data-room/data-room-ui/packages/BasicComponents/Map/index.vue

<template>
  <div
    class="bs-design-wrap bs-bar"
    style="width: 100%; height: 100%"
  >
    <el-button v-if="currentDeep > 0" class="button" type='text' @click="jumpTo(config)"> 返回上一级</el-button>
    <div
      :id="`chart${config.code}`"
      style="width: 100%; height: 100%"
    />
  </div>
</template>
<script>
import 'insert-css'
import * as echarts from 'echarts'
import commonMixins from 'data-room-ui/js/mixins/commonMixins.js'
import paramsMixins from 'data-room-ui/js/mixins/paramsMixins'
import linkageMixins from 'data-room-ui/js/mixins/linkageMixins'

export default {
  name: 'MapCharts',
  mixins: [paramsMixins, commonMixins, linkageMixins],
  props: {
    id: {
      type: String,
      default: ''
    },
    config: {
      type: Object,
      default: () => ({})
    }
  },
  data() {
    return {
      currentDeep: 0,
      mapList: [],
      charts: null,
      hasData: false,
      level: '',
      option: {}
    }
  },
  computed: {
    Data() {
      return JSON.parse(JSON.stringify(this.config))
    }
  },
  watch: {
    Data: {
      handler(newVal, oldVal) {
        if (newVal.w !== oldVal.w || newVal.h !== oldVal.h) {
          this.$nextTick(() => {
            this.charts.resize()
          })
        }
      },
      deep: true
    }
  },
  mounted() {
    this.chartInit()
  },
  beforeDestroy() {
    this.charts?.clear()
  },
  methods: {
    chartInit() {
      const config = this.config
      // key和code相等，说明是一进来刷新，调用list接口
      if (this.config.code === this.config.key || this.isPreview) {
        // 改变数据
        this.changeDataByCode(config).then((res) => {
          // 改变样式
          // config = this.changeStyle(res)
          this.newChart(config)
        }).catch(() => {
        })
      } else {
        // 否则说明是更新，这里的更新只指更新数据（改变样式时是直接调取changeStyle方法），因为更新数据会改变key,调用chart接口
        this.changeData(config).then((res) => {
          // 初始化图表
          this.newChart(res)
        })
      }
    },
    dataFormatting(config, data) {
      const dataList = []
      data?.data?.forEach(item => {
        dataList.push({
          name: item[config.customize.name],
          value: [item[config.customize.xaxis], item[config.customize.yaxis], item[config.customize.value]]
        })
      })
      config.option = {
        ...config.option,
        data: dataList
      }
      return config
    },
    async jumpTo(config) {
      this.currentDeep--
      let map = this.mapList[this.currentDeep]
      // 移除mapList中的最后一个元素
      this.mapList.pop()
      let mapData = JSON.parse(map.geoJson)
      this.option.geo.map = map.name;
      this.changeData({...config, customize: {...config.customize, level: map.level, scope: map.name}})
      echarts.registerMap(map.name, mapData);
      this.charts.setOption(this.option, true);
    },
    async newChart(config) {
      let center1 = config.customize.center1 ? config.customize.center1 + '%' : '50%'
      let center2 = config.customize.center2 ? config.customize.center2 + '%' : '50%'
      this.charts = echarts.init(
        document.getElementById(`chart${this.config.code}`)
      )
      this.option = {
        // 背景颜色
        backgroundColor: config.customize.backgroundColor,
        graphic: [],
        geo: {
          map: config.customize.scope,
          zlevel: 9,
          show: true,
          // 地图中心点位置
          layoutCenter: [center1, center2],
          roam: true,
          layoutSize: "100%",
          zoom: config.customize.zoom || 1,
          label: {
            // 通常状态下的样式
            normal: {
              show: config.customize.mapName,
              textStyle: {
                color: '#fff'
              }
            },
            // 鼠标放上去的样式
            emphasis: {
              textStyle: {
                color: '#fff'
              }
            }
          },
          // 地图区域的样式设置
          itemStyle: {
            normal: {
              borderColor: config.customize.mapLineColor,
              borderWidth: 1,
              areaColor: config.customize.areaColor,
              shadowColor: 'fffff',
              shadowOffsetX: -2,
              shadowOffsetY: 2,
              shadowBlur: 10
            },
            // 鼠标放上去高亮的样式
            emphasis: {
              areaColor: '#389BB7',
              borderWidth: 0
            }
          }
        },
        // 提示浮窗样式
        tooltip: {
          show: false,
          trigger: 'item',
          alwaysShowContent: false,
          backgroundColor: config.customize.tooltipBackgroundColor,
          borderColor: config.customize.borderColor,
          hideDelay: 100,
          triggerOn: 'mousemove',
          enterable: true,
          textStyle: {
            color: '#DADADA',
            fontSize: '12',
            width: 20,
            height: 30,
            overflow: 'break'
          },
          showDelay: 100
        },
        series: config.customize.scatter
          ? [
            // {
            //   type: 'effectScatter',
            //   coordinateSystem: 'geo',
            //   effectType: 'ripple',
            //   showEffectOn: 'render',
            //   rippleEffect: {
            //     period: 10,
            //     scale: 10,
            //     brushType: 'fill'
            //   },

