528 lines
13 KiB
Vue
528 lines
13 KiB
Vue
<script setup>
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import AMapLoader from "@amap/amap-jsapi-loader";
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import { computed, onMounted, ref, shallowRef, toRefs, watch } from "vue";
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import { init, registerMap } from "echarts";
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import {
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countAchievementByArea,
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countAchievementByCity,
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countAchievementByProvince,
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countDemandByArea,
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countDemandByCity,
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countDemandByProvince,
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countEnterpriseByArea,
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countEnterpriseByCity,
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countEnterpriseByProvince,
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countExpertByArea,
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countExpertByCity,
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countExpertByProvince,
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} from "@/api/website/home";
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import backBtnPng from "@/assets/images/map_back.png";
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import RegionPagine from "@/views/website/home/comp/RegionPagine.vue";
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import html2canvas from "html2canvas";
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import anime from "animejs";
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import { useI18n } from "vue-i18n";
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import geoJSONRU from "@/assets/custom.geo.json";
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const { t, locale } = useI18n();
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const leftBoxPageNum = ref(1);
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const rightBoxPageNum = ref(1);
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const mapRef = ref(null);
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const districtSearch = shallowRef(null);
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const myEcharts = shallowRef(null);
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const map = shallowRef(null);
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const mapData = ref([]);
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const props = defineProps({
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mapIndex: {
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type: Number,
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default: 0,
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},
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});
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const { mapIndex } = toRefs(props);
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const emit = defineEmits(["changeMapIndex"]);
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const methods = [
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{
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name: "expert",
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title: computed(() => t("map.expertMap")),
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byProvince: countExpertByProvince,
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byCity: countExpertByCity,
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byArea: countExpertByArea,
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},
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{
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name: "technology",
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// title: "技术分布地图",
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title: computed(() => t("map.technologyMap")),
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byProvince: countAchievementByProvince,
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byCity: countAchievementByCity,
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byArea: countAchievementByArea,
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},
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{
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name: "demand",
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// title: "需求分布地图",
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title: computed(() => t("map.demandMap")),
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byProvince: countDemandByProvince,
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byCity: countDemandByCity,
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byArea: countDemandByArea,
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},
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{
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name: "enterprise",
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// title: "企业分布地图",
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title: computed(() => t("map.enterpriseMap")),
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byProvince: countEnterpriseByProvince,
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byCity: countEnterpriseByCity,
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byArea: countEnterpriseByArea,
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},
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];
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const areaCount = ref([]); // 按行政区划统计
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const industryCount = ref([]); // 按领域统计
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const areaCountPaged = computed(() =>
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areaCount.value.slice(
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(leftBoxPageNum.value - 1) * 5,
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leftBoxPageNum.value * 5
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)
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);
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const industryCountPaged = computed(() =>
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industryCount.value.slice(
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(rightBoxPageNum.value - 1) * 5,
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rightBoxPageNum.value * 5
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)
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);
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const options = {
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// nameProperty: 'adcode',
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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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],
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textStyle: {
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color: "#fff",
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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}人",
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},
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series: [
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{
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type: "map",
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name: "中国",
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map: "map",
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data: [],
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},
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],
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};
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const loadAMap = async () => {
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const AMap = await AMapLoader.load({
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key: "377d7c36dd385e2a722f29d4c6e1ffbf", // 申请好的Web端开发者Key，首次调用 load 时必填
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version: "2.0", // 指定要加载的 JS API 的版本，缺省时默认为 1.4.15
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plugins: [
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/*"AMap.DistrictSearch", "AMap.DistrictExplorer"*/
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], // 需要使用的的插件列表，如比例尺'AMap.Scale'等
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AMapUI: {
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// 是否加载 AMapUI，缺省不加载
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version: "1.1", // AMapUI 缺省 1.1
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plugins: [], // 需要加载的 AMapUI ui插件
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},
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});
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map.value = new AMap.Map("container", {
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zoom: 4, //级别
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center: [108.946609, 34.262324], //中心点坐标
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// viewMode: '3D' //使用3D视图
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});
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map.value.on("click", mapClick);
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// districtSearch.value = new AMap.DistrictSearch({
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// level: 'province',
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// extensions: 'all',
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// subdistrict: 1,
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// showbiz: false,
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// })
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};
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const loading = ref(false);
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const loadChinaDistrict = (adcode) => {
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loading.value = true;
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AMapUI.loadUI(["geo/DistrictExplorer"], (DistrictExplorer) => {
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const districtExplorer = new DistrictExplorer({
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map: map, //关联的地图实例
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});
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districtExplorer.loadAreaNode(adcode, async (error, areaNode) => {
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if (error) {
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console.error(error);
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loading.value = false;
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return;
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}
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const parentAdcode = areaNode.getAdcode();
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// 绘制载入的区划节点
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const geoJSON = {
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type: "FeatureCollection",
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features: areaNode.getSubFeatures(),
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};
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const level = getLevel(adcode);
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let result;
