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电子商城项目开发（后台功能模块开发）

程序员文章站 2022-07-07 19:18:39
后台登陆页login.php

后台登陆页login.php

电子商城项目开发（后台功能模块开发）

    <?php
    //1.连接数据库 （创建一个数据库，创建数据表 test_admin）
    //id, adminuser, adminpass, created_at, login_at, login_ip
    require '../db.func.php';
    require '../tools.func.php';
    // post提交
    if (!empty($_post['adminuser'])) {
      //2.查询用户名和密码是否正确 adminuser adminpass
        $prefix = getdbprefix();
        $adminuser = htmlentities($_post['adminuser']);
        $adminpass = md5(htmlentities($_post['adminpass']));
        $sql = "select id, adminuser from {$prefix}admin 
                        where adminuser = '$adminuser' 
                        and adminpass = '$adminpass'";

        $res = queryone($sql);
        if ($res) {
        //3.写入session
            setsession('admin',
                ['adminuser' => $adminuser, 'id' => $res['id']]
            );
            $login_at = date('y-m-d h:i:s');
            $ip = $_server['remote_addr'] == '::1' ? '127.0.0.1' : $_server['remote_addr'];
            $login_ip = ip2long($ip);
            $sql = "update {$prefix}admin 
                            set login_at = '$login_at', login_ip = '$login_ip' 
                            where id = '{$res['id']}'";
            execute($sql);
        //4.跳转到index.php
            header('location: index.php');
        } else {
            setinfo('用户名或者密码错误');
        }
    }

    ?>
    <!doctype html>
    <html>

    <head>
      <title>商城</title>
      <!-- required meta tags -->
      <meta charset="utf-8">
      <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" />
      <meta http-equiv="x-ua-compatible" content="ie=edge,chrome=1" />
      <!--     fonts and icons     -->
      <link rel="stylesheet" type="text/css" href="assets/css/googlefonts.css?family=roboto:300,400,500,700|roboto+slab:400,700|material+icons" />
      <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/latest/css/font-awesome.min.css">
      <!-- material kit css -->
      <link href="assets/css/material-dashboard.css?v=2.1.1" rel="stylesheet" />
    </head>

    <body>
      <div class="wrapper ">
        <div>
          <div>
            <div class="container" style="width: 50%;margin-top: 250px;">
              <div class="row">
                <div class="col-md-12">
                  <div class="col-md-12">
                    <div class="card">

                      <div class="card-header card-header-primary">
                        <h4 class="card-title">登录</h4>
                        <p class="card-category">以管理员身份登录后台</p>
                      </div>
                      <div class="card-body">
                          <p><?php if (hasinfo()) echo getinfo(); ?></p>
                        <form action="login.php" method="post">
                          <div class="row">
                            <div class="col-md-12">
                              <div class="form-group">
                                <label class="bmd-label-floating">用户名</label>
                                <input type="text" name="adminuser" class="form-control">
                              </div>
                            </div>
                          </div>
                          <div class="row">
                            <div class="col-md-12">
                              <div class="form-group">
                                <label class="bmd-label-floating">密码</label>
                                <input type="password" name="adminpass" class="form-control">
                              </div>
                            </div>
                          </div>
                          <button type="submit" class="btn btn-primary pull-right">登录</button>
                          <div class="clearfix"></div>
                        </form>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <script src="assets/js/core/jquery.min.js"></script>
      <script src="assets/js/core/popper.min.js"></script>
      <script src="assets/js/core/bootstrap-material-design.min.js"></script>
    </body>

    </html>

数据库结构shop.sql

    /*
     navicat premium data transfer

     source server         : 127.0.0.1
     source server type    : mysql
     source server version : 80012
     source host           : localhost:3306
     source schema         : shop

     target server type    : mysql
     target server version : 80012
     file encoding         : 65001

     date: 26/01/2019 10:13:57
    */

    set names utf8mb4;
    set foreign_key_checks = 0;

    -- ----------------------------
    -- table structure for test_admin
    -- ----------------------------
    drop table if exists `test_admin`;
    create table `test_admin` (
      `id` int(10) unsigned not null auto_increment,
      `adminuser` varchar(50) not null default '',
      `adminpass` char(32) not null default '',
      `created_at` varchar(255) not null default '',
      `login_at` varchar(255) not null default '' ,
      `login_ip` bigint(20) not null default '0',
      primary key (`id`)
    ) engine=innodb auto_increment=2 default charset=utf8;

