<template>
|
<view v-if="value" class="tn-picker-class tn-picker">
|
<tn-popup
|
v-model="value"
|
mode="bottom"
|
:popup="false"
|
length="auto"
|
:safeAreaInsetBottom="safeAreaInsetBottom"
|
:maskCloseable="maskCloseable"
|
:zIndex="elZIndex"
|
@close="close"
|
>
|
<view class="tn-picker__content" :style="{ zIndex: elZIndex }">
|
<!-- 顶部 -->
|
<view class="tn-picker__content__header tn-border-solid-bottom" @touchmove.stop.prevent>
|
<!-- 取消按钮 -->
|
<view
|
class="tn-picker__content__header__btn tn-picker__content__header--cancel"
|
:style="{ color: cancelColor }"
|
hover-class="tn-hover-class"
|
:hover-stay-time="150"
|
@tap="getResult('cancel')"
|
>{{cancelText}}</view>
|
<!-- 标题 -->
|
<view class="tn-picker__content__header__title">{{ title }}</view>
|
<!-- 确认按钮 -->
|
<view
|
class="tn-picker__content__header__btn tn-picker__content__header--confirm"
|
:style="{ color: moving ? cancelColor : confirmColor}"
|
hover-class="tn-hover-class"
|
:hover-stay-time="150"
|
@touchmove.stop
|
@tap.stop="getResult('confirm')"
|
>{{confirmText}}</view>
|
</view>
|
<!-- 主体 -->
|
<view class="tn-picker__content__body">
|
<!-- 地区选择 -->
|
<picker-view
|
v-if="mode === 'region'"
|
class="tn-picker__content__body__view"
|
:value="valueArr"
|
@change="change"
|
@pickstart="pickStart"
|
@pickend="pickEnd"
|
>
|
<picker-view-column v-if="!reset && params.province">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in provinces" :key="index">
|
<view class="tn-text-ellipsis">{{ item.label }}</view>
|
</view>
|
</picker-view-column>
|
<picker-view-column v-if="!reset && params.city">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in citys" :key="index">
|
<view class="tn-text-ellipsis">{{ item.label }}</view>
|
</view>
|
</picker-view-column>
|
<picker-view-column v-if="!reset && params.area">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in areas" :key="index">
|
<view class="tn-text-ellipsis">{{ item.label }}</view>
|
</view>
|
</picker-view-column>
|
</picker-view>
|
<!-- 时间选择 -->
|
<picker-view
|
v-else-if="mode === 'time'"
|
class="tn-picker__content__body__view"
|
:value="valueArr"
|
@change="change"
|
@pickstart="pickStart"
|
@pickend="pickEnd"
|
>
|
<picker-view-column v-if="!reset && params.year">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in years" :key="index">
|
{{ item }}
|
<text v-if="showTimeTag" class="tn-picker__content__body__item__text">年</text>
|
</view>
|
</picker-view-column>
|
<picker-view-column v-if="!reset && params.month">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in months" :key="index">
|
{{ formatNumber(item) }}
|
<text v-if="showTimeTag" class="tn-picker__content__body__item--text">月</text>
|
</view>
|
</picker-view-column>
|
<picker-view-column v-if="!reset && params.day">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in days" :key="index">
|
{{ formatNumber(item) }}
|
<text v-if="showTimeTag" class="tn-picker__content__body__item--text">日</text>
|
</view>
