假设路径节点以index列表形式给定，画出路径

src/App.vue

@@ -6,7 +6,16 @@
 <script>
 import * as d3 from "d3";
 import rawWholeData from "../input-data/data.js";
-import rawPathData from "../input-data/mock-path.js";
+import rawPathDataLandMark from "../input-data/mock-path.js";
+
+let rawPathData = {
+  data: [
+  ]
+}
+for (let index = 0; index < rawPathDataLandMark.length; index++) {
+  const element = rawWholeData.data[rawPathDataLandMark[index] - 1];
+  rawPathData.data.push(element)
+}
 
 // 原始数据处理成二维数组
 let wholeInputPointArray = rawWholeData.data.map((eachString) => {