584 lines
15 KiB
Vue
584 lines
15 KiB
Vue
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<template>
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<view
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class="w-select"
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id="wSelect"
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:style="{
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'--select-wrap-width': width,
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'--select-wrap-height': height,
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'--select-bg-color': bgColor
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}"
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>
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<view :class="isShow ? 'select-wrap-active' : ''" class="select-wrap" @click="changeShow">
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<view v-if="multiple" class="select-content">
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<view class="select-content-item-default" v-if="multiSelectList.length === 0 && !filterable">
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{{ placeholder }}
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</view>
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<view class="select-content-item" v-if="multiSelectList.length > 0">
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{{ multiSelectList[0][valueName] }}
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</view>
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<view class="select-content-item" v-if="multiSelectList.length > 1">
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{{ multiLength }}
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</view>
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</view>
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<input
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v-if="!multiple || filterable"
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type="text"
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@input="inputChange"
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@blur="blurChange"
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:placeholder="multiple ? multiSelectList.length === 0 ? placeholder : '' : placeholder"
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:disabled="!filterable"
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:style="!filterable ? 'pointer-events: none' : ''"
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:value="inputData"
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>
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<!-- #ifdef VUE2 -->
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<view
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@click.stop="refreshValue"
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class="close-icon"
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v-if="showClose && (multiple ? value.length > 0 : value)"
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>
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<image :src="refreshUrl" mode="" />
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</view>
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<view
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v-if="value.length <= 0 || !showClose"
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:class="isShow ? 'w-select-arrow-up' : ''"
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class="w-select-arrow "
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/>
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<!-- #endif -->
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<!-- #ifdef VUE3 -->
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<view
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@click.stop="refreshValue"
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class="close-icon"
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v-if="showClose && (multiple ? modelValue.length > 0 : modelValue)"
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>
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<image :src="refreshUrl" mode="" />
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</view>
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<view
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v-if="modelValue.length <= 0 || !showClose"
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:class="isShow ? 'w-select-arrow-up' : ''"
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class="w-select-arrow "
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/>
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<!-- #endif -->
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<scroll-view
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scroll-y
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v-show="optionsShow"
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:class="[
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isShow
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? showPosition === 'bottom'
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? 'animation-bottom-in'
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: 'animation-top-in'
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: showPosition === 'bottom'
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? 'animation-bottom-out'
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: 'animation-top-out',
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showPosition === 'bottom'
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? 'position-bottom'
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: 'position-top'
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]"
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class="select-options"
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>
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<!-- #ifdef VUE2 -->
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<view
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@click.stop="handleClickItem(item)"
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:class="
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multiple &&
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multiSelectList.find(
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res => res[keyName] === item[keyName]
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)
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? 'item-active'
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: value === item[keyName]
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? 'item-active'
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: ''
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"
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v-for="item in filterList"
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:key="item[keyName]"
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class="select-option-item"
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>
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{{ item[valueName] }}
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</view>
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<!-- #endif -->
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<!-- #ifdef VUE3 -->
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<view
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@click.stop="handleClickItem(item)"
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:class="
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multiple &&
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multiSelectList.find(
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res => res[keyName] === item[keyName]
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)
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? 'item-active'
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: modelValue === item[keyName]
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? 'item-active'
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: ''
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"
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v-for="item in filterList"
