120 lines
2.8 KiB
Vue
120 lines
2.8 KiB
Vue
<template>
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<div>
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<Cascader
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:data="data"
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:load-data="loadData"
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change-on-select
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@on-visible-change="handleChangeOnSelect"
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@on-change="change"
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></Cascader>
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</div>
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</template>
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<script>
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import * as API_Setup from "@/api/common.js";
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export default {
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data() {
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return {
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dd:"",
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data: [], // 地区数据
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selected: [], // 已选地区
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changeOnSelect: false, // 选择时的变化
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id: 0 // 0层id
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};
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},
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mounted() {
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this.init();
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},
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props: ['addressId'],
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methods: {
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// 选择地区回显
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change(val, selectedData) {
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/**
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* @returns [regionId,region]
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*/
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this.$emit("selected", [
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val,
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selectedData[selectedData.length - 1].__label.split("/"),
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]);
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},
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/**
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* 动态设置change-on-select的值
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* 当级联选择器弹窗展开时，设置change-on-select为true，即可以点选菜单选项值发生变化
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* 当级联选择器弹窗关闭时，设置change-on-select为false，即能够设置初始值
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*/
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handleChangeOnSelect(value) {
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this.changeOnSelect = value;
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},
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// 动态加载数据
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loadData(item, callback) {
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item.loading = true;
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API_Setup.getChildRegion(item.value).then((res) => {
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if (res.result.length <= 0) {
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item.loading = false;
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this.selected = item;
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/**
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* 处理数据并返回
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*/
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} else {
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res.result.forEach((child) => {
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item.loading = false;
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let data = {
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value: child.id,
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label: child.name,
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loading: false,
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children: [],
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};
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if (
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child.level == "street" ||
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item.label == "香港特别行政区" ||
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item.label == "澳门特别行政区"
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) {
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item.children.push({
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value: child.id,
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label: child.name,
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});
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} else {
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item.children.push(data);
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}
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});
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this.selected = item;
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callback();
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}
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});
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},
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// 初始化数据
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init() {
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API_Setup.getChildRegion(this.id).then((res) => {
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let way = [];
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res.result.forEach((item) => {
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let data;
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// 台湾省做处理
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if (item.name == "台湾省") {
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data = {
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value: item.id,
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label: item.name,
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};
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} else {
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data = {
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value: item.id,
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label: item.name,
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loading: false,
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children: [],
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};
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}
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way.push(data);
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});
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this.data = way;
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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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