fix: 获取树形数据公共方法

src/views/warningHome/index.vue

@@ -585,31 +585,7 @@ onUnmounted(() => {
 const handleDistributionLayer = async () => {
     // 默认选中并展开第一个"果类"节点，在地图上显示对应分布图层
     const firstCategory = treeActionData.value[0];
-    if (firstCategory) {
-        // 递归查找最后一层的节点（没有子节点的叶子节点）
-        const getLastLevelNodes = (node) => {
-            const lastLevelNodes = [];
-            if ((!node.items || node.items.length === 0) && (!node.children || node.children.length === 0)) {
-                lastLevelNodes.push(node);
-            } else {
-                const children = node.items || node.children || [];
-                children.forEach((child) => {
-                    lastLevelNodes.push(...getLastLevelNodes(child));
-                });
-            }
-            return lastLevelNodes;
-        };
-        
-        const lastLevelNodes = getLastLevelNodes(firstCategory);
-        const lastLevelIds = lastLevelNodes.map((n) => n.id);
-        
-        // 并发请求所有数据
-        const promises = lastLevelIds.map((id) => getDistributionData(id));
-        const results = await Promise.all(promises);
-        const finalMapData = results.flat();
-        
-        distributionLayer.initData(finalMapData);
-    }
+    getCommonMapData(firstCategory);
 };
 
 // 作物分布树形结构默认展开与默认选中
@@ -624,31 +600,7 @@ const handleDistributionTreeDefault = () => {
 // 物候期分布默认选中并展开第一个节点，在地图上显示对应分布图层
 const handlePhenologyLayer = async () => {
     const firstCategory = treeActionData.value[0].children[0];
-    if (firstCategory) {
-        // 递归查找最后一层的节点（没有子节点的叶子节点）
-        const getLastLevelNodes = (node) => {
-            const lastLevelNodes = [];
-            if ((!node.items || node.items.length === 0) && (!node.children || node.children.length === 0)) {
-                lastLevelNodes.push(node);
-            } else {
-                const children = node.items || node.children || [];
-                children.forEach((child) => {
-                    lastLevelNodes.push(...getLastLevelNodes(child));
-                });
-            }
-            return lastLevelNodes;
-        };
-        
-        const lastLevelNodes = getLastLevelNodes(firstCategory);
-        const lastLevelIds = lastLevelNodes.map((n) => n.id);
-        
-        // 并发请求所有数据
-        const promises = lastLevelIds.map((id) => getDistributionData(id));
-        const results = await Promise.all(promises);
-        const finalMapData = results.flat();
-        
-        distributionLayer.initData(finalMapData);
-    }
+    getCommonMapData(firstCategory);
 };
 
 // 物候期分布树形结构默认展开与默认选中
@@ -663,6 +615,19 @@ const handlePhenologyTreeDefault = () => {
 // 预警分布默认选中并展开第一个节点，在地图上显示对应分布图层
 const handleAlarmLayer = async () => {
     const firstCategory = treeActionData.value[0].children[0];
+    getCommonMapData(firstCategory);
+};
+
+// 预警分布树形结构默认展开与默认选中
+const handleAlarmTreeDefault = () => {
+    defaultCheckedKeys.value = [
+        treeActionData.value[0]?.children[0]?.id
+    ];
+    defaultExpandedKeys.value = [treeActionData.value[0]?.id];
+};
+
+// 处理公共获取最后一级的节点数据
+const getCommonMapData = async (firstCategory) => {
     if (firstCategory) {
         // 递归查找最后一层的节点（没有子节点的叶子节点）
         const getLastLevelNodes = (node) => {
@@ -688,15 +653,7 @@ const handleAlarmLayer = async () => {
         
         distributionLayer.initData(finalMapData);
     }
-};
-
-// 预警分布树形结构默认展开与默认选中
-const handleAlarmTreeDefault = () => {
-    defaultCheckedKeys.value = [
-        treeActionData.value[0]?.children[0]?.id
-    ];
-    defaultExpandedKeys.value = [treeActionData.value[0]?.id];
-};
+}
 
 // ai与地图交互
 const hideChatMapLayer = ref(true);