380 lines
8.7 KiB
Vue
380 lines
8.7 KiB
Vue
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<template>
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<view class="superwei-combox" :class="border ? '' : 'superwei-combox__no-border'">
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<view v-if="label" class="superwei-combox__label" :style="labelStyle">
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<text>{{label}}</text>
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</view>
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<view class="superwei-combox__input-box">
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<input class="superwei-combox__input" type="text" :placeholder="placeholder"
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placeholder-class="superwei-combox__input-plac" v-model="inputVal" @input="onInput" @focus="onFocus"
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@blur="onBlur" />
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<uni-icons :type="showSelector? 'top' : 'bottom'" size="14" color="#999" @click="toggleSelector">
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</uni-icons>
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</view>
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<view class="superwei-combox__selector" v-if="showSelector">
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<view class="uni-popper__arrow"></view>
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<scroll-view scroll-y="true" class="superwei-combox__selector-scroll">
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<view class="superwei-combox__selector-empty" v-if="filterCandidatesLength === 0">
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<text>{{emptyTips}}</text>
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</view>
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<view class="superwei-combox__selector-item" v-for="(item,index) in filterCandidates" :key="index">
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<template v-if="(isJSON?(item.disabled?true:false):false)">
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<text
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:style="'color:'+disabledColor+';cursor: not-allowed;'">{{isJSON?item[keyName]?item[keyName]:'字段'+keyName+'不存在':item}}</text>
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</template>
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<template v-else>
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<text @click="onSelectorClick(index)"
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:style="(isJSON?item[keyName]?item[keyName]==inputVal:false:item==inputVal)?'font-weight: bold;background-color: '+selectedBackground+';color: '+selectedColor:''">{{isJSON?item[keyName]?item[keyName]:'字段'+keyName+'不存在':item}}</text>
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</template>
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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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/**
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* Combox 组合输入框
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* @description 组合输入框一般用于既可以输入也可以选择的场景
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* @property {String} label 左侧文字
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* @property {String} labelWidth 左侧内容宽度
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* @property {String} placeholder 输入框占位符
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* @property {Array} candidates 候选项列表
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* @property {String} emptyTips 筛选结果为空时显示的文字
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* @property {String} value 组合框的值
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* @property {String} selectedBackground 选中项背景颜色
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* @property {String} selectedColor 选中项文字颜色
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* @property {Boolean} isJSON 是否是json数组
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* @property {String} keyName json数组显示的字段值
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* @property {String} disabledColor 禁用项文字颜色
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* @property {Boolean} isAllowCreate 是否允许用户创建新条目
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*/
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export default {
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name: 'superweiCombox',
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emits: ['input', 'update:modelValue', 'select'],
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props: {
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isAllowCreate: {
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type: Boolean,
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default: true
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},
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disabledColor: {
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type: String,
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default: '#ababac'
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},
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isJSON: {
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type: Boolean,
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default: false
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},
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keyName: {
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type: String,
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default: ''
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},
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selectedBackground: {
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type: String,
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default: '#f5f7fa'
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},
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selectedColor: {
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type: String,
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default: '#409eff'
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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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label: {
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type: String,
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default: ''
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},
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labelWidth: {
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type: String,
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default: 'auto'
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},
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placeholder: {
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type: String,
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default: ''
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},
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candidates: {
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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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emptyTips: {
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type: String,
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default: '无匹配项'
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},
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// #ifndef VUE3
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value: {
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type: [String, Number],
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default: ''
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},
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// #endif
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// #ifdef VUE3
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modelValue: {
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type: [String, Number],
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default: ''
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},
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// #endif
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},
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data() {
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return {
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isInput: false,
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showSelector: false,
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isSelector: false,
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inputVal: ''
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}
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},
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computed: {
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labelStyle() {
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if (this.labelWidth === 'auto') {
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return ""
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}
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return `width: ${this.labelWidth}`
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},
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filterCandidates() {
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if (this.isInput) {
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if (this.isJSON) {
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return this.candidates.filter((item) => {
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return item[this.keyName].toString().indexOf(this.inputVal) > -1
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})
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} else {
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return this.candidates.filter((item) => {
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return item.toString().indexOf(this.inputVal) > -1
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})
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}
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} else {
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return this.candidates
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}
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},
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filterCandidatesLength() {
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return this.filterCandidates.length
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}
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},
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watch: {
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// #ifndef VUE3
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value: {
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handler(newVal) {
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this.inputVal = newVal
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this.isInput = true
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},
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immediate: true
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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(newVal) {
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this.inputVal = newVal
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this.isInput = true
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},
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immediate: true
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},
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// #endif
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},
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methods: {
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toggleSelector() {
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this.showSelector = !this.showSelector
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this.isInput = false
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},
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onFocus() {
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this.showSelector = true
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this.isInput = false
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},
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onChange() {
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setTimeout(() => {
