From 876ecf21c713ce333e676f9b81c57de4ecc983d3 Mon Sep 17 00:00:00 2001
From: fungleo <web@fengcms.com>
Date: 星期二, 04 八月 2020 14:11:02 +0800
Subject: [PATCH] 优化构建树形数据JS方法

---
 ruoyi-ui/src/utils/ruoyi.js |   50 ++++++++++++++++++++++++++++++--------------------
 1 files changed, 30 insertions(+), 20 deletions(-)

diff --git a/ruoyi-ui/src/utils/ruoyi.js b/ruoyi-ui/src/utils/ruoyi.js
index decad41..7561353 100644
--- a/ruoyi-ui/src/utils/ruoyi.js
+++ b/ruoyi-ui/src/utils/ruoyi.js
@@ -77,6 +77,20 @@
 	return actions.join('');
 }
 
+// 回显数据字典(字符串数组)
+export function selectDictLabels (datas = {}, value = '', separator = ',') {
+  const actions = []
+  const temp = value.split(separator)
+  temp.forEach((_, index) => {
+    Object.keys(datas).forEach(key => {
+      if (datas[key].dictValue === temp[index].toString()) {
+        actions.push(datas[key].dictLabel)
+      }
+    })
+  })
+  return actions.join(separator)
+}
+
 // 通用下载方法
 export function download(fileName) {
 	window.location.href = baseURL + "/common/download?fileName=" + encodeURI(fileName) + "&delete=" + true;
@@ -98,10 +112,10 @@
 
 // 转换字符串,undefined,null等转化为""
 export function praseStrEmpty(str) {
-    if (!str || str == "undefined" || str == "null") {
-        return "";
-    }
-    return str;
+	if (!str || str == "undefined" || str == "null") {
+		return "";
+	}
+	return str;
 }
 
 /**
@@ -112,23 +126,19 @@
  * @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
+export function handleTree(data = [], id = 'id', parentId = 'parentId', children = 'children', 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;
+	const treeData = cloneData.filter(father => {
+		const branchArr = cloneData.filter(child => {
+			//返回每一项的子级数组
+			return father[id] === child[parentId]
+		});
+		branchArr.length && (father.children = branchArr);
+		//返回第一层
+		return father[parentId] === rootId;
 	});
-	return treeData != '' ? treeData : data;
-  }
-  
+	return treeData !== '' ? treeData : data;
+}
+

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