public function readFile()
 {
 //用为用的是生成器，所以不用担心 csv 文件的大小
 $handle = fopen(WEB_ROOT."abc.csv", 'rb');
 while(feof($handle) === false)
 {
 				yield fgetcsv($handle);
 }
 fclose($handle);
 }




 set_time_limit(0);

 #ini_set('memory_limit', '50M');
  header ("content-type:text/html;charset=utf-8");
 
 $insert_data = [];
 foreach($this->readFile() as $k=>$v)
 {
 if($k >= 2 && is_array($v))
 {
 $v = self::convert_arr($v);
 
 //print_r($v);die;
 
 $v1 = strval($v[1]);
 if($v1 == '0')
 {
 $parent_id = 0;
 $path = 0;
 }
 else
 {
 $demo_arr =  explode ('_', $v1);
 $parent_id = $demo_arr[0];
 $path = implode('-',$demo_arr);
 }
 if(empty($v[4]))
 {
 continue;
 }
 
 $insert_data = [
 
 'id' => $v[0],
 'parent_id' => $parent_id,
 'path' => $path,
 //手机号
 ' mobile ' => $v[4],
 //昵称
 'nickname' => $v[21],
 //真实姓名
 'realname' => $v[22],
 //注册时间
 'create_time' => $v[45],
 'pdd_pid' => $v[30],
 'jd_pid' => $v[29],
 'relation_id' => $v[70],
 ' number ' => getRandNumber(6),
 'unionid' => $v[24],
 //头像
 'avatar' => $v[32],
 
 ];
 
 Db::name("members")->insert($insert_data);
 unset($insert_data);
 
 }
 }


 //编码转换
 static function convert_arr($arr)
 {
 return array_map(function($v){
 return mb_convert_encoding($v,'utf-8','gbk');
 }, $arr);
 }