vue导出excel表格实现分页功能
时间: 2023-07-12 07:17:09 浏览: 213
要实现Vue导出Excel表格并且带分页功能,可以使用js-xlsx和file-saver这两个库来实现。以下是具体的实现步骤:
1. 安装js-xlsx和file-saver库
可以使用npm或者yarn来安装这两个库:
```
npm install xlsx file-saver --save
```
2. 创建一个Excel导出按钮
在Vue组件中,可以创建一个按钮来触发Excel导出事件:
```
<template>
<div>
<button @click="exportExcel">导出Excel</button>
</div>
</template>
<script>
import XLSX from 'xlsx'
import FileSaver from 'file-saver'
export default {
data () {
return {
// 分页相关数据
currentPage: 1,
pageSize: 10,
total: 100,
tableData: [
// 表格数据
]
}
},
methods: {
exportExcel () {
// 导出Excel逻辑
}
}
}
</script>
```
3. 编写导出Excel逻辑
在exportExcel方法中,可以使用js-xlsx和file-saver库来生成Excel文件并下载到本地:
```
exportExcel () {
const wb = XLSX.utils.book_new()
// 构造表格数据
const sheetData = this.tableData.slice((this.currentPage - 1) * this.pageSize, this.currentPage * this.pageSize)
// 构造表格头
const headers = ['列1', '列2', '列3']
const data = [headers, ...sheetData.map(row => [row.col1, row.col2, row.col3])]
const ws = XLSX.utils.aoa_to_sheet(data)
XLSX.utils.book_append_sheet(wb, ws, 'Sheet1')
// 生成Excel文件并下载
const excelFileName = `表格数据_${this.currentPage}.xlsx`
const wbout = XLSX.write(wb, { bookType: 'xlsx', type: 'binary' })
const blob = new Blob([s2ab(wbout)], { type: 'application/octet-stream' })
FileSaver.saveAs(blob, excelFileName)
}
```
注意上面的s2ab函数,这是一个将字符串转为ArrayBuffer的函数,可以在导出Excel代码之前定义:
```
function s2ab (s) {
const buf = new ArrayBuffer(s.length)
const view = new Uint8Array(buf)
for (let i = 0; i < s.length; i++) {
view[i] = s.charCodeAt(i) & 0xFF
}
return buf
}
```
4. 实现分页功能
最后,还需要实现分页功能。可以使用element-ui的分页组件来实现:
```
<template>
<div>
<button @click="exportExcel">导出Excel</button>
<el-pagination
v-model="currentPage"
:page-size="pageSize"
:total="total"
@current-change="handlePageChange"
></el-pagination>
</div>
</template>
<script>
import XLSX from 'xlsx'
import FileSaver from 'file-saver'
export default {
data () {
return {
currentPage: 1,
pageSize: 10,
total: 100,
tableData: [
// 表格数据
]
}
},
methods: {
exportExcel () {
const wb = XLSX.utils.book_new()
const sheetData = this.tableData.slice((this.currentPage - 1) * this.pageSize, this.currentPage * this.pageSize)
const headers = ['列1', '列2', '列3']
const data = [headers, ...sheetData.map(row => [row.col1, row.col2, row.col3])]
const ws = XLSX.utils.aoa_to_sheet(data)
XLSX.utils.book_append_sheet(wb, ws, 'Sheet1')
const excelFileName = `表格数据_${this.currentPage}.xlsx`
const wbout = XLSX.write(wb, { bookType: 'xlsx', type: 'binary' })
const blob = new Blob([s2ab(wbout)], { type: 'application/octet-stream' })
FileSaver.saveAs(blob, excelFileName)
},
handlePageChange (value) {
this.currentPage = value
}
}
}
</script>
```
在handlePageChange方法中,可以更新当前页码,并重新计算需要导出的表格数据。这样就可以实现分页导出Excel表格了。
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