    -- ----------------------------
    -- records of test_admin
    -- ----------------------------
    begin;
    insert into `test_admin` values (1, 'admin', '0192023a7bbd73250516f069df18b500', '2019-01-23 20:21:03', '2019-01-24 12:56:48', 2130706433);
    commit;

    -- ----------------------------
    -- table structure for test_cart
    -- ----------------------------
    drop table if exists `test_cart`;
    create table `test_cart` (
      `id` int(10) unsigned not null auto_increment,
      `price` decimal(10,2) unsigned not null default '0.00',
      `quantity` int(10) unsigned not null default '0',
      `products` text,
      `uid` int(10) unsigned not null default '0',
      `created_at` varchar(255) not null default '' ,
      primary key (`id`)
    ) engine=innodb auto_increment=3 default charset=utf8;

    -- ----------------------------
    -- records of test_cart
    -- ----------------------------
    begin;
    insert into `test_cart` values (2, 21700.00, 3, '{\"3\":{\"quantity\":2,\"product\":{\"id\":\"3\",\"name\":\"macbook pro\",\"price\":\"8800.00\",\"code\":\"88888888\",\"description\":\"macbook pro\"}},\"4\":{\"quantity\":1,\"product\":{\"id\":\"4\",\"name\":\"\\u534e\\u4e3a\\u624b\\u673a\",\"price\":\"4100.00\",\"code\":\"929868123123123\",\"description\":\"\\u5546\\u54c1\\u63cf\\u8ff0\\uff1a\\r\\n\\r\\n\\u8fd9\\u662f\\u534e\\u4e3a\\u624b\\u673a\"}}}', 5, '2019-01-24 10:53:24');
    commit;

    -- ----------------------------
    -- table structure for test_order
    -- ----------------------------
    drop table if exists `test_order`;
    create table `test_order` (
      `id` int(10) unsigned not null auto_increment,
      `price` decimal(10,2) unsigned not null default '0.00',
      `quantity` int(10) unsigned not null default '0',
      `products` text,
      `uid` int(10) unsigned not null default '0',
      `created_at` varchar(255) not null default '' ,
      primary key (`id`)
    ) engine=innodb auto_increment=2 default charset=utf8;

    -- ----------------------------
    -- records of test_order
    -- ----------------------------
    begin;
    insert into `test_order` values (1, 17600.00, 2, '{\"3\":{\"quantity\":2,\"product\":{\"id\":\"3\",\"name\":\"macbook pro\",\"price\":\"8800.00\",\"code\":\"88888888\",\"description\":\"macbook pro\"}}}', 5, '2019-01-24 12:46:33');
    commit;

    -- ----------------------------
    -- table structure for test_product
    -- ----------------------------
    drop table if exists `test_product`;
    create table `test_product` (
      `id` int(10) unsigned not null auto_increment,
      `name` varchar(200) not null default '',
      `code` varchar(100) not null default '',
      `description` text,
      `stock` int(10) unsigned not null default '0',
      `price` decimal(10,2) unsigned not null default '0.00',
     `created_at` varchar(255) not null default '' ,
      primary key (`id`)
    ) engine=innodb auto_increment=5 default charset=utf8;

    -- ----------------------------
    -- records of test_product
    -- ----------------------------
    begin;
    insert into `test_product` values (3, 'macbook pro', '88888888', 'macbook pro', 99, 8800.00, '2019-01-24 00:19:28');
    insert into `test_product` values (4, '华为手机', '929868123123123', '商品描述：\r\n\r\n这是华为手机', 99, 4100.00, '2019-01-24 00:31:28');
    commit;

    -- ----------------------------
    -- table structure for test_user
    -- ----------------------------
    drop table if exists `test_user`;
    create table `test_user` (
      `id` int(10) unsigned not null auto_increment,
      `username` varchar(100) not null default '',
      `password` char(32) not null default '',
      `name` varchar(100) not null default '',
      `age` tinyint(3) unsigned not null default '0',
      `email` varchar(100) not null default '',
      `phone` varchar(20) not null default '',
     `created_at` varchar(255) not null default '' ,
      primary key (`id`)
    ) engine=innodb auto_increment=6 default charset=utf8;

