thinkphp微信分享提示config:fail,invalid signature

MrXiaoSanYe 2017-11-20 02:44:09

我用的是微信公众号提供的demo里面的ssdk.pnp
js代码用的都是demo里面的，安全域名和网页授权域名都是正确的，分享的链接、图片地址都是安全域名；

为什么总是提示config:fail,invalid signature

这个 $jsapiTicket = $this->getJsApiTicket();
我打印出来的值是空的？不知道为什么



<?php  

require_once "System/Lib/Action/Weixin/jssdk.php";  

$jssdk = new JSSDK("****", "***");  

$signPackage = $jssdk->GetSignPackage();  

?>

<?php  

class JSSDK {  

  private $appId;  

  private $appSecret;  

  

  public function __construct($appId, $appSecret) {  

    $this->appId = $appId;  

    $this->appSecret = $appSecret;  

  }  

  

  public function getSignPackage() {  

    $jsapiTicket = $this->getJsApiTicket();  

    $accesstoken = $this->getAccessToken();  

  

    // 注意 URL 一定要动态获取，不能 hardcode.  

    $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";  

    $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";  

  

    $timestamp = time();  

    $nonceStr = $this->createNonceStr();  

  

    // 这里参数的顺序要按照 key 值 ASCII 码升序排序  

    $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";  

  

    $signature = sha1($string);  

  

    $signPackage = array(  

      "appId"     => $this->appId,  

      "nonceStr"  => $nonceStr,  

      "timestamp" => $timestamp,  

      "url"       => $url,  

      "signature" => $signature,  

      "rawString" => $string  

    );  

    return $signPackage;   

  }  

  

  private function createNonceStr($length = 16) {  

    $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";  

    $str = "";  

    for ($i = 0; $i < $length; $i++) {  

      $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);  

    }  

    return $str;  

  }  

  

  private function getJsApiTicket() {  

    // jsapi_ticket 应该全局存储与更新，以下代码以写入到文件中做示例  

    $data = json_decode(file_get_contents("jsapi_ticket.json"));  

    if ($data->expire_time < time()) {  

      $accessToken = $this->getAccessToken();  

      // 如果是企业号用以下 URL 获取 ticket  

      // $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";  

      $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";  

      $res = json_decode($this->httpGet($url));  

      $ticket = $res->ticket;  

      if ($ticket) {  

        $data->expire_time = time() + 7000;  

        $data->jsapi_ticket = $ticket;  

        $fp = fopen("jsapi_ticket.json", "w");  

        fwrite($fp, json_encode($data));  

        fclose($fp);  

      }  

    } else {  

      $ticket = $data->jsapi_ticket;  

    }  

  

    return $ticket;  

  }  

  

  private function getAccessToken() {  

    // access_token 应该全局存储与更新，以下代码以写入到文件中做示例  

    $data = json_decode(file_get_contents("access_token.json"));  

    if ($data->expire_time < time()) {  

      // 如果是企业号用以下URL获取access_token  

      // $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";  

      $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";  

      $res = json_decode($this->httpGet($url));  

      $access_token = $res->access_token;  

      if ($access_token) {  

        $data->expire_time = time() + 7000;  

        $data->access_token = $access_token;  

        $fp = fopen("access_token.json", "w");  

        fwrite($fp, json_encode($data));  

        fclose($fp);  

      }  

    } else {  

      $access_token = $data->access_token;  

    }  

    return $access_token;  

  }  

  

  private function httpGet($url) {  

    $curl = curl_init();  

    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);  

    curl_setopt($curl, CURLOPT_TIMEOUT, 500);  

    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);  

    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);  

    curl_setopt($curl, CURLOPT_URL, $url);  

  

    $res = curl_exec($curl);  

    curl_close($curl);  

  

    return $res;  

  }  

}