            //   hoverAnimation: true,
            //   itemStyle: {
            //     normal: {
            //       color: 'rgba(255, 235, 59, .7)',
            //       shadowBlur: 10,
            //       shadowColor: '#333'
            //     }
            //   },
            //   tooltip: {
            //     formatter(params) {
            //       return `<p style="text-align:center;line-height: 30px;height:30px;font-size: 14px;border-bottom: 1px solid #7A8698;">${
            //         params.name
            //       }</p>
            //   <div style="line-height:22px;margin-top:5px">GDP<span style="margin-left:12px;color:#fff;float:right">${
            //     params.data?.value[2] || '--'
            //   }</span></div>`
            //     },
            //     show: true
            //   },
            //   zlevel: 1,
            //   data: [
            //     { name: '西藏自治区', value: [91.23, 29.5, 1] },
            //     { name: '黑龙江省', value: [128.03, 47.01, 1007] },
            //     { name: '北京市', value: [116.4551, 40.2539, 5007] }
            //   ]
            // }
            {
              type: 'scatter',
              coordinateSystem: 'geo',
              symbol: 'pin',
              legendHoverLink: true,
              symbolSize: [60, 60],
              showEffectOn: 'render',
              rippleEffect: {
                brushType: 'stroke'
              },
              hoverAnimation: true,
              zlevel: 11,
              // 这里渲染标志里的内容以及样式
              label: {
                show: true,
                formatter(value) {
                  return value.data.value[2]
                },
                color: config.customize.scatterColor
              },
              // 标志的样式
              itemStyle: {
                normal: {
                  color: config.customize.scatterBackgroundColor,
                  shadowBlur: 2,
                  shadowColor: 'D8BC37'
                }
              },
              data: config.option?.data
            }
          ]
          : [
            {
              type: 'map',
              map: config.customize.scope,
              geoIndex: 0,
              roam: false,
              zoom: 1.5,
              center: [105, 36],
              showLegendSymbol: false, // 存在legend时显示
              data: config.option?.data,
              tooltip: {
                formatter(params) {
                  return `<p style="text-align:center;line-height: 30px;height:30px;font-size: 14px;border-bottom: 1px solid #7A8698;">${
                    params.name
                  }</p>
                <div style="line-height:22px;margin-top:5px">GDP<span style="margin-left:12px;color:#fff;float:right">${
                    params.data?.value[2] || '--'
                  }</span></div>`
                },
                show: true
              }
            }
          ]
      }
      if (config.customize.visual) {
        this.option.visualMap = {
          show: true,
          min: config.customize.range[0],
          max: config.customize.range[1],
          seriesIndex: [0],
          inRange: {
            color: config.customize.rangeColor
          }
        }
      }
      let hasMapId = !!config.customize.mapId
      // 根据mapId获取地图数据
      let mapInfoUrl = `${window.BS_CONFIG?.httpConfigs?.baseURL}/bigScreen/map/info/${config.customize.mapId}`
      // 如果设置了地图id，就用地图id获取地图数据，否则用默认的世界地图
      if (!hasMapId) {
        mapInfoUrl = `${window.BS_CONFIG?.httpConfigs?.baseURL}/static/chinaMap/country/中华人民共和国.json`
      }
      const mapResp = await this.$dataRoomAxios.get(decodeURI(mapInfoUrl), {}, true)
      const map = hasMapId ? JSON.parse(mapResp.data.geoJson) : mapResp
      if (hasMapId && mapResp.data.uploadedGeoJson !== 1) {
        // 没有上传过geoJson
        this.$message({
          message: '请先上传地图数据',
          type: 'warning'
        })
        return
      }
      this.mapList.push(mapResp.data)
      echarts.registerMap(config.customize.scope, map)
      this.charts.setOption(this.option)
      // 点击下钻
      this.charts.on('click', async (params) => {
        if (params.name == '') return
        if (!config.customize.down) {
          this.$message({
            message: '该地图未开启下钻',
            type: 'warning'
          })
          return
        }
        // 到达允许下钻的层数，则不再下钻
        if (this.currentDeep >= config.customize.downLevel) return
        const downMapUrl = `${window.BS_CONFIG?.httpConfigs?.baseURL}/bigScreen/map/data/${this.mapList[this.currentDeep].id}/${params.name}`
        const downMap = await this.$dataRoomAxios.get(decodeURI(downMapUrl), {}, false)
        // 地图不可用
        if (downMap.available !== 1) {
          this.$message({
            message: '未找到该地图配置',
            type: 'warning'
          })
          return
        }
        this.currentDeep++
        this.mapList.push(downMap)
        this.changeData({...config, customize: {...config.customize, scope: params.name}})
        this.option.geo.map = params.name
        echarts.registerMap(params.name, JSON.parse(downMap.geoJson));
        this.charts.setOption(this.option, true);
      });
    }
  }
}
</script>

<style lang="scss" scoped>
@import '../../assets/style/echartStyle';

.light-theme {
  background-color: #ffffff;
  color: #000000;
}

.auto-theme {
  background-color: rgba(0, 0, 0, 0);
}

.bs-design-wrap {
  position: relative;
  padding: 0 16px;

  .button {
    position: absolute;
    z-index: 999;
  }
}
</style>