    -- ----------------------------
    -- records of test_user
    -- ----------------------------
    begin;
    insert into `test_user` values (3, 'zhangsan', '4297f44b13955235245b2497399d7a93', '张三', 28, '965794175@qq.com', '13200000000', '2019-01-23 23:54:34');
    insert into `test_user` values (4, 'wangwu', '4297f44b13955235245b2497399d7a93', '', 0, 'wangwu@test.com', '', '2019-01-24 09:21:45');
    insert into `test_user` values (5, 'zhaoliu', '4297f44b13955235245b2497399d7a93', '', 0, 'zhaoliu@test.com', '', '2019-01-24 09:35:05');
    commit;

    set foreign_key_checks = 1;

配置数据库文件config.php

    <?php
    /**
     * created by phpstorm.
     * date: 2019/1/23
     * time: 20:22
     */
    date_default_timezone_set('prc');
    return [
        'db_host' => '127.0.0.1',
        'db_port' => '3306',
        'db_user' => 'root',
        'db_pass' => '123456',
        'db_name' => 'test_shop',
        'db_prefix' => 'test_',
        'db_charset' => 'utf8',
    ];

操作数据库函数db.func.php

    <?php

    function connect()
    {
        $config = require dirname(__file__) . '/config.php';
        $mysqli = @mysqli_connect(
            $config['db_host'] . ':' . $config['db_port'],
            $config['db_user'],
            $config['db_pass'],
            $config['db_name']
        ) or die('connect error: ' . mysqli_connect_errno() . '-' . mysqli_connect_error());
        mysqli_set_charset($mysqli, $config['db_charset']);
        return $mysqli;
    }

    function queryone($sql)
    {
        $mysqli = connect();
        $result = mysqli_query($mysqli, $sql);
        $data = [];
        if ($result && mysqli_num_rows($result) > 0) {
            $data = mysqli_fetch_assoc($result);
        }
        return $data;
    }

    function query($sql)
    {
        $mysqli = connect();
        $result = mysqli_query($mysqli, $sql);
        $data = [];
        if ($result && mysqli_num_rows($result) > 0) {
            while ($res = mysqli_fetch_assoc($result)) {
                $data[] = $res;
            }
        }
        return $data;
    }

    function getdbprefix()
    {
        $config = require dirname(__file__) . '/config.php';
        return $config['db_prefix'];
    }

    function execute($sql)
    {
        $mysqli = connect();
        mysqli_query($mysqli, $sql);
        return mysqli_affected_rows($mysqli) > 0;
    }

公共函数文件tools.func.php

    <?php
    /**
     * created by phpstorm.
     * date: 2019/1/23
     * time: 20:31
     */

    function setsession($key, $data, $prefix = '')
    {
        session_id() || @session_start();
        if (!empty($prefix)) {
            $_session[$prefix][$key] = $data;
        } else {
            $_session[$key] = $data;
        }
    }

    function getsession($key, $prefix = '')
    {
        session_id() || @session_start();
        if (!empty($prefix)) {
            return isset($_session[$prefix][$key]) ? $_session[$prefix][$key] : [];
        } else {
            return isset($_session[$key]) ? $_session[$key] : [];
        }
    }

    function deletesession($key, $prefix = '')
    {
        session_id() || @session_start();
        if (!empty($prefix)) {
            $_session[$prefix][$key] = null;
        } else {
            $_session[$key] = null;
        }
    }

    function setinfo($info)
    {
        setsession('info', $info, 'system');
    }

    function getinfo()
    {
       $info = getsession('info', 'system');
       deletesession('info', 'system');
       return $info;
    }

    function hasinfo()
    {
       return !empty(getsession('info', 'system'));
    }

判断是否有登陆权限auth.php

    <?php
    /**
     * created by phpstorm.
     * date: 2019/1/23
     * time: 22:07
     */

    if (empty(getsession('adminuser', 'admin'))) {
        header('location: login.php');
        exit;
    }

登陆成功后进入后台首页index.php

    <?php
    require '../db.func.php';
    require '../tools.func.php';
    require 'auth.php';
    //1.查询数据库 test_admin
    //2.写sql语句
    $prefix = getdbprefix();
    $sql = "select id,adminuser,created_at,login_at,login_ip 
                    from {$prefix}admin order by created_at desc";
    $data = query($sql);
    //3.遍历数据

