548 lines
15 KiB
Vue
548 lines
15 KiB
Vue
<template>
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<div class="box3" v-loading="loading">
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<div class="tit">需求分布地图</div>
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<div v-if="state.isShowGoBack" class="close-back" @click="goBack">
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<img src="./img/back_button.png" />
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</div>
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<!-- echartsDom 兼容缩放 -->
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<div ref="map" class="map echartsDom" id="map"></div>
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<div class="leftBox">
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<div class="head">
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<div class="a">地区</div>
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<div class="b">需求数量</div>
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</div>
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<template v-if="snapTree.length > 0">
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<div
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v-for="v in snapTree.slice(
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(leftBoxPageNum - 1) * 5,
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leftBoxPageNum * 5
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)"
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>
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<div class="a">{{ v.name }}</div>
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<div class="b">{{ v.count }}</div>
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</div>
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</template>
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<div v-else>
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<div class="a">暂无</div>
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<div class="b">暂无</div>
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</div>
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<RegionPagine
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v-if="snapTree.length"
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v-model:page="leftBoxPageNum"
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:total="snapTree.length"
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></RegionPagine>
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</div>
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<div class="rightBox">
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<div class="head">
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<div class="a">领域</div>
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<div class="b">需求数量</div>
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</div>
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<div
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v-if="Object.keys(industryTree).length > 0"
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v-for="(v, k) in industryTree"
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>
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<div class="a" :title="k">{{ k }}</div>
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<div class="b">{{ v }}</div>
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</div>
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<div v-else>
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<div class="a">暂无</div>
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<div class="b">暂无</div>
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</div>
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</div>
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</div>
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</template>
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<script setup>
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import { defineComponent, getCurrentInstance, onMounted, reactive } from "vue";
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import * as echarts from "echarts";
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import {
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countDemandByProvince,
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countDemandByCity,
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countDemandByArea,
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} from "@/api/website/home/index";
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import RegionPagine from "./RegionPagine.vue";
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// import { demand } from "@/api/website/home/index";
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const { proxy } = getCurrentInstance();
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const loading = shallowRef(true);
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let treeData = {};
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const snapTree = shallowRef([]);
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const industryTree = shallowRef({});
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const leftBoxPageNum = ref(1);
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const searchRegionData = async (code, level) => {
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if (level == "province") {
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const provcode = code.substring(0, 2) + "0000";
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let data = {};
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if (
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snapTree.value.length &&
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snapTree.value[0].code.substring(0, 2) == code.substring(0, 2) &&
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snapTree.value[0].code.substring(2, 4) != code.substring(2, 4)
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) {
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data = snapTree.value;
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} else {
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const resp = await countDemandByCity(provcode);
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snapTree.value = resp.count;
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industryTree.value = resp.industry ?? {};
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data = resp.count;
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}
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return data.find((item) => item.code == code) || false;
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} else if (level == "city") {
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const ctcode = code.substring(0, 4) + "00";
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let data = {};
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if (
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snapTree.value.length &&
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snapTree.value[0].code.substring(0, 4) == code.substring(0, 4) &&
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snapTree.value[0].code.substring(4, 6) != code.substring(4, 6)
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) {
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data = snapTree.value;
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} else {
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const resp = await countDemandByArea(ctcode);
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snapTree.value = resp.count;
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industryTree.value = resp.industry ?? {};
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data = resp.count;
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}
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return data.find((item) => item.code == code) || false;
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} else {
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if (Object.keys(treeData).length) {
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industryTree.value = treeData.industry ?? {};
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snapTree.value = treeData.count ?? [];
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return treeData.count.find((item) => item.code == code) || false;
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} else {
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const { count, industry } = await countDemandByProvince();
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industryTree.value = industry ?? {};
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return count.find((item) => item.code == code) || false;
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}
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}
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};
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function deepFindTree(code, tree) {
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let snap = false;
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for (const key in tree) {
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if (Object.hasOwnProperty.call(tree, key)) {
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if (code == key) {
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snap = tree[code];
