108 lines
2.4 KiB
Vue
108 lines
2.4 KiB
Vue
<template>
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<el-select
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style="width:100%"
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filterable
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clearable
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v-model="svalue"
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no-data-text=""
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:placeholder="placeholder"
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@change="onChange"
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@click.native="onClick"
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>
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<el-option v-for="item in optionItems" :key="item.regionCode" :label="item.regionName" :value="item.regionCode" />
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</el-select>
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</template>
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<script>
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import { listSimpleEmisRegion } from "@/api/emis/emisRegion";
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export default {
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name: "ProvincePicker",
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props: {
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value: {
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type: String,
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required: false
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},
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countryCode: {
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type: String,
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required: false
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},
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placeholder: {
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type: String,
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required: false
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},
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},
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data() {
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return {
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svalue: this.value,
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optionItems: [],
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// 缺省值
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defaultItems: null,
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};
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},
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watch: {
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value(newVal,oldVal) {
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if(this.value!=null ){
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this.svalue=this.value;
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// 判断默认值中是否存在，若存在则不继续查询
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if(this.optionItems){
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let selItem = this.optionItems.find(item => item.regionCode == this.svalue);
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if(selItem){
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return;
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}
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}
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this.queryData(null,this.svalue);
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}
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},
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countryCode(newVal, oldVal) {
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if(newVal!=oldVal){
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this.defaultItems=null;
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}
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}
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},
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created() {
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if(this.svalue!=null){
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this.queryData(null,this.svalue);
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}
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},
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methods: {
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onClick(){
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// 第一次点击时需要初始化
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if(!this.defaultItems){
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this.queryData(null,null);
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}else{
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this.optionItems = [...this.defaultItems];
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}
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},
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onChange() {
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this.$emit("input", this.svalue);
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this.$emit("onChange");
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},
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queryData(val,key) {
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this.optionItems =[];
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let queryParams = {
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pageNum:1,
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pageSize:50,
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countryCode:this.countryCode,
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regionCode:key,
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regionType:1
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};
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listSimpleEmisRegion(queryParams).then(response => {
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this.optionItems = response.rows;
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// 初始值存储
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if(key==null && val==null){
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this.defaultItems=[...this.optionItems]
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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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