    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <h4 class="card-title ">所有管理员</h4>
                    <p class="card-category"> 控制台所有管理员列表</p>
                </div>
                <div class="card-body">
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead class=" text-primary">
                            <th>
                                id
                            </th>
                            <th>
                                用户名
                            </th>
                            <th>
                                创建时间
                            </th>
                            <th>
                                最后登录时间
                            </th>
                            <th>
                                最后登录ip
                            </th>
                            </thead>
                            <tbody>
                            <?php foreach ($data as $admin): ?>
                            <tr>
                                <td>
                                    <?php echo $admin['id']; ?>
                                </td>
                                <td>
                    <?php echo $admin['adminuser']; ?>
                                </td>
                                <td>
                    <?php echo $admin['created_at']; ?>
                                </td>
                                <td>
                    <?php echo $admin['login_at']; ?>
                                </td>
                                <td>
                    <?php echo long2ip($admin['login_ip']); ?>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <?php
    require 'footer.php';
    ?>

header.php

    <?php
    $script = basename($_server['script_filename']);
    // 控制台 index.php admin_edit.php
    // 用户管理 users.php user_add.php user_edit.php
    // 商品管理 products.php product_add.php product_edit.php
    ?>
    <!doctype html>
    <html>

    <head>
        <title>商城</title>
        <!-- required meta tags -->
        <meta charset="utf-8">
        <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"/>
        <meta http-equiv="x-ua-compatible" content="ie=edge,chrome=1"/>
        <!--     fonts and icons     -->
        <link rel="stylesheet" type="text/css"
              href="assets/css/googlefonts.css?family=roboto:300,400,500,700|roboto+slab:400,700|material+icons"/>
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/latest/css/font-awesome.min.css">
        <!-- material kit css -->
        <link href="assets/css/material-dashboard.css?v=2.1.1" rel="stylesheet"/>
    </head>

    <body>
    <div class="wrapper ">
        <div class="sidebar" data-color="purple" data-background-color="white">
            <div class="logo">
                <a href="index.php" class="simple-text logo-normal">
                    商城
                </a>
            </div>
            <div class="sidebar-wrapper">
                <ul class="nav">
                    <li class="nav-item <?php echo substr($script, 0, 5) == 'index' || substr($script, 0, 5) == 'admin' ? 'active' : ''; ?>">
                        <a class="nav-link" href="index.php">
                            <i class="material-icons">dashboard</i>
                            <p>控制台</p>
                        </a>
                    </li>
                    <li class="nav-item <?php echo substr($script, 0, 4) == 'user' ? 'active' : ''; ?>">
                        <a class="nav-link" href="users.php">
                            <i class="material-icons">person</i>
                            <p>用户管理</p>
                        </a>
                    </li>
                    <li class="nav-item <?php echo substr($script, 0, 7) == 'product' ? 'active' : ''; ?>">
                        <a class="nav-link" href="products.php">
                            <i class="material-icons">library_books</i>
                            <p>商品管理</p>
                        </a>
                    </li>
                    <li class="nav-item <?php echo substr($script, 0, 4) == 'cart' ? 'active' : ''; ?>">
                        <a class="nav-link" href="carts.php">
                            <i class="material-icons">shopping_cart</i>
                            <p>购物车管理</p>
                        </a>
                    </li>
                    <li class="nav-item <?php echo substr($script, 0, 5) == 'order' ? 'active' : ''; ?>">
                        <a class="nav-link" href="orders.php">
                            <i class="material-icons">list</i>
                            <p>订单管理</p>
                        </a>
                    </li>
                    <!-- your sidebar here -->
                </ul>
            </div>
        </div>
        <div class="main-panel">
            <!-- navbar -->
            <nav class="navbar navbar-expand-lg navbar-transparent navbar-absolute fixed-top ">
                <div class="container-fluid">
                    <div class="navbar-wrapper">
                        <a class="navbar-brand" href="index.php">控制台</a>
                    </div>
                    <div class="collapse navbar-collapse justify-content-end">
                        <ul class="navbar-nav">
                            <li class="nav-item dropdown">
                                <a class="nav-link" href="#" id="navbardropdownprofile" data-toggle="dropdown" aria-haspopup="true"
                                   aria-expanded="false">
                                    <i class="material-icons">person</i>
                                    <p class="d-lg-none d-md-block">
                                        管理员
                                    </p>
                                </a>
                                <div class="dropdown-menu dropdown-menu-right" aria-labelledby="navbardropdownprofile">
                                    <a class="dropdown-item" href="admin_edit.php">编辑</a>
                                    <div class="dropdown-divider"></div>
                                    <a class="dropdown-item" href="logout.php">退出</a>
                                </div>
                            </li>
                            <!-- your navbar here -->
                        </ul>
                    </div>
                </div>
            </nav>
            <!-- end navbar -->
            <div class="content">
                <div class="container-fluid">

footer.php

    </div>
    </div>
    </div>
    </div>
    <script src="assets/js/core/jquery.min.js"></script>
    <script src="assets/js/core/popper.min.js"></script>
    <script src="assets/js/core/bootstrap-material-design.min.js"></script>
    </body>

