daimp-front/sub-operation-service/src/views/smartFarm/components/mapComp.vue

<template>
  <div ref="mapContainer" style="width: 100%; height: 300px; background: #ffffff; border: 0"></div>
</template>

<script setup>
import { ref, onMounted } from 'vue';
import * as echarts from 'echarts';
import json from '@/assets/530926geo.json';
import { getAssetsFile } from '@/utils';

// 您提供的耿马县GeoJSON数据
const gengmaGeoJSON = json;

const today = new Date();
const formattedDate = today
  .toLocaleDateString('zh-CN', {
    year: 'numeric',
    month: 'numeric',
    day: 'numeric',
  })
  .replace(/\//g, '/'); // 确保分隔符是 /

// 模拟乡镇数据（根据图片中的地名）
const towns = ref([
  { id: 0, name: '孟定镇', coord: [99.01, 23.64], weather: '晴', temp: '28℃', icon: 'sunny' },
  { id: 1, name: '勐简乡', coord: [99.24, 23.79], weather: '多云', temp: '26℃', icon: 'cloudy' },
  { id: 2, name: '四排山乡', coord: [99.5, 23.38], weather: '小雨', temp: '24℃', icon: 'rainy' },
  { id: 3, name: '大兴乡', coord: [99.8, 23.76], weather: '多云', temp: '25℃', icon: 'cloudy' },
  { id: 4, name: '耿马镇', coord: [99.42, 23.66], weather: '多云', temp: '26℃', icon: 'cloudy' },
  { id: 5, name: '贺派乡', coord: [99.21, 23.4], weather: '晴', temp: '27℃', icon: 'sunny' },
  { id: 6, name: '芒洪乡', coord: [99.73, 23.59], weather: '阴', temp: '23℃', icon: 'overcast' },
  { id: 7, name: '勐永镇', coord: [99.53, 23.99], weather: '小雨', temp: '22℃', icon: 'rainy' },
  { id: 8, name: '勐撒镇', coord: [99.47, 23.85], weather: '晴', temp: '28℃', icon: 'sunny' },
]);

const mapContainer = ref(null);

// 获取天气图标路径
// function getWeatherIconPath(iconType) {
//   return `/images/${iconType}.png`; // 使用绝对路径
// }
function getWeatherIconPath(iconType) {
  const iconMap = {
    sunny: 'images/smartFarm/sunny.png',
    cloudy: 'images/smartFarm/sunnyToCloudy.png',
    rainy: 'images/smartFarm/rainy.png',
    overcast: 'images/smartFarm/windy.png',
  };
  let path = iconMap[iconType] ? iconMap[iconType] : 'images/smartFarm/sunny.png';
  return getAssetsFile(path);
}
const emit = defineEmits(['changeMap']);
// 显示天气详情弹窗
const showWeatherDetail = (data) => {
  emit('changeMap', { message: data });
};

onMounted(() => {
  // 添加防御性检查
  if (!towns.value || towns.value.some((t) => !t.weather)) {
    console.error('天气数据不完整');
    return;
  }
  const chart = echarts.init(mapContainer.value, 'dark');

  // 添加点击事件监听
  chart.on('click', (params) => {
    if (params.componentType === 'series') {
      // 点击乡镇标记点
      showWeatherDetail(params.name);
    } else if (params.componentType === 'geo') {
      // 点击地图区域
      showWeatherDetail(params.name);
    }
  });

  // 注册地图
  echarts.registerMap('耿马县', gengmaGeoJSON);

  // 配置项
  const option = {
    backgroundColor: '#fff', // 白色背景
    title: {
      text: '气象数据',
      left: 20,
      top: 10,
      textStyle: {
        color: '#000', // 黑色文字
        fontSize: 18,
        fontWeight: 'bold',
      },
    },
    geo: {
      map: '耿马县',
      roam: false,
      zoom: 1.1,
      itemStyle: {
        areaColor: '#a8d8ea', // 浅蓝色填充
        borderColor: '#4682B4', // 钢蓝色边界
        borderWidth: 1.2,
        shadowColor: 'rgba(0, 100, 150, 0.3)',
        shadowBlur: 8,
      },
      emphasis: {
        itemStyle: {
          areaColor: '#7ac5e0', // 稍深的蓝绿色
          borderWidth: 1.5,
        },
      },
    },
    series: [
      {
        type: 'scatter',
        coordinateSystem: 'geo',
        symbolSize: 30,
        data: towns.value.map((town) => ({
          id: town.id,
          name: town.name,
          value: [...town.coord, town.temp],
          weather: town.weather,
          symbol: `image://${getWeatherIconPath(town.icon)}`,
          symbolOffset: [10, -10], // 符号向上移
          // 标签下移10px（抵消symbol偏移）
          label: { offset: [10, 20] },
        })),
        label: {
          show: true,
          formatter: (params) => {
            // 使用rich实现图文复合布局
            return `{name|${params.name}}`;
          },
          rich: {
            name: {
              color: '#333',
              fontSize: 12,
              align: 'center',
              lineHeight: 20,
              padding: [2, 0],
            },
          },
          position: function (point) {
            // 根据坐标动态调整位置（示例逻辑，需根据实际坐标微调）
            return point[1] > 23.6 ? 'top' : 'bottom';
          },
          distance: 8,
          offset: [0, 0],
          padding: [2, 5],
          backgroundColor: 'rgba(255,255,255,0.7)',
          borderColor: '#4682B4',
          borderWidth: 0.5,
          borderRadius: 3,
        },
        tooltip: {
          formatter: (params) => `
          <div style="font-size:14px;color:#333;font-weight:bold;margin-bottom:5px;">
            ${params.name}
          </div>
          <div style="margin:5px 0;">
            <span style="display:inline-block;width:70px;">天气：</span>
            <span style="color:#1E90FF;">${params.data.weather}</span>
          </div>
          <div>
            <span style="display:inline-block;width:70px;">温度：</span>
            <span style="color:#1E90FF;">${params.value[2]}</span>
          </div>
        `,
          backgroundColor: 'rgba(255, 255, 255, 0.9)',
          borderColor: '#4682B4',
          borderWidth: 1,
          padding: 10,
        },
      },
    ],
    graphic: {
      type: 'text',
      left: 20,
      bottom: 0,
      style: {
        text: '数据更新于: ' + formattedDate,
        fill: '#666',
        fontSize: 12,
      },
    },
  };

  chart.setOption(option);

  window.addEventListener('resize', function () {
    chart.resize();
  });
});
</script>