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:key="item[keyName]"
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class="select-option-item"
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>
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{{ item[valueName] }}
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</view>
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<!-- #endif -->
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<view class="options-no-data" v-if="filterList.length < 1">
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无匹配数据~
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</view>
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</scroll-view>
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</view>
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<view v-if="isShow" @click="closeContentSelect" class="contentMask" />
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</view>
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</template>
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<script>
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export default {
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props: {
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width: {
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type: String,
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default: '200px'
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},
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height: {
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type: String,
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default: '30px'
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},
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bgColor: {
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type: String,
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default: '#fff'
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},
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// 是否多选
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multiple: {
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type: Boolean,
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default: false
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},
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// 是否可搜索
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filterable: {
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type: Boolean,
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default: false
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},
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// 是否显示关闭按钮
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showClose: {
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type: Boolean,
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default: false
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},
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// 渲染列表
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list: {
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type: Array,
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default: () => []
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},
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// #ifdef VUE3
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// 双向绑定的值
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modelValue: {
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type: [Array, String, Number],
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default: ''
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},
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// #endif
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// #ifdef VUE2
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// 双向绑定的值
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value: {
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type: [Array, String, Number],
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default: ''
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},
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// #endif
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// 默认显示的内容
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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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// 显示的内容
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valueName: {
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type: String,
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default: 'label'
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},
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// 绑定的内容
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keyName: {
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type: String,
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default: 'value'
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}
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},
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// #ifdef VUE3
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emits: ['update:modelValue', 'change'],
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// #endif
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watch: {
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list: {
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immediate: true,
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deep: true,
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handler (news) {
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this.filterList = news
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const findItem = news.find(item => {
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let isItem = ''
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// #ifdef VUE3
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if (item[this.keyName] === this.modelValue) {
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isItem = true
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} else {
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isItem = false
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}
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// #endif
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// #ifdef VUE2
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if (item[this.keyName] === this.value) {
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isItem = true
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} else {
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isItem = false
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}
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// #endif
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return isItem
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})
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if (findItem) {
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this.inputData = findItem[this.valueName]
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}
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}
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},
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// #ifdef VUE2
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value: {
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handler (newValue) {
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if (this.multiple) {
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this.multiSelectList = newValue || []
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} else {
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const findItem = this.list.find(it => it[this.keyName] === newValue)
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if (findItem) {
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this.inputData = findItem[this.valueName]
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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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// #ifdef VUE3
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modelValue: {
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handler (newValue) {
