From 876ecf21c713ce333e676f9b81c57de4ecc983d3 Mon Sep 17 00:00:00 2001
From: fungleo <web@fengcms.com>
Date: Tue, 04 Aug 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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