获取当前时间的前一天 后一天 一周后

created() {
//取前一天时间
let reTime = this.getDay(-1, 7200000);
//转化为毫秒
let jugdeTime = Date.parse(reTime);

console.log('昨天：', this.getDay(-1, 7200000))
console.log('今天：', this.getDay(0, 3600000))
console.log('明天：', this.getDay(1, 3600000))
console.log('一周后：', this.getDay(7, 7200000)
},
methods: {
getDay(day, hours) {
var today = new Date()
var targetday = today.getTime() + 1000 * 60 * 60 * 24 * day + hours
today.setTime(targetday)
var tYear = today.getFullYear()
var tMonth = today.getMonth()
var tDate = today.getDate()
tMonth = this.doHandleMonth(tMonth + 1)
tDate = this.doHandleMonth(tDate)
let reTime = tYear + '-' + tMonth + '-' + tDate;
return reTime;
},
doHandleMonth(month) {
var m = month
if (month.toString().length === 1) {
m = '0' + month
}
return m
},
}
}