dvcp_v2_webapp/components/AiDvMap.vue

<template>
  <div class="AiDvMap" v-resize="onDomResize">
    <div class="chart-map" :class="v" style="width: 800px; height: 600px"></div>
  </div>
</template>

<script>
import * as echarts from 'echarts'
import http from "dui/lib/js/request";

export default {
  name: 'AiDvMap',
  data() {
    return {
      timer: null,
      v: `AiDvMap-${new Date().getTime()}`,
      chart: null
    }
  },
  directives: {
    resize: {
      bind(el, binding) {
        let width = ''
        let height = ''

        function isReize() {
          const style = document.defaultView.getComputedStyle(el)
          if (width !== style.width || height !== style.height) {
            binding.value({
              width: style.width,
              height: style.height
            })
          }
          width = style.width
          height = style.height
        }

        el.__vueSetInterval__ = setInterval(isReize, 300)
      },

      unbind(el) {
        clearInterval(el.__vueSetInterval__)
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },

  methods: {
    onDomResize() {
      this.$nextTick(() => {
        this.chart.resize()
      })
    },

    initChart() {
      this.chart = echarts.init(document.querySelector(`.${this.v}`))
      this.getData().then(res => {
        if (res.code === 0) {
          echarts.registerMap('滨海县', res.data)

          let option = {
            geo: [
              {
                map: "滨海县",
                aspectScale: 1,
                zoom: 0.65,
                layoutCenter: ["50%", "50%"],
                layoutSize: "180%",
                show: true,
                roam: false,
                emphasis: {
                  show: true,
                  label: {
                    textStyle: {
                      color: "#FFFFFF"
                    },
                  },
                  itemStyle: {
                    // areaColor: '#fff'
                  }
                },
                label: {
                  normal: {
                    show: false,
                    color: '#fff',
                    fontSize: '20'
                  }
                },
                itemStyle: {
                  normal: {
                    borderColor: "rgba(2, 198, 220, 1)",
                    borderWidth: 2,
                    shadowColor: "rgba(2, 198, 220, 0.1)",
                    shadowOffsetY: 10,
                    shadowBlur: 120,
                    areaColor: "#163c56",
                  },
                }
              },
              // 重影
              {
                type: "map",
                map: "滨海县",
                zlevel: -1,
                aspectScale: 1,
                zoom: 0.65,
                layoutCenter: ["50%", "51%"],
                layoutSize: "180%",
                roam: false,
                silent: true,
                itemStyle: {
                  normal: {
                    borderWidth: 1,
                    // borderColor:"rgba(17, 149, 216,0.6)",
                    borderColor: "rgba(2, 198, 220, 0.6)",
                    shadowColor: "rgba(2, 198, 220, 0.6)",
                    shadowOffsetY: 5,
                    shadowBlur: 15,
                    areaColor: "rgba(5,21,35,0.1)",
                  },
                },
              },
              {
                type: "map",
                map: "滨海县",
                zlevel: -2,
                aspectScale: 1,
                zoom: 0.65,
                layoutCenter: ["50%", "52%"],
                layoutSize: "180%",
                roam: false,
                silent: true,
                itemStyle: {
                  normal: {
                    borderWidth: 1,
                    // borderColor: "rgba(57, 132, 188,0.4)",
                    borderColor: "rgba(2, 198, 220, 0.4)",
                    shadowColor: "rgba(2, 198, 220, 0.4)",
                    shadowOffsetY: 5,
                    shadowBlur: 15,
                    areaColor: "transpercent",
                  },
                },
              },
              {
                type: "map",
                map: "滨海县",
                zlevel: -3,
                aspectScale: 1,
                zoom: 0.65,
                layoutCenter: ["50%", "53%"],
                layoutSize: "180%",
                roam: false,
                silent: true,
                itemStyle: {
                  normal: {
                    borderWidth: 1,
                    // borderColor: "rgba(11, 43, 97,0.8)",
                    borderColor: "rgba(2, 198, 220, 0.2)",
                    shadowColor: "rgba(2, 198, 220, 0.2)",
                    shadowOffsetY: 15,
                    shadowBlur: 10,
                    areaColor: "transpercent",
                  },
                },
              }
            ],
            series: [
              {
                type: 'scatter',
                coordinateSystem: 'geo',
                z: 3,
                zlevel: 3,
                // symbol: 'none',
                symbolSize: 16,
                rippleEffect: {
                  period: 2,
                  scale: 4,
                  brushType: 'fill'
                },
                label: {
                  show: true,
                  formatter: e => {
                    const name = e.data[3]
                    const value = e.data[2]
                    return `{a|${name}}\n{b|${value}}`
                  },
                  fontSize: 16,
                  rich: {
                    a: {
                      width: '100%',
                      color: '#fff',
                      lineHeight: 20,
                      fontSize: 16
                    },
                    b: {
                      backgroundColor: {
                        // image: require('@/assets/images/point.png')
                      },
                      color: '#fff',
                      height: 56,
                      align: 'center',
                      width: 50,
                      fontSize: 16
                    }
                  }
                },
                data: []
              }
            ]
          }
          this.chart.setOption(option)
        }
      })
    },

    convertData(data) {
      return data.map(v => {
        return [this.qqMapTransBMap(v.point[1], v.point[0]).lng, this.qqMapTransBMap(v.point[1], v.point[0]).lat, v.value, v.name]
      })
    },

    qqMapTransBMap(lng, lat) {
      const x_pi = 3.14159265358979324 * 3000.0 / 180.0
      var x = lng
      var y = lat
      var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi)
      var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi)

      return {
        lng: z * Math.cos(theta) + 0.0065,
        lat: z * Math.sin(theta) + 0.006
      }
    },

    getData() {
      return http.post(`/app/appdvcpconfig/apiForward?url=${encodeURIComponent(`https://geo.datav.aliyun.com/areas_v3/bound/geojson?code=${this.$store.state.user.info.areaId.substr(0, 6)}`)}`,)
    }
  }
}
</script>

<style lang="scss" scoped>
.AiDvMap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
</style>