有評論問我怎麼用，，，於是簡單更新了一下使用方法。。。。

網易雲信5分一條，阿里大於4分5一條，但是網易雲信自帶驗證系統，阿里大於需要自己指定驗證碼，自己做驗證，但是，，，，阿里大於可以自己定義簽名，而網易雲信只能使用預設的【雲簡訊】，而且阿里大於的簡訊模板稽核很快，，，網易雲信媽的，。，，稽核了兩天，這還是我聯絡了客服妹子，要不，，，好了。。。不黑網易了。。。接下來上程式碼。

<?php
/**
 * Created by PhpStorm.
 * User: leif
 * Date: 2016/9/10
 * Time: 9:20
 */

//Auth 類，直接引入就行

class Auth
 

{

//將你註冊的 key和 secret 定義好。

    const APP_KEY = 'your key';
    const APP_SECRET = 'tour secret';
//傳送驗證碼函式，傳入手機號即可
    public function SendSmsCode($mobile = ""){
        $appKey = self::APP_KEY;
        $appSecret = self::APP_SECRET;
        $nonce = '100';
        $curTime = time();
        $checkSum = sha1($appSecret
 
 . $nonce . $curTime);
        $data  = array(
            'mobile'=> $mobile,
        );
        $data = http_build_query($data);
        $opts = array (
            'http' => array(
                'method' => 'POST',
                'header' => array(
                    'Content-Type:application/x-www-form-urlencoded;charset=utf-8'
 
,
                    "AppKey:$appKey",
                    "Nonce:$nonce",
                    "CurTime:$curTime",
                    "CheckSum:$checkSum"
                ),
                'content' =>  $data
            ),
        );
        $context = stream_context_create($opts);
        $html = file_get_contents("https://api.netease.im/sms/sendcode.action", false, $context);
        echo $html;
    }
//驗證碼校驗函式，傳入手機號，以及該手機號反饋給你的驗證碼，
    public function CheckSmsYzm($mobile = "",$Code=""){
        $appKey = self::APP_KEY;
        $appSecret = self::APP_SECRET;
        $nonce = '100';
        $curTime = time();
        $checkSum = sha1($appSecret . $nonce . $curTime);
        $data  = array(
            'mobile'=> $mobile,
            'code' => $Code,
        );
        $data = http_build_query($data);
        $opts = array (
            'http' => array(
                'method' => 'POST',
                'header' => array(
                    'Content-Type:application/x-www-form-urlencoded;charset=utf-8',
                    "AppKey:$appKey",
                    "Nonce:$nonce",
                    "CurTime:$curTime",
                    "CheckSum:$checkSum"
                ),
                'content' =>  $data
            ),
        );
        $context = stream_context_create($opts);
        $html = file_get_contents("https://api.netease.im/sms/verifycode.action", false, $context);
    }
}