<template>
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<!--本文件由FirstUI授权予四川政采招投标咨询有限公司（会员ID： 16 3，营业执照号：9 1 51 0 1 3133200 6 193K）专用，请尊重知识产权，勿私下传播，违者追究法律责任。-->
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<view class="fui-dropdown__menu" ref="fui_dm_wrap" @tap="resetCalc">
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<slot></slot>
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<view class="fui-ddm__mask" :style="{background:maskBackground}" v-if="isShow && isMask" @tap="close(1)">
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</view>
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<view class="fui-dropdown__menu-list"
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:class="{'fui-ddm__down':direction!=='up','fui-ddm__up':direction==='up','fui-ddm__down-show':isShow && direction!=='up','fui-ddm__up-show':isShow && direction==='up'}"
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:style="getStyles" v-if="isNvueShow || !isNvue" ref="fui_ddm_list">
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<scroll-view :show-scrollbar="false" class="fui-ddm__scroll" scroll-y
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:style="{height:isNvue?maxHeight+'rpx':'auto', maxHeight:maxHeight+'rpx',minWidth:minWidth+'rpx'}">
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<view>
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<slot name="item"></slot>
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<view class="fui-dropdown__menu-item"
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:style="{background:background,padding:padding,borderBottomColor:splitLine && isNvue?lineColor:'transparent'}"
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:class="{'fui-ddm__reverse':isReverse,'fui-ddm__item-line':splitLine && itemList.length-1!==index}"
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v-for="(model,index) in itemList" :key="index" @tap.stop="itemClick(index)">
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<view class="fui-ddm__checkbox"
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:class="{'fui-is__checkmark':isCheckMark,'fui-ddm__checkbox-color':(!checkboxColor || checkboxColor===true) && model[checkedKey] && !isCheckMark}"
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:style="{background:model[checkedKey] && !isCheckMark ?getChkColor:'transparent',borderColor:model[checkedKey] && !isCheckMark ?getChkColor:borderColor}"
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v-if="isCheckbox">
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<view class="fui-ddm__checkmark"
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:style="{borderBottomColor:checkmarkColor,borderRightColor:checkmarkColor}"
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v-if="model[checkedKey]"></view>
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</view>
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<view class="fui-ddm__flex">
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<view class="fui-ddm__icon-box"
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:class="{'fui-ddm__icon-ml':!isReverse && isCheckbox,'fui-ddm__icon-mr':isReverse}"
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:style="{width:iconWidth+'rpx',height:iconWidth+'rpx'}" v-if="model[srcKey]">
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<image :src="model[srcKey]" :style="{width:iconWidth+'rpx',height:iconWidth+'rpx'}">
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</image>
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</view>
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<text class="fui-ddm__item-text"
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:class="{'fui-ddm__text-pl':!isReverse && (isCheckbox || model[srcKey]),'fui-ddm__text-pr':isReverse && (isCheckbox || model[srcKey])}"
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:style="{fontSize:size+'rpx',color:selectedColor && model[checkedKey]?selectedColor:color}">{{model[textKey]}}</text>
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</view>
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</view>
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</view>
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</scroll-view>
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</view>
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</view>
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</template>
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<script>
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// #ifdef APP-NVUE
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const dom = weex.requireModule('dom')
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const animation = uni.requireNativePlugin('animation');
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// #endif
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export default {
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name: "fui-dropdown-menu",
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emits: ['click', 'close'],
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props: {
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options: {
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type: Array,
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default () {
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return []
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}
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},
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textKey: {
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type: String,
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default: 'text'
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},
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srcKey: {
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type: String,
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default: 'src'
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},
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checkedKey: {
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type: String,
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default: 'checked'
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},
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maxHeight: {
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type: [Number, String],
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default: 400
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},
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minWidth: {
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type: [Number, String],
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default: 0
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},
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left: {
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type: [Number, String],
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default: 0
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},
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//right大于等于0时生效，left失效
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right: {
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type: [Number, String],
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default: -1
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},
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background: {
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type: String,
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default: '#fff'
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},
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radius: {
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type: [Number, String],
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default: 0
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},
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padding: {
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type: String,
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default: '32rpx'
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},
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isCheckbox: {
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type: Boolean,
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default: true
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},
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//选择框选中后颜色
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checkboxColor: {
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type: String,
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default: ''
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},
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//选择框未选中时边框颜色
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borderColor: {
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type: String,
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default: '#ccc'
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},
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//是否只展示对号，无边框背景
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isCheckMark: {
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type: Boolean,
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default: false
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},
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//对号颜色
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checkmarkColor: {
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type: String,
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default: '#fff'
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},
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//选择框与内容是否颠倒排列
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isReverse: {
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type: Boolean,
