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微信JSSDK支持命名空间版本(3.2)

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Jun 07, 2016 am 11:39 AM

昨天微信提供了新版本的jssdk,这里修改了一下，支持了3.2版本的命令空间，同时添加了调试模式！
<?php /** * 官方文档：http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html * 官方示例：http://demo.open.weixin.qq.com/jssdk/sample.zip * * 微信JSSDK类,主要修改了保存会话信息机制，示例中使用的是文件，这里使用了ThinkPHP的缓存机制，参考官方提供的示例文档 * 新增了调试模式,调用示例如下： * $jssdk = new JSSDK(C('WX_APPID'), C('WX_SECRET')); * $jssdk->debug = true; //启用本地调试模式,将官方的两个json文件放到入口文件index.php同级目录即可! * $signPackage = $jssdk->GetSignPackage(); * @命名空间版本 * @author 阿甘 (QQ:33808 624) * @date 2015-1-10 14:10 */ namespace Com; class JsSdk { private $appId; private $appSecret; public $debug = false; public function __construct($appId, $appSecret) { $this->appId = $appId; $this->appSecret = $appSecret; } public function getSignPackage() { $jsapiTicket = $this->getJsApiTicket(); $url = "http://$_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=$nonceStr&timestamp=$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 $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); } return $str; } private function getJsApiTicket() { //debug模式 if ($this->debug) { // 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")); } else { //从cache中读取，基于ThinkPHP的缓存机制 $data = (object)(S('jsapi_ticket_json')); } if ($data->expire_time $accessToken = $this->getAccessToken(); $url = "http://api.weixin.qq.com/cgi-bin/ticket/getticket?type=1&access_token=$accessToken"; $res = json_decode($this->httpGet($url)); $ticket = $res->ticket; if ($ticket) { $data->expire_time = time() + 7200; $data->jsapi_ticket = $ticket; //debug模式 if ($this->debug) { $fp = fopen("jsapi_ticket.json", "w"); fwrite($fp, json_encode($data)); fclose($fp); } else { //将对象以数组的形式进行缓存 S('jsapi_ticket_json', (array)$data); } } } else { $ticket = $data->jsapi_ticket; } return $ticket; } private function getAccessToken() { //debug模式 if ($this->debug) { // 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 $data = json_decode(file_get_contents("access_token.json")); dump($data); die(); } else { //从缓存中读取数组并转成对象 $data = (Object)(S('access_token.json')); } if ($data->expire_time $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$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 = $access_token; //debug模式 if ($this->debug) { $fp = fopen("access_token.json", "w"); fwrite($fp, json_encode($data)); fclose($fp); } else { //缓存数组 S('access_token.json', (array)$data); } } } 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_URL, $url); $res = curl_exec($curl); //错误检测 $error = curl_error($curl); curl_close($curl); //发生错误，抛出异常 if($error) throw new \Exception('请求发生错误(表检查是否在授权域名下访问)：' . $error); return $res; } }

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