253 lines
6.6 KiB
Vue
253 lines
6.6 KiB
Vue
<!-- 省市区选择弹窗 -->
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<template>
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<uni-popup type="bottom" ref="pickerPopupRef" background-color="#fff">
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<view class="ui-region-picker">
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<p-toolbar
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:cancelColor="cancelColor"
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:confirmColor="confirmColor"
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:cancelText="cancelText"
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:confirmText="confirmText"
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title="选择区域"
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@cancel="onCancel"
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@confirm="onConfirm('confirm')"
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/>
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<view class="ui-picker-body">
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<picker-view
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:value="state.currentIndex"
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@change="change"
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class="ui-picker-view"
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@pickstart="pickstart"
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@pickend="pickend"
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>
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<picker-view-column>
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<view class="ui-column-item" v-for="province in provinceList" :key="province.id">
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<view :style="getSizeByNameLength(province.name)">{{ province.name }}</view>
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</view>
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</picker-view-column>
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<picker-view-column>
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<view class="ui-column-item" v-for="city in cityList" :key="city.id">
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<view :style="getSizeByNameLength(city.name)">{{ city.name }}</view>
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</view>
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</picker-view-column>
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<picker-view-column>
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<view class="ui-column-item" v-for="district in districtList" :key="district.id">
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<view :style="getSizeByNameLength(district.name)">{{ district.name }}</view>
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</view>
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</picker-view-column>
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</picker-view>
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</view>
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</view>
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</uni-popup>
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</template>
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<script setup>
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/**
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* picker picker弹出选择器
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* @property {Object} params 需要显示的参
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* @property {Boolean} safe-area-inset-bottom 是否开启底部安全区适配（默认false）
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* @property {Boolean} show-time-tag 时间模式时，是否显示后面的年月日中文提示
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* @property {String} cancel-color 取消按钮的颜色
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* @property {String} confirm-color 确认按钮的颜色
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* @property {String} confirm-text 确认按钮的文字
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* @property {String} cancel-text 取消按钮的文字
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* @property {String} default-region 默认选中的地区，
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* @property {String} default-code 默认选中的地区
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* @property {Boolean} mask-close-able 是否允许通过点击遮罩关闭Picker（默认true）
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* @property {String Number} z-index 弹出时的z-index值（默认1075）
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* @property {Array} default-selector 数组形式，其中每一项表示选择了range对应项中的第几个
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* @property {String} range-key 当range参数的元素为对象时，指定Object中的哪个key的值作为选择器显示内容
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* @event {Function} confirm 点击确定按钮，返回当前选择的值
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* @event {Function} cancel 点击取消按钮，返回当前选择的值
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*/
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import { computed, reactive, defineExpose, ref } from 'vue'
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const props = defineProps({
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// "取消"按钮的颜色
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cancelColor: {
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type: String,
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default: '#6666',
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},
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// "确定"按钮的颜色
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confirmColor: {
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type: String,
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default: 'var(--ui-BG-Main)',
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},
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// 取消按钮的文字
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cancelText: {
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type: String,
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default: '取消',
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},
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// 确认按钮的文字
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confirmText: {
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type: String,
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default: '确认',
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},
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})
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const areaData = uni.getStorageSync('areaData')
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const pickerPopupRef = ref(null)
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const getSizeByNameLength = (name) => {
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let length = name.length
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if (length <= 7) return ''
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if (length < 9) {
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return 'font-size:28rpx'
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} else {
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return 'font-size: 24rpx'
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}
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}
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const state = reactive({
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currentIndex: [0, 0, 0],
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moving: false, // 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
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})
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const emits = defineEmits(['confirm', 'cancel', 'change'])
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const provinceList = areaData
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const cityList = computed(() => {
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return areaData[state.currentIndex[0]]?.children
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})
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const districtList = computed(() => {
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return cityList.value[state.currentIndex[1]]?.children
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})
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// 标识滑动开始，只有微信小程序才有这样的事件
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const pickstart = () => {
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// #ifdef MP-WEIXIN
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state.moving = true
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// #endif
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}
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// 标识滑动结束
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const pickend = () => {
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// #ifdef MP-WEIXIN
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state.moving = false
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// #endif
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}
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const onCancel = () => {
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pickerPopupRef.value.close()
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emits('cancel')
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}
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function onOpen() {
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pickerPopupRef.value.open()
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}
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// 用户更改picker的列选项
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const change = (e) => {
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if (state.currentIndex[0] === e.detail.value[0] && state.currentIndex[1] === e.detail.value[1]) {
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// 不更改省市区列表
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state.currentIndex[2] = e.detail.value[2]
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return
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} else {
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// 更改省市区列表
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if (state.currentIndex[0] !== e.detail.value[0]) {
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e.detail.value[1] = 0
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}
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e.detail.value[2] = 0
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state.currentIndex = e.detail.value
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}
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emits('change', state.currentIndex)
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}
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// 用户点击确定按钮
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const onConfirm = (event = null) => {
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// #ifdef MP-WEIXIN
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if (state.moving) return
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// #endif
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let index = state.currentIndex
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let province = provinceList[index[0]]
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let city = cityList.value[index[1]]
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let district = districtList.value[index[2]]
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let result = {
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province_name: province.name,
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province_id: province.id,
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city_name: city.name,
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city_id: city.id,
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district_name: district.name,
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district_id: district.id,
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}
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pickerPopupRef.value.close()
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if (event) emits(event, result)
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}
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defineExpose({
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onOpen,
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})
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</script>
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<style lang="scss" scoped>
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.ui-region-picker {
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position: relative;
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z-index: 999;
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}
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.ui-picker-view {
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height: 100%;
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box-sizing: border-box;
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}
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.ui-picker-header {
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width: 100%;
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height: 90rpx;
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padding: 0 40rpx;
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display: flex;
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justify-content: space-between;
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align-items: center;
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box-sizing: border-box;
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font-size: 30rpx;
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background: #fff;
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position: relative;
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}
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.ui-picker-header::after {
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content: '';
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position: absolute;
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border-bottom: 1rpx solid #eaeef1;
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-webkit-transform: scaleY(0.5);
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transform: scaleY(0.5);
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bottom: 0;
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right: 0;
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left: 0;
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}
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.ui-picker__title {
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color: #333;
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}
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.ui-picker-body {
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width: 100%;
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height: 500rpx;
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overflow: hidden;
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background-color: #fff;
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}
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.ui-column-item {
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 32rpx;
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color: #333;
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padding: 0 8rpx;
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}
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.ui-btn-picker {
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padding: 16rpx;
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box-sizing: border-box;
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text-align: center;
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text-decoration: none;
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}
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.ui-opacity {
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opacity: 0.5;
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}
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.ui-btn-picker--primary {
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color: blue;
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}
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.ui-btn-picker--tips {
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color: red;
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}
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</style>
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