<?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.smdyoa&apiid=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;

}