? ,`user_type` = ?  where `id` = ?";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getUsername());
            ps.setString(2, vo.getPassword());
            ps.setString(3, vo.getRealName());
            ps.setString(4, vo.getUserSex());
            ps.setString(5, vo.getUserPhone());
            ps.setString(6, vo.getUserText());
            ps.setString(7, vo.getUserType());
            ps.setLong(8, vo.getId());

                        <input type="text" class="form-control" name="action" value="add">
                    </div>
                    <div class="form-group">
                        <label for="add-username" class="control-label">用户名:</label>
                        <input type="text" class="form-control" name="username" id="add-username">
                    </div>
                    <div class="form-group">
                        <label for="add-password" class="control-label">密码:</label>
                        <input type="text" class="form-control" name="password" id="add-password">
                    </div>
                    <div class="form-group">

    //@Override
    public Map<String, Object> list(Map<String, Object> params) {
        List<Notice> list = new ArrayList();
        int totalCount = 0;
        String condition = "";
        String sqlList;
        if (params.get("searchColumn") != null && !"".equals(params.get("searchColumn"))) {
            condition += " and `" + params.get("searchColumn") + "` like '%" + params.get("keyword") + "%'";
        }
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps;
            ResultSet rs;
            String limit = (params.get("startIndex") != null && params.get("pageSize") != null) ? " limit " + params.get("startIndex") + "," + params.get("pageSize") : "";
                sqlList = "select * from `t_notice` where 1=1 " + condition + " order by id asc " + limit + ";";

            vo.setPassword(Util.decode(request, "password"));
            vo.setRealName(Util.decode(request, "realName"));
            vo.setUserSex(Util.decode(request, "userSex"));
            vo.setUserPhone(Util.decode(request, "userPhone"));
            vo.setUserText(Util.decode(request, "userText"));
            vo.setUserType(Util.decode(request, "userType"));
            UserService userService = new UserServiceImpl();
            //调用Service层更新方法（update），更新记录
            userService.update(vo);
            this.redirectList(request, response);
        } else if ("get".equalsIgnoreCase(action) || "editPre".equalsIgnoreCase(action)) {//根据主键ID，查询详情信息并跳转到详情页面或编辑页面
            Serializable id = Util.decode(request, "id");//取出页面传入的主键，用于查询详情
            UserService userService = new UserServiceImpl();
            User vo = userService.get(id);
            response.getWriter().println(com.alibaba.fastjson.JSONObject.toJSONString(vo));

                    <div class="form-group">
                        <label class="control-label">性别:</label>
                               <input name="banjiSex" id="edit-banjiSex_男" type="radio" value="男"/>男
                               <input name="banjiSex" id="edit-banjiSex_女" type="radio" value="女"/>女
                    </div>
                    <div class="form-group">
                        <label for="edit-banjiTel" class="control-label">电话:</label>
                        <input type="text" class="form-control" name="banjiTel" id="edit-banjiTel">
                    </div>
                    <div class="form-group">
                        <label for="edit-banjiText" class="control-label">备注:</label>
                        <textarea style="height: 100px;" class="form-control" name="banjiText" id="edit-banjiText"></textarea>
                    </div>
                    <div class="form-group hidden">
                        <label for="edit-createTime" class="control-label">创建时间:</label>
                        <input type="text" class="form-control" name="createTime" id="edit-createTime">
                    </div>

    @Override
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //过滤编码
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        String action = Util.decode(request, "action");
        if ("add".equals(action)) {//增加
            User vo = new User();
            //取出页面传进来的各个数据，并设置到User对象的属性里
            vo.setUsername(Util.decode(request, "username"));
            vo.setPassword(Util.decode(request, "password"));
            vo.setRealName(Util.decode(request, "realName"));
            vo.setUserSex(Util.decode(request, "userSex"));
            vo.setUserPhone(Util.decode(request, "userPhone"));
            vo.setUserText(Util.decode(request, "userText"));
            vo.setUserType(Util.decode(request, "userType"));
            UserService userService = new UserServiceImpl();
            //调用Service层增加方法（add），增加记录
            userService.add(vo);
            this.redirectList(request, response);

运行环境

Java≥6、Tomcat≥7.0、MySQL≥5.5

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

技术框架

JavaWeb JavaBean JSP MVC MySQL Tomcat JavaScript Bootstrap Ajax

基础JSP+Servlet或JSP+SSM(Spring、SpringMVC、MyBatis)框架或JSP+SSM+Maven(pom.xml)框架或SpringBoot…均可

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

登录、注册、退出、用户模块、公告模块、班级模块、教材模块的增删改查管理

↖[获取源码方式]见左侧