update：线案例的添加

src/examples/CodeMap.js

 import vueCodePoint from '@/examples/point.vue?raw'
+import vueCodeLine from '@/examples/line.vue?raw'
 import vueCodeMultiLine from '@/examples/multiLine.vue?raw'
 import vueCodePlane from '@/examples/plane.vue?raw'
 
@@ -9,7 +10,8 @@ import vueCodeWaterSurface from '@/examples/waterSurface.vue?raw'
 
 const vueCodeMap = {
     点: vueCodePoint,
-    多线: vueCodeMultiLine,
+    线: vueCodeLine,
+    多颜色线: vueCodeMultiLine,
     多面: vueCodePlane,
 
     雨: vueCodeRain,

src/examples/FunctionMap.js

 import functionCodePoint from '@/examples/point-function.js?raw'
+import functionCodeLine from '@/examples/line-function.js?raw'
 import functionCodeMultiLine from '@/examples/multiLine-function.js?raw'
 import functionCodePlane from '@/examples/plane-function.js?raw'
 
@@ -9,7 +10,8 @@ import functionCodeWaterSurface from '@/examples/waterSurface-function.js?raw'
 
 const functionCodeMap = {
     点: functionCodePoint,
-    多线: functionCodeMultiLine,
+    线: functionCodeLine,
+    多颜色线: functionCodeMultiLine,
     多面: functionCodePlane,
 
     雨: functionCodeRain,

src/examples/line-function.js

+export function addLine() {
+    const script = document.createElement('script');
+    script.src = 'https://cesium.com/downloads/cesiumjs/releases/1.119/Build/Cesium/Cesium.js';
+    script.onload = () => {
+        window.Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3Njg4ZWU5Yi1iZDhiLTRhYmUtOTRiYS04YjM5NmUwNjVmMDMiLCJpZCI6MjI3MzQ3LCJpYXQiOjE3MjA1MjA4Mjh9.E5XW4LnwgfVAaBC-znaYr61m4yK0-j2qEQhi9qwFFPE'
+
+        const viewer = new window.Cesium.Viewer('cesiumContainer', {
+            infoBox: false,
+        });
+
+        const line = viewer.entities.add({
+            polyline: {
+                positions: Cesium.Cartesian3.fromDegreesArray([120, 30, 121, 30]),  // 线的起始和结束经纬度
+                material: Cesium.Color.YELLOW, // 线的颜色
+                width: 5
+            }
+        })
+        viewer.zoomTo(line)
+    };
+    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);
+}

src/examples/line.vue

+<template>
+    <div id="cesiumContainer" class="cesium-container"></div>
+</template>
+<script setup>
+import { onMounted } from 'vue';
+import { addLine } from './function';
+onMounted(() => {
+    addLine()
+});
+</script>
+
+<style>
+.cesium-container {
+width: 100%;
+height: 100vh;
+}
+</style>
\ No newline at end of file

src/views/ElementMap.js

@@ -5,10 +5,10 @@ export const elementGraphicMap = {
     },
     线: {
         title: '线',
-        pngUrl: '/src/assets/Point.png'
+        pngUrl: '/src/assets/Line.png'
     },
-    多线: {
-        title: '多线',
+    多颜色线: {
+        title: '多颜色线',
         pngUrl: '/src/assets/MultiLine.png'
     },
     多面: {