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default: false
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},
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//是否需要分割线条
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splitLine: {
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type: Boolean,
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default: false
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},
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lineColor: {
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type: String,
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default: '#eee'
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},
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iconWidth: {
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type: [Number, String],
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default: 48
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},
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size: {
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type: [Number, String],
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default: 32
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},
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color: {
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type: String,
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default: '#181818'
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},
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selectedColor: {
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type: String,
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default: ''
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},
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isMask: {
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type: Boolean,
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default: true
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},
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maskBackground: {
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type: String,
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default: 'transparent'
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},
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//down/up
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direction: {
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type: String,
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default: 'down'
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}
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},
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watch: {
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// #ifdef APP-NVUE
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isShow(val) {
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if (val) {
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this.isNvueShow = true;
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this.$nextTick(() => {
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setTimeout(() => {
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this._animationFn(true);
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}, 50);
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});
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} else {
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this._animationFn(false);
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}
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},
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// #endif
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options(newVal) {
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this.initData(newVal)
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}
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},
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data() {
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let isNvue = false;
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// #ifdef APP-NVUE
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isNvue = true;
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// #endif
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return {
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isNvue,
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isNvueShow: false,
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// #ifdef APP-NVUE
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n_left: 0,
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n_top: 20,
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// #endif
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itemList: [],
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isShow: false
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};
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},
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computed: {
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getStyles() {
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let styles = `border-radius:${this.radius}rpx;background:${this.background};`
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let right = Number(this.right || 0)
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let left = Number(this.left || 0)
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if (right >= 0) {
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styles += 'right:0;'
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} else {
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// #ifndef APP-NVUE
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styles += `left:${left}rpx;`
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// #endif
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}
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// #ifdef APP-NVUE
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left = Math.floor(uni.upx2px(left))
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styles += `left:${this.n_left+left}px;top:${this.n_top}px;height:${this.maxHeight}rpx;`
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// if (this.direction === 'up') {
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// styles += `transform: translate(0, -${this.maxHeight}rpx);`
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// }
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// #endif
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return styles
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},
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getChkColor() {
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let color = this.checkboxColor;
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// #ifdef APP-NVUE
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if (!color || color === true) {
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const app = uni && uni.$fui && uni.$fui.color;
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color = (app && app.primary) || '#465CFF';
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}
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// #endif
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return color;
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}
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},
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created() {
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this.initData(this.options)
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},
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// #ifdef APP-NVUE
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mounted() {
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this.$nextTick(() => {
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setTimeout(() => {
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this.resetCalc()
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}, 100)
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})
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},
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// #endif
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methods: {
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resetCalc(callback, height) {
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// #ifdef APP-NVUE
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if (!this.$refs['fui_dm_wrap']) return;
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dom.getComponentRect(this.$refs['fui_dm_wrap'], option => {
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if (option && option.result && option.size) {
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let cbk = callback && typeof callback === 'function'
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let height = option.size.height
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if (cbk && height) {
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height = height
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}
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let top = option.size.top
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this.n_left = option.size.left;
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this.n_top = this.direction === 'down' ? height + top : top
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if (cbk) {
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callback(true)
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}
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}
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})
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// #endif
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},
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// #ifdef APP-NVUE
