HTML 的設計部份
<form method="post" action="./mem_login_check.php" class="mem-login-area"> <input type="text" name="mem_mail" class="mem_mail" placeholder="請輸入EMail為帳號" required/> <input type="password" name="mem_pwd" class="mem_pwd" placeholder="請輸入密碼...." required/> <input type="submit" class="submit-btn" value="" /> <a href="./?page=mem_addmem" class="addmem-btn w3-button">會員註冊</a> <a href="javascript:;" class="forget-btn w3-button">忘記密碼</a> </form>
CSS 的設計部份
<style> .mem-login-area { max-width: 400px; margin: 20px auto 0; height: 330px; position: relative; background: url(../img_layout/login.png) no-repeat center top; } .mem-login-area input { background-color: #e8f0fe!important; border: none; width: 270px; margin-left: 21%; padding: 3px 5px; } .mem-login-area input, .mem-login-area a { position: absolute; } .mem-login-area .mem_mail { top: 104px; } .mem-login-area .mem_pwd { top: 158px; } .mem-login-area .submit-btn { background: url(../img_layout/login_btn.png) transparent!important; width: 170px; height: 60px; top: 230px; right: 10px; margin: 0; cursor: pointer; } .addmem-btn { top: 210px; left: 20px; } .forget-btn { top: 250px; left: 20px; } </style>
<?php require_once('../shared/conn_pdo.php'); include_once('../shared/assist.php'); try { $sql_str = "SELECT * FROM member WHERE mem_mail=:mem_mail AND mem_pwd=:mem_pwd AND mem_level>1"; $RS = $conn -> prepare($sql_str); $mem_mail = $_POST['mem_mail']; //接收登入的帳號 $mem_pwd = $_POST['mem_pwd']; //接收登入的密碼 $RS -> bindParam(':mem_mail', $mem_mail); $RS -> bindParam(':mem_pwd', $mem_pwd); $RS -> execute(); $total = $RS -> rowCount(); //$total是資料集的筆數, 如果>=1表示有查詢到資料,是符合登入的會員 if( $total >= 1 ){ $row_RS = $RS -> fetch(PDO::FETCH_ASSOC); $_SESSION['mem_id'] = $row_RS['mem_id']; //將會員ID記錄到SESSION系統變數 $_SESSION['mem_name'] = $row_RS['mem_name']; //將會員名稱記錄到SESSION系統變數 $_SESSION['mem_level'] = $row_RS['mem_level']; //將會員等級記錄到SESSION系統變數 $url = '../'; //登入成功要前往的位址 }else{ //登入失敗..............登入失敗要前往的位址,並加上msg參數 $url = './?page=mem_login&msg=1'; } header('Location:'.$url); } catch ( PDOException $e ){ die("ERROR!!!: ". $e->getMessage()); } ?>
<?php //msg=1 => 表示登入失敗 //msg=2 => 表示未登入進入會員中心而導引過來 //msg=3 => 非管理者不能進入管理介面 ?>
</form> <h2 class="login-msg w3-center"> <?php if( isset($_GET['msg']) && $_GET['msg']==1 ){ echo '==== 輸入的帳號或密碼有誤,請重新登入! ===='; } ?> </h2>
<?php include_once('../shared/assist.php'); $_SESSION['mem_id'] = ''; $_SESSION['mem_name'] = ''; $_SESSION['mem_level'] = ''; unset($_SESSION['mem_id']); unset($_SESSION['mem_name']); unset($_SESSION['mem_level']); header('Location:../'); ?>