原创链接(使用的picker多列选择器,如不需要更改弹窗样式的可移步参考原创使用picker实现):blog.csdn.net/Arbort_/art…
先看效果图
废话不多说,直接上代码,可直接复制粘贴使用
- 创建 dateTimePicker.js 文件,做主要的逻辑操作
/**
* 自定义多列时间选择器
*/
function withData(param) {
return param < 10 ? '0' + param : '' + param;
}
function getLoopArray(start, end) {
var start = start || 0;
var end = end || 1;
var array = [];
for (var i = start; i <= end; i++) {
array.push(withData(i));
}
return array;
}
function getMonthDay(year, month) {
var flag = year % 400 == 0 || (year % 4 == 0 && year % 100 != 0),
array = null;
switch (month) {
case '01':
case '03':
case '05':
case '07':
case '08':
case '10':
case '12':
array = getLoopArray(1, 31)
break;
case '04':
case '06':
case '09':
case '11':
array = getLoopArray(1, 30)
break;
case '02':
array = flag ? getLoopArray(1, 29) : getLoopArray(1, 28)
break;
default:
array = '月份格式不正确,请重新输入!'
}
return array;
}
function getNewDateArry() {
// 当前时间的处理
var newDate = new Date();
var year = withData(newDate.getFullYear()),
mont = withData(newDate.getMonth() + 1),
date = withData(newDate.getDate()),
hour = withData(newDate.getHours()),
minu = withData(newDate.getMinutes()),
seco = withData(newDate.getSeconds());
return [year, mont, date, hour, minu, seco];
}
function dateTimePicker(startYear, endYear, date) {
// 返回默认显示的数组和联动数组的声明
var dateTime = [],
dateTimeArray = [
[],
[],
[],
[],
[],
[]
];
var start = startYear || 2000;
var end = endYear || 2100;
// 默认开始显示数据
var defaultDate = date ? [...date.split(' ')[0].split('-'), ...date.split(' ')[1].split(':')] : getNewDateArry();
// 处理联动列表数据
/*年月日 时分秒*/
dateTimeArray[0] = getLoopArray(start, end);
dateTimeArray[1] = getLoopArray(1, 12);
dateTimeArray[2] = getMonthDay(defaultDate[0], defaultDate[1]);
dateTimeArray[3] = getLoopArray(0, 23);
dateTimeArray[4] = getLoopArray(0, 59);
dateTimeArray[5] = getLoopArray(0, 59);
dateTimeArray.forEach((current, index) => {
dateTime.push(current.indexOf(defaultDate[index]));
});
return {
dateTimeArray: dateTimeArray,
dateTime: dateTime
}
}
/**格式化日期 */
function generateTimeStr(dateTimeArray, dateTime) {
const timeStr =
dateTimeArray[0][dateTime[0]] +
"-" +
dateTimeArray[1][dateTime[1]] +
"-" +
dateTimeArray[2][dateTime[2]] +
" " +
dateTimeArray[3][dateTime[3]] +
":" +
dateTimeArray[4][dateTime[4]] +
":" +
dateTimeArray[5][dateTime[5]];
return timeStr;
}
module.exports = {
dateTimePicker,
getMonthDay,
generateTimeStr
};
- 在组件中使用picker-view,在这里我需要实现一个从下往上弹出的弹窗,弹窗里面包含了时间选择器,所以我使用的是uView组件库的u-popup,大家可以根据自己项目所需进行更改
<template>
<view>
<view @click="showPopup = true">我选择的时间:{{ time }}</view>
<u-popup :show="showPopup" mode="bottom" @close="showPopup = false">
<view class="popup_container">
<view class="popup_title">弹窗标题</view>
<view class="popup_picker">
<picker-view indicator-style="height:45px; background-color:#f7f7f7; z-index: 0;" :value="defaultDate"
@change="pickDate" class="picker_view" :immediate-change="true">
<picker-view-column>
<view class="picker_item" v-for="(item,index) in dateTimeArray[0]" :key="index">{{item}}年</view>
</picker-view-column>
<picker-view-column>
<view class="picker_item" v-for="(item,index) in dateTimeArray[1]" :key="index">{{item}}月
</view>
</picker-view-column>
<picker-view-column>
<view class="picker_item" v-for="(item,index) in dateTimeArray[2]" :key="index">{{item}}日</view>
</picker-view-column>
<picker-view-column>
<view class="picker_item" v-for="(item,index) in dateTimeArray[3]" :key="index">{{item}}时</view>
</picker-view-column>
<picker-view-column>
<view class="picker_item" v-for="(item,index) in dateTimeArray[4]" :key="index">{{item}}分</view>
</picker-view-column>
<picker-view-column>
<view class="picker_item" v-for="(item,index) in dateTimeArray[5]" :key="index">{{item}}秒</view>
</picker-view-column>
</picker-view>
</view>
<view class="popup_btn">
<view class="btn cancel_btn" @click="showPopup = false">取消</view>
<view class="btn confirm_btn" @click="confirmDate">确认</view>
</view>
</view>
</u-popup>
</view>
</template>
- JS逻辑操作部分,需要做的是获取到当前的年月日时分秒,并且在切换月份时,改变日期(因为每个月份的日期是不一样的)
<script>
// 从你放JS文件的位置导入进来,我是放在lib文件夹里面的
import {
dateTimePicker,
getMonthDay,
generateTimeStr
} from '../../../lib/dateTimePicker.js'
export default {
data() {
// 获取当前日期
let date = new Date();
// 我这里需要的是2023-2050年的日期
// 获取完整的年月日时分秒以及默认显示的数组, dateTimePicker(起始年份, 截止年份);
let obj = dateTimePicker(date.getFullYear(), 2050);
return {
time: '',
showPopup: false, // 弹窗的显示与隐藏
defaultDate: obj.dateTime, // 时间默认值 是一个数组,数组里面是下标
dateTimeArray: obj.dateTimeArray, // 时间默认数据 是一个数组,里面是所有的年月日时分秒
};
},
onLoad() {},
methods: {
// 滑动时间选择器时触发change事件
pickDate(e) {
console.log('时间选择器在滑动')
let val = e.detail.value
// 当当前选择的月份与默认的月份不同时,改变日期
if (val[1] != this.defaultDate[1]) {
console.log('月份改变了')
let nowYear = this.dateTimeArray[0][val[0]]
let nowMonth = this.dateTimeArray[1][val[1]]
// 将选择的月份对应的日期赋值给dateTimeArray
this.dateTimeArray[2] = getMonthDay(nowYear, nowMonth)
}
this.defaultDate = val
},
// 确定时间
confirmDate() {
// 将选择的时间格式化返回
this.time = generateTimeStr(this.dateTimeArray, this.defaultDate)
this.showPickDate = false
},
}
}
</script>
- 最后附上弹窗样式
.popup_container {
color: #333;
.popup_btn {
padding: 0 30rpx 30rpx;
display: flex;
.btn {
flex: 1;
height: 90rpx;
border-radius: 50rpx;
display: flex;
justify-content: center;
align-items: center;
&.cancel_btn {
background-color: #CCCCCC;
margin-right: 14rpx;
}
&.confirm_btn {
background-color: #00469B;
color: #fff;
}
}
}
.popup_title {
padding: 30rpx 0 20rpx;
display: flex;
justify-content: center;
align-items: center;
border-bottom: 1rpx solid #eee;
}
.popup_picker {
margin: 60rpx 0;
height: 450rpx;
}
.picker_view {
width: 100%;
height: 450rpx;
}
.picker_item {
line-height: 45px;
text-align: center;
}
}