vue3+ts 写echarts 中国地图

需要引入二次封装的echarts和在ts文件写的option

<template>
  <div class="contentPage">
    <myEcharts :options="chartOptions" class="myEcharts" id="myEchartsMapId"             
     ref="mapEcharts" />
  </div>
</template>

<script setup name="Index" lang="ts">
import { ref, onMounted, onBeforeUnmount, watch, defineExpose } from 'vue';
import myEcharts from '@/components/MyEcharts';//这是我封装的echarts组件,看个人需求添加,我放在文章最后面
import { chinaMap } from '@/plugins/optoons';

const chartOptions: any = ref({});
let dataList: any = ref([
  {
    name: '南海诸岛',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '北京',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '天津',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '上海',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '重庆',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '河北',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '河南',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '云南',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '辽宁',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '黑龙江',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '湖南',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '安徽',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '山东',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '新疆',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '江苏',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '浙江',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '江西',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '湖北',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '广西',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '甘肃',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '山西',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '内蒙古',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '陕西',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '吉林',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '福建',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '贵州',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '广东',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '青海',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '西藏',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '四川',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '宁夏',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '海南',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '台湾',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '香港',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  },
  {
    name: '澳门',
    value: Math.floor(Math.random() * 100) // 返回 0 至 99 之间的数
  }
]);

let observer: ResizeObserver | null = null;
let resizeTimer: any = null;

const mapEcharts: any = ref();

onMounted(() => {
  initMap();

  observer = new ResizeObserver(handleResize);
  observer.observe(document.getElementById('myEchartsMapId'));
});

const handleResize = () => {
  clearTimeout(resizeTimer);
  resizeTimer = setTimeout(() => {
    mapEcharts.value?.autoResize();
  }, 200);
};

onBeforeUnmount(() => {
  if (observer) {
    observer.disconnect();
  }
});

const initMap = () => {
  chartOptions.value = chinaMap(dataList.value);
};
</script>

<style scoped lang="scss" name="Home">
.contentPage {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  justify-items: center;
  align-items: center;

  .myEcharts {
    width: 100%;
  }
}
</style>

单独把option写在一个ts文件里

import * as echarts from 'echarts';
import chinaMapJson from '@/plugins/chinaMap.json';

export const chinaMap = (dataList: Array<any>) => {
  echarts.registerMap('china', chinaMapJson);

  const option: object = {
    tooltip: {
      triggerOn: 'mousemove', //mousemove、click
      borderColor: 'rgba(65, 119, 254,  1)', //边框颜色
      alwaysShowContent: false,
      backgroundColor: 'rgba(238, 241, 255, 1)', //背景颜色
      textStyle: {
        fontSize: 14,
        color: 'rgba(51, 71, 93, 1)'
      },
      formatter: (params: any) => {
        return params.name + ': ' + params.value + '万人';
      }
    },
    geo: {
      map: 'china',
      roam: true, //是否允许缩放,拖拽
      zoom: 1.2, //初始化大小
      //缩放大小限制
      scaleLimit: {
        min: 1, //最小
        max: 10 //最大
      },
      label: {
        normal: {
          show: true,
          fontSize: '14',
          color: 'rgba(0,0,0,0.7)'
        }
      },
      //设置中心点
      center: [104.97, 35.71],
      // 省份地图添加背景
      itemStyle: {
        areaColor: '#bcc5ee',
        borderColor: 'rgba(0, 0, 0, 0.2)',
        borderWidth: 1
      },
      emphasis: {
        areaColor: '#FF6347',
        shadowOffsetX: 0,
        shadowOffsetY: 0,
        borderWidth: 0
      }
    },