    </html>

管理员账号密码修改admin_edit.php

电子商城项目开发（后台功能模块开发）

    <?php
    require '../tools.func.php';
    require 'auth.php';
    require '../db.func.php';
    $current_user = getsession('admin');

    //1.判断是否为post提交
    if (!empty($_post['adminpass'])) {
      //2.验证新密码和确认密码是否一致
        $adminpass = md5(htmlentities($_post['adminpass']));
        $newpass = htmlentities($_post['newpass']);
        $confirmpass = htmlentities($_post['confirmpass']);
        if ($newpass != $confirmpass) {
            setinfo('两次密码输入不一致');
        } else {
        //3.验证旧密码是否正确 （查询数据库 用id，adminpass）
        $prefix = getdbprefix();
        $sql = "select id from {$prefix}admin 
                    where id = '{$current_user['id']}' 
                    and adminpass = '$adminpass'
                    ";
        $res = queryone($sql);
        //4.更新数据表 imooc_admin adminpass
        if ($res) {
          $pass = md5($newpass);
          $sql = "update {$prefix}admin 
                    set adminpass = '$pass'
                    where id = '{$current_user['id']}'";
          if (execute($sql)) {
              setinfo('修改密码成功');
          } else {
              setinfo('修改密码失败');
          }
        } else {
            setinfo('旧密码不正确！');
        }
        }

        //5.显示结果到页面
    }



    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <h4 class="card-title">修改密码</h4>
                    <p class="card-category">修改当前管理员密码</p>
                </div>
                <div class="card-body">
                    <?php if (hasinfo()) echo getinfo(); ?>
                    <form action="admin_edit.php" method="post">
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">用户名</label>
                                    <input type="text" disabled name="adminuser" value="<?php echo $current_user['adminuser']; ?>" class="form-control">
                                </div>
                            </div>

                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">旧密码</label>
                                    <input type="password" name="adminpass" class="form-control">
                                </div>
                            </div>

                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">新密码</label>
                                    <input type="password" name="newpass" class="form-control">
                                </div>
                            </div>

                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">确认密码</label>
                                    <input type="password" name="confirmpass" class="form-control">
                                </div>
                            </div>
                        </div>

                        <button type="submit" class="btn btn-primary pull-right">修改</button>
                        <div class="clearfix"></div>
                    </form>
                </div>
            </div>
        </div>

    </div>
    <?php
    require 'footer.php';
    ?>

管理员后台登出logout.php

    <?php
    /**
     * created by phpstorm.
     * date: 2019/1/23
     * time: 22:06
     */

    // 1. 删除当前登录用户的session
    require '../tools.func.php';

    deletesession('admin');

    header('location: login.php');

用户列表显示users.php

电子商城项目开发（后台功能模块开发）

    <?php
    require '../db.func.php';
    require '../tools.func.php';
    require 'auth.php';
    // 1. 写sql查询
    $prefix = getdbprefix();
    $sql = "select id, username, age, name, email, phone, created_at
                    from {$prefix}user order by created_at desc";
    // 2. 执行查询
    $res = query($sql);
    // 3. 遍历结果

    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <div class="row">
                        <div class="col-10">
                            <h4 class="card-title ">所有用户</h4>
                            <p class="card-category"> 用户列表</p>
                        </div>
                        <div class="col-2">
                            <a href="user_add.php" class="btn btn-round btn-info" style="margin-left: 20px;">添加用户</a>
                        </div>
                    </div>
                </div>
                <div class="card-body">
                    <p><?php if (hasinfo()) echo getinfo(); ?></p>
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead class=" text-primary">
                            <th>
                                id
                            </th>
                            <th>
                                用户名
                            </th>
                            <th>
                                姓名
                            </th>
                            <th>
                                年龄
                            </th>
                            <th>
                                邮箱
                            </th>
                            <th>
                                联系电话
                            </th>
                            <th>
                                注册时间
                            </th>
                            <th>
                                操作
                            </th>
                            </thead>
                            <tbody>
                            <?php foreach ($res as $user): ?>
                            <tr>
                                <td>
                                    <?php echo $user['id']; ?>
                                </td>
                                <td>
                    <?php echo $user['username']; ?>
                                </td>
                                <td>
                    <?php echo $user['name']; ?>
                                </td>
                                <td>
                    <?php echo $user['age']; ?>
                                </td>
                                <td>
                    <?php echo $user['email']; ?>
                                </td>
                                <td>
                    <?php echo $user['phone']; ?>
                                </td>
                                <td>
                    <?php echo $user['created_at']; ?>
                                </td>
                                <td>
                                    <a href="user_edit.php?id=<?php echo $user['id']; ?>">编辑</a>
                                    |
                                    <a href="user_del.php?id=<?php echo $user['id']; ?>">删除</a>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <?php
    require 'footer.php';
    ?>