|
</picker-view-column>
|
<picker-view-column v-if="!reset && params.hour">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in hours" :key="index">
|
{{ formatNumber(item) }}
|
<text v-if="showTimeTag" class="tn-picker__content__body__item--text">时</text>
|
</view>
|
</picker-view-column>
|
<picker-view-column v-if="!reset && params.minute">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in minutes" :key="index">
|
{{ formatNumber(item) }}
|
<text v-if="showTimeTag" class="tn-picker__content__body__item--text">分</text>
|
</view>
|
</picker-view-column>
|
<picker-view-column v-if="!reset && params.second">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in seconds" :key="index">
|
{{ formatNumber(item) }}
|
<text v-if="showTimeTag" class="tn-picker__content__body__item--text">秒</text>
|
</view>
|
</picker-view-column>
|
</picker-view>
|
<!-- 单列选择 -->
|
<picker-view
|
v-else-if="mode === 'selector'"
|
class="tn-picker__content__body__view"
|
:value="valueArr"
|
@change="change"
|
@pickstart="pickStart"
|
@pickend="pickEnd"
|
>
|
<picker-view-column v-if="!reset">
|
<view class="tn-picker__content__body__item" v-for="(item, index) in range" :key="index">
|
<view class="tn-text-ellipsis">{{ getItemValue(item, 'selector') }}</view>
|
</view>
|
</picker-view-column>
|
</picker-view>
|
<!-- 多列选择 -->
|
<picker-view
|
v-else-if="mode === 'multiSelector'"
|
class="tn-picker__content__body__view"
|
:value="valueArr"
|
@change="change"
|
@pickstart="pickStart"
|
@pickend="pickEnd"
|
>
|
<picker-view-column v-if="!reset" v-for="(item, index) in range" :key="index">
|
<view class="tn-picker__content__body__item" v-for="(sub_item, sub_index) in item" :key="sub_index">
|
<view class="tn-text-ellipsis">{{ getItemValue(sub_item, 'multiSelector') }}</view>
|
</view>
|
</picker-view-column>
|
</picker-view>
|
</view>
|
</view>
|
</tn-popup>
|
</view>
|
</template>
|
|
<script>
|
import provinces from '../../libs/utils/province.js'
|
import citys from '../../libs/utils/city.js'
|
import areas from '../../libs/utils/area.js'
|
|
export default {
|
name: 'tn-picker',
|
props: {
|
value: {
|
type: Boolean,
|
default: false,
|
},
|
// 顶部标题
|
title: {
|
type: String,
|
default: ''
|
},
|
// picker中显示的参数
|
params: {
|
type: Object,
|
default() {
|
return {
|
year: true,
|
month: true,
|
day: true,
|
hour: false,
|
minute: false,
|
second: false,
|
province: true,
|
city: true,
|
area: true,
|
timestamp: true
|
}
|
}
|
},
|
// 模式选择，region-地区类型，time-时间类型，selector-单列模式，multiSelector-多列模式
|
mode: {
|
type: String,
|
default: 'time'
|
},
|
// 当mode=selector或者mode=multiSelector时，提供的数组
|
range: {
|
type: Array,
|
default() {
|
return []
|
}
|
},
|
// 当mode=selector或者mode=multiSelector时，提供的默认项下标
|
defaultSelector: {
|
type: Array,
|
default() {
|
return [0]
|
}
|
},
|
// 当range是一个Array<Object>时，通过rangeKey来指定Object中key的值作为显示的内容
|
rangeKey: {
|
type: String,
|
default: ''
|
},
|
// 时间模式 ，是否显示时间后的单位
|
showTimeTag: {
|
type: Boolean,
