<?php
/*
* 檔案:chinesechar.php
* 作用:漢字資料儲存
*/
$ChineseChar = array("人","出","來","友","學","孝","仁","義","禮","廉","忠","國","中","易","白","者","火 ","土","金","木","雷","風","龍","虎","天","地", "生","暈","菜","鳥","田","三","百","錢","福 ","愛","情","獸","蟲","魚","九","網","新","度","哎","唉","啊","哦","儀","老","少","日", "月 ","星");
?>
<?php
/*
* 檔案:check.php
* 作用:驗證 */
session_start();
$errorMSG = '';
//驗證使用者輸入是否和驗證碼一致
if(!is_null($_POST['check']))
{
if (strcasecmp($_SESSION['code'],$_POST['code'])==0)
$errorMSG = "<p style="font-size:12px;color:#009900">驗證成功!</p>";
else
$errorMSG = "<p style="font-size:12px;color:#FF0000">驗證失敗!</p>";
}
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<?php
if($errorMSG){
echo $errorMSG;
}
?>
<form action=<?php echo $_SERVER['PHP_SELF']?> method=post>
請輸入驗證碼：<input type="text" name="code" style="width:
80px"><img src="code.php">
<br>
<input type="submit" name="check" value="提交驗證碼">
</form>
</body>
</html> <?php
/*
* 檔案:code.php
* 作用:驗證碼產生
* 特注:由 沒牙的草 指導 著作權轉載註明出處!有付出才會有收穫!
*/
include_once("chinesechar.php");
session_start();
// 設定 content-type
header("Content-type: image/png");
// 建立圖片
$im = imagecreatetruecolor(120, 30); // 建立顏色
$fontcolor = imagecolorallocate($im, 255, 255, 255);
$bg = imagecolorallocate($im, 0, 0, 0); // 設定文字
for($i=0;$i<4;$i++) $text .= $ChineseChar[(array_rand($ChineseChar))]; $_SESSION['code'] = $text;
// 設定字型
$font = 'simkai.ttf'; // 添加文字
imagettftext($im, 18, 0, 11, 21, $fontcolor, $font, iconv("GB2312","UTF-8",$text)); // 輸出圖片
imagepng($im);
imagedestroy($im);
?> |
