<template>
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<div class="charts-container">
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<div class="container-left">
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<div class="filter">
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<el-select
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clearable
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:teleported="false"
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v-model="companyType"
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filterable
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placeholder="请选择企业类型"
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style="flex: 1"
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remote
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remote-show-suffix
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:remote-method="getList"
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>
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<el-option
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v-for="item in typeList"
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:key="item.id"
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:label="item.name"
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:value="item.id"
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/>
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</el-select>
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<el-select
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clearable
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:teleported="false"
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v-model="warningType"
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filterable
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placeholder="请选择风险等级"
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style="flex: 1"
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remote
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remote-show-suffix
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:remote-method="getList"
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>
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<el-option
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v-for="item in warningList"
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:key="item.id"
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:label="item.name"
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:value="item.id"
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/>
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</el-select>
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</div>
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<div class="table-wrapper">
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<table class="scrollable-table">
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<thead>
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<tr>
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<th>序号</th>
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<th>企业名称</th>
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<th>危化品仓库</th>
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<th>预警信息</th>
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</tr>
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</thead>
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</table>
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<div class="scroll-viewport" ref="viewport">
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<div class="scroll-content" :style="contentStyle">
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<table class="scrollable-table">
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<tbody>
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<tr v-for="(item,index) in companyData" :key="item.id">
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<td>{{ index + 1 }}</td>
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<td>{{ item.companyName }}</td>
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<td>{{ item.warehouseCount }}</td>
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<td>{{ item.warningCount }}</td>
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</tr>
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<tr v-for="(item,index) in loopData" :key="`loop-${item.id}`">
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<td>{{ index + 1 }}</td>
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<td>{{ item.companyName }}</td>
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<td>{{ item.warehouseCount }}</td>
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<td>{{ item.warningCount }}</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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</div>
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<div id="areaMap"></div>
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</div>
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</template>
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<script setup>
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import * as echarts from 'echarts';
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import {onMounted, onBeforeUnmount, ref, computed, reactive} from "vue";
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import SUZHOU from './map.json'
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import {getAvoidList} from "@/api/hazardousChemicals/avoid";
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import {ElMessage} from "element-plus";
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import {getCompanyMessage} from "@/api/monitor/screenCharts";
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// 表格数据
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const companyData = ref([])
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// 配置参数
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const visibleRows = 8 // 显示的行数
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const scrollSpeed = 0.5 // 每次滚动的像素数
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const rowHeight = 40 // 行高，与CSS一致
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const viewport = ref(null)
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const scrollPosition = ref(0)
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let animationFrame = null
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onMounted(()=>{
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getList()
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// 设置视口高度
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if (viewport.value) {
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viewport.value.style.height = `${visibleRows * rowHeight}px`
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}
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// 延迟启动滚动，确保初始渲染完成
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setTimeout(() => {
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scrollAnimation()
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}, 100)
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initMap()
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})
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onBeforeUnmount(() => {
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if (animationFrame) {
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cancelAnimationFrame(animationFrame)
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}
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})
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const companyType = ref('')
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const warningType = ref('')
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const typeList = [
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{
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id: 0,
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name: '研发类'
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},
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{
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id: 1,
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name: '生产类'
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},
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{
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id: 2,
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name: '中试类'
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}
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]
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const warningList = [
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{
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id: 1,
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name: '红'
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},
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{
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id: 2,
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name: '橙'
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},
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{
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id: 3,
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name: '黄'
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},
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{
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id: 4,
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name: '蓝'
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}
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]
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const initMap=()=>{
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var map = new BMapGL.Map("areaMap");
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map.setMapType(BMAP_NORMAL_MAP);
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var point = new BMapGL.Point(120.752833, 31.333439);
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map.centerAndZoom(point, 12);
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map.enableScrollWheelZoom(true);
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map.setTilt(40);
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map.setMapStyleV2({
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styleId: 'c66f44df4e55ce8f0fa90205997df335'
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});
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// var bd = new BMapGL.Boundary();
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// bd.get('苏州市工业园区', function (rs) {
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// // console.log('外轮廓：', rs.boundaries[0])
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// // console.log('内镂空：', rs.boundaries[1])
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// var hole = new BMapGL.Polygon(rs.boundaries, {
