lazyAMapApiLoaderInstance.load().then(() => {
        this.map = new AMap.Map('test-map', {
          zooms: [13, 18], // 地圖縮放范圍
          center: new AMap.LngLat(116.397428, 39.90923)
        })
        this.initPathSimplifier()
      })

// 初始化組件實(shí)例
      initPathSimplifier() {
        let that = this
        AMapUI.load(['ui/misc/PathSimplifier'], (PathSimplifier) => {
          if (!PathSimplifier.supportCanvas) {
            alert('當(dāng)前環(huán)境不支持 Canvas！')
            return
          }
          //創(chuàng)建一個(gè)巡航軌跡路線
          that.pathSimplifierIns = new PathSimplifier({
            zIndex: 100,//地圖層級(jí)，
            map: this.map, //所屬的地圖實(shí)例
            //巡航路線軌跡列表
            getPath: (pathData, pathIndex) => {
              return pathData.path;
            },
            //hover每一個(gè)軌跡點(diǎn)，展示內(nèi)容
            getHoverTitle: function(pathData, pathIndex, pointIndex) {
              if (pointIndex >= 0) {
                return pathData.name + '，點(diǎn)：' + pointIndex + '/' + pathData.path.length;
              }
              return pathData.name + '，點(diǎn)數(shù)量' + pathData.path.length;
            },
            //自定義樣式，可設(shè)置巡航器樣式，巡航軌跡樣式，巡航軌跡點(diǎn)擊、hover等不同狀態(tài)下的樣式，不設(shè)置則用默認(rèn)樣式，詳情請(qǐng)參考api文檔 renderOptions:{}
            //繪制路線節(jié)點(diǎn)
            renderOptions: {
              renderAllPointsIfNumberBelow: 100 //繪制路線節(jié)點(diǎn)，如不需要可設(shè)置為-1
            }
          });

          //設(shè)置數(shù)據(jù)
          that.pathSimplifierIns.setData([{
            name: '路線0',
            path: that.actualList
          }]);
          //對(duì)第一條線路（即索引 0）創(chuàng)建一個(gè)巡航器
          that.navgtr = that.pathSimplifierIns.createPathNavigator(0, {
            loop: false, //循環(huán)播放
            speed: that.navgtrSpeed //巡航速度，單位千米/小時(shí)
          });

          that.navgtr.on("start resume", function() {
            that.navgtr._startTime = Date.now();
            that.navgtr._startDist = this.getMovedDistance();
          });
          that.navgtr.on("stop pause", function() {
            that.navgtr._movedTime = Date.now() - that.navgtr._startTime;
            that.navgtr._movedDist = this.getMovedDistance() - that.navgtr._startDist;
          });
          that.navgtr.on("move", function(data,position) {
            let idx = position.dataItem.pointIndex //走到了第幾個(gè)點(diǎn)
            let tail = position.tail //至下一個(gè)節(jié)點(diǎn)的比例位置
            let totalIdx = idx + tail
            let len = position.dataItem.pathData.path.length

            // 計(jì)算下一個(gè)距離速度
            if (idx < len - 1) {
              that.navgtr.setSpeed(that.navgtrSpeed * that.times);
            }
            // 進(jìn)度條實(shí)時(shí)展示tail
            !that.isOnSlider && (that.sliderVal = (totalIdx / len) * 100);
            // 如果到頭了，回到初始狀態(tài)
            if (that.navgtr.isCursorAtPathEnd()) {
              that.playIcon = "start";
              that.isPlay = false;
              that.sliderVal = 0;
              that.passedTime = that.totalTime;
            }
          });
        })
      },

sliderChange(val){
        let newVal = typeof(newVal)==='number' ? val : this.sliderVal
        let num = parseInt((newVal / 100) * this.actualList.length);
        let decimal = String((newVal / 100) * this.actualList.length).split('.')[1]||0
        this.navgtr.moveToPoint(num, Number('0.'+decimal));
        this.pathSimplifierIns.renderLater();
      },

watch:{
  sliderVal(newVal) {
   if (!this.isOnSlider) {
    return false;
   }
   this.sliderChange(newVal)
 }
},

let that = this;
let el = document.getElementsByClassName("el-slider__button-wrapper")[0];
let el2 = document.getElementsByClassName("el-slider__runway")[0];
el2.addEventListener("click", that.sliderChange,false);
el.addEventListener("mousedown", that.openSlider,false);
// 此處用document是因?yàn)椋瑒?dòng)較為隨意時(shí)，mouseup可能不是作用在el上
document.addEventListener("mouseup",that.closeSlider,false);