|
default: true
|
},
|
// 开始年份
|
startYear: {
|
type: [String, Number],
|
default: 1950
|
},
|
// 结束年份
|
endYear: {
|
type: [String, Number],
|
default: 2050
|
},
|
// 默认显示的时间
|
// 2021-09-01 || 2021-09-01 13:00:23 || 2021/09/01
|
defaultTime: {
|
type: String,
|
default: ''
|
},
|
// 默认显示的地区
|
// 可传类似["广东省", "广州市", "天河区"]
|
defaultRegin: {
|
type: Array,
|
default() {
|
return []
|
}
|
},
|
// 默认显示的地区编码
|
// 可传类似["11", "1101", "110101"]
|
// 如果defaultRegin和areaCode同时存在，优先使用areaCode的值
|
areaCode: {
|
type: Array,
|
default() {
|
return []
|
}
|
},
|
// 取消按钮的文字
|
cancelText: {
|
type: String,
|
default: '取消'
|
},
|
// 取消按钮的颜色
|
cancelColor: {
|
type: String,
|
default: ''
|
},
|
// 确认按钮的文字
|
confirmText: {
|
type: String,
|
default: '确认'
|
},
|
// 确认按钮的演示
|
confirmColor: {
|
type: String,
|
default: ''
|
},
|
safeAreaInsetBottom: {
|
type: Boolean,
|
default: false
|
},
|
// 是否允许通过点击遮罩关闭
|
maskCloseable: {
|
type: Boolean,
|
default: true
|
},
|
zIndex: {
|
type: Number,
|
default: 0
|
}
|
},
|
computed: {
|
// 监听参数变化
|
propsChange() {
|
return [this.mode, this.defaultTime, this.startYear, this.endYear, this.defaultRegin, this.areaCode]
|
},
|
// 监听地区发生变化
|
regionChange() {
|
return [this.province, this.city]
|
},
|
// 监听年月发生变化
|
yearAndMonth() {
|
return [this.year, this.month]
|
},
|
elZIndex() {
|
return this.zIndex ? this.zIndex : this.$t.zIndex.popup
|
}
|
},
|
data() {
|
return {
|
years: [],
|
months: [],
|
days: [],
|
hours: [],
|
minutes: [],
|
seconds: [],
|
year: 0,
|
month: 0,
|
day: 0,
|
hour: 0,
|
minute: 0,
|
second: 0,
|
reset: false,
|
startDate: '',
|
endDate: '',
|
valueArr: [],
|
provinces: provinces,
|
citys: citys[0],
|
areas: areas[0][0],
|
province: 0,
|
city: 0,
|
area: 0,
|
// 列是否还在滑动中，微信小程序如果在滑动中就点确定，结果可能不准确
|
moving: false
|
}
|
},
|
watch: {
|
propsChange() {
|
this.reset = true
|
setTimeout(() => this.init(), 10)
|
},
|
regionChange() {
|
// 如果地区发生变化，为了让picker联动起来，必须重置this.citys和this.areas
|
this.citys = citys[this.province]
|
this.areas = areas[this.province][this.city]
|
},
|
yearAndMonth() {
|
// 月份的变化，实时变更日的天数，因为不同月份，天数不一样
|
// 一个月可能有30，31天，甚至闰年2月的29天，平年2月28天
|
if (this.params.year) this.setDays()
|
},
|
value(val) {
|
// 微信和QQ小程序由于一些奇怪的原因(故同时对所有平台均初始化一遍)，需要重新初始化才能显示正确的值
|
if (val) {
|
this.reset = true
|
setTimeout(() => this.init(), 10)
|
}
|
}
|
},
|
mounted() {
|
this.init()
|
},
|
methods: {
|
// 记录开始滑动
|
pickStart() {
|
// #ifdef MP-WEIXIN
|
this.moving = true
|
// #endif
|
},
|
// 记录滚动结束
|
pickEnd() {
|
// #ifdef MP-WEIXIN
|
this.moving = false
|
// #endif
|
},
|
// 根据传递的列表的数据获取显示的数据
|
getItemValue(item, mode) {
|
// 单列模式或者多列模式中的getItemValue同时被执行，故在这里再加一层判断
|
if (this.mode === mode) {
|
return typeof item === 'object' ? item[this.rangeKey] : item
|
}
|
},
|
// 往数字前面补0
|
formatNumber(num) {
|
return this.$t.number.formatNumberAddZero(num)
|
},
|
// 生成递进的数组
|
generateArray(start, end) {
|
// 转为数值格式，否则用户给end-year等传递字符串值时，下面的end+1会导致字符串拼接，而不是相加
|
start = Number(start)