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// fillColor: 'blue',
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// fillOpacity: 0.2
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// });
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// map.addOverlay(hole);
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// });
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var bd1 = new BMapGL.Boundary();
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bd1.get('苏州市工业园区', function (rs) {
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let count = rs.boundaries.length;
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for (let i = 0; i < count; i++) {
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let path = [];
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let str = rs.boundaries[i].replace(' ', '');
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let points = str.split(';');
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for (let j = 0; j < points.length; j++) {
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let lng = points[j].split(',')[0];
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let lat = points[j].split(',')[1];
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path.push(new BMapGL.Point(lng, lat));
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}
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let prism = new BMapGL.Prism(path, 200, {
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topFillColor: '#5679ea',
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topFillOpacity: 0.6,
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sideFillColor: '#5679ea',
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sideFillOpacity: 0.9
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});
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map.addOverlay(prism);
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}
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});
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// var circle = new BMapGL.Circle(new BMapGL.Point(120.742833,31.333439),1000,{strokeColor:"blue", strokeWeight:2, strokeOpacity:0.5});
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// map.addOverlay(circle);
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var point = new BMapGL.Point(120.742833,31.333439);
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var content = '企业一（10）';
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var label = new BMapGL.Label(content, {
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position: point,
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offset: new BMapGL.Size(-20, -10)
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})
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map.addOverlay(label);
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label.setStyle({
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color: '#11FEEE',
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fontSize: '14px',
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border: 'none',
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backgroundColor: '#293075'
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})
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label.setPosition(point)
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}
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const getList = async () => {
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const res = await getCompanyMessage(companyType.value)
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if(res.code == 200){
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if(res.data && Array.isArray(res.data) && res.data.length>0){
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companyData.value = res.data
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const mapData = companyData.value.map(i=>{
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return {
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name: i.companyName + '(' + i.warningCount + ')',
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value: [i.longitude,i.latitude]
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}
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})
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// initChart(mapData)
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}
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}else{
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ElMessage.warning(res.message)
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}
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}
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// 复制前几行数据用于循环
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const loopData = computed(() => {
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return companyData.value.slice(0, visibleRows)
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})
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// 内容区域样式
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const contentStyle = computed(() => {
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return {
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transform: `translateY(-${scrollPosition.value}px)`
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}
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})
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// 滚动动画
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const scrollAnimation = () => {
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const totalHeight = companyData.value.length * rowHeight
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const loopHeight = loopData.value.length * rowHeight
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// 更新滚动位置
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scrollPosition.value += scrollSpeed
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// 当滚动到循环数据部分时，重置位置实现无缝衔接
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if (scrollPosition.value >= totalHeight) {
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scrollPosition.value -= totalHeight
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}
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animationFrame = requestAnimationFrame(scrollAnimation)
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}
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const initChart =(mapData)=>{
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//获取echart对象
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let dom = document.getElementById('areaMap')
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if (dom) {
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//初始化
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let myEchart = echarts.init(dom)
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//注册地图
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echarts.registerMap('苏州市', SUZHOU)
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let option = {
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geo: {
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map: '苏州市',
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aspectScale: 0.8,
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layoutCenter: ['50%', '50%'], //地图位置
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layoutSize: '75%',
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itemStyle: {
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normal: {
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shadowColor: '#000',
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shadowOffsetX: 0,
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shadowOffsetY: 40,
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opacity: 0.1
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},
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emphasis: {
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areaColor: '#fff'
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}
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}
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},
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tooltip: {
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trigger: 'item',
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backgroundColor: 'rgba(166, 200, 76, 0.82)',
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borderColor: '#FFFFCC',
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showDelay: 0,
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hideDelay: 0,
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enterable: true,
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transitionDuration: 0,
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extraCssText: 'z-index:100',
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formatter: function (params, ticket, callback) {
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console.log('params', params.value);
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//根据业务自己拓展要显示的内容
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var res = ''
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var name = params.name
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var value = params.value[params.seriesIndex + 1] || params.value
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res = "<span style='color:#fff;'>" + name + '</span><br/>数据：' + value
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return res
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}
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},
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series: [
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{
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tooltip: {
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trigger: 'item',
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},
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name: '苏州市数据',
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type: 'map',
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map: '苏州市', // 自定义扩展图表类型
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label: { // 文字
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show: true,
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color: '#fff',
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fontSize: 10
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},
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itemStyle: { // 地图样式
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shadowBlur: 10,
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shadowColor: '#000',
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areaColor: 'rgb(1,95,176)', //区域颜色
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normal: {