添加用户user_add.php

电子商城项目开发（后台功能模块开发）

    <?php
    require '../tools.func.php';
    require '../db.func.php';
    require 'auth.php';
    if (!empty($_post['username'])) {
        // 1. 接收post数据
        $username = htmlentities($_post['username']);
        $password = htmlentities($_post['password']);
        $confirmpass = htmlentities($_post['confirmpass']);
        $name = htmlentities($_post['name']);
        $age = htmlentities($_post['age']);
        $email = htmlentities($_post['email']);
        $phone = htmlentities($_post['phone']);
        $created_at = date('y-m-d h:i:s');
        $prefix = getdbprefix();
        // 2. 验证密码输入是否一致
        if ($password != $confirmpass) {
            setinfo('两次密码输入不一致');
        } else {
            $password = md5($password);
        // 3. 写sql语句
            $sql = "insert into {$prefix}user(username, password, age, name, email, phone, created_at)
                            values('$username', '$password', '$age', '$name', '$email', '$phone', '$created_at')";
        // 4. 执行添加，如果成功，显示成功信息
            if (execute($sql)) {
                setinfo('添加成功');
            } else {
          setinfo('添加失败');
            }
        }

    }


    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <h4 class="card-title">添加用户</h4>
                    <p class="card-category">添加一个用户</p>
                </div>
                <div class="card-body">
                    <?php if (hasinfo()) echo getinfo(); ?>
                    <form action="user_add.php" method="post">
                        <div class="row">
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label class="bmd-label-floating">用户名</label>
                                    <input type="text" name="username" class="form-control">
                                </div>
                            </div>
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label class="bmd-label-floating">密码</label>
                                    <input type="password" name="password" class="form-control">
                                </div>
                            </div>
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label class="bmd-label-floating">确认密码</label>
                                    <input type="password" name="confirmpass" class="form-control">
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label class="bmd-label-floating">姓名</label>
                                    <input type="text" name="name" class="form-control">
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label class="bmd-label-floating">年龄</label>
                                    <input type="number" name="age" class="form-control">
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">联系电话</label>
                                    <input type="text" name="phone" class="form-control">
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">电子邮箱</label>
                                    <input type="email" name="email" class="form-control">
                                </div>
                            </div>
                        </div>
                        <button type="submit" class="btn btn-primary pull-right">添加用户</button>
                        <div class="clearfix"></div>
                    </form>
                </div>
            </div>
        </div>

    </div>
    <?php
    require 'footer.php';
    ?>

修改用户信息user_edit.php

    <?php
    require '../db.func.php';
    require '../tools.func.php';
    require 'auth.php';
    // 1. 接收id
    $id = intval($_get['id']);
    if (empty($id)) {
        header('location: users.php');
    }
    // 2. 根据id查询用户
    $prefix = getdbprefix();
    $sql = "select id,username,age,email,phone,name 
                    from {$prefix}user where id = '$id'";
    $current_user = queryone($sql);
    if (empty($current_user)) {
      header('location: users.php');
    }
    // 3. 将查询出的用户的数据放入到表单当中
    // 4. 判断是否为post提交
    if (!empty($_post['name'])) {
      // 5. 接收post数据
        $name = htmlentities($_post['name']);
        $age = htmlentities($_post['age']);
        $email = htmlentities($_post['email']);
        $phone = htmlentities($_post['phone']);
        // 6. 更新数据记录
        $sql = "update {$prefix}user 
                        set name = '$name', age = '$age', email = '$email', phone = '$phone'
                        where id = '$id'";
        if (execute($sql)) {
        $current_user = array_merge($current_user, $_post);
            setinfo('更新成功');
        } else {
            setinfo('更新失败');
        }
        // 7. 显示结果
    }


