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464 lines
11 KiB
464 lines
11 KiB
<template> |
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<view class="uni-data-tree"> |
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<view class="uni-data-tree-input" @click="handleInput"> |
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<slot :options="options" :data="inputSelected" :error="errorMessage"> |
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<view class="input-value" :class="{'input-value-border': border}"> |
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<text v-if="errorMessage" class="selected-area error-text">{{errorMessage}}</text> |
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<view v-else-if="loading && !isOpened" class="selected-area"> |
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<uni-load-more class="load-more" :contentText="loadMore" status="loading"></uni-load-more> |
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</view> |
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<scroll-view v-else-if="inputSelected.length" class="selected-area" scroll-x="true"> |
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<view class="selected-list"> |
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<view class="selected-item" v-for="(item,index) in inputSelected" :key="index"> |
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<text>{{item.text}}</text><text v-if="index<inputSelected.length-1" class="input-split-line">{{split}}</text> |
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</view> |
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</view> |
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</scroll-view> |
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<text v-else class="selected-area placeholder">{{placeholder}}</text> |
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<view class="arrow-area" v-if="!readonly"> |
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<view class="input-arrow"></view> |
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</view> |
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</view> |
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</slot> |
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</view> |
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<view class="uni-data-tree-cover" v-if="isOpened" @click="handleClose"></view> |
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<view class="uni-data-tree-dialog" v-if="isOpened"> |
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<view class="dialog-caption"> |
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<view class="title-area"> |
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<text class="dialog-title">{{popupTitle}}</text> |
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</view> |
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<view class="dialog-close" @click="handleClose"> |
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<view class="dialog-close-plus" data-id="close"></view> |
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<view class="dialog-close-plus dialog-close-rotate" data-id="close"></view> |
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</view> |
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</view> |
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<data-picker-view class="picker-view" ref="pickerView" v-model="value" :localdata="localdata" :preload="preload" :collection="collection" :field="field" :orderby="orderby" :where="where" :step-searh="stepSearh" :self-field="selfField" :parent-field="parentField" :managed-mode="true" @change="onchange" @datachange="ondatachange" @nodeclick="onnodeclick"></data-picker-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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import dataPicker from "../uni-data-pickerview/uni-data-picker.js" |
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import DataPickerView from "../uni-data-pickerview/uni-data-pickerview.vue" |
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/** |
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* DataPicker 级联选择 |
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* @description 支持单列、和多列级联选择。列数没有限制，如果屏幕显示不全，顶部tab区域会左右滚动。 |
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* @tutorial https://ext.dcloud.net.cn/plugin?id=3796 |
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* @property {String} popup-title 弹出窗口标题 |
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* @property {Array} localdata 本地数据，参考 |
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* @property {Boolean} border = [true|false] 是否有边框 |
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* @property {Boolean} readonly = [true|false] 是否仅读 |
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* @property {Boolean} preload = [true|false] 是否预加载数据 |
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* @value true 开启预加载数据，点击弹出窗口后显示已加载数据 |
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* @value false 关闭预加载数据，点击弹出窗口后开始加载数据 |
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* @property {Boolean} step-searh = [true|false] 是否分布查询 |
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* @value true 启用分布查询，仅查询当前选中节点 |
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* @value false 关闭分布查询，一次查询出所有数据 |
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* @property {String|DBFieldString} self-field 分布查询当前字段名称 |
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* @property {String|DBFieldString} parent-field 分布查询父字段名称 |
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* @property {String|DBCollectionString} collection 表名 |
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* @property {String|DBFieldString} field 查询字段，多个字段用 `,` 分割 |
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* @property {String} orderby 排序字段及正序倒叙设置 |
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* @property {String|JQLString} where 查询条件 |
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* @event {Function} popupshow 弹出的选择窗口打开时触发此事件 |
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* @event {Function} popuphide 弹出的选择窗口关闭时触发此事件 |
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*/ |
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export default { |
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name: 'UniDataPicker', |
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mixins: [dataPicker], |
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components: { |
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DataPickerView |
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}, |
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props: { |
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options: { |
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type: [Object, Array], |
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default () { |
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return {} |
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} |
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}, |
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popupTitle: { |
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type: String, |
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default: '请选择' |
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}, |
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placeholder: { |
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type: String, |
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default: '请选择' |
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}, |
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heightMobile: { |
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type: String, |
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default: '' |
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}, |
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readonly: { |
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type: Boolean, |
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default: false |
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}, |
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border: { |
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type: Boolean, |
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default: true |
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}, |
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split: { |
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type: String, |
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default: '/' |
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} |
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}, |
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data() { |
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return { |
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isOpened: false, |
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inputSelected: [] |
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} |
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}, |
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created() { |
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this.form = this.getForm('uniForms') |
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this.formItem = this.getForm('uniFormsItem') |
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if (this.formItem) { |
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if (this.formItem.name) { |
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this.rename = this.formItem.name |
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this.form.inputChildrens.push(this) |
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} |
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} |
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this.$nextTick(() => { |
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this.load() |
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}) |
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}, |
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methods: { |
