/*距离格式化*/
	function distanceFormat($distance){
		if($distance<1000){
			return $distance.'米';
		}else{

			if(floor($distance/10)<10){
				return number_format($distance/10,1);  //保留一位小数，会四舍五入
			}else{
				return ">10千米";
			}
		}
	}