方法一
要將PDF或Word轉(zhuǎn)換為HTML并保留原有樣式,可以使用pdfjs-dist和mammoth.js這兩個(gè)庫(kù)。首先需要安裝這兩個(gè)庫(kù):
npm install pdfjs-dist mammoth.js
然后在Vue項(xiàng)目中使用這兩個(gè)庫(kù)進(jìn)行轉(zhuǎn)換:
import * as pdfjsLib from 'pdfjs-dist';
import { convertToHtml } from 'mammoth';
export default {
methods: {
async convertFileToHtml(file) {
const fileType = file.type.split('/')[1];
const fileExtension = fileType === 'pdf' ? '.pdf' : '.docx';
// 將文件轉(zhuǎn)換為Blob對(duì)象
const fileReader = new FileReader();
fileReader.onload = (event) => {
const arrayBuffer = event.target.result;
const byteArray = new Uint8Array(arrayBuffer);
const blob = new Blob([byteArray], { type: fileType + fileExtension });
if (fileType === 'pdf') {
// 使用pdfjsLib將PDF轉(zhuǎn)換為HTML
const pdfData = await pdfjsLib.getDocument(blob).promise;
const pageNumber = 1;
const scale = 1;
const viewport = pageNumber * scale;
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
canvas.width = pdfData.internal.pageSize.getWidth() * scale;
canvas.height = pdfData.internal.pageSize.getHeight() * scale;
const renderContext = {
canvasContext: context,
viewport: viewport,
};
const renderTask = pdfData.getPage(pageNumber).render(renderContext);
await renderTask.promise;
const base64Image = canvas.toDataURL('image/png');
// 將base64Image轉(zhuǎn)換為HTML
const htmlContent = `<img src="${base64Image}" />`;
return htmlContent;
} else if (fileType === 'docx') {
// 使用mammoth將Word轉(zhuǎn)換為HTML
const htmlContent = await convertToHtml(blob, { format: 'html' });
return htmlContent;
}
};
fileReader.readAsArrayBuffer(blob);
},
},
};
在Vue模板中使用這個(gè)方法:
<template>
<div>
<input type="file" @change="handleFileChange" />
</div>
</template>
<script>
import convertFileToHtml from '@/utils/convertFileToHtml';
export default {
methods: {
...convertFileToHtml(),
},
};
</script>
方法二
要實(shí)現(xiàn)在Vue中復(fù)制Word文檔并還原樣式,可以使用mammoth.js庫(kù)將Word文檔轉(zhuǎn)換為HTML,然后使用html-to-paper庫(kù)將HTML內(nèi)容呈現(xiàn)為可打印的PDF。以下是實(shí)現(xiàn)此功能的步驟:
1.安裝依賴庫(kù):
npm install mammoth html-to-paper
2.在Vue組件中引入依賴庫(kù):
import * as mammoth from 'mammoth';
import htmlToPaper from 'html-to-paper';
3.創(chuàng)建一個(gè)方法來(lái)處理Word文檔的上傳和預(yù)覽:文章來(lái)源:http://www.zghlxwxcb.cn/news/detail-681047.html
methods: {
async handleWordUpload(event) {
const file = event.target.files[0];
if (!file) {
return;
}
// 將Word文檔轉(zhuǎn)換為HTML
const result = await mammoth.convertToHtml({ arrayBuffer: file });
const htmlContent = result.value;
// 將HTML內(nèi)容呈現(xiàn)為可打印的PDF
const printElement = document.createElement('div');
printElement.innerHTML = htmlContent;
htmlToPaper(printElement);
},
},
4.在Vue模板中添加一個(gè)文件輸入框和預(yù)覽按鈕:文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-681047.html
<template>
<div>
<input type="file" @change="handleWordUpload" />
<button>預(yù)覽</button>
</div>
</template>
到了這里,關(guān)于vue PDF或Word轉(zhuǎn)換為HTML并保留原有樣式的文章就介紹完了。如果您還想了解更多內(nèi)容,請(qǐng)?jiān)谟疑辖撬阉鱐OY模板網(wǎng)以前的文章或繼續(xù)瀏覽下面的相關(guān)文章,希望大家以后多多支持TOY模板網(wǎng)!