导入依赖
"element-ui": "2.13.0", "file-saver": "^2.0.5", "xlsx": "^0.18.5", "xlsx-populate": "^1.21.0"
导入EXCEL导出工具类
import { MessageBox } from 'element-ui'
import FileSaver from 'file-saver'
import XLSX from 'xlsx'
export default {
// 提示框
Msgbox(title, txt) {
MessageBox.confirm(txt, title, {
confirmButtonText: '确定',
cancelButtonText: '取消'
}).then(() => {
console.log('取消回调')
})
},
// 导出的方法
xlsxDownload(tHeader, filterVal, list, DfileName) {
console.log('tHeader:', tHeader)
console.log('filterVal:', filterVal)
console.log('list:', list)
const excelName = DfileName + '_' + this.formatDate()
require.ensure([], () => {
const { export_json_to_excel } = require('./vendor/Export2Excel')
const data = this.formatJson(filterVal, list)
export_json_to_excel(tHeader, data, excelName)
})
},
formatJson(filterVal, jsonData) {
return jsonData.map(v => filterVal.map(j => v[j]))
},
// 获取年月日
formatDate() {
const date = new Date()
var myyear = date.getFullYear()
var mymonth = date.getMonth() + 1
var myweekday = date.getDate()
if (mymonth < 10) {
mymonth = '0' + mymonth
}
if (myweekday < 10) {
myweekday = '0' + myweekday
}
return (myyear + mymonth + myweekday)
}
}在main.js中引入
import commonutil from '@common/utils/commonutil/index.js' Vue.prototype.$commonutil = commonutil
按钮样式
<el-button size="mini" style="border-color: #07979C; color: #07979C" @click="showDialog" >导出</el-button>
Data
data() {
return {
exportExcel: false,
checkAll: false,
checkedFields: [],
isIndeterminate: true,
multipleSelection: [],
tableDataAll: [],
exportFields: options.exportFields
}
}staticData.js
export const options = {
channelOptions: [
{
label: 'XXXXXX',
value: '0'
},
{
label: 'XXXXX',
value: '1'
},
{
label: 'XXXXX',
value: '2'
},
{
label: 'XXXXX',
value: '3'
},
{
label: 'XXXXX',
value: '4'
}
],
runTypeOptions: [
{
label: 'XXXX',
value: '0'
},
{
label: 'XXXXX',
value: '1'
}
],
otherTypeOptions: [
{
label: 'XXXXX',
value: '0'
},
{
label: 'XXXX',
value: '1'
}
],
openTypeOptions: [
{
label: 'XXXX',
value: '0'
},
{
label: 'XXXX',
value: '1'
}
],
provincialOptions: [
{
label: '是',
value: '0'
},
{
label: '否',
value: '1'
}
],
networdTypeOptions: [
{
label: 'XXXX',
value: '0'
},
{
label: 'XXXXX',
value: '1'
},
{
label: 'XXXX',
value: '2'
},
{
label: 'XXXX',
value: '3'
},
{
label: 'XXXX',
value: '4'
},
{
label: 'XXXXX',
value: '5'
}
],
{
title: '基础信息',
width: 'width:25%',
propsData: [
{ label: '终端编号', attr: 'terminalId', type: 'input', disable: true },
{ label: '接入时间', attr: 'crtTime', type: 'input', disable: true },
{ label: '所属机构', attr: 'groupName', type: 'select', disable: true },
{ label: '渠道来源', attr: 'channel', type: 'select', disable: false, style: 'width:150px' },
{ label: '启停状态', attr: 'enabled', type: 'select', disable: true },
{ label: '设备型号', attr: 'terminalModuleId', type: 'input', disable: true },
{ label: '运行类型', attr: 'runtype', type: 'select', disable: true }
]
},
{
title: '布点属性',
propsData: [
{ label: '五级行政区划地址', attr: 'areaName', type: 'select', disable: false, style: 'width:400px' },
{ label: '五级行政区划代码', attr: 'areaCode', type: 'input', disable: false },
{ label: '其他标识', attr: 'otherType', type: 'select', disable: false, style: 'width:150px' },
