时间跟随现在变化：
王孟旺timemove() {
var date = new Date();
var year = date.getFullYear();
var mth = date.getMonth() + 1;
var d = date.getDate();
var h = date.getHours();
var m = date.getMinutes();
var s = date.getSeconds();
var week = date.getDay();
//定义拼接变量,变量调用转换两位数函数
var time = year + "-" + fn(mth) + "-" + fn(d) + " " + fn(h) + ":" + fn(m) + ":" + fn(s);
//定义函数，将一位数"1"转为两位数"01"
function fn(str) {
str < 10 ? str = "0" + str : str;
return str;
}
this.time = time;
},最后加个定时器：
dong() {
this.timer = setInterval(this.timemove, 1000);
},查看效果：
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