阿里云短信官方的java示例是错误的

阿里云短信前身是大鱼，现在移入了阿里云短信。

下载了官方sdk发现一大坨。我不需要啊。

下面自己精简一下，写一个。

谁知道一直提示签名不正确。

看了官网的示例然后对比了一下官方的php sdk

这,java示例是错的嘛？

这个是官方的php里的一段，根本没有要特殊编码嘛，只是简单urlencode

然后自己写了一个，就不用它的官方php sdk了

<?php

class SmsClient
{

   public $appKey;
   public $secretKey;
   public $gatewayUrl = "http://dysmsapi.aliyuncs.com";
   public $format = "xml";



   public function __construct($appKey = "",$secretKey = ""){
      $this->appKey = $appKey;
      $this->secretKey = $secretKey ;
   }


 
    private function percentEncode($string) {
        $res = urlencode($string);
        $res = preg_replace('/+/', '%20', $res);
        $res = preg_replace('/*/', '%2A', $res);
        $res = preg_replace('/%7E/', '~', $res);
        return $res;
    }

    private function computeSignature($parameters, $accessKeySecret) {
        $signString = '';
        foreach($parameters as $key => $value)
        {
            $signString .= '&' . $this->percentEncode($key). '=' . $this->percentEncode($value);
        }
        $stringToSign = 'GET&%2F&' . $this->percentEncode(substr($signString, 1));
        $signature=base64_encode(hash_hmac('sha1', $stringToSign, $accessKeySecret."&", true));
        return $signature;
    }
   public function execute($request, $bestUrl = null)
   {
        header("Content-type: text/html; charset=utf-8");
     
        $sysParams     = array(
            'SignatureMethod'   => 'HMAC-SHA1',
            'SignatureNonce'    => $this->create_uuid(),
            'AccessKeyId'       => $this -> appKey,
            'SignatureVersion'  => '1.0',
            'Timestamp'         =>gmdate("Y-m-dTH:i:s"),
            'Format'            =>$this->format,
            'Action'=> 'SendSms',
            'Version'=>'2017-05-25',
            'RegionId'=>'cn-hangzhou',
            'PhoneNumbers'      =>  $request->getRecNum(),
            'SignName'          => $request->getSmsFreeSignName(),
            'TemplateParam'     =>$request->getSmsParam(),
            'TemplateCode'      => $request->getSmsTemplateCode(),
            'OutId'=>'12345',
        );

      //系统参数放入GET请求串
      if($bestUrl){
         $requestUrl = $bestUrl."/?";
      }else{
         $requestUrl = $this->gatewayUrl."/?";
      }
        ksort($sysParams);
        $sortedQueryString= "";
        foreach ($sysParams as $key => $value) {
            $sortedQueryString.= "&".$key."=" . urlencode($value);
        }
      //签名
      $signature = $this->computeSignature($sysParams,$this->secretKey);
        $url=$requestUrl.'Signature='.$signature.$sortedQueryString;

      //发起HTTP请求
      try
      {
         $resp =$this->fetchContent($url);

      }
      catch (Exception $e)
      {

         
      }

      //解析返回结果
        $response=null;
      $respWellFormed = false;
      if ("JSON" == $this->format)
      {
         $response = json_decode($resp);

         if (null !== $response)
         {
            $respWellFormed = true;
         }
      }
      else if("XML" == $this->format)
      {
            $response = @simplexml_load_string($resp);
         if (false !== $response)
         {
            $respWellFormed = true;
         }
      }

      //返回的HTTP文本不是标准JSON或者XML，记下错误日志
      if (false === $respWellFormed)
      {
        //提示点什么吧
      }

      //如果返回了错误码，记录到业务错误日志中
      if (isset($response->Code)&&$response->Code!='OK')
      {
        //自己做点什么吧
      }
      return $response;
   }


    private function fetchContent($url) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
            "x-sdk-client" => "php/2.0.0"
        ));

        if(substr($url, 0,5) == 'https') {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        }

        $rtn = curl_exec($ch);

        if($rtn === false) {
            trigger_error("[CURL_" . curl_errno($ch) . "]: " . curl_error($ch), E_USER_ERROR);
        }
        curl_close($ch);

        return $rtn;
    }
    function create_uuid($prefix = ""){    //可以指定前缀
        $str = md5(uniqid(mt_rand(), true));
        $uuid  = substr($str,0,8) . '-';
        $uuid .= substr($str,8,4) . '-';
        $uuid .= substr($str,12,4) . '-';
        $uuid .= substr($str,16,4) . '-';
        $uuid .= substr($str,20,12);
        return $prefix . $uuid;
    }
}