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基于javaweb+jsp的设备采购管理系统(JavaWeb MySQL JSP Bootstrap Servlet SSM SpringBoot)

夕颜合欢落 2022-04-13 阅读 75
javamysql

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

        //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
        NoticeService noticeService = new NoticeServiceImpl();
        Map<String, Object> map = noticeService.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
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());

            User vo = userService.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("user_" + to + ".jsp");
        } else {//默认去列表页面
            this.redirectList(request, response);
        }
    }

    /**
     * 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);//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
    }


            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;
            s.execute(sql);

        </thead>
        <tbody>
        <c:forEach items="${list}" var="vo">
            <tr class="index-content-table-td">
                <td>${vo.wupinName}</td>
                <td>${vo.wupinNo}</td>
                <td>${vo.wupinCount}</td>
                <td>${vo.wupinType}</td>
                <td>${vo.wupinGys}</td>
                <td>${vo.wupinGuige}</td>
                <td>${vo.wupinPrice}</td>
                <td title="${vo.wupinText}">
                <c:choose>
                    <c:when test="${fn:length(vo.wupinText) > 19}">
                        <c:out value="${fn:substring(vo.wupinText, 0, 19)}..."/>
                    </c:when>
                    <c:otherwise>
                        <c:out value="${vo.wupinText}"/>
                    </c:otherwise>
                </c:choose>
                </td>
                <td>
                    <button class="btn btn-line btn-rect btn-default btn-sm" style="padding: 0px 1px;" onclick="window.location.href='GoodServlet?action=get&id=${vo.id}'">详情</button>&nbsp;
                    <button class="btn btn-line btn-rect btn-primary btn-sm" style="padding: 0px 1px;"
                            <c:if test="${loginUser.userType != '管理员'}">disabled="disabled" title="没有权限！！！"</c:if>

            int charsLength = codeChars.length();
            //  下面三条记录是关闭客户端浏览器的缓冲区
            //  这三条语句都可以关闭浏览器的缓冲区，但是由于浏览器的版本不同，对这三条语句的支持也不同
            //  因此，为了保险起见，建议同时使用这三条语句来关闭浏览器的缓冲区
            response.setHeader("ragma", "No-cache");
            response.setHeader("Cache-Control", "no-cache");
            response.setDateHeader("Expires", 0);
            //  设置图形验证码的长和宽（图形的大小）
            int width = 90, height = 20;
            BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
            Graphics g = image.getGraphics();//  获得用于输出文字的Graphics对象
            Random random = new Random();
            g.setColor(getRandomColor(180, 250));// 随机设置要填充的颜色
            g.fillRect(0, 0, width, height);//  填充图形背景
            //  设置初始字体
            g.setFont(new Font("Times New Roman", Font.ITALIC, height));
            g.setColor(getRandomColor(120, 180));// 随机设置字体颜色
            //  用于保存最后随机生成的验证码
            StringBuilder validationCode = new StringBuilder();

                <td width="12%">手机：</td><td><input class="index-content-table-td-add" type="text" id="userPhone" name="userPhone" value="${vo.userPhone}"/></td>
            </tr>
            <tr>
                <td width="12%">备注：</td><td><textarea id="userText" name="userText" style="width: 60%; height: 100px;padding: 0px 17px;" placeholder="请输入内容......">${vo.userText}</textarea></td>
            </tr>
            <tr>
                <td width="12%">类型：</td>
                <td>
                   <input <c:if test="${loginUser.userType != '管理员'}">disabled="disabled" title="没有权限！！！"</c:if> name="userType" type="radio" value="管理员" ${vo.userType=='管理员'?'checked':''}/>&nbsp;&nbsp;&nbsp;管理员&nbsp;&nbsp;&nbsp;&nbsp;
                   <input name="userType" type="radio" value="普通用户" ${vo.userType=='普通用户'?'checked':''}/>&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-line btn-rect btn-default btn-sm">提交</button>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<button type="button" class="btn btn-line btn-rect btn-default btn-sm" onclick="javascript:history.back(-1);">取消</button>
    </form>
</div>

        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);
        } 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);

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 公告模块的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NoticeService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("/NoticeServlet")
public class NoticeServlet extends HttpServlet {

    /**
     * 处理Post请求
     *
     * @param request
     * @param response
     * @throws ServletException
     * @throws IOException
     */
    @Override

        if ("add".equals(action)) {//增加
            Gys vo = new Gys();
            //取出页面传进来的各个数据，并设置到Gys对象的属性里
            vo.setGysNo(Util.decode(request, "gysNo"));
            vo.setGysName(Util.decode(request, "gysName"));
            vo.setGysContact(Util.decode(request, "gysContact"));
            vo.setGysPhone(Util.decode(request, "gysPhone"));
            vo.setGysText(Util.decode(request, "gysText"));
            GysService gysService = new GysServiceImpl();
            //调用Service层增加方法（add），增加记录
            gysService.add(vo);
            this.redirectList(request, response);
        } else if ("delete".equals(action)) {//删除
            //取出表要删除的供应商记录的主键
            long id = Long.parseLong(Util.decode(request, "id"));
            GysService gysService = new GysServiceImpl();

     */
    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
        GoodService goodService = new GoodServiceImpl();
        Map<String, Object> map = goodService.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
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) goodService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("GoodServlet");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

    //@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"));

