Posted in Javascript onApril 30, 2019
该组件基于技术栈,主要涉及vue-cli生成的webpack项目脚手架,在此脚手架项目基础上完成的,整合了element-ui开源vue的UI项目
1.vue-cli的安装使用
npm install -g vue-cli
全局安装vue-cli之后,使用该脚手架的相关命令,可快速生成一个比较规范的vue项目结构
vue init <template-name> <project-name>
例子
vue init webpack treeTable
这样一个快速的项目结构生成,如下所示,中间一路回车就可以了,主要是设置了是否支持eslint等等
2.整合element-ui
cd treeTable
进入刚刚生成的项目目录中,安装element-ui
npm i element-ui -S
在main.js中,
import ElementUI from 'element-ui' import 'element-ui/lib/theme-default/index.css' Vue.use(ElementUI)
整合就可以了,具体element-ui更多的使用和操作,可以去官网查看 http://element.eleme.io/#/zh-CN/component/quickstart
我这里主要是利用他的table组件来制作一个树形结构的table。
3.树形table组件制作
在src目录的components目录中,
其中utils下面提供一些需要用的工具类
vue目录下面是组件的源码
index.js是外包入口
相关代码
dataTranslate.js主要是提供了把数组数据转换成树形结构的数据,并且进行相关属性的添加
/* * @Author: sunlandong * @Date: 2017-03-11 12:06:49 * @Last Modified by: sunlandong * @Last Modified time: 2017-03-11 16:30:03 */ import Vue from 'vue' function DataTransfer (data) { if (!(this instanceof DataTransfer)) { return new DataTransfer(data, null, null) } } DataTransfer.treeToArray = function (data, parent, level, expandedAll) { let tmp = [] Array.from(data).forEach(function (record) { if (record._expanded === undefined) { Vue.set(record, '_expanded', expandedAll) } if (parent) { Vue.set(record, '_parent', parent) } let _level = 0 if (level !== undefined && level !== null) { _level = level + 1 } Vue.set(record, '_level', _level) tmp.push(record) if (record.children && record.children.length > 0) { let children = DataTransfer.treeToArray(record.children, record, _level, expandedAll) tmp = tmp.concat(children) } }) return tmp } export default DataTransfer
utils/index.js
/* * @Author: sunlandong * @Date: 2017-03-11 12:06:55 * @Last Modified by: sunlandong * @Last Modified time: 2017-03-11 16:36:56 */ import MSDataTransfer from './dataTranslate.js' export default { MSDataTransfer }
TreeGrid.vue是树形table组件的源码
<template> <el-table :data="data" border style="width: 100%" :row-style="showTr"> <el-table-column v-for="(column, index) in columns" :key="column.dataIndex" :label="column.text"> <template scope="scope"> <span v-if="spaceIconShow(index)" v-for="(space, levelIndex) in scope.row._level" class="ms-tree-space"></span> <button class="button is-outlined is-primary is-small" v-if="toggleIconShow(index,scope.row)" @click="toggle(scope.$index)"> <i v-if="!scope.row._expanded" class="el-icon-caret-right" aria-hidden="true"></i> <i v-if="scope.row._expanded" class="el-icon-caret-bottom" aria-hidden="true"></i> </button> <span v-else-if="index===0" class="ms-tree-space"></span> {{scope.row[column.dataIndex]}} </template> </el-table-column> <el-table-column label="操作" v-if="treeType === 'normal'" width="260"> <template scope="scope"> <button type="button" class="el-button el-button--default el-button--small"> <router-link :to="{ path: requestUrl + 'edit', query: {id: scope.row.Oid} }" tag="span"> 编辑 </router-link> </button> <el-button size="small" type="danger" @click="handleDelete()"> 删除 </el-button> <button type="button" class="el-button el-button--success el-button--small"> <router-link :to="{ path: requestUrl, query: {parentId: scope.row.parentOId} }" tag="span"> 添加下级树结构 </router-link> </button> </template> </el-table-column> </el-table> </template> <script> import Utils from '../utils/index.js' // import Vue from 'vue' export