moment gets the first and last day of the current year, month, and week
<u-icon class="icon-font" name="arrow-left" color="#ccc" size="15"
@click="switch_month_week('prev',true)"></u-icon>
<view class="title">{
{datatime[0]}}-{
{datatime[1]}}</view>
<u-icon class="icon-font" name="arrow-right" color="#ccc" size="15"
@click="switch_month_week('next',true)"></u-icon>
getdatatime(i, type) {
// i：用户上一个月下一个也，type：获取的类型，年月周
if (type == "week") {
let weekOfDay = parseInt(moment().format('E')); //计算今天是这周第几天
let last_monday = moment().subtract(weekOfDay + 7 * i - 1, 'days').format('YYYY/MM/DD'); //周一日期
let last_sunday = moment().subtract(weekOfDay + 7 * (i - 1), 'days').format('YYYY/MM/DD'); //周日日期
return [last_monday, last_sunday]
} else if (type == "month") {
let startEndTime1 = moment().startOf("month").subtract(i, 'months').format('YYYY/MM/DD')
let startEndTime2 = moment().endOf("month").subtract(i, 'months').format('YYYY/MM/DD')
return [startEndTime1, startEndTime2]
} else if (type == "year") {
let startDate = moment().startOf('year').format('YYYY/MM/DD')
let endDate = moment().endOf('year').format('YYYY/MM/DD')
return [startDate, endDate]
}
},
// nowTime：默认是0，当前年/月/周
switch_month_week(type = 'next') {
if (type == 'prev') {
this.nowTime = this.nowTime + 1
} else if (type == 'next') {
this.nowTime = this.nowTime - 1
}
// 调用函数获取到年月周欧
this.datatime = this.getdatatime(this.nowTime, this.timetype)
},