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break;
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} else if (tree[key]["children"] != null) {
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snap = deepFindTree(code, tree[key]["children"]);
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if (snap) {
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break;
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}
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} else {
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snap = false;
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}
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}
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}
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return snap;
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}
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function getIndustry(object) {
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let snap = {};
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for (const key in object) {
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if (Object.hasOwnProperty.call(object, key)) {
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const element = object[key];
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if (element["industry"] != null) {
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for (const ek in element["industry"]) {
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if (Object.hasOwnProperty.call(element["industry"], ek)) {
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const ele = element["industry"][ek];
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if (!Object.hasOwnProperty.call(snap, ek)) {
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snap[ek] = 0;
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}
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snap[ek] += ele;
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}
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}
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// for (let index = 0; index < element['industry'].length; index++) {
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// const ele = element['industry'][index];
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// if(Object.hasOwnProperty.call(snap, ele)) {
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// }
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// }
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}
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}
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}
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return snap;
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}
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const state = reactive({
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loading: false,
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isShowGoBack: false,
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nameType: "",
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// cityName: "中国",
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cityName: "china",
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areaCode: 10000,
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AreaCodeStack: ["中国"],
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geoJsonData: "",
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echartsMap: null,
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map: null,
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uimap: null,
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district: null,
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polygons: [],
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cityCode: "100000",
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citySelect: null,
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districtSelect: null,
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opts: {},
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areaData: {},
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mapData: [],
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zip: {}, //打包zip
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codeList: [],
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isCodeListLoadComplete: false, //codeList是否全部获取完毕
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downloadTips: "下载geoJson数据", //下载进度提示
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isShowTips: false, //是否显示下载提示
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});
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onMounted(() => {
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// 数据接口
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countDemandByProvince().then((resp) => {
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treeData = resp;
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snapTree.value = resp.count;
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industryTree.value = resp.industry ?? {};
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loading.value = false;
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});
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// let echartsDomList = document.querySelectorAll('.echartsDom');
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// // 兼容echarts
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// echartsDomList.forEach(element => {
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// element.style.zoom = window.devicePixelRatio;
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// element.style.transform = "scale(" + (1 / window.devicePixelRatio) + ")";
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// element.style.transformOrigin = "0%0%";
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// element.style.width = window.devicePixelRatio * 100 + '%';
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// element.style.height = window.devicePixelRatio * 100 + '%';
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// console.log(element.style.zoom, 'element.style.zoom')
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// });
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let height = document.body.clientHeight;
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let width = document.body.clientWidth;
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let dom = proxy.$refs["map"];
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dom.style.width = width + "px";
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dom.style.height = height - 80 + "px";
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state.echartsMap = echarts.init(dom);
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state.echartsMap.on("click", echartsMapClick);
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setTimeout(() => {
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state.map = new AMap.Map("container", {
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resizeEnable: true,
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center: [116.30946, 39.937629],
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zoom: 3,
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});
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state.opts = {
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subdistrict: 1, //返回下一级行政区
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showbiz: false, //最后一级返回街道信息
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};
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state.district = new AMap.DistrictSearch(state.opts); //注意：需要使用插件同步下发功能才能这样直接使用
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state.district.search("中国", (status, result) => {
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if (status == "complete") {
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getData(result.districtList[0], "", 100000);
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}
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});
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}, 4000);
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});
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function goBack() {
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state.isShowGoBack = false;
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loading.value = true;
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state.district.search("中国", async (status, result) => {
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if (status == "complete") {
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await getData(result.districtList[0], "", 100000);
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snapTree.value = treeData.count;
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}
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});
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}
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async function echartsMapClick(params) {
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//地图点击事件
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if (params.data.cityCode == "710000") {
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return;
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}
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if (params.data.level == "district") {