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try {
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if (level === 0) {
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result = await methods[mapIndex.value]["byProvince"]();
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} else if (level === 1) {
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result = await methods[mapIndex.value]["byCity"](adcode);
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} else if (level === 2) {
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result = await methods[mapIndex.value]["byArea"](adcode);
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}
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} catch (e) {
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loading.value = false;
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return;
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}
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if (result.industry)
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industryCount.value = Object.keys(result.industry).map((key) => ({
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name: key,
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count: result.industry[key],
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}));
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areaCount.value = result.count ?? [];
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mapData.value = geoJSON.features.map((el) => {
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const areaProp = el.properties;
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return {
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adcode: areaProp.adcode,
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name: areaProp.name,
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value:
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result.count.find((el) => el.code == areaProp.adcode)?.count ?? 0,
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};
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});
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registerMap("map", { geoJSON, specialAreas: {} });
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options.series[0].data = mapData.value;
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myEcharts.value.setOption(options);
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loading.value = false;
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});
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});
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};
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const loadRussiaDistrict = () => {
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registerMap("map", { geoJSON: geoJSONRU, specialAreas: {} });
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myEcharts.value.setOption(options);
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// TODO:get count
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};
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// 返回地图上一级
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const backMap = () => {
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// loadChinaDistrict(parentAdcode)
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loadChinaDistrict("100000");
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};
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onMounted(async () => {
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await loadAMap();
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myEcharts.value = init(mapRef.value);
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myEcharts.value.on("click", mapClick);
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if (locale.value === "zh") {
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loadChinaDistrict("100000");
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} else {
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loadRussiaDistrict();
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}
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});
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/**
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* 根据adcode判断省市区级别
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* @param adcode
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* @return {number} 国家: 0 省: 1 市: 2 区: 3
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*/
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const getLevel = (adcode) => {
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adcode = adcode.toString();
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if (adcode === "100000") {
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return 0;
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}
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const splitPattern = /(\d{2})(\d{2})(\d{2})/;
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const resultArray = adcode.match(splitPattern).slice(1);
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// 国家: 0 省: 1 市: 2 区: 3
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let result = resultArray.indexOf("00");
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if (result === -1) {
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result = 3;
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}
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return result;
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};
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const mapClick = (ev) => {
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const level = getLevel(ev.data.adcode);
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if (level === 3) {
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return;
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}
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loadChinaDistrict(ev.data.adcode);
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};
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const playScrollAnimation = (direction, start) => {
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const pageWrap = document.querySelector(".page-wrap");
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const rootWrap = document.querySelector(".root-container");
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html2canvas(pageWrap).then((canvas) => {
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canvas.addEventListener("wheel", (ev) => {
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ev.stopPropagation();
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ev.preventDefault();
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});
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if (direction === "down") {
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rootWrap.insertBefore(canvas, pageWrap);
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} else if (direction === "up") {
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rootWrap.appendChild(canvas);
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rootWrap.style.transform = "translateY(-100%)";
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}
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anime({
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targets: rootWrap,
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translateY: direction === "down" ? "-100%" : "0",
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duration: 300,
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easing: "linear",
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begin: start,
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complete: () => {
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rootWrap.removeChild(canvas);
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rootWrap.style.transform = "translateY(0%)";
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isScrolling.value = false;
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},
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});
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});
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};
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const isScrolling = ref(false);
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const handleScroll = async (ev) => {
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let direction = ev.deltaY > 0 ? "down" : "up";
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// 判断滚轮滚动方向
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if (
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(direction === "down" && mapIndex.value >= methods.length - 1) ||
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(direction === "up" && mapIndex.value <= 0)
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) {
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return;
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}
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ev.preventDefault();
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ev.stopPropagation();
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if (isScrolling.value) {
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return;
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}
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isScrolling.value = true;
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playScrollAnimation(direction, () => {});
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if (direction === "down" && mapIndex.value < methods.length - 1) {
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emit("changeMapIndex", mapIndex.value + 1);
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} else if (direction === "up" && mapIndex.value > 0) {
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emit("changeMapIndex", mapIndex.value - 1);
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}
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};
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watch(mapIndex, (newVal, oldVal) => {
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console.log(`mapIndex change from ${oldVal} to ${newVal}`);
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if (newVal === oldVal) {
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return;
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}
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isScrolling.value = true;
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const direction = newVal > oldVal ? "down" : "up";
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playScrollAnimation(direction, () => {});
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if (locale.value === "zh") {
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loadChinaDistrict("100000");
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} else {
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loadRussiaDistrict();
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}
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});
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watch(locale, (newVal) => {
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console.log(newVal);
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if (newVal === "zh") {
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loadChinaDistrict("100000");
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} else if (newVal === "ru") {
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loadRussiaDistrict();
