UniApp에서 시간 선택 및 날짜 계산을 구현하는 방법

<template>
    <view>
        <uni-datepicker 
            :value="time" 
            @change="onChange">
        </uni-datepicker>
    </view>
</template>

<script>
    export default {
        data() {
            return {
                time: '' // 用来存储选择的时间
            };
        },
        methods: {
            onChange(e) {
                this.time = e.detail.value; // 更新选择的时间
            }
        }
    }
</script>

var currentDate = new Date();
var year = currentDate.getFullYear();
var month = currentDate.getMonth() + 1;
var day = currentDate.getDate();

var currentDate = new Date();
currentDate.setDate(currentDate.getDate() + 1); // 加1天
currentDate.setDate(currentDate.getDate() - 1); // 减1天
currentDate.setMonth(currentDate.getMonth() + 1); // 加1个月
currentDate.setMonth(currentDate.getMonth() - 1); // 减1个月

var date1 = new Date('2021-01-01');
var date2 = new Date('2022-01-01');

if (date1.getTime() > date2.getTime()) {
    console.log('date1晚于date2');
} else if (date1.getTime() < date2.getTime()) {
    console.log('date1早于date2');
} else {
    console.log('date1等于date2');
}

var currentDate = new Date();
var year = currentDate.getFullYear();
var month = (currentDate.getMonth() + 1).toString().padStart(2, '0');
var day = currentDate.getDate().toString().padStart(2, '0');
var formattedDate = year + '-' + month + '-' + day;