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onPropsChange() { |
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this._treeData = [] |
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this.selectedIndex = 0 |
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this.load() |
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}, |
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load() { |
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if (this.readonly) { |
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this._processReadonly(this.localdata, this.value) |
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return |
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} |
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if (this.isLocaldata) { |
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this.loadData() |
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this.inputSelected = this.selected.slice(0) |
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} else if (!this.parentField && !this.selfField && this.value) { |
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this.getNodeData(() => { |
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this.inputSelected = this.selected.slice(0) |
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}) |
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} else if (this.value.length) { |
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this.getTreePath(() => { |
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this.inputSelected = this.selected.slice(0) |
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}) |
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} |
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}, |
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getForm(name = 'uniForms') { |
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let parent = this.$parent; |
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let parentName = parent.$options.name; |
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while (parentName !== name) { |
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parent = parent.$parent; |
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if (!parent) return false; |
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parentName = parent.$options.name; |
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} |
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return parent; |
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}, |
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show() { |
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this.isOpened = true |
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this.$nextTick(() => { |
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this.$refs.pickerView.updateData({ |
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treeData: this._treeData, |
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selected: this.selected, |
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selectedIndex: this.selectedIndex |
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}) |
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}) |
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this.$emit('popupopened') |
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}, |
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hide() { |
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this.isOpened = false |
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this.$emit('popupclosed') |
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}, |
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handleInput() { |
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if (this.readonly) { |
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return |
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} |
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this.show() |
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}, |
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handleClose(e) { |
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this.hide() |
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}, |
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onnodeclick(e) { |
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this.$emit('nodeclick', e) |
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}, |
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ondatachange(e) { |
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this._treeData = this.$refs.pickerView._treeData |
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}, |
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onchange(e) { |
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this.hide() |
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this.inputSelected = e |
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this._dispatchEvent(e) |
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}, |
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_processReadonly(dataList, valueArray) { |
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var isTree = dataList.findIndex((item) => { |
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return item.children |
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}) |
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if (isTree > -1) { |
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if (Array.isArray(valueArray)) { |
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let inputValue = valueArray[valueArray.length - 1] |
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if (typeof inputValue === 'object' && inputValue.value) { |
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inputValue = inputValue.value |
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} |
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} |
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this.inputSelected = this._findNodePath(inputValue, this.localdata) |
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return |
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} |
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let result = [] |
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for (let i = 0; i < valueArray.length; i++) { |
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var value = valueArray[i] |
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var item = dataList.find((v) => { |
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return v.value == value |
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}) |
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if (item) { |
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result.push(item) |
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} |
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} |
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if (result.length) { |
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this.inputSelected = result |
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} |
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}, |
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_filterForArray(data, valueArray) { |
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var result = [] |
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for (let i = 0; i < valueArray.length; i++) { |
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var value = valueArray[i] |
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var found = data.find((item) => { |
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return item.value == value |
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}) |
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if (found) { |
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result.push(found) |
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} |
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} |
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return result |
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}, |
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_dispatchEvent(selected) { |
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var value = new Array(selected.length) |
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for (var i = 0; i < selected.length; i++) { |
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value[i] = selected[i].value |
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} |
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if (this.formItem) { |
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const item = selected[selected.length - 1] |
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this.formItem.setValue(item.value) |
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} |
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this.$emit('change', { |
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detail: { |
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value: selected |
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} |
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}) |
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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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.uni-data-tree { |
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position: relative; |
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font-size: 14px; |
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} |
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.error-text { |
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color: #DD524D; |
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} |
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.input-value { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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align-items: center; |
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flex-wrap: nowrap; |
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font-size: 14px; |
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line-height: 38px; |
