uniapp picker实现选择年月demo效果(整理)

<template>
	<view style="margin-top: 200rpx;">
		<view>
			<picker :range="years" :value="echoVal" @change="yearChange" mode="multiSelector">
				{
    
    {
    
     years[0][yearsIndex1] }}-{
    
    {
    
     years[1][yearsIndex2] }}
			</picker>
		</view>
	</view>
	</view>

</template>

<script>
	export default {
    
    
		data() {
    
    
			return {
    
    
				years: [],
				yearsIndex1: 0,
				yearsIndex2: 0,
				echoVal: [], //当前日期回显
			}
		},
		// 页面加载
		onLoad(e) {
    
    
			var date = new Date();
			var year = date.getFullYear(); //获取完整的年份(4位)
			var month = date.getMonth() + 1; //获取当前月份(0-11,0代表1月)
			var nowDay = date.getDate(); //获取当前日(1-31)

			this.yearsIndex1 = year - 1500; //回显年
			this.yearsIndex2 = month - 1; //回显月

			let numbers = [];
			for (let i = 1500; i <= 2999; i++) {
    
    
				numbers.push(i);
			}
			var arr = ['01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12'];

			this.years.push(numbers); //下拉组合
			this.years.push(arr); //下拉组合

			this.echoVal.push(year - 1500); //回显年
			this.echoVal.push(month - 1); //回显月


		},
		methods: {
    
    
			yearChange: function(e) {
    
    
				console.log(e)
				//获得对象的 detail的 value
				//通过数组的下标改变显示在页面的值
				this.yearsIndex1 = e.detail.value[0];
				this.yearsIndex2 = e.detail.value[1];
			}
		}
	}
</script>

<style>

</style>