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yanzhengma.php ?? ? ???? ????? ?????
<?php
session_start();
Header("Content-type:image/PNG");
$im = imagecreate(60, 25);
$back = imagecolorallocate($im, 245, 245, 245);
imagefill($im, 0, 0, $back);
$vcodes = "";
for($i = 0; $i < 4; $i++){
$font = imagecolorallocate($im, rand(100, 255), rand(0, 100), rand(100, 255));
$authnum = rand(0, 9);
$vcodes .= $authnum;
imagestring($im, 5, 9 + $i * 10, 5, $authnum, $font);
}
$_SESSION['VCODE'] = $vcodes;
for($i=0;$i<200;$i++) {
$randcolor = imagecolorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
imagesetpixel($im, rand()%60, rand()%25, $randcolor); //
}
imagepng($im);
imagedestroy($im);
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?? ?? ????? ?? ????? ??? ?? ??? ????? <img> ??? ??? ? ????. ??? ??? ????
<p>驗 證 碼：<input type="text" name="yzm" id="yzm"> <img src="yanzhengma.php">src
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? ???? ???? ?? ??? ??? ? ????. ??? ????? ???? ???. ?? ???? ?? ??? ?? ?????. ?? ????? JS? ?????. <img> ?? ?? ?? ??? ?????<img src="yanzhengma.php" onClick="this.src='yanzhengma.php?nocache='+Math.random()" style="cursor:hand">
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>PHP中文網(wǎng)</title>
<style type="text/css">
body{background-color: rgba(223, 255, 231, 0.28)
}
.container{
border-radius: 25px;
box-shadow: 0 0 20px #222;
width: 380px;
height: 400px;
margin: 0 auto;
margin-top: 200px;
background-color: rgba(152, 242, 242, 0.23);
}
.right {
position: relative;
left: 40px;
top: 20px;
}
input{
width: 180px;
height: 25px;
}
button{
background-color: rgba(230, 228, 236, 0.93);
border: none;
color: #110c0f;
padding: 10px 70px;
text-align: center;
display: inline-block;
font-size: 16px;
cursor: pointer;
margin-top: 30px;
margin-left: 50px;
}
</style>
</head>
<body>
<form action="" method="post">
<div class="container">
<div class="right">
<h2>用戶注冊</h2>
<p>用 戶 名：<input type="text" name="name" id="name"></p>
<p>密 碼: <input type="password" name="pwd" id="pwd"></p>
<p>確認(rèn)密碼: <input type="password" name="pwdconfirm" id="pwdconfirm"></p>
<p>驗 證 碼：<input type="text" name="yzm" id="yzm">
<img src="yanzhengma.php" onClick="this.src='yanzhengma.php?nocache='+Math.random()" style="cursor:hand"></p>
<p><button type="submit" value="注冊" >立即注冊</button></p>
</div>
</div>
</form>
</body>
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