基于javaweb+jsp的甜品店奶茶店管理系统

JavaWeb JavaBean JSP MVC MySQL Tomcat JavaScript Bootstrap.

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

            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    //@Override
    public Good get(Serializable id) {
        Good vo = null;
        try {
            Connection c = Util.getConnection();
            Statement s = c.createStatement();
            String sql = "select * from `t_good` where id = " + id;
            ResultSet rs = s.executeQuery(sql);
            if (rs.next()) {
                vo = new Good();
                vo.setId(rs.getLong("id"));
                vo.setGoodName(rs.getString("good_name"));
                vo.setGoodText(rs.getString("good_text"));
                vo.setGoodJiage(rs.getString("good_jiage"));
                vo.setGoodLeimu(rs.getString("good_leimu"));

            }
            rs.close();
            ps.close();
            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.servlet;

import com.demo.util.Util;
import com.demo.service.UserService;
import com.demo.service.impl.UserServiceImpl;
import com.demo.vo.User;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;

            ps.setString(4, vo.getDinggouTel());
            ps.setString(5, vo.getDinggouAdd());
            ps.setString(6, vo.getDinggouZhifufangshi());
            ps.setString(7, vo.getDinggouZhuangtai());
            ps.setString(8, vo.getDinggouText());
            ps.execute();
            ps.close();
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //@Override
    public void update(Dinggou vo) {
        String sql = "update `t_dinggou` set `dinggou_name` = ? ,`dinggou_xiangqing` = ? ,`dinggou_shouhuo` = ? ,`dinggou_tel` = ? ,`dinggou_add` = ? ,`dinggou_zhifufangshi` = ? ,`dinggou_zhuangtai` = ? ,`dinggou_text` = ?  where `id` = ?";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            

            <th>用户名</th>
            <th>姓名</th>
            <th>性别</th>
            <th>手机</th>
            <th>备注</th>
            <th>类型</th>
            <th>操作</th>
        </tr>
        </thead>
        <tbody>
        <c:forEach items="${list}" var="vo">
            <tr class="index-content-table-td">
                <td>${vo.username}</td>
                <td>${vo.realName}</td>
                <td>${vo.userSex}</td>
                <td>${vo.userPhone}</td>
                <td title="${vo.userText}">
                <c:choose>

                vo.setDinggouShouhuo(rs.getString("dinggou_shouhuo"));
                vo.setDinggouTel(rs.getString("dinggou_tel"));
                vo.setDinggouAdd(rs.getString("dinggou_add"));
                vo.setDinggouZhifufangshi(rs.getString("dinggou_zhifufangshi"));
                vo.setDinggouZhuangtai(rs.getString("dinggou_zhuangtai"));
                vo.setDinggouText(rs.getString("dinggou_text"));
            }
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return vo;
    }

    //@Override
    public Map<String, Object> list(Map<String, Object> params) {
        List<Dinggou> list = new ArrayList();
        int totalCount = 0;

            GoodService goodService = new GoodServiceImpl();
            //调用Service层更新方法（update），更新记录
            goodService.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
            GoodService goodService = new GoodServiceImpl();
            Good vo = goodService.get(id);
            request.getSession().setAttribute("vo", vo);
            String to = "get".equalsIgnoreCase(action) ? "info" : "edit";//判断是去详情显示页面还是编辑页面
            response.sendRedirect("good_" + to + ".jsp");
        } else {//默认去列表页面
            this.redirectList(request, response);
        }
    }

            }
            rs.close();
            ps.close();
            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.servlet;

import com.demo.util.Util;
import com.demo.service.UserService;
import com.demo.service.impl.UserServiceImpl;
import com.demo.vo.User;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;

        }
    }

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

                validationCode.append(codeChar);
                //  随机设置当前验证码字符的颜色
                g.setColor(getRandomColor(10, 100));
                //  在图形上输出验证码字符，x和y都是随机生成的
                g.drawString(String.valueOf(codeChar), 16 * i + random.nextInt(7), height - random.nextInt(6));
            }
            HttpSession session = request.getSession();
            session.setMaxInactiveInterval(5 * 60);
            //  将验证码保存在session对象中，key为validation_code
            session.setAttribute("validationCode", validationCode.toString());
            g.dispose();//  关闭Graphics对象
            OutputStream os = response.getOutputStream();
            ImageIO.write(image, "JPEG", os);// 以JPEG格式向客户端发送图形验证码
        } else if ("resetPassword".equalsIgnoreCase(action)) {
            String msg;
            User loginUser = (User) request.getSession().getAttribute("loginUser");

    private static boolean isChinese(char c) {
        Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
        return (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
                || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
                || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
                || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
                || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
                || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS);
    }