|
end = Number(end)
|
end = end > start ? end : start
|
// 生成数组并获取其中索引然后提取出来(获取开始和结束之间的数据)
|
return [...Array(end+1).keys()].slice(start)
|
},
|
getIndex(arr, val) {
|
let index = arr.indexOf(val)
|
// 如果index为-1着找不到元素
|
// ~(-1)=(-1)-1=0
|
return ~index ? index : 0
|
},
|
// 日期时间处理
|
initTimeValue() {
|
// 格式化时间，在IE浏览器(uni不存在此情况)，无法识别日期间的"-"间隔符号
|
let fdate = this.defaultTime.replace(/\-/g, '/')
|
fdate = fdate && fdate.indexOf('/') == -1 ? `2021/01/01 ${fdate}` : fdate
|
let time = null
|
if (fdate) time = new Date(fdate)
|
else time = new Date()
|
// 获取年月日时分秒
|
this.year = time.getFullYear()
|
this.month = time.getMonth() + 1
|
this.day = time.getDate()
|
this.hour = time.getHours()
|
this.minute = time.getMinutes()
|
this.second = time.getSeconds()
|
},
|
// 初始化数据
|
init() {
|
this.valueArr = []
|
this.reset = false
|
if (this.mode === 'time') {
|
this.initTimeValue()
|
if (this.params.year) {
|
this.valueArr.push(0)
|
this.setYears()
|
}
|
if (this.params.month) {
|
this.valueArr.push(0)
|
this.setMonths()
|
}
|
if (this.params.day) {
|
this.valueArr.push(0)
|
this.setDays()
|
}
|
if (this.params.hour) {
|
this.valueArr.push(0)
|
this.setHours()
|
}
|
if (this.params.minute) {
|
this.valueArr.push(0)
|
this.setMinutes()
|
}
|
if (this.params.second) {
|
this.valueArr.push(0)
|
this.setSeconds()
|
}
|
} else if (this.mode === 'region') {
|
if (this.params.province) {
|
this.valueArr.push(0)
|
this.setProvinces()
|
}
|
if (this.params.city) {
|
this.valueArr.push(0)
|
this.setCitys()
|
}
|
if (this.params.area) {
|
this.valueArr.push(0)
|
this.setAreas()
|
}
|
} else if (this.mode === 'selector') {
|
this.valueArr = this.defaultSelector
|
} else if (this.mode === 'multiSelector') {
|
this.valueArr = this.defaultSelector
|
this.multiSelectorValue = this.defaultSelector
|
}
|
this.$forceUpdate()
|
},
|
// 设置picker某一列的值
|
setYears() {
|
this.years = this.generateArray(this.startYear, this.endYear)
|
// 设置this.valueArr某一项的值，是为了让picker预选中某一个值
|
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.years, this.year))
|
},
|
setMonths() {
|
this.months = this.generateArray(1, 12)
|
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.months, this.month))
|
},
|
setDays() {
|
let totalDays = new Date(this.year, this.month, 0).getDate()
|
this.days = this.generateArray(1, totalDays)
|
let index = 0
|
// 避免多次触发导致值数组计算错误
|
if (this.params.year && this.params.month) index = 2
|
else if (this.params.month) index = 1
|
else if (this.params.year) index = 1
|
else index = 0
|
|
// 当月份变化时，会导致日期的天数也会变化，如果原来选的天数大于变化后的天数，则重置为变化后的最大值
|
// 比如原来选中3月31日，调整为2月后，日期变为最大29，这时如果day值继续为31显然不合理，于是将其置为29(picker-column从1开始)
|
if (this.day > this.days.length) this.day = this.days.length
|
this.valueArr.splice(index, 1, this.getIndex(this.days, this.day))
|
},
|
setHours() {
|
this.hours = this.generateArray(0, 23)
|
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.hours, this.hour))
|
},
|
setMinutes() {
|