    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <h4 class="card-title">修改用户</h4>
                    <p class="card-category">修改一个用户</p>
                </div>
                <div class="card-body">
                    <?php if (hasinfo()) echo getinfo(); ?>
                    <form action="user_edit.php?id=<?php echo $id; ?>" method="post">
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">用户名</label>
                                    <input type="text" name="username" value="<?php echo $current_user['username']; ?>" disabled class="form-control">
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label class="bmd-label-floating">姓名</label>
                                    <input type="text" name="name" value="<?php echo $current_user['name']; ?>" class="form-control">
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label class="bmd-label-floating">年龄</label>
                                    <input type="number" name="age" value="<?php echo $current_user['age']; ?>" class="form-control">
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">联系电话</label>
                                    <input type="text" name="phone" value="<?php echo $current_user['phone']; ?>" class="form-control">
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label class="bmd-label-floating">电子邮箱</label>
                                    <input type="email" name="email" value="<?php echo $current_user['email']; ?>" class="form-control">
                                </div>
                            </div>
                        </div>
                        <button type="submit" class="btn btn-primary pull-right">更新信息</button>
                        <div class="clearfix"></div>
                    </form>
                </div>
            </div>
        </div>

    </div>
    <?php
    require 'footer.php';
    ?>

删除用户user_del.php

    <?php
    /**
     * created by phpstorm.
     * date: 2019/1/24
     * time: 10:49
     */
    require '../db.func.php';
    require '../tools.func.php';
    require 'auth.php';

    // 1. 接收id
    $id = intval($_get['id']);
    // 2. 从数据库当中删除对应的数据
    $prefix = getdbprefix();
    $sql = "delete from {$prefix}user where id = '$id'";
    if (execute($sql)) {
        setinfo('删除成功');
    } else {
        setinfo('删除失败');
    }
    // 3. 跳回到列表页
    header('location: users.php');

商品列表products.php

电子商城项目开发（后台功能模块开发）

    <?php
    require '../tools.func.php';
    require 'auth.php';
    require '../db.func.php';
    $prefix = getdbprefix();
    $sql = "select * from {$prefix}product order by created_at desc ";
    $data = query($sql);
    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <div class="row">
                        <div class="col-10">
                            <h4 class="card-title ">所有商品</h4>
                            <p class="card-category"> 所有商品列表</p>
                        </div>
                        <div class="col-2">
                            <a href="product_add.php" class="btn btn-round btn-info" style="margin-left: 20px;">添加商品</a>
                        </div>
                    </div>

                </div>
                <div class="card-body">
                    <div class="table-responsive">
                        <table class="table table-hover" style="table-layout:fixed; ">
                            <thead class=" text-primary">
                            <th width="5%">
                                id
                            </th>
                            <th>
                                商品编号
                            </th>
                            <th>
                                商品名称
                            </th>
                            <th>
                                商品描述
                            </th>
                            <th>
                                商品库存
                            </th>
                            <th>
                                商品单价
                            </th>
                            <th>
                                商品上架时间
                            </th>
                            <th>
                                编辑
                            </th>
                            </thead>
                            <tbody>
                <?php foreach ($data as $pro): ?>
                                <tr>
                                    <td>
                        <?php echo $pro['id']; ?>
                                    </td>
                                    <td>
                        <?php echo $pro['code']; ?>
                                    </td>
                                    <td>
                        <?php echo $pro['name']; ?>
                                    </td>
                                    <td>
                        <?php echo mb_substr($pro['description'], 0, 8, 'utf-8') . '...'; ?>
                                    </td>
                                    <td>
                        <?php echo $pro['stock']; ?>
                                    </td>
                                    <td>
                        <?php echo $pro['price']; ?>
                                    </td>
                                    <td>
                        <?php echo $pro['created_at']; ?>
                                    </td>
                                    <td>
                                        <a href="#">编辑</a>
                                        |
                                        <a href="#">删除</a>
                                    </td>
                                </tr>
                <?php endforeach; ?>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <?php
    require 'footer.php';
    ?>

添加商品product_add.php

电子商城项目开发（后台功能模块开发）

    <?php
    require '../tools.func.php';
    require 'auth.php';
    require '../db.func.php';
    // 1. 判断是否为post提交
    if (!empty($_post['name'])) {
      // 2. 接收post数据
        $name = htmlentities($_post['name']);
        $code = htmlentities($_post['code']);
        $price = doubleval($_post['price']);
        $stock = intval($_post['stock']);
        $description = htmlentities($_post['description']);
        $created_at = date('y-m-d h:i:s');
        // 3. 写sql语句
        $prefix = getdbprefix();
        $sql = "insert into {$prefix}product(name, code, price, stock, description, created_at)
                        values('$name', '$code', '$price', '$stock', '$description', '$created_at')";
        // 4. 执行插入
        if (execute($sql)) {
            setinfo('添加成功');
        } else {
        setinfo('添加失败');
        }
        // 5. 显示结果
    }