    /**
     * 判断字符串是否是乱码
     *
     * @param strName
     * @return
     */
    public static boolean isMessyCode(String strName) {
        java.util.regex.Pattern p = java.util.regex.Pattern.compile("\\s*|\t*|\r*|\n*");
        java.util.regex.Matcher m = p.matcher(strName);
        String after = m.replaceAll("");
        String temp = after.replaceAll("\\p{P}", "");
        char[] ch = temp.trim().toCharArray();
        float chLength = 0;
        float count = 0;

    }

    /**
     * 处理Get请求
     *
     * @param request
     * @param response
     * @throws ServletException
     * @throws IOException
     */
    @Override
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);
    }

    // 返回一个随机颜色（Color对象）
    private Color getRandomColor(int minColor, int maxColor) {
        Random random = new Random();
        // 保存minColor最大不会超过255
        if (minColor > 255)
            minColor = 255;
        //  保存minColor最大不会超过255

     * @throws IOException
     */
    @Override
    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
     */

        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());

        return DriverManager.getConnection(DBURL, DBUSER, PASSWORD);
    }
    /**
     * 测试连接是否成功
     *
     * @param args
     * @throws Exception
     */
    public static void main(String[] args) {
        try {
            Connection conn = Util.getConnection();
            System.out.println("数据库连接成功！！！");
            conn.close();
        } catch (Exception e) {
            e.printStackTrace();

import com.demo.util.Util;
import com.demo.service.GoodService;
import com.demo.service.impl.GoodServiceImpl;
import com.demo.vo.Good;
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 java.util.List;
import java.util.Map;

/**
 * 商品模块的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GoodService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("/GoodServlet")

        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_user` where 1=1 " + condition + " order by id asc " + limit + ";";
                ps = c.prepareStatement(sqlList);
                rs = ps.executeQuery();
                while (rs.next()) {
                    User vo = new User();
                    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"));

<div class="index-content">
    <div class="index-content-operation">
        <a class="info-detail">订购管理</a>
        <br>
        <br>
    </div>
    <br>
    <div class="index-content-operation">
        <button class="btn btn-pill btn-grad btn-success btn-sm" <c:if test="${loginUser.userType != '管理员'}">disabled="disabled" title="没有权限！！！"</c:if> οnclick="window.location.href='dinggou_add.jsp'">添加</button>
        <div class="index-content-operation-search"><input id="search_keyword" placeholder="商品" type="text" name="search_keyword"/><input type="hidden" id="searchColumn" name="searchColumn" value="dinggou_name"/><button class="btn btn-pill btn-grad btn-warning btn-sm" onclick="searchList()">搜索</button></div>
    </div>
    <br>
    <table class="table table-striped table-hover table-bordered">
        <thead>
        <tr class="index-content-table-th">
            <th>商品</th>
            <th>商品详情</th>
            <th>订购人</th>
            <th>电话</th>
            <th>地址</th>
            <th>支付方式</th>
            <th>状态</th>

                    </c:when>
                    <c:otherwise>
                        <c:out value="${vo.userText}"/>
                    </c:otherwise>
                </c:choose>
                </td>
                <td>${vo.userType}</td>
                <td>
                    <button class="btn btn-pill btn-grad btn-primary btn-sm" style="padding: 0px 1px;" onclick="window.location.href='UserServlet?action=get&id=${vo.id}'">详情</button>&nbsp;
                    <button class="btn btn-pill btn-grad btn-warning btn-sm" style="padding: 0px 1px;"
                            <c:if test="${loginUser.userType != '管理员' && vo.id != loginUser.id}">disabled="disabled" title="没有权限！！！"</c:if>
                    οnclick="window.location.href='UserServlet?action=editPre&id=${vo.id}'">编辑</button>&nbsp;
                    <button class="btn btn-pill btn-grad btn-default btn-sm" style="padding: 0px 1px;" <c:if test="${loginUser.userType != '管理员'}">disabled="disabled" title="没有权限！！！"</c:if> οnclick="if(window.confirm('将要删除：${vo.realName}？'))window.location.href='UserServlet?action=delete&id=${vo.id}'">删除</button>
                </td>
            </tr>
        </c:forEach>
        </tbody>
    </table>
    <div style="float: right;padding-right: 10px;color: #515151;"><jsp:include page="split.jsp"/></div>
</div>