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padding: 0 5px; |
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overflow: hidden; |
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/* #ifdef APP-NVUE */ |
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height: 40px; |
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/* #endif */ |
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} |
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.input-value-border { |
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border: 1px solid #e5e5e5; |
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border-radius: 5px; |
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} |
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.selected-area { |
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flex: 1; |
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overflow: hidden; |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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} |
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.load-more { |
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/* #ifndef APP-NVUE */ |
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margin-right: auto; |
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/* #endif */ |
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/* #ifdef APP-NVUE */ |
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width: 40px; |
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/* #endif */ |
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} |
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.selected-list { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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flex-wrap: nowrap; |
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padding: 0 5px; |
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} |
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.selected-item { |
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flex-direction: row; |
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padding: 0 1px; |
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/* #ifndef APP-NVUE */ |
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white-space: nowrap; |
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/* #endif */ |
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} |
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.placeholder { |
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color: grey; |
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} |
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.input-split-line { |
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opacity: 0.5; |
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} |
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.arrow-area { |
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position: relative; |
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width: 20px; |
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/* #ifndef APP-NVUE */ |
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margin-left: auto; |
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display: flex; |
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/* #endif */ |
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justify-content: center; |
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transform: rotate(-45deg); |
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transform-origin: center; |
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} |
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.input-arrow { |
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width: 7px; |
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height: 7px; |
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border-left: 1px solid #999; |
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border-bottom: 1px solid #999; |
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} |
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.uni-data-tree-cover { |
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position: fixed; |
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left: 0; |
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top: 0; |
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right: 0; |
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bottom: 0; |
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background-color: rgba(0, 0, 0, 0.4); |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: column; |
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z-index: 100; |
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} |
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.uni-data-tree-dialog { |
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position: fixed; |
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left: 0; |
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top: 20%; |
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right: 0; |
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bottom: 0; |
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background-color: #FFFFFF; |
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border-top-left-radius: 10px; |
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border-top-right-radius: 10px; |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: column; |
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z-index: 102; |
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overflow: hidden; |
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/* #ifdef APP-NVUE */ |
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width: 750rpx; |
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/* #endif */ |
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} |
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.dialog-caption { |
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position: relative; |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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border-bottom: 1px solid #f0f0f0; |
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} |
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.title-area { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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align-items: center; |
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/* #ifndef APP-NVUE */ |
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margin: auto; |
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/* #endif */ |
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padding: 0 10px; |
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} |
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.dialog-title { |
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font-weight: bold; |
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line-height: 44px; |
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} |
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.dialog-close { |
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position: absolute; |
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top: 0; |
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right: 0; |
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bottom: 0; |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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align-items: center; |
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padding: 0 15px; |
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} |
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.dialog-close-plus { |
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width: 16px; |
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height: 2px; |
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background-color: #666; |
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border-radius: 2px; |
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transform: rotate(45deg); |
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} |
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.dialog-close-rotate { |
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position: absolute; |
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transform: rotate(-45deg); |
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} |
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.picker-view { |
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flex: 1; |
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overflow: hidden; |
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} |
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/* #ifdef H5 */ |
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@media all and (min-width: 768px) { |
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.uni-data-tree-cover { |
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background-color: transparent; |
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} |
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.uni-data-tree-dialog { |
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position: absolute; |
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top: 100%; |
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height: auto; |
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min-height: 400px; |
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max-height: 50vh; |
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background-color: #fff; |
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border-radius: 5px; |
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box-shadow: 0 0 20px 5px rgba(0, 0, 0, 0.3); |
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} |
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.dialog-caption { |
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display: none; |
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} |
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} |
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/* #endif */ |
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</style> |