    //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) {
            alert("密码不能为空!");
            return false;
        }
        if (document.getElementById("realName").value.trim().length == 0) {
            alert("姓名不能为空!");
            return false;
        }

        try {
            Connection c = Util.getConnection();
            Statement s = c.createStatement();
            String sql = "select * from `t_caigou` where id = " + id;
            ResultSet rs = s.executeQuery(sql);
            if (rs.next()) {
                vo = new Caigou();
                vo.setId(rs.getLong("id"));
                vo.setCaigouName(rs.getString("caigou_name"));
                vo.setCaigouType(rs.getString("caigou_type"));
                vo.setCaigouCount(rs.getString("caigou_count"));
                vo.setCaigouDate(rs.getString("caigou_date"));
                vo.setCaigouText(rs.getString("caigou_text"));
            }
            c.close();
        } catch (Exception e) {
            e.printStackTrace();

            alert("供应商不能为空!");
            return false;
        }
        if (document.getElementById("wupinGuige").value.trim().length == 0) {
            alert("规格不能为空!");
            return false;
        }
        if (document.getElementById("wupinPrice").value.trim().length == 0) {
            alert("采购价不能为空!");
            return false;
        }
        return true;
    }
</script>
</html>
<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <title>添加用户</title>
    <link rel="stylesheet" type="text/css" href="css/index.css"/>
</head>
<body>
<jsp:include page="menu.jsp"/>
<div class="index-content">
    <div class="index-content-operation">
        <a class="info-detail">添加用户</a>
        <br>
        <br>
    </div>
    <br>
    <form action="UserServlet?action=add" method="post" onsubmit="return check()">
        <table class="index-content-table-add">
            <tr>
                <td width="12%">用户名：</td><td><input class="index-content-table-td-add" type="text" id="username" name="username" value=""/></td>
            </tr>
            <tr>
                <td width="12%">密码：</td><td><input class="index-content-table-td-add" type="text" id="password" name="password" value=""/></td>
            </tr>
            <tr>
                <td width="12%">姓名：</td><td><input class="index-content-table-td-add" type="text" id="realName" name="realName" value=""/></td>
            </tr>

package com.demo.servlet;

import com.demo.util.Util;
import com.demo.service.NoticeService;
import com.demo.service.impl.NoticeServiceImpl;
import com.demo.vo.Notice;
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;

/**
 * 公告模块的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NoticeService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

        <br>
    </div>
    <br>
    <form action="GoodServlet?action=edit" method="post" onsubmit="return check()">
        <input type="hidden" id="id" name="id" value="${vo.id}"/>
        
        <table class="index-content-table-add">
            <tr>
                <td width="12%">名称：</td><td><input class="index-content-table-td-add" type="text" id="wupinName" name="wupinName" value="${vo.wupinName}"/></td>
            </tr>
            <tr>
                <td width="12%">编号：</td><td><input class="index-content-table-td-add" type="text" id="wupinNo" name="wupinNo" value="${vo.wupinNo}"/></td>
            </tr>
            <tr>
                <td width="12%">数量：</td><td><input class="index-content-table-td-add" type="text" id="wupinCount" name="wupinCount" value="${vo.wupinCount}"/></td>
            </tr>
            <tr>
                <td width="12%">类别：</td><td><input class="index-content-table-td-add" type="text" id="wupinType" name="wupinType" value="${vo.wupinType}"/></td>

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 用户模块的DAO层（数据层）的具体实现类，对UserDAO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 UserDAOImpl implements UserDAO {

    //@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());

                    Caigou vo = new Caigou();
                    vo.setId(rs.getLong("id"));
                    vo.setCaigouName(rs.getString("caigou_name"));
                    vo.setCaigouType(rs.getString("caigou_type"));
                    vo.setCaigouCount(rs.getString("caigou_count"));
                    vo.setCaigouDate(rs.getString("caigou_date"));
                    vo.setCaigouText(rs.getString("caigou_text"));
                    list.add(vo);
                }
            String sqlCount = "select count(*) from `t_caigou` 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();
        }
        Map<String, Object> result = new HashMap();

            maxColor = 255;
        //  获得红色的随机颜色值
        int red = minColor + random.nextInt(maxColor - minColor);
        //  获得绿色的随机颜色值
        int green = minColor + random.nextInt(maxColor - minColor);
        //  获得蓝色的随机颜色值
        int blue = minColor + random.nextInt(maxColor - minColor);
        return new Color(red, green, blue);
    }
}
package com.demo.servlet;

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;

/**

        } catch (Exception e) {
            e.printStackTrace();
        }
        Map<String, Object> result = new HashMap();
        result.put("list", list);
        result.put("totalCount", totalCount);
        return result;
    }
}
<%@ 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"/>
    <title>修改物资</title>
    <link rel="stylesheet" type="text/css" href="css/index.css"/>
</head>
<body>
<jsp:include page="menu.jsp"/>
<div class="index-content">
    <div class="index-content-operation">
        <a class="info-detail">修改物资</a>

    public boolean delete(long id) {
        try {
            Connection c = Util.getConnection();
            Statement s = c.createStatement();
            String sql = "delete from `t_gys` where id = " + id;
            s.execute(sql);
            s.close();
            c.close();
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    //@Override

            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getWupinName());
            ps.setString(2, vo.getWupinNo());
            ps.setString(3, vo.getWupinCount());
            ps.setString(4, vo.getWupinType());
            ps.setString(5, vo.getWupinGys());
            ps.setString(6, vo.getWupinGuige());
            ps.setString(7, vo.getWupinPrice());
            ps.setString(8, vo.getWupinText());
            ps.execute();
            ps.close();
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

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、供应商模块、物资模块、采购模块的增删改查管理

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document

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