add:upload excel

This commit is contained in:
Pan 2017-09-11 14:43:12 +08:00
parent f0afbf7ea5
commit ffec6b6df7
5 changed files with 111 additions and 1 deletions

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@ -33,6 +33,7 @@
- 401, 404 error page
- Error log
- Exporting to Excel
- Upload Excel
- Table example
- Interactive table example
- Drag & drop table example

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@ -63,6 +63,7 @@
- 401404错误页面
- 错误日志
- 导出excel
- 前端可视化excel
- table example
- 动态table example
- 拖拽table example

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@ -0,0 +1,78 @@
<template>
<div>
<el-button :loading="loading" type="primary" @click="handleUpload">select excel file</el-button>
<input id="excel-upload-input" type="file" accept=".xlsx, .xls" class="c-hide" @change="handkeFileChange">
</div>
</template>
<script>
import XLSX from 'xlsx'
export default {
data() {
return {
loading: false,
excelData: {
header: null,
results: null
}
}
},
methods: {
generateDate({ header, results }) {
this.excelData.header = header
this.excelData.results = results
this.loading = false
this.$emit('on-selected-file', this.excelData)
},
handleUpload() {
document.getElementById('excel-upload-input').click()
},
handkeFileChange(e) {
this.loading = true
const files = e.target.files
const itemFile = files[0] // only use files[0]
const reader = new FileReader()
reader.onload = e => {
const data = e.target.result
const fixedData = this.fixdata(data)
const workbook = XLSX.read(btoa(fixedData), { type: 'base64' })
const firstSheetName = workbook.SheetNames[0]
const worksheet = workbook.Sheets[firstSheetName]
const header = this.get_header_row(worksheet)
const results = XLSX.utils.sheet_to_json(worksheet)
this.generateDate({ header, results })
}
reader.readAsArrayBuffer(itemFile)
},
fixdata(data) {
let o = ''
let l = 0
const w = 10240
for (; l < data.byteLength / w; ++l) o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w, l * w + w)))
o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w)))
return o
},
get_header_row(sheet) {
const headers = []
const range = XLSX.utils.decode_range(sheet['!ref'])
let C
const R = range.s.r /* start in the first row */
for (C = range.s.c; C <= range.e.c; ++C) { /* walk every column in the range */
var cell = sheet[XLSX.utils.encode_cell({ c: C, r: R })] /* find the cell in the first row */
var hdr = 'UNKNOWN ' + C // <-- replace with your desired default
if (cell && cell.t) hdr = XLSX.utils.format_cell(cell)
headers.push(hdr)
}
return headers
}
}
}
</script>
<style scoped>
#excel-upload-input{
display: none;
z-index: -9999;
}
</style>

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@ -150,7 +150,8 @@ export const asyncRouterMap = [
icon: 'EXCEL',
children: [
{ path: 'download', component: _import('excel/index'), name: '导出excel' },
{ path: 'download2', component: _import('excel/selectExcel'), name: '导出已选择项' }
{ path: 'download2', component: _import('excel/selectExcel'), name: '导出已选择项' },
{ path: 'upload', component: _import('excel/uploadExcel'), name: 'upload excel' }
]
},
{

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@ -0,0 +1,29 @@
<template>
<div class="app-container">
<upload-excel @on-selected-file='selected'></upload-excel>
<el-table :data="tableData" border highlight-current-row style="width: 100%;margin-top:20px;">
<el-table-column v-for='item of tableHeader' :prop="item" :label="item" :key='item'>
</el-table-column>
</el-table>
</div>
</template>
<script>
import uploadExcel from 'components/UploadExcel/index.vue'
export default {
components: { uploadExcel },
data() {
return {
tableData: [],
tableHeader: []
}
},
methods: {
selected(data) {
this.tableData = data.results
this.tableHeader = data.header
}
}
}
</script>