js格式化时间

			let timeFormatSeconds = function(time) {
					let d = time ? new Date(time) : new Date();
					let year = d.getFullYear();
					let month = d.getMonth() + 1;
					let day = d.getDate();
					let hours = d.getHours();
					let min = d.getMinutes();
					let seconds = d.getSeconds();
					if (month < 10) month = '0' + month;
					if (day < 10) day = '0' + day;
					if (hours < 0) hours = '0' + hours;
					if (min < 10) min = '0' + min;
					if (seconds < 10) seconds = '0' + seconds;
			 
					return (year + '-' + month + '-' + day + ' ' + hours + ':' + min + ':' + seconds);
			}