This commit is contained in:
2
.gitignore
vendored
2
.gitignore
vendored
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/node_modules
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node_modules
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BIN
src/js/print/assets/test.pdf
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BIN
src/js/print/assets/test.pdf
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Binary file not shown.
55
src/js/print/index.html
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55
src/js/print/index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Document</title>
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</head>
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<body>
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<button onclick="handlePrint()">打印</button>
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<script src="./node_modules/print-js/dist/print.js"></script>
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<script src="./node_modules/pdf-lib/dist/pdf-lib.js"></script>
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<script>
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async function handlePrint() {
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const pdfUrls = [
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"./assets/test.pdf",
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"./assets/test.pdf",
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"./assets/test.pdf",
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];
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const url = await mergePDFs(pdfUrls);
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// 调用打印功能，无需打开文件再手动打印
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printJS(url);
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}
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// 批量打印与分页打印
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async function mergePDFs(pdfUrls) {
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// 创建一个新的空白PDF文档
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const mergedPdfDoc = await PDFLib.PDFDocument.create();
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for (const pdfUrl of pdfUrls) {
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// 获取PDF文件的二进制数据
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const pdfBytes = await fetch(pdfUrl).then((response) =>
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response.arrayBuffer()
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);
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// 将获取到的PDF文件添加到新的文档中
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const pdfDoc = await PDFLib.PDFDocument.load(pdfBytes);
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// 如果单个PDF为多页，则要一页一页往新建的PDF中添加
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const copiedPages = await mergedPdfDoc.copyPages(
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pdfDoc,
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pdfDoc.getPageIndices()
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);
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copiedPages.forEach((page) => mergedPdfDoc.addPage(page));
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}
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// 将合并后的PDF保存为Blob对象
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const mergedPdfBytes = await mergedPdfDoc.save();
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const mergedPdfBlob = new Blob([mergedPdfBytes], {
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type: "application/pdf",
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});
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return URL.createObjectURL(mergedPdfBlob);
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}
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</script>
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</body>
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</html>
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59
src/js/print/package-lock.json
generated
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59
src/js/print/package-lock.json
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{
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"name": "printjs",
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"version": "1.0.0",
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"lockfileVersion": 3,
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"requires": true,
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"packages": {
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"": {
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"name": "printjs",
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"version": "1.0.0",
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"license": "ISC",
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"dependencies": {
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"pdf-lib": "^1.17.1",
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"print-js": "^1.6.0"
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}
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},
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"node_modules/@pdf-lib/standard-fonts": {
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"version": "1.0.0",
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"resolved": "https://registry.npmmirror.com/@pdf-lib/standard-fonts/-/standard-fonts-1.0.0.tgz",
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"integrity": "sha512-hU30BK9IUN/su0Mn9VdlVKsWBS6GyhVfqjwl1FjZN4TxP6cCw0jP2w7V3Hf5uX7M0AZJ16vey9yE0ny7Sa59ZA==",
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"dependencies": {
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"pako": "^1.0.6"
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}
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},
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"node_modules/@pdf-lib/upng": {
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"version": "1.0.1",
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"resolved": "https://registry.npmmirror.com/@pdf-lib/upng/-/upng-1.0.1.tgz",
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"integrity": "sha512-dQK2FUMQtowVP00mtIksrlZhdFXQZPC+taih1q4CvPZ5vqdxR/LKBaFg0oAfzd1GlHZXXSPdQfzQnt+ViGvEIQ==",
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"dependencies": {
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"pako": "^1.0.10"
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}
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},
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"node_modules/pako": {
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"version": "1.0.11",
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"resolved": "https://registry.npmmirror.com/pako/-/pako-1.0.11.tgz",
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"integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw=="
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},
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"node_modules/pdf-lib": {
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"version": "1.17.1",
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"resolved": "https://registry.npmmirror.com/pdf-lib/-/pdf-lib-1.17.1.tgz",
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"integrity": "sha512-V/mpyJAoTsN4cnP31vc0wfNA1+p20evqqnap0KLoRUN0Yk/p3wN52DOEsL4oBFcLdb76hlpKPtzJIgo67j/XLw==",
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"dependencies": {
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"@pdf-lib/standard-fonts": "^1.0.0",
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"@pdf-lib/upng": "^1.0.1",
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"pako": "^1.0.11",
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"tslib": "^1.11.1"
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}
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},
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"node_modules/print-js": {
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"version": "1.6.0",
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"resolved": "https://registry.npmmirror.com/print-js/-/print-js-1.6.0.tgz",
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"integrity": "sha512-BfnOIzSKbqGRtO4o0rnj/K3681BSd2QUrsIZy/+WdCIugjIswjmx3lDEZpXB2ruGf9d4b3YNINri81+J0FsBWg=="
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},
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"node_modules/tslib": {
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"version": "1.14.1",
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"resolved": "https://registry.npmmirror.com/tslib/-/tslib-1.14.1.tgz",
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"integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
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}
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}
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}
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16
src/js/print/package.json
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16
src/js/print/package.json
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{
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"name": "printjs",
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"version": "1.0.0",
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"description": "",
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"main": "index.js",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"keywords": [],
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"author": "",
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"license": "ISC",
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"dependencies": {
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"pdf-lib": "^1.17.1",
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"print-js": "^1.6.0"
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}
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}
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