?php
/**
 * 阿里云短信验证码发送类
 * @author Administrator
 *
 */
class Sms {

  // 保存错误信息

  public $error;

  // Access Key ID

  private $accessKeyId = '';

  // Access Access Key Secret

  private $accessKeySecret = '';

  // 签名

  private $signName = '';

  // 模版ID

  private $templateCode = '';

  public function __construct($cofig = array()) {

    $cofig = array (

        'accessKeyId' => 'xxxxxxxxxxx',

        'accessKeySecret' => 'xxxxxxxxxx',

        'signName' => '你的签名',

        'templateCode' => 'SMS_76510109'

    );

    // 配置参数

    $this->accessKeyId = $cofig ['accessKeyId'];

    $this->accessKeySecret = $cofig ['accessKeySecret'];

    $this->signName = $cofig ['signName'];

    $this->templateCode = $cofig ['templateCode'];

  }

  private function percentEncode($string) {

    $string = urlencode ( $string );

    $string = preg_replace ( '/\+/', '%20', $string );

    $string = preg_replace ( '/\*/', '%2A', $string );

    $string = preg_replace ( '/%7E/', '~', $string );

    return $string;

  }

  /**
   * 签名
   *
   * @param unknown $parameters      
   * @param unknown $accessKeySecret      
   * @return string
   */

  private function computeSignature($parameters, $accessKeySecret) {

    ksort ( $parameters );

    $canonicalizedQueryString = '';

    foreach ( $parameters as $key => $value ) {

      $canonicalizedQueryString .= '' . $this->percentEncode ( $key ) . '=' . $this->percentEncode ( $value );

    }

    $stringToSign = 'GET%2F' . $this->percentencode ( substr ( $canonicalizedQueryString, 1 ) );

    $signature = base64_encode ( hash_hmac ( 'sha1', $stringToSign, $accessKeySecret . '', true ) );

    return $signature;

  }

  /**
   * @param unknown $mobile      
   * @param unknown $verify_code      
   *
   */

  public function send_verify($mobile, $verify_code) {

    $params = array (  //此处作了修改

        'SignName' => $this->signName,

        'Format' => 'JSON',

        'Version' => '2017-05-25',

        'AccessKeyId' => $this->accessKeyId,

        'SignatureVersion' => '1.0',

        'SignatureMethod' => 'HMAC-SHA1',

        'SignatureNonce' => uniqid (),

        'Timestamp' => gmdate ( 'Y-m-d\TH:i:s\Z' ),

        'Action' => 'SendSms',

        'TemplateCode' => $this->templateCode,

        'PhoneNumbers' => $mobile,

        //'TemplateParam' => '{"code":"' . $verify_code . '"}' 

        'TemplateParam' => '{"time":"1234"}'  //更换为自己的实际模版

    );

    //var_dump($params);die;

    // 计算签名并把签名结果加入请求参数

    $params ['Signature'] = $this->computeSignature ( $params, $this->accessKeySecret );

    // 发送请求（此处作了修改）

    //$url = 'https://sms.aliyuncs.com/?' . http_build_query ( $params );

    $url = 'http://dysmsapi.aliyuncs.com/?' . http_build_query ( $params );

    $ch = curl_init ();

    curl_setopt ( $ch, CURLOPT_URL, $url );

    curl_setopt ( $ch, CURLOPT_SSL_VERIFYPEER, FALSE );

    curl_setopt ( $ch, CURLOPT_SSL_VERIFYHOST, FALSE );

    curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );

    curl_setopt ( $ch, CURLOPT_TIMEOUT, 10 );

    $result = curl_exec ( $ch );

    curl_close ( $ch );

    $result = json_decode ( $result, true );

    //var_dump($result);die;

    if (isset ( $result ['Code'] )) {

      $this->error = $this->getErrorMessage ( $result ['Code'] );

      return false;

    }

    return true;

  }

  /**
   * 获取详细错误信息
   *
   * @param unknown $status      
   */

  public function getErrorMessage($status) {

    // 阿里云的短信 乱八七糟的(其实是用的阿里大于)

    // https://api.alidayu.com/doc2/apiDetail?spm=a3142.7629140.1.19.SmdYoAapiId=25450

    $message = array (

        'InvalidDayuStatus.Malformed' => '账户短信开通状态不正确',

        'InvalidSignName.Malformed' => '短信签名不正确或签名状态不正确',

        'InvalidTemplateCode.MalFormed' => '短信模板Code不正确或者模板状态不正确',

        'InvalidRecNum.Malformed' => '目标手机号不正确，单次发送数量不能超过100',

        'InvalidParamString.MalFormed' => '短信模板中变量不是json格式',

        'InvalidParamStringTemplate.Malformed' => '短信模板中变量与模板内容不匹配',

        'InvalidSendSms' => '触发业务流控',

        'InvalidDayu.Malformed' => '变量不能是url，可以将变量固化在模板中'

    );

    if (isset ( $message [$status] )) {

      return $message [$status];

    }

    return $status;

  }

}

//生成验证码
$mobile = 'xxxxxxx';
$code = rand ( 1000, 9999 );
//发送短信
$sms = new Sms();

//测试模式
$status = $sms->send_verify($mobile, $code);
if (!$status) {
 echo $sms->error;

}