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基于javaweb+jsp的鲜花花卉销售管理系统

SDKB英文 2022-04-04 阅读 100
javawebjspmysqlservletssm

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

        }
        System.out.println(parameterName + "==" + str.trim());
        return str.trim();
    }
}
<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>


    //@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());
            ps.setString(6, vo.getUserText());
            ps.setString(7, vo.getUserType());
            ps.execute();
            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.dao.impl;

import com.demo.util.Util;
import com.demo.dao.FlowerDAO;
import com.demo.vo.Flower;


            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();
        }
    }


     * @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
     */

            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;

<jsp:include page="menu.jsp"/>
<div class="index-content">
    <div class="index-content-operation">
        <a class="info-detail">添加订购</a>
        <br>
        <br>
    </div>
    <br>
    <form action="DinggouServlet?action=add" method="post" onsubmit="return check()">
        <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=""/></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=""/></td>
            </tr>
            <tr>
                <td width="12%">电话：</td><td><input class="index-content-table-td-add" type="text" id="dinggouTel" name="dinggouTel" value=""/></td>

            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.util;

import java.sql.Connection;
import java.sql.DriverManager;
import java.text.SimpleDateFormat;

/**

            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_dinggou` where 1=1 " + condition + " order by id asc " + limit + ";";
                ps = c.prepareStatement(sqlList);
                rs = ps.executeQuery();
                while (rs.next()) {
                    Dinggou vo = new Dinggou();
                    vo.setId(rs.getLong("id"));
                    vo.setDinggouName(rs.getString("dinggou_name"));
                    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"));
                    list.add(vo);
                }
            String sqlCount = "select count(*) from `t_dinggou` where 1=1 " + condition;
            ps = c.prepareStatement(sqlCount);
            rs = ps.executeQuery();
            if (rs.next()) {

    </form>
</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("dinggouShouhuo").value.trim().length == 0) {
            alert("订购人不能为空!");
            return false;
        }
        if (document.getElementById("dinggouTel").value.trim().length == 0) {
            alert("电话不能为空!");

            }
            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.dao.impl;

import com.demo.util.Util;
import com.demo.dao.UserDAO;
import com.demo.vo.User;

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

        return vo;
    }

    //@Override
    public Map<String, Object> list(Map<String, Object> params) {
        List<User> 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;

        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) noticeService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("NoticeServlet");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("notice_list.jsp");
    }
}
package com.demo.dao.impl;

import com.demo.util.Util;
import com.demo.dao.DinggouDAO;

            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);
        } else if ("delete".equals(action)) {//删除
            //取出表要删除的用户记录的主键
            long id = Long.parseLong(Util.decode(request, "id"));
            UserService userService = new UserServiceImpl();
            //调用Service层删除方法（delete），将对应的记录删除
            userService.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User对象的属性里
            User vo = new User();
            vo.setId(Long.valueOf(Util.decode(request, "id")));
            vo.setUsername(Util.decode(request, "username"));

     * @param request
     * @param response
     * @throws ServletException
     * @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
     */

            e.printStackTrace();
            return false;
        }
    }

    //@Override
    public User get(Serializable id) {
        User vo = null;
        try {
            Connection c = Util.getConnection();
            Statement s = c.createStatement();
            String sql = "select * from `t_user` where id = " + id;
            ResultSet rs = s.executeQuery(sql);
            if (rs.next()) {
                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"));
            }

                        <input name="userType" type="radio" value="管理员" checked="checked"/>&nbsp;&nbsp;&nbsp;管理员&nbsp;&nbsp;&nbsp;&nbsp;
                        <input name="userType" type="radio" value="普通用户"/>&nbsp;&nbsp;&nbsp;普通用户&nbsp;&nbsp;&nbsp;&nbsp;
                </td>
            </tr>
        </table>
        <br>
        <br>
        <br>
        &nbsp;&nbsp;&nbsp;<button type="submit" class="btn btn-grad btn-primary btn-sm">提交</button>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<button type="button" class="btn btn-grad btn-default btn-sm" onclick="javascript:history.back(-1);">取消</button>
    </form>
</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("username").value.trim().length == 0) {
            alert("用户名不能为空!");
            return false;
        }

        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
        if (maxColor > 255)

            ps.setString(3, vo.getNoticeType());
            ps.setString(4, vo.getCreateDate());
            ps.execute();
            ps.close();
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //@Override
    public void update(Notice vo) {
        String sql = "update `t_notice` set `notice_name` = ? ,`notice_text` = ? ,`notice_type` = ? ,`create_date` = ?  where `id` = ?";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getNoticeName());
            ps.setString(2, vo.getNoticeText());


    //@Override
    public void add(Flower vo) {
        String sql = "insert into `t_flower` (`flower_name`,`flower_type`,`flower_price`,`flower_text`) values(?,?,?,?)";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getFlowerName());
            ps.setString(2, vo.getFlowerType());
            ps.setString(3, vo.getFlowerPrice());
            ps.setString(4, vo.getFlowerText());
            ps.execute();
            ps.close();
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //@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
     */
    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
        DinggouService dinggouService = new DinggouServiceImpl();
        Map<String, Object> map = dinggouService.list(params);

        }
    }

    /**
     * 处理Get请求
     *
     * @param request
     * @param response
     * @throws ServletException
     * @throws IOException
     */

        <br>
        <br>
        <br>
        &nbsp;&nbsp;&nbsp;<button type="submit" class="btn btn-grad btn-primary btn-sm">提交</button>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<button type="button" class="btn btn-grad btn-default btn-sm" onclick="javascript:history.back(-1);">取消</button>
    </form>
</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("username").value.trim().length == 0) {
            alert("用户名不能为空!");
            return false;
        }
        if (document.getElementById("password").value.trim().length == 0) {

            return false;
        }
    }

    //@Override
    public User get(Serializable id) {
        User vo = null;
        try {
            Connection c = Util.getConnection();
            Statement s = c.createStatement();
            String sql = "select * from `t_user` where id = " + id;
            ResultSet rs = s.executeQuery(sql);
            if (rs.next()) {
                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"));
            }
            c.close();

            vo.setFlowerType(Util.decode(request, "flowerType"));
            vo.setFlowerPrice(Util.decode(request, "flowerPrice"));
            vo.setFlowerText(Util.decode(request, "flowerText"));
            FlowerService flowerService = new FlowerServiceImpl();
            //调用Service层更新方法（update），更新记录
            flowerService.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
            FlowerService flowerService = new FlowerServiceImpl();
            Flower vo = flowerService.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("flower_" + to + ".jsp");
        } else {//默认去列表页面
            this.redirectList(request, response);
        }
    }

        </thead>
        <tbody>
        <c:forEach items="${list}" var="vo">
            <tr class="index-content-table-td">
                <td>${vo.dinggouName}</td>
                <td>${vo.dinggouShouhuo}</td>
                <td>${vo.dinggouTel}</td>
                <td>${vo.dinggouAdd}</td>
                <td>${vo.dinggouZhifufangshi}</td>
                <td>${vo.dinggouZhuangtai}</td>
                <td title="${vo.dinggouText}">
                <c:choose>
                    <c:when test="${fn:length(vo.dinggouText) > 19}">

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;

/**
 * 花卉模块的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FlowerService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("/FlowerServlet")
public class FlowerServlet extends HttpServlet {

    /**
     * 处理Post请求
     *
     * @param request

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、花卉模块、订购模块的增删改查管理

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document

↖[获取源码方式]见左侧

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