php分享朋友圈的实现代码

本文实例为大家分享了php实现分享朋友圈的具体代码，供大家参考，具体内容如下

appId = $appId;
 $this->appSecret = $appSecret;
 }
 
 public function getSignPackage() {
 $jsapiTicket = $this->getJsApiTicket();
 
 // 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;
 }
}
$jssdk = new JSSDK("wx6b3844d6802f74aa", "c8710c8f4e0afce7611f5cd0013c4573");
$signPackage = $jssdk->GetSignPackage();
?>

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