default { name: 'tree-grid', props: { // 该属性是确认父组件传过来的数据是否已经是树形结构了,如果是,则不需要进行树形格式化 treeStructure: { type: Boolean, default: function () { return false } }, // 这是相应的字段展示 columns: { type: Array, default: function () { return [] } }, // 这是数据源 dataSource: { type: Array, default: function () { return [] } }, // 这个作用是根据自己需求来的,比如在操作中涉及相关按钮编辑,删除等,需要向服务端发送请求,则可以把url传过来 requestUrl: { type: String, default: function () { return '' } }, // 这个是是否展示操作列 treeType: { type: String, default: function () { return 'normal' } }, // 是否默认展开所有树 defaultExpandAll: { type: Boolean, default: function () { return false } } }, data () { return {} }, computed: { // 格式化数据源 data: function () { let me = this if (me.treeStructure) { let data = Utils.MSDataTransfer.treeToArray(me.dataSource, null, null, me.defaultExpandAll) console.log(data) return data } return me.dataSource } }, methods: { // 显示行 showTr: function (row, index) { let show = (row._parent ? (row._parent._expanded && row._parent._show) : true) row._show = show return show ? '' : 'display:none;' }, // 展开下级 toggle: function (trIndex) { let me = this let record = me.data[trIndex] record._expanded = !record._expanded }, // 显示层级关系的空格和图标 spaceIconShow (index) { let me = this if (me.treeStructure && index === 0) { return true } return false }, // 点击展开和关闭的时候,图标的切换 toggleIconShow (index, record) { let me = this if (me.treeStructure && index === 0 && record.children && record.children.length > 0) { return true } return false }, handleDelete () { this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', { confirmButtonText: '确定', cancelButtonText: '取消', type: 'error' }).then(() => { this.$message({ type: 'success', message: '删除成功!' }) }).catch(() => { this.$message({ type: 'info', message: '已取消删除' }) }) } } } </script> <style scoped> .ms-tree-space{position: relative; top: 1px; display: inline-block; font-family: 'Glyphicons Halflings'; font-style: normal; font-weight: 400; line-height: 1; width: 18px; height: 14px;} .ms-tree-space::before{content: ""} table td{ line-height: 26px; } </style>
index.js
import TreeGrid from './vue/TreeGrid.vue' module.exports = { TreeGrid }
使用
<template> <div class="hello"> <tree-grid :columns="columns" :tree-structure="true" :data-source="dataSource"></tree-grid> </div> </template> <script> import {TreeGrid} from './treeTable' export default { name: 'hello', data () { return { columns: [ { text: '姓名', dataIndex: 'name' }, { text: '年龄', dataIndex: 'age' }, { text: '性别', dataIndex: 'sex' } ], dataSource: [ { id: 1, parentId: 0, name: '测试1', age: 18, sex: '男', children: [ { id: 2, parentId: 1, name: '测试2', age: 22, sex: '男' } ] }, { id: 3, parentId: 0, name: '测试3', age: 23, sex: '女', children: [ { id: 4, parentId: 3, name: '测试4', age: 22, sex: '男' }, { id: 5, parentId: 3, name: '测试5', age: 25, sex: '男' }, { id: 6, parentId: 3, name: '测试6', age: 26, sex: '女', children: [ { id: 7, parentId: 6, name: '测试7', age: 27, sex: '男' } ] } ] }, { id: 18, parentId: 0, name: '测试8', age: 18, sex: '男' } ] } }, components: { TreeGrid } } </script> <!-- Add "scoped" attribute to limit CSS to this component only --> <style scoped> </style>
效果图
https://github.com/sunlandong/treeTable github上下载源码
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持三水点靠木。
vue2.0基于vue-cli+element-ui制作树形treeTable
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