    // visualMap: {
    //   show: true,
    //   left: 40,
    //   bottom: 50,
    //   showLabel: true,
    //   textStyle: {
    //     color: 'rgba(0,0,0,0.7)', //图例文字的样式
    //     fontSize: 14 //字体大小
    //   },
    //   pieces: [
    //     {
    //       gte: 15,
    //       label: '15万人以上',
    //       color: '#009dff'
    //     },
    //     {
    //       gte: 10,
    //       lt: 15,
    //       label: '10-15万人',
    //       color: '#3c57ce'
    //     },
    //     {
    //       gte: 5,
    //       lt: 10,
    //       label: '5-10万人',
    //       color: '#6f83db'
    //     },
    //     {
    //       gte: 1,
    //       lt: 5,
    //       label: '1-5万人',
    //       color: '#9face7'
    //     },
    //     {
    //       lt: 1,
    //       label: '1万人以下',
    //       color: '#bcc5ee'
    //     }
    //   ]
    // },
    visualMap: {
      type: 'continuous',
      text: ['', ''],
      showLabel: true,
      left: '50',
      min: 0,
      max: 100,
      inRange: {
        color: ['#edfbfb', '#b7d6f3', '#40a9ed', '#3598c1', '#215096']
      },
      splitNumber: 0
    },
    series: [
      {
        name: '中国地图',
        type: 'map',
        geoIndex: 0,
        data: dataList
      }
    ]
  };
  return option;
};

中国地图json(重要!!!)