            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return vo;
    }

    //@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") : "";

            return false;
        }
        if (document.getElementById("dinggouTel").value.trim().length == 0) {
            alert("电话不能为空!");
            return false;
        }
        if (document.getElementById("dinggouAdd").value.trim().length == 0) {
            alert("地址不能为空!");
            return false;
        }
        return true;

        <input type="hidden" id="id" name="id" value="${vo.id}"/>
        
        <table class="index-content-table-add">
            <tr>
                <td width="12%">商品：</td><td><input class="index-content-table-td-add" type="text" id="dinggouName" name="dinggouName" value="${vo.dinggouName}"/></td>
            </tr>
            <tr>
                <td width="12%">商品详情：</td><td><input class="index-content-table-td-add" type="text" id="dinggouXiangqing" name="dinggouXiangqing" value="${vo.dinggouXiangqing}"/></td>
            </tr>
            <tr>
                <td width="12%">订购人：</td><td><input class="index-content-table-td-add" type="text" id="dinggouShouhuo" name="dinggouShouhuo" value="${vo.dinggouShouhuo}"/></td>
            </tr>
            <tr>
                <td width="12%">电话：</td><td><input class="index-content-table-td-add" type="text" id="dinggouTel" name="dinggouTel" value="${vo.dinggouTel}"/></td>

            //取出表要删除的订购记录的主键
            long id = Long.parseLong(Util.decode(request, "id"));
            DinggouService dinggouService = new DinggouServiceImpl();
            //调用Service层删除方法（delete），将对应的记录删除
            dinggouService.delete(id);
            this.redirectList(request, response);
        } else if ("edit".equals(action)) {//修改
            //取出页面传进来的各个数据，并设置到Dinggou对象的属性里
            Dinggou vo = new Dinggou();
            vo.setId(Long.valueOf(Util.decode(request, "id")));
            vo.setDinggouName(Util.decode(request, "dinggouName"));
            vo.setDinggouXiangqing(Util.decode(request, "dinggouXiangqing"));
            vo.setDinggouShouhuo(Util.decode(request, "dinggouShouhuo"));
            vo.setDinggouTel(Util.decode(request, "dinggouTel"));
            vo.setDinggouAdd(Util.decode(request, "dinggouAdd"));
            vo.setDinggouZhifufangshi(Util.decode(request, "dinggouZhifufangshi"));
            vo.setDinggouZhuangtai(Util.decode(request, "dinggouZhuangtai"));
            vo.setDinggouText(Util.decode(request, "dinggouText"));
            DinggouService dinggouService = new DinggouServiceImpl();
            //调用Service层更新方法（update），更新记录

</div>

</body>
<script type="text/javascript">
    //提交之前进行检查，如果return false，则不允许提交
    function check() {
        //根据ID获取值
        if (document.getElementById("dinggouName").value.trim().length == 0) {
            alert("商品不能为空!");
            return false;
        }
        if (document.getElementById("dinggouXiangqing").value.trim().length == 0) {
            alert("商品详情不能为空!");
            return false;
        }
        if (document.getElementById("dinggouShouhuo").value.trim().length == 0) {
            alert("订购人不能为空!");

        try {
            if (isMessyCode(str)) {
                str = new String(str.getBytes("ISO-8859-1"), "UTF-8");
            }
            if (isMessyCode(str)) {
                str = new String(str.getBytes("GB2312"), "UTF-8");
            }
            if (isMessyCode(str)) {
                str = new String(str.getBytes("GBK"), "UTF-8");
            }
            if (isMessyCode(str)) {
                str = new String(str.getBytes("UTF-8"), "ISO-8859-1");
            }
            if (isMessyCode(str)) {
                str = new String(str.getBytes("GB2312"), "ISO-8859-1");
            }
            if (isMessyCode(str)) {
                str = new String(str.getBytes("GBK"), "ISO-8859-1");
            }
            if (isMessyCode(str)) {
                str = new String(str.getBytes("UTF-8"), "GB2312");
            }
            if (isMessyCode(str)) {

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.Serializable;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 商品模块的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GoodService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("/GoodServlet")
public class GoodServlet extends HttpServlet {

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.

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、订购模块、商品模块的增删改查管理

↖[获取源码方式]见左侧