短信验证码注册，很简单，用的是 云通讯的短信系统（收费的，不过有测试的api给我们做测试）。好了，不多说，进入正题。
1、收到到云通讯短信系统注册账号，然后下载他们的封装好的短信api接口代码，解压，然后找到CCPRestSDK.php文件和SendTemplateSMS.php文件，将其拉到根目录文件夹里。
2、打开SendTemplateSMS.php文件，首先注意include_once('./CCPRestSDK.php')，千万别包含错路径了，将云通讯给的测试主账号，主账号Token，应用ID填到这三个变量中。
3、创建sendMessage.html页面（此处也没做过多的安全过滤）
<span style="font-family: 'Microsoft YaHei'; font-size: 16px;"><!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Index</title>
<script type="text/javascript" src="jquery.min.js"></script>
</head>
<body>
<form action="reg.php" method="post">
手机号：<input type="text" name="tel" id="tel"><br>
验证码：<input type="text" name="verify" id=""><span><button id="btn" type="button">免费发送验证码</button></span><br>
<input type="submit" name="" value="注册">
</form>
<script type="text/javascript">
$('#btn').click(function(){
var tel = $.trim($('#tel').val());
$.post('SendTemplateSMS.php', {'tel':tel},function(res){
if (res) {
alert('发送成功');
} else {
alert('发送失败');
}
});
});
</script>
</body>
</html>
</span>
4、输入手机号 点击免费发送验证码 ，查看发送成功了
5、在SendTemplateSMS.php文件里已经写好了手机号然后进行处理的代码
<span style="font-family: 'Microsoft YaHei'; font-size: 16px;"> $tel = $_POST['tel'];
$res = sendTemplateSMS($tel, array($verify, 2),"1"); //$verify是所包含的verify.php文件里动态生成的四位数字验证码变量，生成时已将验证码存于SESSION里 ，到提交验证码时用于验证判断
if ($res) {
echo '1';
} else {
echo '0';
}
</span>
6、如果不出意外，手机会收到四位数字的验证码，然后输入验证码，将其提交到reg.php文件
7、reg.php文件进行验证码正确与否进行逻辑验证*（我这只是做实验，所以没做多少安全过滤处理）
<span style="font-family: 'Microsoft YaHei'; font-size: 16px;"><?php
session_start();
$tel = $_POST['tel'];
$ver = trim($_POST['verify']);
if ( $ver == $_SESSION['verify']) {
echo '验证码正确';
} else {
echo '验证码有误';
}
?>
</span>
8、结果输出验证码正确
整个验证码验证逻辑就这么简单，希望能够帮助大家顺利的完成短信验证码验证实现注册功能。
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