<?php # +=========================================================================== # | Author     : cq   <just_leaf@foxmail.com> # | 微信文档 :https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141115 # +=========================================================================== class JSSDK {
        
        　# - 公众号appid ，公众号开发配置处可查看 public $appId; # - 公众号appi ， 公众号开发配置处可查看 private $appSecret; /**
            * @name         初始化参数
            * @author         cq <just_leaf@foxmail.com> 
            * @copyright    zydbbt 2018-10-27 */ public function __construct( $appId , $appSecret ) { $this -> appId             = $appId; $this -> appSecret         = $appSecret;
          } /**
            * @name         获取accessToken
            * @author         cq <just_leaf@foxmail.com> 
            * @copyright    zydbbt 2018-10-27 */ public function getAcc(){ return $this -> getAccessToken();
        } /**
            * @name         获取config接口注入权限验证配置
            * @author         cq <just_leaf@foxmail.com> 
            * @copyright    zydbbt 2018-10-27 */ public function getWxConfig() { # - 获取 jsapi_ticket $jsapiTicket = $this -> getJsApiTicket(); # - 获取调用页面的url $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://"; $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"; # - 时间戳 $timestamp = time(); # - 获取随机字符串 $nonceStr = $this -> createNonceStr(); # - 这里参数的顺序要按照 key 值 ASCII 码升序排序 # - 亦可把参数以数组存值，ksort() - 以升序对关联数组进行排序 $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$timestamp&url=$url"; # - sha1获取签名 $signature = sha1($string); # - 页面所需注入参数 $WxConfig = array( "appId"     => $this -> appId,
              "nonceStr"  => $nonceStr,
              "timestamp" => $timestamp,
              "url"       => $url,
              "signature" => $signature,
              "rawString" => $string ); # - 返回 return $WxConfig; 
          } /**
            * @name         获取JsApiTicket
            * @author         cq <just_leaf@foxmail.com> 
            * @copyright    zydbbt 2018-10-27 */ private function getJsApiTicket() { # - 判断缓存 $ticket = S('ticket'); if(!$ticket) { # - 获取 $accessToken = $this->getAccessToken(); # - 获取Ticket # - 如果是企业号用以下 URL 获取 ticket $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken"; # - get请求，转换数组 $result = json_decode($this->httpGet($url),true); $ticket = $result['ticket']; # - 全局缓存 if ($ticket) { # - 官方返回 # - { # -        "errcode":0, # -        "errmsg":"ok", # -        "ticket":"bxLdikRXVbTPdHSM05e5u5sUoXNKd8-41ZO3MhKoyN5OfkWITDGgnr2fwJ0m9E8NYzWKVZvdVtaUgWvsdshFKA", # -     "expires_in":7200 # - } S('ticket',$ticket,$result['expires_in']);
                  }
            } # - 返回 return $ticket;
          } /**
            * @name         获取AccessToken
            * @author         cq <just_leaf@foxmail.com> 
            * @copyright    zydbbt 2018-10-27 */ private function getAccessToken() { # - 判断缓存 $access_token = S('accesToken'); if(!$access_token) { # - 如果是企业号用以下URL获取access_token $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret"; # - get请求，转换数组 $result = json_decode($this->httpGet($url),true); $access_token = $result['access_token']; # - 全局缓存 if ($access_token) {
                      
                    S('accesToken',$result['access_token'],$result['expires_in']);
                  }
            } # - 返回 return $access_token;
          } /**
            * @name         GET请求
            * @author         cq <just_leaf@foxmail.com> 
            * @copyright    zydbbt 2018-10-27 */ private function httpGet($url) { # - 初始化 $curl = curl_init(); # - 为保证第三方服务器与微信服务器之间数据传输的安全性，所有微信接口采用https方式调用，必须使用下面2行代码打开ssl安全校验。 # - 如果在部署过程中代码在此处验证失败，请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true);
            
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($curl, CURLOPT_TIMEOUT, 500);
            curl_setopt($curl, CURLOPT_URL, $url); # - 请求 $res = curl_exec($curl); # - 关闭 curl_close($curl); # - 返回 return $res;
          } /**
            * @name         产生随机字符串
            * @author         cq <just_leaf@foxmail.com> 
            * @copyright    zydbbt 2018-10-27 */ private function createNonceStr($length = 16) { $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; $str = ""; for ($i = 0; $i < $length; $i++) { $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
              
            } return $str;
          }
    }