php簡單登入註冊驗證
阿新 • • 發佈：2018-12-31
列表頁
<?php
//連線資料庫
$db = new MySQLi('localhost','root','','z_1032');
!mysqli_connect_error() or die('連線失敗');
$db->query('set names utf8');
//判斷修改狀態
if(!empty($_GET['id'])){
$sno = $_GET['id'];
$sql = "update student set status = 1 where sno = '$sno'";
$res = $db->query($sql);
}
//查資料
$sql = "select * from student where status >= 0";
$res = $db->query($sql);
$arr = $res->fetch_all();
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>列表頁</title>
<style>
.spanErr{
background: red;
cursor: pointer;
}
.spanSu{
background: green;
cursor: pointer;
}
</style>
</head>
<body>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<th>學號</th>
<th>姓名</th>
<th>性別</th>
<th>生日</th>
<th>班級</th>
<th>操作</th>
</tr>
<!-- 迴圈新增資料-->
<?php foreach($arr as $v) { ?>
<tr>
<td><?php echo $v[0]; ?></td>
<td><?php echo $v[1]; ?></td>
<td><?php echo $v[2]; ?></td>
<td><?php echo $v[3]; ?></td>
<td><?php echo $v[4]; ?></td>
<td><?php echo $v[5]==0 ? "<a href='list.php?id=$v[0]'><span class='spanErr'>未稽核</span></a>" : '<span class="spanSu">已通過</span>'; ?></td>
<!-- a標籤傳值，把sno傳過去，判斷哪個的狀態修改 -->
</tr>
<?php } ?>
</table>
</body>
</html>
登入頁
<!doctype html> <html> <head> <meta charset="utf-8"> <title>登入頁</title> </head> <body> <form action="php.php" method="post"> 賬號： <input type="text" name="sname"><br> 密碼： <input type="text" name="sno"><br> <button>登入</button> <a href="zhuce.php">註冊</a> </form> </body> </html>
註冊頁
<?php
if(!empty($sno)){
//連線資料庫
$db = new MySQLi('localhost','root','','z_1032');
!mysqli_connect_error() or die('連線失敗');
$db->query('set names utf8');
//接收值
$sno = $_POST['sno'];
$sname = $_POST['sname'];
$ssex = $_POST['ssex'];
$sbirthday = $_POST['sbirthday'];
$class = $_POST['class'];
//執行sql
$sql = "insert into student values ('$sno','$sname','$ssex','$sbirthday','$class',0)";
$res = $db->query($sql);
if($res){
echo "註冊成功";
}else{
echo "註冊失敗";
}
}
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>註冊頁</title>
</head>
<body>
<form action="#" method="post">
學號： <input type="text" name="sno"><br>
姓名： <input type="text" name="sname"><br>
性別： <input type="text" name="ssex"><br>
生日： <input type="text" name="sbirthday"><br>
班級： <input type="text" name="class"><br>
<button>註冊</button>
<a href="list.php">檢視使用者列表</a>
</form>
</body>
</html>
後臺頁
<?php
//連線資料庫
$db = new MySQLi('localhost','root','','z_1032');
!mysqli_connect_error() or die('連線失敗');
$db->query('set names utf8');
//接收資料
$sname = $_POST['sname'];//賬號
$sno = $_POST['sno'];//密碼
//查詢 稽核狀態為通過或者是管理員
$sql = "select sno from student where sname = $sname and status != 0";
$res = $db->query($sql);
$arr = $res->fetch_row(); //結果集專陣列， 結果是一維陣列
//判斷給出結果
if($sno != '' && $arr == ''){
echo "賬號密碼錯誤或者未通過稽核";
}else{
echo "登入成功";
}
?>