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return;
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}
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if (params.data.level == "street") return; //此处的params.data为state.mapData里的数据
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await searchRegionData(params.data.cityCode, params.data.level);
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// snapTree.value = {};
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// if (snap) {
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// snapTree.value = snap["children"];
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// }
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state.cityCode = params.data.cityCode;
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state.cityName = params.data.name;
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state.district.setLevel(params.data.level); //行政区级别
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state.district.setExtensions("all");
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state.isShowGoBack = true;
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loading.value = true;
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//行政区查询
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//按照adcode进行查询可以保证数据返回的唯一性
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state.district.search(state.cityCode, (status, result) => {
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if (status === "complete") {
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if (params.data.level == "district") {
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return;
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}
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state.AreaCodeStack.push(result.districtList[0].adcode);
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getData(result.districtList[0], params.data.level, state.cityCode); //这个getData函数在前面已经定义过了
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}
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});
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}
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async function getData(data, level, adcode) {
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//处理获取出来的边界数据
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var subList = data.districtList;
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if (subList) {
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var curlevel = subList[0].level;
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if (curlevel === "street") {
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//为了配合echarts地图区县名称显示正常，这边街道级别数据需要特殊处理
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let mapJsonList = state.geoJsonData.features;
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let mapJson = {};
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for (let i in mapJsonList) {
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if (mapJsonList[i].properties.name == state.cityName) {
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mapJson["features"] = [].concat(mapJsonList[i]);
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}
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}
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state.mapData = [];
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let item = await searchRegionData(cityCode, level);
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if (item) {
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console.log("1 searchRegionData(cityCode)", item);
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}
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//这个mapData里包含每个区域的code、名称、对应的等级，实现第三步功能时能用上
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state.mapData.push({
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name: state.cityName,
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value: item ? item.count : 0,
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level: curlevel,
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});
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loadMap(state.cityName, mapJson);
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state.geoJsonData = mapJson;
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return;
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}
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//街道级以上的数据处理方式
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state.mapData = [];
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for (var i = 0, l = subList.length; i < l; i++) {
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var name = subList[i].name;
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var cityCode = subList[i].adcode;
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//这个mapData里包含每个区域的code、名称、对应的等级，实现第三步功能时能用上
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let item = await searchRegionData(cityCode, level);
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if (item) {
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console.log("2 searchRegionData(cityCode)", item);
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}
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state.mapData.push({
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name: name,
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value: item ? item.count : 0,
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cityCode: cityCode,
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level: curlevel,
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});
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}
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loadMapData(adcode);
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}
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}
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function loadMapData(areaCode) {
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AMapUI.loadUI(["geo/DistrictExplorer"], (DistrictExplorer) => {
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//创建一个实例
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var districtExplorer = (window.districtExplorer = new DistrictExplorer({
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eventSupport: true, //打开事件支持
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map: state.map,
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}));
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districtExplorer.loadAreaNode(areaCode, (error, areaNode) => {
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if (error) {
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console.error(error);
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return;
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}
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let mapJson = {};
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//特别注意这里哦，如果查看过正常的geojson文件，都会发现，文件都是以features 字段开头的，所以这里要记得加上
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mapJson.features = areaNode.getSubFeatures();
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console.log("------------------");
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for (var i = 0; i < mapJson.features.length; i++) {
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if (
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mapJson.features[i].properties.adcode == 810000 ||
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mapJson.features[i].properties.adcode == 820000
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) {
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mapJson.features.splice(i, 1); // 删除下标为i 的元素，i开始只删除一个就它自己了
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i--; // 删除一个元素后数组长度减一了
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}
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}
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console.log("------------------");
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loadMap(state.cityName, mapJson);
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});
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});
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}
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function loadMap(mapName, data) {
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if (data) {
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echarts.registerMap(mapName, data); //把geoJson数据注入echarts
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//配置echarts的option
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var option = {
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visualMap: {
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type: "piecewise",
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left: "center", //组件离容器左侧的距离,'left', 'center', 'right','20%'
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bottom: "30",
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orient: "horizontal", //图例排列方向
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padding: 5,
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pieces: [
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{ gte: 0, lte: 99, label: "99", color: "#CAE9FD" },
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{ gte: 100, lte: 299, label: "100-299", color: "#7ED2F7" },
