电子商城项目开发（前台功能模块开发）【转】

 

接着之前那篇 “电子商城项目开发（后台功能模块开发）”

登陆页面login.php

    <?php
    require \'../tools.func.php\';
    require \'../db.func.php\';
    // 判断当前是否为post提交
    if (!empty($_POST[\'username\'])) {
        $action = htmlentities($_GET[\'action\']);
      $prefix = getDBPrefix();
        if ($action == \'reg\') {
            $username = htmlentities($_POST[\'username\']);
            $password = md5(htmlentities($_POST[\'password\']));
            $email = htmlentities($_POST[\'email\']);

            $created_at = date(\'Y-m-d H:i:s\');
            $sql = "INSERT INTO {$prefix}user(username, password, email, created_at)
                            VALUES(\'$username\', \'$password\', \'$email\', \'$created_at\')";
            if (execute($sql)) {
                setInfo(\'注册成功\');
            } else {
                setInfo(\'注册失败\');
            }
        } elseif ($action == \'login\') {
            $username = htmlentities($_POST[\'username\']);
            $password = md5(htmlentities($_POST[\'password\']));
            $sql = "SELECT id, username 
                            FROM {$prefix}user
                            WHERE username = \'$username\' AND password = \'$password\'";
            $res = queryOne($sql);
            if ($res) {
                setSession(\'shop\', [\'username\' => $username, \'id\' => $res[\'id\']]);
                header(\'location: index.php\');
            } else {
                setInfo(\'用户名或者密码错误\');
            }
        }
    }
    // 判断操作为login 还是 reg
    // 如果是reg，要接收post数据，插入新数据
    // 如果是login，要查询数据库，判断用户名或者密码是否正确，正确的话写入session
    // 显示结果

    require \'header.php\';
    ?>
        <!-- Start Login Register Area -->
        <div class="htc__login__register bg__white ptb--130">
            <div class="container">
                <div class="row">
                    <div class="col-md-6 col-md-offset-3">
                        <ul class="login__register__menu" role="tablist">
                            <li role="presentation" class="login active"><a href="#login" role="tab" data-toggle="tab">登录</a></li>
                            <li role="presentation" class="register"><a href="#register" role="tab" data-toggle="tab">注册</a></li>
                        </ul>
                    </div>
                </div>
                <!-- Start Login Register Content -->
                <div class="row">
                    <div class="col-md-6 col-md-offset-3">
                        <div class="htc__login__register__wrap">
                            <!-- Start Single Content -->
                            <div id="login" role="tabpanel" class="single__tabs__panel tab-pane fade in active">
                                <p><?php if (hasInfo()) echo getInfo(); ?></p>
                                <form id="loginform" class="login" method="post" action="login.php?action=login">
                                    <input type="text" name="username" placeholder="User Name*">
                                    <input type="password" name="password" placeholder="Password*">
                                </form>

                                <div class="htc__login__btn mt--30">
                                    <a href="javascript:document.getElementById(\'loginform\').submit();">登录</a>
                                </div>

                            </div>
                            <!-- End Single Content -->
                            <!-- Start Single Content -->
                            <div id="register" role="tabpanel" class="single__tabs__panel tab-pane fade">
                                <p><?php if (hasInfo()) echo getInfo(); ?></p>
                                <form id="regform" class="login" action="login.php?action=reg" method="post">
                                    <input type="text" name="username" placeholder="Name*">
                                    <input type="email" name="email" placeholder="Email*">
                                    <input type="password" name="password" placeholder="Password*">
                                </form>

                                <div class="htc__login__btn">
                                    <a href="javascript:document.getElementById(\'regform\').submit();">注册</