this.minutes = this.generateArray(0, 59)
|
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.minutes, this.minute))
|
},
|
setSeconds() {
|
this.seconds = this.generateArray(0, 59)
|
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.seconds, this.second))
|
},
|
setProvinces() {
|
if (!this.params.province) return
|
let tmp = ''
|
let useCode = false
|
// 如果同时配置了defaultRegion和areaCode，优先使用areaCode参数
|
if (this.areaCode.length) {
|
tmp = this.areaCode[0]
|
useCode = true
|
} else if (this.defaultRegin.length) {
|
tmp = this.defaultRegin[0]
|
} else {
|
tmp = 0
|
}
|
// 遍历省份数组
|
provinces.map((v, k) => {
|
if (useCode ? v.value == tmp : v.label == tmp) {
|
this.province = k
|
return
|
}
|
})
|
this.provinces = provinces
|
this.valueArr.splice(0, 1, this.province)
|
},
|
setCitys() {
|
if (!this.params.city) return
|
let tmp = ''
|
let useCode = false
|
// 如果同时配置了defaultRegion和areaCode，优先使用areaCode参数
|
if (this.areaCode.length) {
|
tmp = this.areaCode[1]
|
useCode = true
|
} else if (this.defaultRegin.length) {
|
tmp = this.defaultRegin[1]
|
} else {
|
tmp = 0
|
}
|
// 遍历省份数组
|
citys[this.province].map((v, k) => {
|
if (useCode ? v.value == tmp : v.label == tmp) {
|
this.city = k
|
return
|
}
|
})
|
this.citys = citys[this.province]
|
this.valueArr.splice(1, 1, this.city)
|
},
|
setAreas() {
|
if (!this.params.area) return
|
let tmp = ''
|
let useCode = false
|
// 如果同时配置了defaultRegion和areaCode，优先使用areaCode参数
|
if (this.areaCode.length) {
|
tmp = this.areaCode[2]
|
useCode = true
|
} else if (this.defaultRegin.length) {
|
tmp = this.defaultRegin[2]
|
} else {
|
tmp = 0
|
}
|
// 遍历省份数组
|
areas[this.province][this.city].map((v, k) => {
|
if (useCode ? v.value == tmp : v.label == tmp) {
|
this.area = k
|
return
|
}
|
})
|
this.areas = areas[this.province][this.city]
|
this.valueArr.splice(2, 1, this.area)
|
},
|
close() {
|
this.$emit('input', false)
|
},
|
// 监听用户修改了picker列选项
|
change(event) {
|
this.valueArr = event.detail.value
|
let i = 0
|
if (this.mode === 'time') {
|
// 使用i++是因为不知道数组的长度
|
if (this.params.year) this.year = this.years[this.valueArr[i++]]
|
if (this.params.month) this.month = this.months[this.valueArr[i++]]
|
if (this.params.day) this.day = this.days[this.valueArr[i++]]
|
if (this.params.hour) this.hour = this.hours[this.valueArr[i++]]
|
if (this.params.minute) this.minute = this.minutes[this.valueArr[i++]]
|
if (this.params.second) this.second = this.seconds[this.valueArr[i++]]
|
} else if (this.mode === 'region') {
|
// 标记省市是否发生了变化
|
let provinceChange = false,
|
cityChange = false
|
if (this.params.province) {
|
let value = this.valueArr[i++]
|
if (this.province != value) {
|
// 如果省份发生了变化，则重置市区的索引为0
|
this.city = 0
|
this.area = 0
|
provinceChange = true
|
}
|
this.province = value
|
}
|
if (this.params.city && !provinceChange) {
|
let value = this.valueArr[i++]
|
if (this.city != value) {
|
// 如果市发生了变化，则重置区的索引为0
|
this.area = 0
|
cityChange = true
|
}
|
this.city = value
|
}
|
