若依 2.1

ruoyi-ui/src/utils/ruoyi.js

@@ -100,4 +100,33 @@ export function praseStrEmpty(str) {
         return "";
     }
     return str;
-}
+}
+
+/**
+ * 构造树型结构数据
+ * @param {*} data 数据源
+ * @param {*} id id字段 默认 'id'
+ * @param {*} parentId 父节点字段 默认 'parentId'
+ * @param {*} children 孩子节点字段 默认 'children'
+ * @param {*} rootId 根Id 默认 0
+ */
+export function handleTree(data, id, parentId, children, rootId) {
+	id = id || 'id'
+	parentId = parentId || 'parentId'
+	children = children || 'children'
+	rootId = rootId || 0
+	//对源数据深度克隆
+	const cloneData = JSON.parse(JSON.stringify(data))
+	//循环所有项
+	const treeData =  cloneData.filter(father => {
+	  let branchArr = cloneData.filter(child => {
+		//返回每一项的子级数组
+		return father[id] === child[parentId]
+	  });
+	  branchArr.length > 0 ? father.children = branchArr : '';
+	  //返回第一层
+	  return father[parentId] === rootId;
+	});
+	return treeData != '' ? treeData : data;
+  }
+