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if (this.multiple) {
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this.multiSelectList = newValue || []
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} else {
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const findItem = this.list.find(it => it[this.keyName] === newValue)
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if (findItem) {
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this.inputData = findItem[this.valueName]
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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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},
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computed: {
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multiLength () {
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const length = this.multiSelectList.length - 1
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return '+' + length
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},
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bottomDistance () {
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return (
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this.windowHeight - this.distanceTop - this.curHeight
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) // 当前元素距离可视屏幕底部的距离
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}
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},
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data () {
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return {
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inputData: '',
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multiSelectList: [],
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isShow: false,
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optionsShow: false,
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windowHeight: null,
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curHeight: null,
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distanceTop: null,
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showPosition: 'bottom',
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filterList: [],
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refreshUrl: 'data:image/svg+xml;base64,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'
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}
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},
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mounted () {
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this.$nextTick(() => {
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const res = uni.getSystemInfoSync()
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this.windowHeight = res.windowHeight // 当前设备屏幕高度
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uni
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.createSelectorQuery()
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.in(this)
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.select('#wSelect')
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.boundingClientRect(data => {
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this.distanceTop = data.top // 当前元素距离顶部的距离
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this.curHeight = data.height
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})
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.exec()
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})
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},
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methods: {
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showPositon () {
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this.showPosition = 'bottom'
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if (this.bottomDistance < this.windowHeight / 3) {
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this.showPosition = 'top'
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}
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},
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changeShow () {
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this.isShow = !this.isShow
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if (this.isShow === false) {
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this.filterList = this.list
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setTimeout(() => {
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this.optionsShow = false
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}, 200)
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} else {
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this.showPositon()
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this.optionsShow = this.isShow
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}
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},
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closeContentSelect () {
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this.isShow = false
|
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setTimeout(() => {
|
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this.optionsShow = false
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}, 200)
|
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},
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setValue (value = '') {
|
||
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// #ifdef VUE3
|
||
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this.$emit('update:modelValue', value)
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// #endif
|
||
|
|
|
||
|
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// #ifdef VUE2
|
||
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this.$emit('input', value)
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|
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// #endif
|
||
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},
|
||
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inputChange (e) {
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||
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const value = e.detail.value
|
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if (this.multiple && this.filterable) {
|
||
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this.inputData = value
|
||
|
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} else {
|
||
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this.setValue(value)
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this.inputData = value
|
||
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}
|
||
|
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||
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this.filterList = this.list.filter(item =>
|
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item[this.valueName].includes(value)
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)
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},
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blurChange (e) {
|
||
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const value = e.detail.value
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||
|
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||
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if (this.multiple && this.filterable && value) {
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const curValue = {
|
||
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[this.keyName]: value,
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[this.valueName]: value
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}
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this.multiSelect(curValue)
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}
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||
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},
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||
|
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refreshValue () {
|
||
|
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this.setValue('')
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||
|
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this.inputData = ''
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||
