js时间戳转换时间格式

function getLocalTime(time){
		if(time > 0){
		   var dateStr = new Date(time * 1000);
		   var str = "" + dateStr.getFullYear() + "-";
		   var m = dateStr.getMonth();
		   m = m < 10 ? "0" + m : m;
		   str += m +"-";
		   var d = dateStr.getDate();
		   d = d < 10 ? "0" + d : d;
		   str += d +" ";

		   var H = dateStr.getHours();
		   H = H < 10 ? "0" + H : H;
		   str += H+":";
		   var i = dateStr.getMinutes();
		   i = i < 10 ? "0" + i : i;
		   str += i+":";
		   var s = dateStr.getSeconds();
		   s = s < 10 ? "0" + s : s;
		   str += s;
		   return str;
		}else{
			return ‘末知时间‘;
		}
	}