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 | 55 ++++++++++++++++++++++++++++++++++++++++++++++++------- 1 files changed, 48 insertions(+), 7 deletions(-) diff --git a/ruoyi-ui/src/utils/ruoyi.js b/ruoyi-ui/src/utils/ruoyi.js index 069a1ae..7561353 100644 --- a/ruoyi-ui/src/utils/ruoyi.js +++ b/ruoyi-ui/src/utils/ruoyi.js @@ -17,6 +17,8 @@ } else { if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) { time = parseInt(time) + } else if (typeof time === 'string') { + time = time.replace(new RegExp(/-/gm), '/'); } if ((typeof time === 'number') && (time.toString().length === 10)) { time = time * 1000 @@ -66,13 +68,27 @@ // 回显数据字典 export function selectDictLabel(datas, value) { var actions = []; - Object.keys(datas).map((key) => { + Object.keys(datas).some((key) => { if (datas[key].dictValue == ('' + value)) { actions.push(datas[key].dictLabel); - return false; + return true; } }) 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 @@ -96,8 +112,33 @@ // 转换字符串,undefined,null等转化为"" export function praseStrEmpty(str) { - if (!str || str == "undefined" || str == "null") { - return ""; - } - return str; -} \ No newline at end of file + if (!str || str == "undefined" || str == "null") { + 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 = '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 => { + 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; +} + -- Gitblit v1.9.2