How to install and use Vue project

1. What is

It is a simple and easy-to-use lightweight Javascript date processing class library, which provides functions such as date formatting and date parsing, and supports running in both browser and NodeJS environments.

2. Install in Vue project

npm install moment --save

3. Import

Import the component in

import moment from 'moment'//Import file('zh-cn');// Need to be Chinese.$moment = moment;//Assign value use

4. Usage

()

This quarter

const  start = moment().startOf('quarter').format('YYYY-MM-DD')   // startconst end = moment().endOf('quarter').format('YYYY-MM-DD')   // Finish

Last quarter

const start = moment().quarter(moment().quarter() - 1).startOf('quarter').format('YYYY-MM-DD')
const end = moment().quarter(moment().quarter() - 1).endOf('quarter').format('YYYY-MM-DD')

This week

const start = moment().startOf('week') .add(1, 'day').format('YYYY-MM-DD HH:mm:ss')
const end = moment().endOf('week').add(1, 'day').format('YYYY-MM-DD HH:mm:ss')

Last week

const start = moment().subtract(weekOfDay + 7 - 1, 'days') .format('YYYY-MM-DD')
const end  = moment().subtract(weekOfDay， 'days') .format('YYYY-MM-DD')

This year

const start = moment() .year(moment().year()) .startOf('year') .format('YYYY-MM-DD')
const end = moment() .year(moment().year())  .endOf('year').format('YYYY-MM-DD')

last year

const start = moment().year(moment().year() - 1).startOf('year') .format('YYYY-MM-DD')
const end = moment() .year(moment().year() - 1) .endOf('year') .format('YYYY-MM-DD')

today

const start=moment().startOf('day').format('YYYY-MM-DD HH:mm:ss')
const end=moment().endOf('day').format('YYYY-MM-DD HH:mm:ss')

yesterday

const start= moment().subtract('days',1).startOf('days').format('YYYY-MM-DD HH:mm:ss')
const end=moment().subtract('days',1).endOf('days').format('YYYY-MM-DD HH:mm:ss')

One day before and one day after one date

starttime = moment(starttime).subtract(1,"days").format("YYYY-MM-DD");//The previous dayendtime = moment(endtime).add(1,"days").format("YYYY-MM-DD");//One day after

First and last day of the current month

moment().startOf('month').format("YYYY-MM-DD")
moment().endOf('month').format("YYYY-MM-DD"),

Summarize

The above is personal experience. I hope you can give you a reference and I hope you can support me more.