|
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this.$emit('change', '')
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||
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this.filterList = this.list
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||
|
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if (this.multiple) {
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||
|
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this.multiSelectList = []
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||
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}
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||
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},
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||
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handleClickItem (e) {
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||
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if (this.multiple) {
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||
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this.multiSelect(e)
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||
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} else {
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||
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this.setValue(e[this.keyName])
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||
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this.inputData = e[this.valueName]
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||
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this.$emit('change', e)
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||
|
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this.changeShow()
|
||
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}
|
||
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},
|
||
|
|
multiSelect (item) {
|
||
|
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const index = this.multiSelectList.findIndex(
|
||
|
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res => res[this.valueName] === item[this.valueName]
|
||
|
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)
|
||
|
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if (index > -1) {
|
||
|
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this.multiSelectList.splice(index, 1)
|
||
|
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} else {
|
||
|
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this.multiSelectList.push(item)
|
||
|
|
}
|
||
|
|
this.inputData = ''
|
||
|
|
this.filterList = this.list
|
||
|
|
this.setValue(this.multiSelectList)
|
||
|
|
this.$emit('change', item)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
<style lang="scss" scoped>
|
||
|
|
.w-select {
|
||
|
|
--select-wrap-width: 200px;
|
||
|
|
--select-wrap-height: 30px;
|
||
|
|
--select-border-radius: 4px;
|
||
|
|
--select-border: 1px solid #dcdfe6;
|
||
|
|
--select-active-border: 1px solid #409eff;
|
||
|
|
--select-options-max-height: 150px;
|
||
|
|
--select-option-item-font-size: 14px;
|
||
|
|
--select-input-font-size: 14px;
|
||
|
|
--no-data-default-color: #999999;
|
||
|
|
--select-options-box-shadow: 0px 0px 12px rgb(0 0 0 / 12%);
|
||
|
|
--select-bg-color: #ffffff;
|
||
|
|
.select-wrap {
|
||
|
|
position: relative;
|
||
|
|
display: flex;
|
||
|
|
justify-content: space-between;
|
||
|
|
align-items: center;
|
||
|
|
width: var(--select-wrap-width);
|
||
|
|
height: var(--select-wrap-height);
|
||
|
|
border: var(--select-border);
|
||
|
|
border-radius: var(--select-border-radius);
|
||
|
|
background-color: var(--select-bg-color);
|
||
|
|
transition: all 0.2s;
|
||
|
|
input {
|
||
|
|
padding: 0 2px;
|
||
|
|
width: 100%;
|
||
|
|
min-width: 0;
|
||
|
|
height: 100%;
|
||
|
|
font-size: var(--select-input-font-size);
|
||
|
|
flex: 1;
|
||
|
|
}
|
||
|
|
.select-content {
|
||
|
|
display: flex;
|
||
|
|
align-items: center;
|
||
|
|
font-size: var(--select-option-item-font-size);
|
||
|
|
.select-content-item {
|
||
|
|
margin-left: 5px;
|
||
|
|
padding: 2px 6px;
|
||
|
|
border-radius: var(--select-border-radius);
|
||
|
|
color: #aa93b1;
|
||
|
|
background-color: #f4f4f5;
|
||
|
|
}
|
||
|
|
.select-content-item-default {
|
||
|
|
margin-left: 5px;
|
||
|
|
color: var(--no-data-default-color);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
.close-icon {
|
||
|
|
position: absolute;
|
||
|
|
top: 50%;
|
||
|
|
right: 7px;
|
||
|
|
z-index: 1000;
|
||
|
|
width: 15px;
|
||
|
|
height: 15px;
|
||
|
|
transform: translateY(-50%);
|
||
|
|
image {
|
||
|
|
width: 100%;
|
||
|
|
height: 100%;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
.position-bottom {
|
||
|
|
top: calc(var(--select-wrap-height) + 10px);
|
||
|
|
}
|
||
|
|
.position-top {
|
||
|
|
bottom: calc(var(--select-wrap-height) + 10px);
|
||
|
|
}
|
||
|
|
.select-options {
|
||
|
|
position: absolute;
|
||
|
|
right: 0;
|
||
|
|
left: 0;
|
||
|
|
z-index: 999;
|
||
|
|
overflow: scroll;
|
||
|
|
padding: 10px;
|
||
|
|
max-height: var(--select-options-max-height);
|
||
|
|
border-radius: var(--select-border-radius);
|
||
|
|
background-color: var(--select-bg-color);
|
||
|
|
box-shadow: var(--select-options-box-shadow);
|
||
|
|
.select-option-item {
|
||
|
|
margin-bottom: 5px;
|
||
|
|
padding: 5px;
|
||
|
|
font-size: var(--select-option-item-font-size);
|
||
|
|
transition: background-color 0.2s;
|
||
|
|
}
|
||
|
|
.item-active {
|
||
|
|
font-weight: 700;
|
||
|
|
color: #409eff;
|
||
|
|
background-color: #f5f7fa;
|
||
|
|
}
|
||
|
|
.options-no-data {
|
||
|
|
font-size: var(--select-option-item-font-size);
|
||
|
|
text-align: center;
|
||
|
|
color: var(--no-data-default-color);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
.w-select-arrow {
|
||
|
|
display: inline-block;
|
||
|
|
margin: 3px 10px 0;
|
||
|
|
width: 8px;
|
||
|
|
height: 8px;
|
||
|
|
border-top: 1px solid transparent;
|
||
|
|
border-right: 1px solid transparent;
|
||
|
|
border-bottom: 1px solid #999999;
|
||
|
|
border-left: 1px solid #999999;
|
||
|
|
transition: all 0.3s;
|
||
|
|
transform: translateY(-50%) rotate(-45deg);
|
||
|
|
}
|
||
|
|
.w-select-arrow-up {
|
||
|
|
transform: rotate(-225deg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
.select-wrap-active {
|
||
|
|
border: var(--select-active-border);
|
||
|
|
}
|
||
|
|
.animation-bottom-in {
|
||
|
|
animation-name: bottom-in;
|
||
|
|
animation-duration: 0.4s;
|
||
|
|
animation-timing-function: ease-out;
|
||
|
|
animation-fill-mode: both;
|
||
|
|
}
|
||
|
|
.animation-bottom-out {
|
||
|
|
animation-name: bottom-out;
|
||
|
|
animation-duration: 0.2s;
|
||
|
|
animation-timing-function: ease-out;
|
||
|
|
animation-fill-mode: both;
|
||
|
|
}
|
||
|
|
.animation-top-in {
|
||
|
|
animation-name: top-in;
|
||
|
|
animation-duration: 0.4s;
|
||
|
|
animation-timing-function: ease-out;
|
||
|
|
animation-fill-mode: both;
|
||
|
|
}
|
||
|
|
.animation-top-out {
|
||
|
|
animation-name: top-out;
|
||
|
|
animation-duration: 0.2s;
|
||
|
|
animation-timing-function: ease-out;
|
||
|
|
animation-fill-mode: both;
|
||
|
|
}
|
||
|
|
|
||
|
|
@keyframes bottom-in {
|
||
|
|
0% {
|
||
|
|
opacity: 0;
|
||
|
|
transform: translateY(-15%);
|
||
|
|
}
|
||
|
|
100% {
|
||
|
|
opacity: 1;
|
||
|
|
transform: translateY(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@keyframes bottom-out {
|
||
|
|
0% {
|
||
|
|
opacity: 1;
|
||
|
|
transform: translateY(0);
|
||
|
|
}
|
||
|
|
100% {
|
||
|
|
opacity: 0;
|
||
|
|
transform: translateY(-20%);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@keyframes top-in {
|
||
|
|
0% {
|
||
|
|
opacity: 0;
|
||
|
|
transform: translateY(15%);
|
||
|
|
}
|
||
|
|
100% {
|
||
|
|
opacity: 1;
|
||
|
|
transform: translateY(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@keyframes top-out {
|
||
|
|
0% {
|
||
|
|
opacity: 1;
|
||
|
|
transform: translateY(0);
|
||
|
|
}
|
||
|
|
100% {
|
||
|
|
opacity: 0;
|
||
|
|
transform: translateY(20%);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
.contentMask {
|
||
|
|
position: fixed;
|
||
|
|
top: 0;
|
||
|
|
right: 0;
|
||
|
|
bottom: 0;
|
||
|
|
left: 0;
|
||
|
|
z-index: 998;
|
||
|
|
width: 100%;
|
||
|
|
height: 100%;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</style>
|