{ label: '详细布点地址', attr: 'stationingId', type: 'input', disable: true, style: 'width:1000px' },
{ label: '经纬度', attr: 'mapX', type: 'input', disable: true, style: 'width:400px' },
{ label: '管理员', attr: 'manager', type: 'input', disable: true, style: 'width:400px' },
{ label: '网络类型', attr: 'runtype', type: 'input', disable: true },
{ label: 'IP地址', attr: 'runtype', type: 'input', disable: true },
{ label: 'MAC地址', attr: 'runtype', type: 'input', disable: true }
]
},
{
title: '其他信息',
propsData: [
{ label: '是否接入省平台', attr: 'ifProvincial', type: 'select', disable: false },
{ label: '省统一设备编号', attr: 'provincialCode', type: 'input', disable: false }
]
}
],
defaultFields: [
'terminalId',
'crtTime',
'groupName',
'channel',
'enabled',
'runtype',
'areaName',
'otherType',
'position',
'ifProvincial',
'provincialCode'
],
exportFields: [
{ label: '编号', value: 'terminalId' },
{ label: '时间, value: 'crtTime' },
{ label: '机构', value: 'groupName' },
{ label: '来源', value: 'channel' },
{ label: '启停状态', value: 'enabled' },
{ label: '类型', value: 'runtype' },
{ label: '型号', value: 'terminalModuleId' },
{ label: '行政区划地址', value: 'areaName' },
{ label: '行政区划代码', value: 'areaCode' },
{ label: '标识', value: 'otherType' },
{ label: '地址', value: 'position' },
{ label: '经纬度', value: 'mapPoint' },
{ label: '管理员', value: 'manager' },
{ label: '网络类型', value: 'netword' },
{ label: 'IP地址', value: 'ipAddr' },
{ label: 'MAC地址', value: 'macAddr' },
{ label: '是否接入', value: 'ifProvincial' },
{ label: '设备编号', value: 'provincialCode' }
]
}选择列
<el-table
:data="tableData"
border
style="flex: 1; width: 100%"
@selection-change="handleSelectionChange"
>
按钮点击事件
showDialog() {
this.exportExcel = true //用于弹出框的 :visible.sync 属性,为true时显示
this.checkedFields = [...options.defaultFields] //从js配置文件中获取默认选择项的value
this.isIndeterminate = true //用于多选框的全选按钮 indeterminate 属性用以表示 checkbox 的不确定状态，一般用于实现全选的效果
}弹出框
<el-dialog
title="请勾选需要导出的字段"
:visible.sync="exportExcel" //为true则弹出，为false则隐藏
custom-class="dialog-class"
>
//checkAll为全选按钮的绑定对象
<el-checkbox v-model="checkAll" :indeterminate="isIndeterminate" @change="handleCheckAllChange">全选</el-checkbox>
<el-divider />
//checkedFields为多选框的绑定对象，当选中后会调用handleCheckedFields方法将value传入
//checkedFields中
//exportFields为默认选中的label跟value
<el-checkbox-group v-model="checkedFields" @change="handleCheckedFields">
<el-checkbox v-for="(item,index) in exportFields" :key="index" :label="item.value" style="margin-bottom: 30px;">{{ item.label }}</el-checkbox>
</el-checkbox-group>
<div style="display: flex;justify-content: center;padding-top: 100px;">
<el-button
style="background-color: #1296DB; color: white"
@click="downExcel"
>导出</el-button>
</div>
</el-dialog>
方法
//列选择事件
handleSelectionChange(val) {
this.multipleSelection = val
},
//全选按钮点击事件
handleCheckAllChange(val) {
if (val) {
//如果true，则将所有的字段跟value传入checkBox多选框的v-model(checkedFields)中
this.exportFields.forEach(item => {
this.checkedFields.push(item.value)
})
} else {
//false则全不选，清空checkedFields
this.checkedFields = []
}
//isIndeterminate为false则全选按钮变白
this.isIndeterminate = false
}
//多选框选中事件
handleCheckedFields(value) {
