微信公众平台通用接口API(PHP版)

 
<?php
/********************************************************
 *
 *      @link http://mp.weixin.qq.com/wiki/home/index.html
 *
 *      @version 2.0.1
 *
 *      @uses $wxApi = new WxApi();
 *
 *      @package 微信API接口 陆续会继续进行更新
 *
 ********************************************************/
class WxApi {
  
    const appId     = "";
    const appSecret = "";
      
    public function __construct(){
      
    }
      
    /****************************************************
     *
     *  微信提交API方法，返回微信指定JSON
     *
     ****************************************************/
      
    public function wxHttpsRequest($url,$data = null){
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        if (!empty($data)){
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        }
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($curl);
        curl_close($curl);
        return $output;
    }

    /****************************************************
     *
     *  微信获取AccessToken 返回指定微信公众号的at信息
     *
     ****************************************************/
      
    public function wxAccessToken($appId = NULL , $appSecret = NULL){
        $appId          = is_null($appId) ? self::appId : $appId;
        $appSecret      = is_null($appSecret) ? self::appSecret : $appSecret;
        //echo $appId,$appSecret;
        $url            = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appId."&secret=".$appSecret;
        $result         = $this->wxHttpsRequest($url);
        //print_r($result);
        $jsoninfo       = json_decode($result, true);
        $access_token   = $jsoninfo["access_token"];
        return $access_token;
    }
      
    /****************************************************
     *
     *  微信通过OPENID获取用户信息，返回数组
     *
     ****************************************************/
       
    public function wxGetUser($openId){
        $wxAccessToken  = $this->wxAccessToken();
        $url            = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$wxAccessToken."&openid=".$openId."&lang=zh_CN";
        $result         = $this->wxHttpsRequest($url);
        $jsoninfo       = json_decode($result, true);
        return $jsoninfo;
    }

    /****************************************************
     *
     *  微信通过指定模板信息发送给指定用户，发送完成后返回指定JSON数据
     *
     ****************************************************/
      
    public function wxSendTemplate($jsonData){
        $wxAccessToken  = $this->wxAccessToken();
        $url            = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$wxAccessToken;
        $result         = $this->wxHttpsRequest($url,$jsonData);
        return $result;
    }

    /****************************************************
     *
     *  微信设置OAUTH跳转URL，返回字符串信息 - SCOPE = snsapi_base //验证时不返回确认页面，只能获取OPENID
     *
     ****************************************************/
      
    public function wxOauthBase($redirectUrl,$state = "",$appId = NULL){
        $appId          = is_null($appId) ? self::appId : $appId;
        $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appId."&redirect_uri=".$redirectUrl."&response_type=code&scope=snsapi_base&state=".$state."#wechat_redirect";
        return $url;
    }

    /****************************************************
     *
     *  微信设置OAUTH跳转URL，返回字符串信息 - SCOPE = snsapi_userinfo //获取用户完整信息
     *
     ****************************************************/
      
    public function wxOauthUserinfo($redirectUrl,$state = "",$appId = NULL){
        $appId          = is_null($appId) ? self::appId : $appId;
        $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appId."&redirect_uri=".$redirectUrl."&response_type=code&scope=snsapi_userinfo&state=".$state."#wechat_redirect";
        return $url;
    }

    /****************************************************
     *
     *  微信OAUTH跳转指定URL
     *
     ****************************************************/
      
    public function wxHeader($url){
        header("location:".$url);
    }

    /****************************************************
     *
     *  微信通过OAUTH返回页面中获取AT信息
     *
     ****************************************************/
      
    public function wxOauthAccessToken($code,$appId = NULL , $appSecret = NULL){
        $appId          = is_null($appId) ? self::appId : $appId;
        $appSecret      = is_null($appSecret) ? self::appSecret : $appSecret;
        $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appId."&secret=".$appSecret."&code=".$code."&grant_type=authorization_code";
        $result         = $this->wxHttpsRequest($url);
        //print_r($result);
        $jsoninfo       = json_decode($result, true);
        //$access_token     = $jsoninfo["access_token"];
        return $jsoninfo;           
    }

    /****************************************************
     *
     *  微信通过OAUTH的Access_Token的信息获取当前用户信息 // 只执行在snsapi_userinfo模式运行
     *
     ****************************************************/
      
    public function wxOauthUser($OauthAT,$openId){
        $url            = "https://api.weixin.qq.com/sns/userinfo?access_token=".$OauthAT."&openid=".$openId."&lang=zh_CN";
        $result         = $this->wxHttpsRequest($url);
        $jsoninfo       = json_decode($result, true);
        return $jsoninfo;           
    }
      
}