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_animationFn(type) {
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if (!this.$refs['fui_ddm_list']) return;
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let styles = {
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opacity: type ? 1 : 0
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}
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if (this.direction === 'up') {
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styles.transform = `translate(0, -100%)`
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}
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animation.transition(
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this.$refs['fui_ddm_list'].ref, {
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styles,
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duration: 300, //ms
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timingFunction: 'ease',
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needLayout: false,
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delay: 0 //ms
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},
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() => {
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if (!type) {
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this.isNvueShow = false;
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}
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}
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);
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},
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// #endif
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initData(vals) {
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if (vals && vals.length > 0) {
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if (typeof vals[0] !== 'object') {
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vals = vals.map(item => {
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return {
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[this.textKey]: item,
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[this.checkedKey]: false
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}
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})
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} else {
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vals.map(item => {
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item[this.checkedKey] = item[this.checkedKey] || false
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})
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}
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this.itemList = vals;
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} else {
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this.itemList = []
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}
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},
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itemClick(index) {
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let item = this.itemList[index]
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let vals = [...this.itemList]
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vals.forEach((item, idx) => {
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if (index === idx) {
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item[this.checkedKey] = true
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} else {
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item[this.checkedKey] = false
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}
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})
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this.itemList = vals;
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this.$emit('click', {
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index: index,
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...item
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})
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this.close(2)
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},
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close(type) {
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this.isShow = false;
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if (type === 1) {
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this.$emit('close', {})
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}
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},
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show() {
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this.isShow = true;
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}
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}
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}
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</script>
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<style scoped>
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.fui-dropdown__menu {
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flex: 1;
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position: relative;
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}
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.fui-ddm__scroll {
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/* #ifndef APP-NVUE */
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width: auto;
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/* #endif */
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flex: 1;
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}
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.fui-dropdown__menu-list {
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/* #ifndef APP-NVUE */
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position: absolute;
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overflow: hidden;
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z-index: 992;
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visibility: hidden;
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transition: all 0.3s ease-in-out;
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/* #endif */
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box-shadow: 0 0 10rpx rgba(2, 4, 38, 0.05);
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opacity: 0;
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/* #ifdef APP-NVUE */
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position: fixed;
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flex-direction: row;
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transition: opacity 0.3s ease-in-out;
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/* #endif */
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}
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.fui-ddm__down {
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transform-origin: 0 0;
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/* #ifndef APP-NVUE */
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bottom: 0;
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transform: translate3d(0, 100%, 0) scaleY(0);
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/* #endif */
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}
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.fui-ddm__down-show {
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/* #ifndef APP-NVUE */
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transform: translate3d(0, 100%, 0) scaleY(1);
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visibility: visible;
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opacity: 1;
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/* #endif */
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}
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.fui-ddm__up {
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transform-origin: 0 100%;
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/* #ifndef APP-NVUE */
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top: 0;
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transform: translate3d(0, -100%, 0) scaleY(0);
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/* #endif */
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/* #ifdef APP-NVUE */
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transform: translate(0, -100%);
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/* #endif */
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}
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.fui-ddm__up-show {
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/* #ifndef APP-NVUE */
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transform: translate3d(0, -100%, 0) scaleY(1);
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visibility: visible;
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opacity: 1;
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/* #endif */
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}
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.fui-ddm__mask {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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z-index: 990;
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}
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.fui-dropdown__menu-item {
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/* #ifndef APP-NVUE */
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width: 100%;
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display: flex;
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box-sizing: border-box;
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transform: scale(1) translateZ(0);
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/* #endif */
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flex-direction: row;
