vue2使用 AMap-Vue 高德地图（矩形、圆形、多边形）绘制电子围栏

<template>
  <div>
      <amap :zoom="zoom" :center="position" ref="grawAmap" style="z-index:99;width:100%;height:600px;">
          <div v-if="drawer.path">
              <amap-rectangle v-if="drawer.mode == 1" :bounds.sync="drawer.path" fill-color="#409EFF" stroke-color="#000A58" :fill-opacity="0.3" />
              <amap-circle v-if="drawer.mode == 2" :center.sync="drawer.path.center" :radius.sync="drawer.path.radius" fill-color="#409EFF" stroke-color="#000A58" :fill-opacity="0.5" />
              <amap-polygon v-if="drawer.mode == 3" :path.sync="drawer.path" fill-color="#409EFF" stroke-color="#000A58" :fill-opacity="0.5" />
          </div>
      </amap>
      <Button @click="drawerChange(1)">矩形</Button>
      <Button @click="drawerChange(2)">圆形</Button>
      <Button @click="drawerChange(3)">多边形</Button>
      <Button style="margin-left:10px;" icon="md-close" @click="eliminateChange()" type="warning">清除围栏</Button>

  </div>
</template>
<script>
  export default {
    components: {},
    data() {
      return {
          zoom: 12,//地图级别
          position: [116.378517,39.865246],//地图中心点
          drawer: {
            mode: 0,
            path: null,
          },
          mouseTool:null,
          objEditor:null,
          pathData:[]
      };
    },
    methods: {
      drawerChange(type){
        let vm=this
        vm.drawer.path=null
        vm.drawer.mode=type
        vm.mouseTool ? vm.mouseTool.close(true) : '' //鼠标工具 取消
   
        let map=vm.$refs.grawAmap.$map //获取地图对象

        //创建鼠标工具
        AMap.plugin(["AMap.MouseTool"],function () {
          let mouseTool = new AMap.MouseTool(map) 
          vm.mouseTool=mouseTool
          switch (type) {
              case 1:
                mouseTool.rectangle()//鼠标工具 画矩形
                break
              case 2:
                mouseTool.circle()//鼠标工具 画圆
                break
              case 3:
                mouseTool.polygon()//鼠标工具 画多边形
                break
          }
          // 鼠标工具绘制覆盖物结束触发此事件。
          mouseTool.on('draw', function(e) {
              mouseTool.close(false) //鼠标工具 关闭
              var path = e.obj.getPath()
              let pathArr=[],newDada=[]
              path.forEach(e => {
                pathArr.push([e.getLng(), e.getLat()])
              })
              vm.pathData=pathArr
              console.log("圈选：", pathArr);

              //  处理编辑  开始
              switch (type) {
                case 1:
                  vm.objEditor = new AMap.RectangleEditor(map, e.obj)//矩形编辑
                  break
                case 2:
                  vm.objEditor = new AMap.CircleEditor(map, e.obj)//圆形编辑
                  break
                case 3:
                  vm.objEditor = new AMap.PolyEditor(map, e.obj)//多边形编辑
                  break
              }
              // 打开编辑功能。调整图形形状
              vm.objEditor.open()
              //鼠标调整横向和纵向半径时触发该事件
              vm.objEditor.on('adjust', function(event) {
                  pathArr=[]
                  newDada = event.target.getPath()
                  newDada.forEach(el => { pathArr.push([el.lng,el.lat]) })
                  vm.pathData=pathArr
                  console.log("鼠标调整横向和纵向半径：", pathArr);
              })
              //鼠标调整图形位置时触发该事件
              vm.objEditor.on('move', function(event) {
                  newDada=[]
                  pathArr = event.target.getPath()
                  pathArr.forEach(el => { newDada.push([el.lng,el.lat]) })
                  vm.pathData=newDada
                  console.log("鼠标移动圈选区域：", pathArr);
              })
              //  处理编辑  结束
          })
        })
      },
      eliminateChange(){
        this.mouseTool ? this.mouseTool.close(true) : '' //鼠标工具 取消
        this.objEditor ? this.objEditor.close() : '' //绘制 取消编辑 关闭编辑功能
        this.drawer.mode = 0
        this.drawer.path=null
      }
    }
  };
</script>
<style scoped></style>