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}
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});
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</script>
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<template>
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<div class="root-wrap">
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<div class="root-container">
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<div class="page-wrap" @wheel="handleScroll">
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<div class="title">{{ methods[mapIndex].title.value }}</div>
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<div v-if="loading" class="loading-modal"></div>
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<!-- 返回上一级按钮 -->
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<div class="back-btn" @click="backMap">
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<img :src="backBtnPng" alt="back" />
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</div>
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<!-- 人数表格 -->
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<div class="count-table area">
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<div class="table">
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<div class="head">
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<div class="th">
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<div class="title">地区</div>
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<div class="count">人数</div>
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</div>
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</div>
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<div class="body">
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<div v-for="item in areaCountPaged" :key="item.adcode" class="tr">
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<div class="title">{{ item.name }}</div>
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<div class="count">{{ item.count }}</div>
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</div>
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</div>
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</div>
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<RegionPagine
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v-model:page="leftBoxPageNum"
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:total="areaCount.length"
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/>
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</div>
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<!-- 领域 -->
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<div class="count-table industry">
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<div class="table">
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<div class="head">
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<div class="th">
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<div class="title">领域</div>
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<div class="count">人数</div>
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</div>
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</div>
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<div class="body">
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<div
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v-for="item in industryCountPaged"
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:key="item.adcode"
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class="tr"
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>
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<div class="title">{{ item.name }}</div>
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<div class="count">{{ item.count }}</div>
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</div>
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</div>
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</div>
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<RegionPagine
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v-model:page="rightBoxPageNum"
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:total="industryCount.length"
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/>
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</div>
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<div id="map-container" ref="mapRef"></div>
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<div
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id="container"
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style="
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width: 100%;
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height: 100%;
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background-color: rgb(0, 0, 0);
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display: none;
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"
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></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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<style lang="scss" scoped>
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.scroll-to-top {
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animation: 1s linear infinite page-scroll;
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}
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.root-wrap {
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width: 100%;
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height: 100%;
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overflow: hidden;
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.root-container {
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width: 100%;
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height: 100%;
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> canvas {
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transition: all 0.3s linear;
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}
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.page-wrap {
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width: 100%;
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height: 100%;
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//top: 0;
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//left: 0;
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position: relative;
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//transition: all 0.3s linear;
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//animation: 1s linear forwards page-scroll;
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.loading-modal {
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position: absolute;
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left: 0;
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top: 0;
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background: #f0f2f5;
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}
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#map-container {
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width: 100%;
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height: 100%;
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background: linear-gradient(0deg, #010101, #041744);
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}
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> .title {
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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, sans-serif;
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font-weight: 300;
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color: #ffffff;
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z-index: 101;
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}
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.back-btn {
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position: absolute;
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left: 120px;
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top: 120px;
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z-index: 99;
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cursor: pointer;
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}
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.count-table {
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position: absolute;
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z-index: 101;
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&.area {
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top: 200px;
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left: 120px;
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}
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&.industry {
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top: 200px;
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right: 120px;
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}
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.table {
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border: 1px solid #0054ff;
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.head,
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.body {
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.tr,
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.th {
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display: flex;
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color: white;
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.title,
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.count {
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width: 100px;
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padding: 8px 12px;
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text-align: center;
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}
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.title {
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border-right: 1px solid #0054ff;
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}
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}
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.th {
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border-bottom: 1px solid #0054ff;
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}
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.tr {
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color: rgb(161, 192, 255);
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}
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}
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}
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.pagination {
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display: flex;
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}
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}
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}
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}
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}
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//@keyframes page-scroll {
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// 0% {
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// transform: translateY(0);
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// }
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// 100% {
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// transform: translateY(-100%);
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// }
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//}
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</style>
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