//value为checkedFields集合
const checkedCount = value.length
console.log(value)
//如果checkedCount 选中的数量等于exportFields的长度，表示全选，所以checkAll为true全选按钮需要选中
this.checkAll = checkedCount === this.exportFields.length
this.isIndeterminate = checkedCount > 0 && checkedCount < this.exportFields.length
}
//导出
downExcel() {
if (this.checkedFields.length > 0) {
//选择项大于0，表示有字段被选中
const header = [] //列头
const fields = [] //值
const title = 'XXX标题'
this.exportFields.filter(r => {
if (this.checkedFields.includes(r.value)) {
//将选择项跟staticData.js中的配置项比较，相同则表示该字段需要导出
header.push(r.label)
fields.push(r.value)
}
})
//此处为列选择项，比如只需要导出10列，那么可以在列中只选择10条
if (this.multipleSelection.length > 0) {
const list = this.changeData(this.multipleSelection, header, fields)
this.$commonutil.xlsxDownload(header, fields, list, title)
} else {
//为0则表示全部都需要导出
const list = this.changeData(this.tableDataAll, header, fields)
this.$commonutil.xlsxDownload(header, fields, list, title)
}
} else {
this.$message({
message: '请勾选需要导出的字段',
type: 'warning'
})
}
},
//该方法是为了将对象中一些用数字来表示状态的字段值转换为中文
changeData(list, header, fields) {
const source = JSON.stringify(list)
const data = JSON.parse(source)
data.forEach(item => {
if (item.channel) {
item.channel = this.channelOptions.filter(r => r.id === item.channel).length > 0 ?
this.channelOptions.filter(r => r.id === item.channel)[0].channelName :
''
// item.channel = this.channelOptions[item.channel].channelName
}
//遍历所有导出的数据，比如enabled 0 表示不可用，1表示可用，那么就要在这里将0转换成为不可用。。。。。
if (item.enabled) {
item.enabled = this.openTypeOptions[item.enabled].label
}
if (item.runtype) {
item.runtype = this.runTypeOptions[item.runtype].label
}
if (item.otherType) {
item.otherType = this.otherTypeOptions[item.otherType].label
}
if (item.ifProvincial) {
item.ifProvincial = options.provincialOptions[item.ifProvincial].label
}
if (item.netword) {
const temp = item.netword.split(',')
temp.forEach((e, i) => {
if (i === 0) {
item.netword = options.networdTypeOptions[e].label
} else {
item.netword = item.netword.concat(',', options.networdTypeOptions[e].label)
}
})
}
//这里将一串地址拆分成5个再保存
if (item.areaCode && fields.includes('areaName')) {
//得出areaName（xxxx省XXX市xxx区XXXX镇街XXX村居）一个标题拆分成'省', '市', '区', '镇街', '村居'五个标题再插入回数组
const index = fields.indexOf('areaName')
const label = ['省', '市', '区', '镇街', '村居']
//将areaName的value值也拆分成5个
const field = ['p', 'c', 'a', 'd', 'v']
header.splice(index, 1)
fields.splice(index, 1)
header.splice.apply(header, [index, 0].concat(label))
fields.splice.apply(fields, [index, 0].concat(field))
const arr = this.getTreeNode(this.areaOptions, data => data.value === item.areaCode, 'label')
if (arr.length > 0) {
arr.forEach((a, i) => {
item[field[i]] = a
})
}
}
})
return data
},
//获取树形
getTreeNode(tree, func, field = '', nodes = []) {
if (!tree) return []
for (const data of tree) {
field === '' ? nodes.push(tree) : nodes.push(data[field])
if (func(data)) return nodes
if (data.children) {
const childs = this.getTreeNode(data.children, func, field, nodes)
if (childs.length) return childs
}
nodes.pop()
}
return []
}到此这篇关于Vue实现自定义字段导出EXCEL的示例代码的文章就介绍到这了,更多相关vue自定义字段导出excel内容请搜索阿兔在线工具以前的文章或继续浏览下面的相关文章希望大家以后多多支持阿兔在线工具！