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align-items: center;
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background-color: #FFFFFF;
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position: relative;
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/* #ifdef H5 */
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cursor: pointer;
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/* #endif */
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}
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.fui-ddm__flex {
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/* #ifndef APP-NVUE */
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width: 100%;
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display: flex;
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box-sizing: border-box;
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/* #endif */
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flex: 1;
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flex-direction: row;
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align-items: center;
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}
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.fui-ddm__item-line {
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position: relative;
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/* #ifdef APP-NVUE */
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border-bottom-width: 0.5px;
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border-bottom-style: solid;
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border-bottom-color: #EEEEEE;
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/* #endif */
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/* #ifndef APP-NVUE */
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border-bottom-width: 0;
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/* #endif */
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}
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/* #ifndef APP-NVUE */
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.fui-ddm__item-line::after {
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content: '';
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position: absolute;
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border-bottom: 1px solid var(--fui-color-border, #EEEEEE);
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/* #ifdef H5 */
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transform: scaleY(0.5);
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/* #endif */
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/* #ifndef H5 */
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transform: scaleY(0.5) translateZ(0);
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/* #endif */
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transform-origin: 0 100%;
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bottom: 0;
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right: 0;
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left: 32rpx;
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pointer-events: none;
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}
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/* #endif */
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.fui-dropdown__menu-item:active {
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/* #ifdef APP-NVUE */
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background-color: rgba(0, 0, 0, .2) !important;
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/* #endif */
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/* #ifndef APP-NVUE */
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background-color: var(--fui-bg-color-hover, rgba(0, 0, 0, .2)) !important;
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/* #endif */
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}
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.fui-ddm__reverse {
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justify-content: space-between;
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flex-direction: row-reverse;
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}
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.fui-ddm__checkbox {
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font-size: 0;
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color: rgba(0, 0, 0, 0);
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width: 40rpx;
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height: 40rpx;
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border-width: 1px;
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border-style: solid;
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/* #ifdef APP-NVUE */
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border-radius: 40rpx;
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/* #endif */
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/* #ifndef APP-NVUE */
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display: inline-flex;
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box-sizing: border-box;
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border-radius: 50%;
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vertical-align: top;
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flex-shrink: 0;
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/* #endif */
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flex-direction: row;
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align-items: center;
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justify-content: center;
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overflow: hidden;
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position: relative;
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}
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/* #ifndef APP-NVUE */
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.fui-ddm__checkbox-color {
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background: var(--fui-color-primary, #465CFF) !important;
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border-color: var(--fui-color-primary, #465CFF) !important;
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}
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/* #endif */
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.fui-is__checkmark {
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border-width: 0 !important;
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background-color: transparent !important;
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}
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.fui-ddm__checkmark {
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width: 20rpx;
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height: 40rpx;
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border-bottom-style: solid;
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border-bottom-width: 3px;
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border-bottom-color: #FFFFFF;
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border-right-style: solid;
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border-right-width: 3px;
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border-right-color: #FFFFFF;
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/* #ifndef APP-NVUE */
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box-sizing: border-box;
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transform: rotate(45deg) scale(0.5) translateZ(0);
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/* #endif */
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/* #ifdef APP-NVUE */
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transform: rotate(45deg) scale(0.5);
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/* #endif */
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transform-origin: 54% 48%;
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}
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.fui-ddm__item-text {
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/* #ifndef APP-NVUE */
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word-break: break-all;
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/* #endif */
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font-weight: normal;
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}
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.fui-ddm__text-pl {
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padding-left: 24rpx;
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}
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.fui-ddm__text-pr {
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padding-right: 24rpx;
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}
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.fui-ddm__icon-box {
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overflow: hidden;
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background-color: #F1F4FA;
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/* #ifndef APP-NVUE */
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flex-shrink: 0;
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/* #endif */
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}
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.fui-ddm__icon-ml {
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margin-left: 24rpx;
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}
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.fui-ddm__icon-mr {
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margin-right: 24rpx;
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}
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</style>
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