public function createewm(){
   if(IS_POST){
    $access_token=checkAccessToken($this->token); //获取access_token
    $json_url='https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token='.$access_token;
    
    $action_name=$this->_post('action_name'); //生成类型(临时、永久)
    $create_num=$this->_post('create_num');  //生成数量
 
    //数据库里查询最后生成一个编号
    $now_secne_id=M('erweima')->where(array('token'=>$this->token))->order('scene_id desc')->getField('scene_id');
 
    //新生成在最后一个编辑上加1
    $start_secne_id=intval($now_secne_id)+1;
    $end_secne_id=intval($now_secne_id)+intval($create_num);
    $n=0;
    for($i=$start_secne_id;$i<=$end_secne_id;$i++){
     $curl_data='';
     if($action_name=='QR_SCENE'){
      //临时 post的json数据
      $curl_data='{"expire_seconds": 1800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": '.$i.'}}}';
    }
     
     if($action_name=='QR_LIMIT_SCENE'){
     //永久 post的json数据
      $curl_data='{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": '.$i.'}}}';
     } 
     $json_info=json_decode($this->api_notice_increment($json_url,$curl_data),true); 
 
     //这里代表生成成功，记录数据以便插入到数据库，方便以后统计查找
     if($json_info['errcode']!=40013){ 
      $data[$n]['token']=$this->token;
      $data[$n]['tiket']=$json_info['ticket'];
      $data[$n]['url']=$json_info['url'];
      $data[$n]['scene_id']=$i;
      $data[$n]['expire_seconds']=$json_info['expire_seconds'];
      $data[$n]['action_name']=$action_name;
      $data[$n]['remark']='';
      $data[$n]['createtime']=time();
      $n++;
     }else{
      $this->error('操作失败');
     }
    }
   if(count($data)>0){
     $res= M('erweima')->addAll($data);//插入数据
     if($res){
     $this->success('添加成功');
     }else{
     $this->error('操作失败');
     }
    }else{
     $this->error('操作失败');
    } 
   } 
 }

function api_notice_increment($url, $data){
  $ch = curl_init();
  $header = "Accept-Charset: utf-8";
  curl_setopt($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($curl, CURLOPT_HTTPHEADER, $header);
  curl_setopt($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);
  $tmpInfo = curl_exec($ch);
  if (curl_errno($ch)) {
   //curl_close( $ch )
   return $ch;
  }else{
   //curl_close( $ch ) 
   return $tmpInfo;
  }
  curl_close( $ch ) ;
 }