if (this.params.area && !provinceChange && !cityChange) this.area = this.valueArr[i++]
|
|
// 如果有省市进行了改变，重新设置列表的值
|
if (provinceChange || cityChange) {
|
this.valueArr = [this.province, this.city, this.area]
|
}
|
} else if (this.mode === 'multiSelector') {
|
let index = null
|
// 对比前后两个数组，寻找变更的是哪一列，如果某一个元素不同，即可判定该列发生了变化
|
this.defaultSelector.map((v, idx) => {
|
if (v != event.detail.value[idx]) index = idx
|
})
|
// 为了让用户对多列变化时，动态设置其他列
|
if (index != null) {
|
this.$emit('columnchange', {
|
column: index,
|
index: event.detail.value[index]
|
})
|
}
|
}
|
},
|
// 用户点击确定按钮
|
getResult(event = null) {
|
// #ifdef MP-WEIXIN
|
if (this.moving) return
|
// #endif
|
let result = {}
|
// 只返回用户需要的数据
|
if (this.mode === 'time') {
|
if (this.params.year) result.year = this.formatNumber(this.year || 0)
|
if (this.params.month) result.month = this.formatNumber(this.month || 0)
|
if (this.params.day) result.day = this.formatNumber(this.day || 0)
|
if (this.params.hour) result.hour = this.formatNumber(this.hour || 0)
|
if (this.params.minute) result.minute = this.formatNumber(this.minute || 0)
|
if (this.params.second) result.second = this.formatNumber(this.second || 0)
|
if (this.params.timestamp) result.timestamp = this.getTimestamp()
|
} else if (this.mode === 'region') {
|
if (this.params.province) result.province = provinces[this.province]
|
if (this.params.city) result.city = citys[this.province][this.city]
|
if (this.params.area) result.area = areas[this.province][this.city][this.area]
|
} else if (this.mode === 'multiSelector') {
|
result = this.valueArr
|
} else if (this.mode === 'selector') {
|
result = this.valueArr
|
}
|
|
if (event) this.$emit(event, result)
|
this.close()
|
},
|
// 获取时间戳
|
getTimestamp() {
|
// yyyy-mm-dd为安卓写法，不支持iOS，需要使用"/"分隔，才能二者兼容
|
let time = this.year + '/' + this.month + '/' + this.day + ' ' + this.hour + ':' + this.minute + ':' + this.second;
|
return new Date(time).getTime() / 1000;
|
}
|
}
|
}
|
</script>
|
|
<style lang="scss" scoped>
|
|
.tn-picker {
|
&__content {
|
position: relative;
|
|
&__header {
|
position: relative;
|
display: flex;
|
flex-direction: row;
|
width: 100%;
|
height: 90rpx;
|
padding: 0 40rpx;
|
align-items: center;
|
justify-content: space-between;
|
box-sizing: border-box;
|
font-size: 30rpx;
|
background-color: #FFFFFF;
|
|
&__btn {
|
padding: 16rpx;
|
box-sizing: border-box;
|
text-align: center;
|
text-decoration: none;
|
}
|
|
&__title {
|
color: $tn-font-color;
|
}
|
|
&--cancel {
|
color: $tn-font-sub-color;
|
}
|
|
&--confirm {
|
color: $tn-main-color;
|
}
|
}
|
|
&__body {
|
width: 100%;
|
height: 500rpx;
|
overflow: hidden;
|
background-color: #FFFFFF;
|
|
&__view {
|
height: 100%;
|
box-sizing: border-box;
|
}
|
|
&__item {
|
display: flex;
|
flex-direction: row;
|
align-items: center;
|
justify-content: center;
|
font-size: 32rpx;
|
color: $tn-font-color;
|
padding: 0 8rpx;
|
|
&--text {
|
font-size: 24rpx;
|
padding-left: 8rpx;
|
}
|
}
|
}
|
}
|
}
|
</style>
|
