转自：道客巴巴免费下载文档技巧 - 简书 (jianshu.com)
1.打开控制台，输入以下代码，回车
function downloadPages(from, to) {
for (i = from; i <= to; i++) {
const pageCanvas = document.getElementById('page_' + i);
if (pageCanvas === null) { break; }
const pageNo = parseInt(String(i));
setTimeout(() => {
console.log("==pageNo==>>", pageNo);
((num) => {
console.log("开始打印第" + num + "页");
pageCanvas.toBlob(
blob => {
const anchor = document.createElement('a');
anchor.download = 'page_' + num + '.png';
anchor.href = URL.createObjectURL(blob);
anchor.click();
URL.revokeObjectURL(anchor.href);
}
);
})(pageNo);
}, 500 * pageNo);
}
}
2.文档有页数
downloadPages(1, 37)
3.将PNG保存为便于打印的PDF
进入 https://smallpdf.com/cn/jpg-to-pdf批量上传png图片
