微信触发连续发送多条消息（雏形）

<?php  
  
class Kefu{  
    private $appid;  
    private $appSecret;  
      
    function __construct($appid,$appSecret){  
        $this->appid = $appid;  
        $this->appSecret = $appSecret;  
    }  
      
    function returnKefu($openid,$content){  
        $access_token = $this->getAccessToken();  
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=$access_token";  
        $responseText = array("touser"=>$openid,"msgtype"=>"text","text"=>array("content"=>$content));  
        $responjson = json_encode($responseText);  
        $res = $this->httpPost($url,$responjson);  
        echo $res;  
    }  
    function returnPic($openid,$content){  
        $access_token = $this->getAccessToken();  
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=$access_token";  
        $responseText = array("touser"=>$openid,"msgtype"=>"image","image"=>array("media_id"=>"Xfh-2sT-4HHz0z1GrAgb1tlJowuAJuyI-O6AzFX_TT3UsZHwqdsjyUCY6GJGviMi"));  
        $responjson = json_encode($responseText);  
        $res = $this->httpPost($url,$responjson);  
        echo $res;  
    }  
      
  
      
    function getAccessToken(){  
        $file_ticket = "access_token.json";  
        if(!file_exists($file_ticket)){  
            $file = fopen($file_ticket,'w');  
        }  
        $data = json_decode(file_get_contents($file_ticket));  
        if($data){  
            //如果文件存在且内容过期  
            if($data->expires_in<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->expires_in = time() + 7000;  
                    $data->access_token = $access_token;  
                    $fp = fopen($file_ticket, "w");  
                    fwrite($fp, json_encode($data));  
                    fclose($fp);  
                }  
            }else{  
                //没有过期  
                return $data->access_token;  
                  
            }  
        }else{  
            //文件存在，但是里面没有内容  
            $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appid&secret=$this->appSecret";  
            $res = json_decode($this->httpGet($url));  
                $access_token = $res->access_token;  
                if($access_token){  
                    @$data->expires_in = time() + 7000;  
                    $data->access_token = $access_token;  
                    $fp = fopen($file_ticket, "w");  
                    fwrite($fp, json_encode($data));  
                    fclose($fp);  
                }  
        }  
        return $access_token;  
        //return $data;  
    }  
    function httpGet($url){  
        $ch = curl_init();  
        curl_setopt($ch, CURLOPT_URL,$url);  
        // curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");  
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);  
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);  
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');  
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);  
        curl_setopt($ch, CURLOPT_AUTOREFERER, 1);  
        // curl_setopt($ch, CURLOPT_POSTFIELDS, $data);  
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
  
        $temp = curl_exec($ch);  
        curl_close($ch);  
        return $temp;  
    }  
      
    function httpPost($url,$data){  
        $ch = curl_init();  
        curl_setopt( $ch, CURLOPT_URL, $url);    
        curl_setopt( $ch, CURLOPT_POST, 1 );    
        curl_setopt( $ch, CURLOPT_HEADER, 0 );    
        curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );    
        //服务器没有使用https的话就不用下面两行    
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);    
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);    
        curl_setopt( $ch, CURLOPT_POSTFIELDS, $data );    
            
        $output = curl_exec($ch);    
        curl_close($ch);    
        echo $output;    
    }  
}  
$k = new Kefu("appid", "appsecret");  
echo $k->returnPic("openid","how are you?");  
echo $k->returnKefu("openid","how are you?");  
?>  

首先获取用户的openid，然后调用客服接口，从而可以多次向指定用户发送多条消息；