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": { "id": "65", "size": "550", "name": "新疆", "cp": [86.9023, 41.148], "childNum": 18 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [96.416, 42.7588],
            [96.416, 42.7148],
            [95.9766, 42.4951],
            [96.0645, 42.3193],
            [96.2402, 42.2314],
            [95.9766, 41.9238],
            [95.2734, 41.6162],
            [95.1855, 41.792],
            [94.5703, 41.4844],
            [94.043, 41.0889],
            [93.8672, 40.6934],
            [93.0762, 40.6494],
            [92.6367, 39.6387],
            [92.373, 39.3311],
            [92.373, 39.1113],
            [92.373, 39.0234],
            [90.1758, 38.4961],
            [90.3516, 38.2324],
            [90.6152, 38.3203],
            [90.5273, 37.8369],
            [91.0547, 37.4414],
            [91.3184, 37.0898],
            [90.7031, 36.7822],
            [90.791, 36.6064],
            [91.0547, 36.5186],
            [91.0547, 36.0791],
            [90.8789, 36.0352],
            [90, 36.2549],
            [89.9121, 36.0791],
            [89.7363, 36.0791],
            [89.209, 36.2988],
            [88.7695, 36.3428],
            [88.5938, 36.4746],
            [87.3633, 36.4307],
            [86.2207, 36.167],
            [86.1328, 35.8594],
            [85.6055, 35.6836],
            [85.0781, 35.7275],
            [84.1992, 35.376],
            [83.1445, 35.4199],
            [82.8809, 35.6836],
            [82.4414, 35.7275],
            [82.002, 35.332],
            [81.6504, 35.2441],
            [80.4199, 35.4199],
            [80.2441, 35.2881],
            [80.332, 35.1563],
            [80.2441, 35.2002],
            [79.8926, 34.8047],
            [79.8047, 34.4971],
            [79.1016, 34.4531],
            [79.0137, 34.3213],
            [78.2227, 34.7168],
            [78.0469, 35.2441],
            [78.0469, 35.5078],
            [77.4316, 35.4639],
            [76.8164, 35.6396],
            [76.5527, 35.8594],
            [76.2012, 35.8154],
            [75.9375, 36.0352],
            [76.0254, 36.4746],
            [75.8496, 36.6943],
            [75.498, 36.7383],
            [75.4102, 36.958],
            [75.0586, 37.002],
            [74.8828, 36.9141],
            [74.7949, 37.0459],
            [74.5313, 37.0898],
            [74.5313, 37.2217],
            [74.8828, 37.2217],
            [75.1465, 37.4414],
            [74.8828, 37.5732],
            [74.9707, 37.749],
            [74.8828, 38.4521],
            [74.3555, 38.6719],
            [74.1797, 38.6719],
            [74.0918, 38.54],
            [73.8281, 38.584],
            [73.7402, 38.8477],
            [73.8281, 38.9795],
            [73.4766, 39.375],
            [73.916, 39.5068],
            [73.916, 39.6826],
            [73.8281, 39.7705],
            [74.0039, 40.0342],
            [74.8828, 40.3418],
            [74.7949, 40.5176],
            [75.2344, 40.4297],
            [75.5859, 40.6494],
            [75.7617, 40.2979],
            [76.377, 40.3857],
            [76.9043, 41.001],
            [77.6074, 41.001],
            [78.1348, 41.2207],
            [78.1348, 41.3965],
            [80.1563, 42.0557],
            [80.2441, 42.2754],
            [80.1563, 42.627],
            [80.2441, 42.8467],
            [80.5078, 42.8906],
            [80.4199, 43.0664],
            [80.7715, 43.1982],
            [80.4199, 44.165],
            [80.4199, 44.6045],
            [79.9805, 44.8242],
            [79.9805, 44.9561],
            [81.7383, 45.3955],
            [82.0898, 45.2197],
            [82.5293, 45.2197],
            [82.2656, 45.6592],
            [83.0566, 47.2412],
            [83.6719, 47.0215],
            [84.7266, 47.0215],
            [84.9023, 46.8896],
            [85.5176, 47.0654],
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            [85.7813, 48.4277],
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            [86.748, 48.9551],
            [86.8359, 49.1309],
            [87.8027, 49.1748],
            [87.8906, 48.999],
            [87.7148, 48.9111],
            [88.0664, 48.7354],
            [87.9785, 48.6035],
            [88.5059, 48.3838],
            [88.6816, 48.1641],
            [89.1211, 47.9883],
            [89.5605, 48.0322],
            [89.7363, 47.8564],
            [90.0879, 47.8564],
            [90.3516, 47.6807],
            [90.5273, 47.2412],
            [90.8789, 46.9775],
            [91.0547, 46.582],
            [90.8789, 46.3184],
            [91.0547, 46.0107],
            [90.7031, 45.7471],
            [90.7031, 45.5273],
            [90.8789, 45.2197],
            [91.582, 45.0879],
            [93.5156, 44.9561],
            [94.7461, 44.3408],
            [95.3613, 44.2969],
            [95.3613, 44.0332],
            [95.5371, 43.9014],
            [95.8887, 43.2422],
            [96.3281, 42.9346],
            [96.416, 42.7588]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "54", "size": "550", "name": "西藏", "cp": [87.8695, 31.6846], "childNum": 7 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
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            [88.5938, 36.4746],
            [88.7695, 36.3428],
            [89.209, 36.2988],
            [89.7363, 36.0791],
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          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "15", "size": "450", "name": "内蒙古", "cp": [110.5977, 41.3408], "childNum": 12 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [97.207, 42.8027],
            [99.4922, 42.583],
            [100.8105, 42.6709],
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            [102.041, 42.2314],
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            [105.4688, 36.123],
            [105.2051, 36.6943],
            [105.293, 36.8262],
            [104.8535, 37.2217],
            [104.5898, 37.2217],
            [104.5898, 37.4414],
            [104.3262, 37.4414]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "46", "size": "4500", "name": "海南", "cp": [109.9512, 19.2041], "childNum": 18 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [108.6328, 19.3799],
            [109.0723, 19.6436],
            [109.248, 19.9512],
            [109.5996, 20.0391],
            [110.0391, 20.127],
            [110.3906, 20.127],
            [110.5664, 20.2588],
            [110.6543, 20.2588],
            [111.0938, 19.9512],
            [111.2695, 19.9951],
            [110.6543, 19.1602],
            [110.5664, 18.6768],
            [110.2148, 18.5889],
            [110.0391, 18.3691],
            [109.8633, 18.3691],
            [109.6875, 18.1055],
            [108.9844, 18.2813],
            [108.6328, 18.457],
            [108.6328, 19.3799]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "71", "size": "3000", "name": "台湾", "cp": [120.8254, 23.5986], "childNum": 1 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [121.9043, 25.0488],
            [121.9922, 25.0049],
            [121.8164, 24.7412],
            [121.9043, 24.5654],
            [121.6406, 24.0381],
            [121.377, 23.1152],
            [121.0254, 22.6758],
            [120.8496, 22.0605],
            [120.7617, 21.9287],
            [120.6738, 22.3242],
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            [120.1465, 23.6865],
            [121.0254, 25.0488],
            [121.5527, 25.3125],
            [121.9043, 25.0488]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "11", "size": "5000", "name": "北京", "cp": [116.4551, 40.2539], "childNum": 19 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [117.4219, 40.21],
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            [116.8066, 39.5947],
            [116.543, 39.5947],
            [116.3672, 39.4629],
            [116.1914, 39.5947],
            [115.752, 39.5068],
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            [116.1914, 40.7813],
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            [117.2461, 40.5176],
            [117.4219, 40.21]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "12", "size": "5000", "name": "天津", "cp": [117.4219, 39.4189], "childNum": 18 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [116.8066, 39.5947],
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            [117.2461, 40.0781],
            [117.334, 40.1221],
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            [116.7188, 38.9355],
            [116.8945, 39.1113],
            [116.8066, 39.5947]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "31", "size": "7500", "name": "上海", "cp": [121.4648, 31.2891], "childNum": 19 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [120.9375, 31.0254],
            [121.2012, 31.4648],
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            [121.2012, 31.8604],
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            [121.9922, 30.8057],
            [121.2891, 30.6738],
            [120.9375, 31.0254]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "81", "size": "18000", "name": "香港", "cp": [114.6178, 22.3242], "childNum": 1 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [114.6094, 22.4121],
            [114.5215, 22.1484],
            [114.3457, 22.1484],
            [113.9063, 22.1484],
            [113.8184, 22.1924],
            [113.9063, 22.4121],
            [114.1699, 22.5439],
            [114.3457, 22.5439],
            [114.4336, 22.5439],
            [114.4336, 22.4121],
            [114.6094, 22.4121]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": { "id": "82", "size": "27", "name": "澳门", "cp": [114.5547, 22.1484], "childNum": 1 },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [113.5986, 22.1649],
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            [113.5547, 22.11],
            [113.5437, 22.2034],
            [113.5767, 22.2034],
            [113.5986, 22.1649]
          ]
        ]
      }
    }
  ]
}

