增加标注图片地址404判断

src/Obj/Base/BillboardObject/index.js

@@ -231,7 +231,20 @@ class BillboardObject extends Base {
       that._superGif = superGif
       that._superGif.id = id  // 自定义id，用于判断gif实例是否改变
 
-      superGif.load(function () {
+      superGif.load(function (status) {
+        if (status == 404) {
+          canvas = document.createElement('canvas')
+          canvas.width = 0
+          canvas.height = 0
+          billboardH = 0
+          if (that.entity) {
+            that.entity.billboard.imgWidth = 0
+            that.entity.billboard.imgHeight = 0
+            that.entity.billboard.image = canvas
+            addCluster(that.sdk, that.entity)
+          }
+          return
+        }
         if (that._superGif.id != id) {
           return
         }
@@ -286,6 +299,17 @@ class BillboardObject extends Base {
           addCluster(that.sdk, that.entity)
         }
       }
+      image.onerror = function (err) {
+        canvas.width = 0
+        canvas.height = 0
+        billboardH = 0
+        if (that.entity) {
+          that.entity.billboard.imgWidth = 0
+          that.entity.billboard.imgHeight = 0
+          that.entity.billboard.image = canvas
+          addCluster(that.sdk, that.entity)
+        }
+      };
     }
 
     that.entity = new Cesium.Entity({
@@ -729,7 +753,24 @@ class BillboardObject extends Base {
       let billboardH = 36
       let index = 0
       _this._frameImages = []
-      superGif.load(function () {
+      superGif.load(function (status) {
+        if (status == 404) {
+          canvas = document.createElement('canvas')
+          canvas.width = 0
+          canvas.height = 0
+          billboardH = 0
+          _this.entity.billboard.imgWidth = 0
+          _this.entity.billboard.imgHeight = 0
+          _this.entity && (_this.entity.billboard.image = canvas)
+          _this.entity.billboard.height = new Cesium.CallbackProperty(function () {
+            return 0
+          }, false)
+          _this.entity.label.pixelOffset = new Cesium.CallbackProperty(function () {
+            return new Cesium.Cartesian2(0, 0)
+          }, false)
+          billboardH = height * (31 / width)
+          return
+        }
         if (_this._superGif.id != id) {
           return
         }
@@ -802,6 +843,21 @@ class BillboardObject extends Base {
         }, false)
         billboardH = height * (31 / width)
       }
+      image.onerror = function (err) {
+        canvas.width = 0
+        canvas.height = 0
+        billboardH = 0
+        _this.entity.billboard.imgWidth = 0
+        _this.entity.billboard.imgHeight = 0
+        _this.entity && (_this.entity.billboard.image = canvas)
+        _this.entity.billboard.height = new Cesium.CallbackProperty(function () {
+          return 0
+        }, false)
+        _this.entity.label.pixelOffset = new Cesium.CallbackProperty(function () {
+          return new Cesium.Cartesian2(0, 0)
+        }, false)
+        billboardH = height * (31 / width)
+      };
     }
   }
 
@@ -2077,9 +2133,9 @@ class BillboardObject extends Base {
       // )
       this.entity.label.pixelOffset = new Cesium.CallbackProperty(function () {
         if (_this.options.billboard.show) {
-          let billboardH =
+          let billboardH = _this.entity.billboard.imgHeight ?
             _this.entity.billboard.imgHeight *
-            (31 / _this.entity.billboard.imgWidth)
+            (31 / _this.entity.billboard.imgWidth) : 0
           return new Cesium.Cartesian2(
             0,
             -billboardH * _this.options.billboard.scale -
@@ -2224,7 +2280,7 @@ class BillboardObject extends Base {
         .value
     ) {
       this.options.attribute.vr.content.push({
-        name: '全景图' ,
+        name: '全景图',
         url: this._DialogObject._element.content.getElementsByClassName(
           'vr_add'
         )[0].value
@@ -2240,7 +2296,7 @@ class BillboardObject extends Base {
 
   addAttributeRr(vr) {
     this.options.attribute.vr.content.push({
-      name: '全景图' ,
+      name: '全景图',
       url: vr
     })
     this.attributeVr = this.options.attribute.vr.content