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{ gte: 300, lte: 499, label: "299-499", color: "#039DDD" },
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{ gte: 500, label: "500", color: "#0D4884" },
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// {max: 30, label: '安全', color: '#2c9a42'},
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// {min: 30, max: 60, label: '警告', color: '#d08a00'},
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// {min: 60, label: '危险', color: '#c23c33'},
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],
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// color: '#fff',
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textStyle: {
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color: "#333333",
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},
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visibility: "off",
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},
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tooltip: {
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//提示框信息
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trigger: "item",
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formatter: "{b}\n{c}个",
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},
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series: [
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{
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name: "数据名称",
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type: "map",
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roam: false,
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top: "15%",
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bottom: state.isShowGoBack ? "8%" : "-20%",
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mapType: mapName,
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selectedMode: "single",
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showLegendSymbol: false,
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visibility: "off",
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backgroundColor: "transparent",
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itemStyle: {
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normal: {
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color: "#333333",
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areaColor: "#fff",
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borderColor: "#666666",
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borderWidth: 0.5,
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label: {
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show: false,
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textStyle: {
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color: "#333333",
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},
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},
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},
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emphasis: {
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areaColor: "rgb(38, 219, 11)",
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borderColor: "#666666",
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areaStyle: {
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color: "#333333",
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},
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label: {
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show: true,
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textStyle: {
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color: "#333333",
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},
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// formatter: function (value) { //标签的格式化工具。
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// return value.name + '：' + value.value; // 范围标签显示内容。
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// }
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},
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},
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},
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data: state.mapData, //这个data里包含每个区域的code、名称、对应的等级，实现第三步功能时能用上
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},
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],
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};
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state.echartsMap.setOption(option);
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loading.value = false;
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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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.box3 {
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width: 100%;
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height: 100%;
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position: relative;
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.tit {
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position: absolute;
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top: 75px;
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width: 100%;
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text-align: center;
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font-size: 36px;
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font-family: Source Han Sans CN;
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font-weight: 300;
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color: #333333;
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}
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}
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.map {
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width: 100%;
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height: 100%;
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// background-image: url(./img/lightEffect.png);
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background-size: 644px 272px;
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background-repeat: no-repeat;
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background-position: center top;
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}
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.close-back {
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background: url(img/close_back.png) no-repeat;
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transition: all 0.5s;
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height: 70px;
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width: 85px;
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color: #fff;
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left: 65px;
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position: absolute;
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top: 100px;
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cursor: pointer;
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z-index: 1000;
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&:hover {
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left: 55px;
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}
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img {
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margin: 28px auto 0;
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width: 30px;
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display: block;
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transition: all 0.5s;
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}
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}
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.leftBox {
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left: 6%;
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}
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.rightBox {
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right: 6%;
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max-height: 465px !important;
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}
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.leftBox,
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.rightBox {
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position: absolute;
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top: 25%;
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max-width: 250px;
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min-width: 200px;
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max-height: 256px;
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// overflow: hidden;
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border: 1px solid #dcdcdc;
|
||
color: #666666;
|
||
& > div {
|
||
display: flex;
|
||
}
|
||
.head {
|
||
border-bottom: 1px solid #dcdcdc;
|
||
color: #333333;
|
||
}
|
||
.a {
|
||
flex: 1;
|
||
border-right: 1px solid #dcdcdc;
|
||
text-align: center;
|
||
line-height: 42px;
|
||
overflow: hidden;
|
||
white-space: nowrap;
|
||
text-overflow: ellipsis;
|
||
}
|
||
.b {
|
||
text-align: center;
|
||
line-height: 42px;
|
||
width: 90px;
|
||
}
|
||
}
|
||
.rightBox {
|
||
overflow: hidden;
|
||
}
|
||
// :deep(.pagine) {
|
||
// .prev,
|
||
// .next {
|
||
// color: #4f93ed !important;
|
||
// }
|
||
// }
|
||
</style>
|