当前时间转换为yy-mm-dd hh:mm:ss格式
//补零方法add0(m) {return m < 10 ? "0" + m : m;},// new Date() 获取当前时间getNowTime() {let time = new Date();console.log(time); // Fri Jan 01 19:58:01 GMT+0800 (中国标准时间)var y = time.getFullYear();var m = time.getMonth() + 1;var d = time.getDate();var h = time.getHours();var mm = time.getMinutes();var s = time.getSeconds();return (y +"-" +this.add0(m) +"-" +this.add0(d) +" " +this.add0(h) +":" +this.add0(mm) +":" +this.add0(s));// -01-01 20:05:35},