添加关照、全局等高线、修改图层问题

src/renderer/api/gisAPI.js

@@ -31,19 +31,8 @@ export function addSource(data) {
   if (!data.tree_index) {
     let nodes = window.treeObj.getSelectedNodes();
     console.log("nodes", nodes);
-
     // 获取最大tree_index的辅助函数
-    const getMaxTreeIndex = (items) => {
-      let maxIndex = 0;
-      if (items && items.length > 0) {
-        items.forEach((item) => {
-          if (item.tree_index > maxIndex) {
-            maxIndex = item.tree_index;
-          }
-        });
-      }
-      return maxIndex;
-    };
+     const getMaxTreeIndex = (items = []) =>  items.reduce((max, item) => Math.max(max, item.tree_index || 0), 0);
 
     if (nodes.length > 0) {
       // 检查当前节点是否有子节点
@@ -59,18 +48,29 @@ export function addSource(data) {
           data.tree_index = getMaxTreeIndex(parentNode.children) + 1;
         } else {
           // 没有父节点，获取根节点列表
-          data.tree_index = window.treeObj.getNodes().length + 1;
+          let nodes = window.treeObj.getNodes();
+          if (nodes.length > 0) {
+            data.tree_index = getMaxTreeIndex(nodes) + 1;
+          }else{
+            data.tree_index = nodes.length+ 1;
+          }
         }
       }
     } else {
       // 没有选中节点，获取根节点列表
       // 获取根节点列表,处理可能为undefined的情况
       const nodes = window.treeObj.getNodes() || [];
-      data.tree_index = nodes.length + 1;
+      console.log("nodes", nodes);
+      let max
+      if (nodes.length > 0) {
+        max = getMaxTreeIndex(nodes)
+      }else{
+        max = nodes.length
+      }
+      data.tree_index = max + 1;
     }
   }
   console.log("addSource", data);
-
   return request({
     url: "/api/v1/source/add",
     method: "post",