我想實(shí)現(xiàn)讀取一個(gè)本地的xlsx文件(task_list.xlsx)然后顯示在網(wǎng)頁上, 一開始選擇的方法是建個(gè)express server, 通過發(fā)送axios請求來實(shí)現(xiàn), 但是覺得只是讀取一個(gè)本地文件還要搞個(gè)server太復(fù)雜了, 最終還是通過"xlsx"模塊 + axios實(shí)現(xiàn)了讀取本地文件, 無需后端, 步驟如下:
1.通過vue-cli新建項(xiàng)目:
2.編寫分析excel workbook的腳本
/src/scripts/read_xlsx.js
const XLSX = require('xlsx')//將行,列轉(zhuǎn)換function transformSheets(sheets) { var content = [] var content1 = [] var tmplist = [] for (let key in sheets){ //讀出來的workbook數(shù)據(jù)很難讀,轉(zhuǎn)換為json格式,參考https://github.com/SheetJS/js-xlsx#utility-functions tmplist.push(XLSX.utils.sheet_to_json(sheets[key]).length) content1.push(XLSX.utils.sheet_to_json(sheets[key])) } var maxLength = Math.max.apply(Math, tmplist) //進(jìn)行行列轉(zhuǎn)換 for (let y in [...Array(maxLength)]){ content.push([]) for (let x in [...Array(tmplist.length)]) { try { for (let z in content1[x][y]){ content[y].push(content1[x][y][z]) } } catch (error) { content[y].push(' ') } } } content.unshift([]) for (let key in sheets){ content[0].push(key) } return content}export {transformSheets as default}
3.新建一個(gè)組件
/src/components/task_list.vue
<template> <div class="task-list"> <p v-if="err!==''">{{err}}</p> <!-- 用來顯示報(bào)錯(cuò) --> <table style="margin:0 auto;" v-if="content!==''"> <!-- 設(shè)置居中,如果沒獲取到內(nèi)容則不顯示 --> <tr><th v-for="h in content[0]" :key="h.id">{{h}}</th></tr> <!-- 循環(huán)讀取數(shù)據(jù)并顯示 --> <tr v-for="row in content.slice(1,)" :key=row.id> <td v-for="item in row" :key=item.id>{{item}}</td> </tr> </table> </div></template><script>import axios from 'axios'import XLSX from 'xlsx'import transformSheets from '../scripts/read_xlsx' //導(dǎo)入轉(zhuǎn)制函數(shù)export default { name: 'TaskList', data: function () { return { content: '', //初始化數(shù)據(jù) err: '' } }, created() { var url = "/task_list.xlsx" //放在public目錄下的文件可以直接訪問 //讀取二進(jìn)制excel文件,參考https://github.com/SheetJS/js-xlsx#utility-functions axios.get(url, {responseType:'arraybuffer'}) .then((res) => { var data = new Uint8Array(res.data) var wb = XLSX.read(data, {type:"array"}) var sheets = wb.Sheets this.content = transformSheets(sheets) }).catch( err =>{ this.err = err }) }}
大功告成,編譯然后部署到服務(wù)器吧
npm run build
部署就不詳述了,把dist目錄丟到服務(wù)器上就行.
效果就是這樣,編程新手,就這個(gè)東西斷斷續(xù)續(xù)搞了快一周了...
github地址 https://github.com/LeviDeng/task_list
以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助,也希望大家多多支持武林網(wǎng)。
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