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this.showSelector = false
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this.isInput = false
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}, 200)
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},
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onBlur() {
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if (!this.isInput) {
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this.onChange()
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} else {
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if (this.inputVal && !this.isAllowCreate) {
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let index = this.candidates.findIndex((item) => {
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if (this.isJSON) {
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return item[this.keyName].toString() == this.inputVal && !item.disabled
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} else {
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return item.toString() == this.inputVal
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}
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})
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if (index == -1) {
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if (this.filterCandidatesLength > 0) {
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setTimeout(() => {
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this.showSelector = false
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this.isInput = false
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if (!this.isSelector) {
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this.inputVal = ''
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this.$emit('input', this.inputVal)
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this.$emit('update:modelValue', this.inputVal)
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}
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}, 200)
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this.isSelector = false
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} else {
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this.showSelector = false
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this.isInput = false
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this.inputVal = ''
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this.$emit('input', this.inputVal)
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this.$emit('update:modelValue', this.inputVal)
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}
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} else {
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this.onChange()
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}
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} else {
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this.onChange()
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}
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}
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},
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onSelectorClick(index) {
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let item = this.filterCandidates[index]
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if (this.isJSON) {
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this.inputVal = item[this.keyName]
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} else {
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this.inputVal = item
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}
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this.showSelector = false
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this.isSelector = true
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this.$emit('input', this.inputVal)
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this.$emit('update:modelValue', this.inputVal)
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this.$emit('select', item)
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},
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onInput() {
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setTimeout(() => {
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this.$emit('input', this.inputVal)
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this.$emit('update:modelValue', this.inputVal)
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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 lang="scss" scoped>
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.superwei-combox {
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font-size: 14px;
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border: 1px solid #DCDFE6;
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border-radius: 4px;
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padding: 6px 10px;
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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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// height: 40px;
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flex-direction: row;
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align-items: center;
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// border-bottom: solid 1px #DDDDDD;
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}
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.superwei-combox__label {
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font-size: 16px;
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line-height: 22px;
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padding-right: 10px;
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color: #999999;
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}
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.superwei-combox__input-box {
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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: 1;
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flex-direction: row;
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align-items: center;
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cursor: pointer;
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}
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.superwei-combox__input {
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flex: 1;
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font-size: 14px;
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height: 22px;
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line-height: 22px;
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}
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.superwei-combox__input-plac {
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font-size: 14px;
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color: #ccc; //placeholder-style="color:#FFFFFF"
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}
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.superwei-combox__selector {
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/* #ifndef APP-NVUE */
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box-sizing: border-box;
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/* #endif */
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position: absolute;
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top: calc(100% + 12px);
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left: 0;
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width: 100%;
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background-color: #FFFFFF;
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border: 1px solid #EBEEF5;
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border-radius: 6px;
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box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
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z-index: 2;
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padding: 4px 0;
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}
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.superwei-combox__selector-scroll {
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/* #ifndef APP-NVUE */
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max-height: 200px;
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box-sizing: border-box;
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/* #endif */
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}
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.superwei-combox__selector-empty,
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.superwei-combox__selector-item {
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/* #ifndef APP-NVUE */
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display: flex;
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cursor: pointer;
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/* #endif */
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line-height: 36px;
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font-size: 14px;
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text-align: center;
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// border-bottom: solid 1px #DDDDDD;
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padding: 0px 0px;
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}
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.superwei-combox__selector-empty text,
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.superwei-combox__selector-item text {
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width: 100%;
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}
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.superwei-combox__selector-item:hover {
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background-color: #f9f9f9;
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}
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.superwei-combox__selector-empty:last-child,
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.superwei-combox__selector-item:last-child {
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/* #ifndef APP-NVUE */
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border-bottom: none;
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/* #endif */
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}
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// picker 弹出层通用的指示小三角
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.uni-popper__arrow,
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.uni-popper__arrow::after {
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position: absolute;
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display: block;
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width: 0;
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height: 0;
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border-color: transparent;
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border-style: solid;
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border-width: 6px;
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}
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.uni-popper__arrow {
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filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.03));
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top: -6px;
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left: 10%;
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margin-right: 3px;
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border-top-width: 0;
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border-bottom-color: #EBEEF5;
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}
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.uni-popper__arrow::after {
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content: " ";
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top: 1px;
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margin-left: -6px;
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border-top-width: 0;
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border-bottom-color: #fff;
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}
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.superwei-combox__no-border {
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border: none;
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}
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</style>
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