<template>
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<a-select
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showSearch
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labelInValue
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:disabled="disabled"
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:getPopupContainer="getParentContainer"
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@search="loadData"
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:placeholder="placeholder"
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v-model="selectedAsyncValue"
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style="width: 100%"
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:filterOption="false"
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@change="handleAsyncChange"
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allowClear
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:notFoundContent="loading ? undefined : null"
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:mode="mode"
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>
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<template #suffixIcon>
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<a-icon type="search" />
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</template>
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<a-spin v-if="loading" slot="notFoundContent" size="small"/>
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<a-select-option v-for="d in options" :key="d.value" :value="d.value">{{ d.text }}</a-select-option>
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</a-select>
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</template>
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<script>
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import { ajaxGetDictItems,getDictItemsFromCache } from '@/api/api'
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import debounce from 'lodash/debounce';
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import { getAction } from '@/api/manage'
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export default {
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name: 'LxSearchEquipmentSelect',
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props:{
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disabled: Boolean,
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value: [String, Number],
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dictOptions: Array,
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placeholder:{
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type:String,
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default:"请选择",
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required:false
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},
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pageSize:{
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type: Number,
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default: 20,
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required: false
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},
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mode:{
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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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this.loadData = debounce(this.loadData, 800);//消抖
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this.lastLoad = 0;
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return {
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loading:false,
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selectedValue:[],
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selectedAsyncValue:[],
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options: [],
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}
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},
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created(){
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this.initDictData();
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},
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watch:{
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"value":{
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immediate:true,
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handler(val){
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if(!val){
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if(val==0){
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this.initSelectValue()
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}else{
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this.selectedValue=[]
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this.selectedAsyncValue=[]
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}
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}else{
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this.initSelectValue()
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}
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}
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},
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},
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methods:{
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initSelectValue(){
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if(!this.selectedAsyncValue || !this.selectedAsyncValue.key || this.selectedAsyncValue.key!=this.value){
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console.log("这才请求后台")
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//update-begin-author:taoyan date:20220112 for: 方法initSelectValue 根据下拉框实际值查询下拉框的显示的文本 因后台接口只处理3个参数，所以将过滤条件去掉
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// TODO 隐患 查询效率问题 还是应该在后台作筛选
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let itemDictStr = this.dict
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let arr = itemDictStr.split(',')
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if(arr && arr.length==4){
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// 删除最后一个元素
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arr.pop();
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itemDictStr = arr.join(',')
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}
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//update-end-author:taoyan date:20220112 for: 方法initSelectValue 根据下拉框实际值查询下拉框的显示的文本 因后台接口只处理3个参数，所以将过滤条件去掉
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getAction(`/eam/equipment/asyncLoadEquipment`,{key:this.value}).then(res=>{
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if(res.success){
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//update-begin---author:wangshuai ---date:20221115 for：[issues/4213]JSearchSelectTag改造支持多选------------
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//判断是否多选
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if(this.mode === 'multiple'){
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if(res.result && res.result.length>0){
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let itemArray = [];
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let valueArray = this.value.split(",")
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for (let i = 0; i < res.result.length; i++) {
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itemArray.push({
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key:valueArray[i],
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label:res.result[i]
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})
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}
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this.selectedAsyncValue = itemArray
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}else{
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this.selectedAsyncValue = []
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this.selectedValue = []
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}
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}else{
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let obj = {
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key:this.value,
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label:res.result
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}
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this.selectedAsyncValue = {...obj}
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}
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//update-end---author:wangshuai ---date:20221115 for：[issues/4213]JSearchSelectTag改造支持多选--------------
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}
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})
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}
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},
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loadData(value){
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console.log("数据加载",value)
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this.lastLoad +=1
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const currentLoad = this.lastLoad
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this.options = []
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this.loading=true
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// 字典code格式：table,text,code
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getAction(`/eam/equipment/asyncLoadEquipment`,{keyword:value, pageSize: this.pageSize}).then(res=>{
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this.loading=false
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if(res.success){
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if(currentLoad!=this.lastLoad){
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return
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}
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this.options = res.result
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console.log("我是第一个",res)
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}else{
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this.$message.warning(res.message)
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}
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})
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},
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initDictData(){
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//异步一开始也加载一点数据
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this.loading=true
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getAction(`/eam/equipment/asyncLoadEquipment`,{pageSize: this.pageSize, keyword:''}).then(res=>{
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this.loading=false
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if(res.success){
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this.options = res.result
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}else{
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this.$message.warning(res.message)
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}
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})
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},
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filterOption(input, option) {
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return option.componentOptions.children[0].text.toLowerCase().indexOf(input.toLowerCase()) >= 0
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},
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handleChange (selectedValue) {
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console.log("selectedValue",selectedValue)
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this.selectedValue = selectedValue
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this.callback()
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},
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handleAsyncChange(selectedObj){
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//update-begin-author:scott date:20201222 for:【搜索】搜索查询组件，删除条件，默认下拉还是上次的缓存数据，不好 JT-191
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if(selectedObj){
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this.selectedAsyncValue = selectedObj
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//update-begin---author:wangshuai ---date:20221115 for：[issues/4213]JSearchSelectTag改造支持多选------------
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if(this.mode ==='multiple'){
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let keyArray = []
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for (let i = 0; i < selectedObj.length; i++) {
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keyArray.push(selectedObj[i].key)
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}
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this.selectedValue = keyArray
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}else{
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this.selectedValue = selectedObj.key
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}
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//update-end---author:wangshuai ---date:20221115 for：[issues/4213]JSearchSelectTag改造支持多选------------
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}else{
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this.selectedAsyncValue = null
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this.selectedValue = null
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this.options = null
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this.loadData("")
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}
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this.callback()
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//update-end-author:scott date:20201222 for:【搜索】搜索查询组件，删除条件，默认下拉还是上次的缓存数据，不好 JT-191
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},
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callback(){
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//update-begin---author:wangshuai ---date:20221115 for：[issues/4213]JSearchSelectTag改造支持多选------------
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if(this.mode === 'multiple'){
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this.$emit('change', this.selectedValue.join(","));
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}else{
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this.$emit('change', this.selectedValue);
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}
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//update-end---author:wangshuai ---date:20221115 for：[issues/4213]JSearchSelectTag改造支持多选------------
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},
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getParentContainer(node){
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if(typeof this.getPopupContainer === 'function'){
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return this.getPopupContainer(node)
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} else if(!this.popContainer){
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return node.parentNode
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}else{
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return document.querySelector(this.popContainer)
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}
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},
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},
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model: {
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prop: 'value',
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event: 'change'
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}
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}
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</script>
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<style scoped>
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</style>
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