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areaColor: 'rgb(1,95,176)',
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borderColor: '#02CDE6',
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borderWidth: 1
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},
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emphasis: {
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areaColor: 'rgb(3,26,65)',
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label: {
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color: '#fff'
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}
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}
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},
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},
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// 区域散点图
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{
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type: 'effectScatter',
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coordinateSystem: 'geo',
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symbolSize: 10,
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rippleEffect: {
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period: 3,
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scale: 10,
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brushType: 'fill'
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},
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label: {
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normal: {
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show: true,
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position: 'right',
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formatter: '{b}',
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color: 'yellow',
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fontSize: 12
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}
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},
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data: mapData,
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itemStyle: {
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//坐标点颜色
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normal: {
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show: true,
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color: 'skyblue',
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shadowBlur: 20,
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shadowColor: '#fff'
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},
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emphasis: {
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areaColor: '#fff'
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}
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}
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}
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],
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}
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myEchart.setOption(option);
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window.addEventListener('resize', function () {
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myEchart.resize();
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});
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}
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}
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</script>
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<style lang="postcss" scoped>
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.charts-container{
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width: 100%;
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height: 100%;
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display: flex;
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align-items: flex-start;
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gap: 10px
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}
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.container-left{
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display: flex;
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flex-direction: column;
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align-items: center;
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width: 300px;
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}
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.filter{
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width: 300px;
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margin-top: 50px;
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display: flex;
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align-items: center;
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}
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:deep(.el-input__wrapper){
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height: 28px;
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box-shadow: none;
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border: 1px solid #11FEEE;
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background: rgba(6,24,88,.6);
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color: #fff;
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}
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:deep(.el-input__inner){
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color: #02CDE6;
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}
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:deep(.el-input .el-select__caret){
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color: #02CDE6
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}
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:deep(.el-popper.is-light){
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background: rgb(8,44,97);
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.el-select-dropdown__item{
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color: #fff;
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&:hover{
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background: #015fb0;
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}
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}
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}
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.table-wrapper {
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position: relative;
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width: 300px;
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margin-top: 10px;
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border: 1px solid rgba(255,255,255,.1);
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border-radius: 2px;
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overflow: hidden;
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.scrollable-table {
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width: 100%;
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border-collapse: collapse;
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th,td {
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padding: 12px 15px;
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color: #fff;
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text-align: left;
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border-bottom: 1px solid rgba(255,255,255,.1);
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height: 40px; /* 与rowHeight一致 */
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box-sizing: border-box;
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font-size: 12px;
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font-weight: normal;
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}
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th {
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position: sticky;
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top: 0;
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z-index: 10; /* 确保表头在内容之上 */
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}
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tr{
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background: rgb(6,38,87);
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&:nth-of-type(2n){
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background: rgb(19,72,127);
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}
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}
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thead tr{
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background: rgba(0,0,0,0);
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}
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}
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.scroll-viewport {
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position: relative;
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overflow: hidden;
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.scroll-content {
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will-change: transform; /* 优化性能 */
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}
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.danger {
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color: #ff2f2f;
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animation: blink 1s infinite;
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}
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.warning {
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color: yellow;
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animation: blink 1s infinite;
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}
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}
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}
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@keyframes blink {
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0% { opacity: 1; }
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50% { opacity: 0.8; }
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100% { opacity: 1; }
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}
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#areaMap{
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flex: 1;
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height: 100%;
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}
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:deep(.BMap_cpyCtrl) {
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display: none !important;
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}
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:deep(.anchorBL) {
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display: none !important;
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}
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</style>
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