PHP微信分享开发详解

$jssdk = new \Home\Util\JSSDK(C('APPID'),C('SECRET'));//此处C里面的东西为你所使用的公众号的appid和secret，这俩个东西可在微信公众平台获取到 不详细解释 找不到追加评论（讲解） JSSDK文件代码在下
$signPackage = $jssdk->GetSignPackage();

$this->assign('appid',$signPackage["appId"]);
$this->assign('timestamp',$signPackage["timestamp"]);
$this->assign('nonceStr',$signPackage["nonceStr"]);
$this->assign('signature',$signPackage["signature"]);

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; } public 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 $data = json_decode($this->get_PHP_file("jsapi_ticket.PHP")); 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"; $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=$accessToken&type=jsapi"; $res = json_decode($this->httpGet($url)); $ticket = $res->ticket; // var_dump($url); if ($ticket) { $data->expire_time = time() + 7000; $data->jsapi_ticket = $ticket; $this->set_PHP_file("jsapi_ticket.PHP",json_encode($data)); } } else { $ticket = $data->jsapi_ticket; } return $ticket; } public 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 $data = json_decode($this->get_PHP_file("access_token.PHP")); 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 = $this->getJson($url); $access_token = $res['access_token']; // var_dump($res); if ($access_token) { $data->expire_time = time() + 7000; $data->access_token = $access_token; $this->set_PHP_file("access_token.PHP",json_encode($data)); } } else { $access_token = $data->access_token; } return $access_token; // $aa = $access_token; // var_dump($aa); } //获取access_token public function getJson($url){ $ch = curl_init(); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,CURLOPT_RETURNTRANSFER,1); $output = curl_exec($ch); curl_close($ch); // var_dump(json_decode($output,true)); return json_decode($output,true); } //获取ticket private function httpGet($url) { $curl = curl_init(); curl_setopt($curl,$url); curl_setopt($curl,true); // curl_setopt($curl,CURLOPT_TIMEOUT,500); // 为保证第三方服务器与微信服务器之间数据传输的安全性，所有微信接口采用https方式调用，必须使用下面2行代码打开ssl安全校验。 // 如果在部署过程中代码在此处验证失败，请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。 curl_setopt($curl,FALSE); curl_setopt($curl,FALSE); $res = curl_exec($curl); // var_dump($res); curl_close($curl); return $res; } private function get_PHP_file($filename) { return trim(substr(file_get_contents($filename),15)); // echo trim(substr(file_get_contents($filename),15));die; // $aa = trim(substr(file_get_contents($filename),15)); } private function set_PHP_file($filename,$content) { $fp = fopen($filename,"w"); fwrite($fp,"" . $content); fclose($fp); } }