work 文档转图片 js

// 引入mammoth库
import * as mammoth from 'mammoth';

// 读取Word文档并转换为HTML
mammoth.convertToHtml({arrayBuffer: file})
  .then(function(result){
    const html = result.value; // 转换后的HTML
    const img = new Image();
    img.src = 'data:image/png;base64,' + htmlToBase64Image(html);
    document.body.appendChild(img); // 在页面上显示图片
  })
  .catch(function(error) {
    console.error('转换失败:', error);
  });

// 辅助函数：将HTML转换为Base64编码的图片
function htmlToBase64Image(html) {
  const canvas = document.createElement('canvas');
  const ctx = canvas.getContext('2d');
  const img = new Image();
  img.onload = function() {
    canvas.width = img.width;
    canvas.height = img.height;
    ctx.drawImage(img, 0, 0);
    const dataURL = canvas.toDataURL('image/png');
    console.log(dataURL); // 输出Base64编码的图片
  };
  img.src = 'data:text/html;base64,' + btoa(html);
}