update：地球坐标系案例代码结构的修改

src/examples/sceneSet/earthCoordinate/earthCoordinate-function.js

-export function addearthCoordinate() {
-    const script = document.createElement('script');
-    script.src = 'https://cesium.com/downloads/cesiumjs/releases/1.99/Build/Cesium/Cesium.js';
-    script.onload = () => {
-        window.Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3Njg4ZWU5Yi1iZDhiLTRhYmUtOTRiYS04YjM5NmUwNjVmMDMiLCJpZCI6MjI3MzQ3LCJpYXQiOjE3MjA1MjA4Mjh9.E5XW4LnwgfVAaBC-znaYr61m4yK0-j2qEQhi9qwFFPE'
+export function addearthCoordinate(viewer) {
+    const scene = viewer.scene;
+    // 获取地球globe实例
+    const globe = scene.globe;
+    const baseLayer = viewer.scene.imageryLayers.get(0);
+    
+    scene.screenSpaceCameraController.enableCollisionDetection = false;
+    
+    function reset() {
+        globe.showGroundAtmosphere = true;
+        globe.baseColor = Cesium.Color.BLUE;
+        globe.translucency.enabled = false;
+        globe.translucency.frontFaceAlpha = 1.0;
+        globe.undergroundColor = Cesium.Color.BLACK;
+        globe.translucency.rectangle = undefined;
+        baseLayer.colorToAlpha = undefined;
+    }
+    
+    function useTranslucencyMask() {
+        globe.showGroundAtmosphere = false;
+        globe.baseColor = Cesium.Color.TRANSPARENT;
+        globe.translucency.enabled = true;
+        globe.undergroundColor = undefined;
+        baseLayer.colorToAlpha = new Cesium.Color(0.0, 0.016, 0.059);
+        baseLayer.colorToAlphaThreshold = 0.2;
+    }
+    
+    reset();
+    useTranslucencyMask();
 
-        const viewer = new window.Cesium.Viewer('cesiumContainer', {
-            infoBox: false,
-            orderIndependentTranslucency: false,
-        });
+    // 创建一个以地球球心为起点的坐标系
+    const center = new Cesium.Cartesian3(0, 0, 0); // 地球球心的坐标
+    const modelMatrix = Cesium.Transforms.eastNorthUpToFixedFrame(center);
 
-        const scene = viewer.scene;
-        // 获取地球globe实例
-        const globe = scene.globe;
-        const baseLayer = viewer.scene.imageryLayers.get(0);
-        
-        scene.screenSpaceCameraController.enableCollisionDetection = false;
-        
-        function reset() {
-            globe.showGroundAtmosphere = true;
-            globe.baseColor = Cesium.Color.BLUE;
-            globe.translucency.enabled = false;
-            globe.translucency.frontFaceAlpha = 1.0;
-            globe.undergroundColor = Cesium.Color.BLACK;
-            globe.translucency.rectangle = undefined;
-            baseLayer.colorToAlpha = undefined;
-        }
-        
-        function useTranslucencyMask() {
-            globe.showGroundAtmosphere = false;
-            globe.baseColor = Cesium.Color.TRANSPARENT;
-            globe.translucency.enabled = true;
-            globe.undergroundColor = undefined;
-            baseLayer.colorToAlpha = new Cesium.Color(0.0, 0.016, 0.059);
-            baseLayer.colorToAlphaThreshold = 0.2;
-        }
-        
-        reset();
-        useTranslucencyMask();
-
-        // 创建一个以地球球心为起点的坐标系
-        const center = new Cesium.Cartesian3(0, 0, 0); // 地球球心的坐标
-        const modelMatrix = Cesium.Transforms.eastNorthUpToFixedFrame(center);
-
-        // 添加坐标轴图元
-        viewer.scene.primitives.add(new Cesium.DebugModelMatrixPrimitive({
-            modelMatrix: modelMatrix,
-            length: 10000000, // 坐标轴的长度
-            width: 2.0 // 坐标轴的宽度
-        }));
-
-    };
-    document.head.appendChild(script);
-
-    const link = document.createElement('link');
-    link.rel = 'stylesheet';
-    link.href = 'https://cesium.com/downloads/cesiumjs/releases/1.119/Build/Cesium/Widgets/widgets.css';
-    document.head.appendChild(link);
+    // 添加坐标轴图元
+    viewer.scene.primitives.add(new Cesium.DebugModelMatrixPrimitive({
+        modelMatrix: modelMatrix,
+        length: 10000000, // 坐标轴的长度
+        width: 2.0 // 坐标轴的宽度
+    }));
 }

src/examples/sceneSet/earthCoordinate/earthCoordinate.vue

 <template>
     <div id="cesiumContainer" class="cesium-container"></div>
 </template>
+
 <script setup>
 import { onMounted } from 'vue';
 import { addearthCoordinate } from './function';
+
+let viewer;
+
 onMounted(() => {
-    addearthCoordinate()
+    const script = document.createElement('script');
+    script.src = 'https://cesium.com/downloads/cesiumjs/releases/1.99/Build/Cesium/Cesium.js';
+    script.onload = () => {
+        window.Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3Njg4ZWU5Yi1iZDhiLTRhYmUtOTRiYS04YjM5NmUwNjVmMDMiLCJpZCI6MjI3MzQ3LCJpYXQiOjE3MjA1MjA4Mjh9.E5XW4LnwgfVAaBC-znaYr61m4yK0-j2qEQhi9qwFFPE'
+
+        viewer = new window.Cesium.Viewer('cesiumContainer', {
+            infoBox: false,
+            orderIndependentTranslucency: false,
+        });
+
+        addearthCoordinate(viewer)
+
+    };
+    document.head.appendChild(script);
+    const link = document.createElement('link');
+    link.rel = 'stylesheet';
+    link.href = 'https://cesium.com/downloads/cesiumjs/releases/1.119/Build/Cesium/Widgets/widgets.css';
+    document.head.appendChild(link);
 });
 </script>
 
 <style>
 .cesium-container {
-width: 100%;
-height: 100vh;
+    width: 100%;
+    height: 100vh;
 }
 </style>
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