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export default {
     name: "draw",
     data(){      // 定義變量source        
       return {
         source:new ol.source.Vector({wrapX: false}),

       }
     },
    props:{ //接收父組件傳遞過來的參數(shù)
      map:{
        //type:String
      },

    },

mounted(){   //頁面初始化方法
    if (map==map){

    }
    var vector = new ol.layer.Vector({
      source: this.source
    });
    this.map.addLayer(vector);

  },
  watch: {   //監(jiān)聽值變化：map值
    map:function () {
      console.log('3333'+this.map);
      //return this.map
      console.log('444444'+this.map);

      var vector = new ol.layer.Vector({
        source: this.source
      });
      this.map.addLayer(vector);
    }
  },
  methods:{   //監(jiān)聽方法  click事件等，執(zhí)行drawFeatures方法
       drawFeatures:function(drawType){}
}