my.php驗証成功會轉到ok.php，失敗會到yahoo，但是未輸入驗証碼直接按送出，竟然都轉到ok.php!!!!嗚~~~~搞了四個小時找不出原因~~~~好鬱卒!!!!
拜託老師Orz拜託~~~~
程式碼如下：
<?php
//啟動 Session
if (!isset($_SESSION)) {
session_start();
}
//若表單送出時即先檢查驗證碼
if(isset($_POST['security_code'])){
if(($_SESSION['security_code'] != $_POST['security_code'])||(empty($_SESSION['security_code']))){
header("Location: http://tw.yahoo.com/?auth=false");
break;
}
}
?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文件</title>
<script language="JavaScript" type="text/javascript">
//更換驗證碼圖片
function RefreshImage(valImageId) {
var objImage = document.images[valImageId];
if (objImage == undefined) {
return;
}
var now = new Date();
objImage.src = objImage.src.split('?')[0] + '?width=100&height=40&characters=5&s=' + new Date().getTime();
}
</script>
</head>
<body>
<form id="form1" name="form1" method="post" action="ok.php">
<p>請輸入姓名：
<input name="textfield1" type="text" id="textfield" size="15"/>
<br>
<img src="CaptchaSecurityImages.php?width=100&height=40&characters=5" name="imgCaptcha" id="imgCaptcha" /><a href="javascript:void(0)" onclick="RefreshImage('imgCaptcha')" style="font-size:9pt">更換圖片<br />
</a>
<input name="security_code" type="text" id="security_code" value="請輸入上方驗證碼" maxlength="10" onfocus="this.value=''" />
<br>
<input type="submit" name="button" id="button" value="送出" />
</form>
</body>
</html>
|
圖片驗証沒有效果呢?