    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <h4 class="card-title">添加商品</h4>
                    <p class="card-category">添加一个商品</p>
                </div>
                <div class="card-body">
                    <?php if (hasinfo()) echo getinfo(); ?>
                    <form action="product_add.php" method="post">
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label class="bmd-label-floating">商品名称</label>
                                    <input type="text" name="name" class="form-control">
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label class="bmd-label-floating">商品单价</label>
                                    <input type="number" name="price" class="form-control">
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label class="bmd-label-floating">商品库存</label>
                                    <input type="number" name="stock" class="form-control">
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label class="bmd-label-floating">商品编号</label>
                                    <input type="text" name="code" class="form-control">
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label>商品描述</label>
                                    <div class="form-group bmd-form-group">
                                        <textarea name="description" class="form-control" rows="5"></textarea>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <button type="submit" class="btn btn-primary pull-right">添加商品</button>
                        <div class="clearfix"></div>
                    </form>
                </div>
            </div>
        </div>

    </div>
    <?php
    require 'footer.php';
    ?>

购物车列表页carts.php

电子商城项目开发（后台功能模块开发）

    <?php
    require '../tools.func.php';
    require '../db.func.php';
    require 'auth.php';
    $prefix = getdbprefix();
    $sql = "select id, price, quantity, uid, created_at from {$prefix}cart order by created_at desc";
    $back_cart_data = [];
    $cart = query($sql);
    foreach ($cart as $c) {
      $sql = "select username from {$prefix}user where id = '{$c['uid']}'";
      $user = queryone($sql);
      $c['username'] = $user['username'];
      $back_cart_data[] = $c;
    }
    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <div class="row">
                        <div class="col-12">
                            <h4 class="card-title ">所有购物车</h4>
                            <p class="card-category"> 所有购物车列表</p>
                        </div>
                    </div>

                </div>
                <div class="card-body">
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead class=" text-primary">
                            <th>
                                id
                            </th>
                            <th>
                                购物车用户
                            </th>
                            <th>
                                商品总量
                            </th>
                            <th>
                                购物车总价
                            </th>
                            <th>
                                添加时间
                            </th>
                            <th>
                                编辑
                            </th>
                            </thead>
                            <tbody>
                            <?php foreach ($back_cart_data as $cart): ?>
                            <tr>
                                <td>
                                    <?php echo $cart['id']; ?>
                                </td>
                                <td>
                    <?php echo $cart['username']; ?>
                                </td>
                                <td>
                    <?php echo $cart['quantity']; ?>
                                </td>
                                <td>
                    <?php echo $cart['price']; ?>
                                </td>
                                <td>
                    <?php echo $cart['created_at']; ?>
                                </td>
                                <td>
                                    <a href="">删除</a>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <?php
    require 'footer.php';
    ?>

订单列表orders.php

电子商城项目开发（后台功能模块开发）

    <?php
    require '../tools.func.php';
    require 'auth.php';
    require '../db.func.php';
    $prefix = getdbprefix();
    $sql = "select id, uid, price, quantity, created_at 
                    from {$prefix}order order by created_at desc";
    $orders = query($sql);
    require 'header.php';
    ?>
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header card-header-primary">
                    <div class="row">
                        <div class="col-12">
                            <h4 class="card-title ">所有订单</h4>
                            <p class="card-category"> 所有订单列表</p>
                        </div>
                    </div>

                </div>
                <div class="card-body">
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead class=" text-primary">
                            <th>
                                id
                            </th>
                            <th>
                                下单用户
                            </th>
                            <th>
                                订单价格
                            </th>
                            <th>
                                订单商品数量
                            </th>
                            <th>
                                下单时间
                            </th>
                            </thead>
                            <tbody>
                            <?php foreach($orders as $order): ?>
                            <tr>
                                <td>
                                    <?php echo $order['id']; ?>
                                </td>
                                <td>
                    <?php echo $order['uid']; ?>
                                </td>
                                <td>
                    <?php echo $order['price']; ?>
                                </td>
                                <td>
                      <?php echo $order['quantity']; ?>
                                </td>
                                <td>
                    <?php echo $order['created_at']; ?>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <?php
    require 'footer.php';
    ?>

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