二次封装echarts组件

<template>
  <div ref="chartRef" class="chart-container"></div>
</template>

<script setup lang="ts">
import { ref, onMounted, onBeforeUnmount, watch, defineExpose } from 'vue';
import * as echarts from 'echarts';

// 定义 Props 类型
interface ChartProps {
  options: EChartsOption;
  // 可以添加其他 props 如:autoResize, theme 等
}

const props = withDefaults(defineProps<ChartProps>(), {
  options: () => ({} as EChartsOption)
});

const chartRef = ref<HTMLDivElement | null>(null);
let chartInstance: echarts.ECharts | null = null;

// 初始化 ECharts
onMounted(() => {
  if (chartRef.value) {
    chartInstance = echarts.init(chartRef.value);
    chartInstance.setOption(props.options);

    // 如果需要,添加窗口大小变化时的响应式处理
    window.addEventListener('resize', () => {
      chartInstance?.resize();
    });
  }
});

// 监听 options 的变化并更新图表
watch(
  () => props.options,
  (newOptions) => {
    if (chartInstance) {
      chartInstance.setOption(newOptions);
    }
  },
  { deep: true }
);

// 清理
onBeforeUnmount(() => {
  if (chartInstance) {
    chartInstance.dispose();
    chartInstance = null;
    window.removeEventListener('resize', () => chartInstance?.resize());
  }
});

// 提供 API
defineExpose({
  // 例如:提供一个方法来刷新图表
  refreshChart(newOptions: EChartsOption) {
    if (chartInstance) {
      chartInstance.setOption(newOptions);
    }
  },
  // 获取 ECharts 实例(谨慎使用,可能会破坏封装性)
  getChartInstance() {
    return chartInstance;
  },
  //自适应容器宽度高度
  autoResize() {
    chartInstance?.resize();
  }
});
</script>

<style scoped>
.chart-container {
  width: 100%;
  height: 100%;
}
</style>

最后效果

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