{"id":151,"date":"2026-05-27T12:01:56","date_gmt":"2026-05-27T04:01:56","guid":{"rendered":"https:\/\/admin.migshare.cn\/?p=151"},"modified":"2026-05-27T12:01:56","modified_gmt":"2026-05-27T04:01:56","slug":"java%e5%ae%9e%e7%8e%b0%e6%a0%bc%e5%bc%8f%e8%bd%ac%e6%8d%a2%e4%b8%bapdf%e7%9a%84%e4%b8%a4%e7%a7%8d%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/admin.migshare.cn\/index.php\/2026\/05\/27\/java%e5%ae%9e%e7%8e%b0%e6%a0%bc%e5%bc%8f%e8%bd%ac%e6%8d%a2%e4%b8%bapdf%e7%9a%84%e4%b8%a4%e7%a7%8d%e6%96%b9%e6%a1%88\/","title":{"rendered":"Java\u5b9e\u73b0\u683c\u5f0f\u8f6c\u6362\u4e3aPDF\u7684\u4e24\u79cd\u65b9\u6848"},"content":{"rendered":"\n

\u5728Java\u4e2d\u5b9e\u73b0\u683c\u5f0f\u8f6c\u6362\u4e3aPDF\uff0c\u901a\u5e38\u9700\u8981\u501f\u52a9\u7b2c\u4e09\u65b9\u5f00\u6e90\u5e93\u3002\u76ee\u524d\u4e1a\u754c\u6700\u5e38\u7528\u4e14\u529f\u80fd\u5f3a\u5927\u7684\u4e24\u4e2a\u5e93\u662f\u00a0iText<\/strong>\u00a0\u548c\u00a0Apache PDFBox<\/strong>\u3002<\/p>\n\n\n\n

\u4ee5\u4e0b\u6211\u5c06\u4e3a\u60a8\u63d0\u4f9b\u57fa\u4e8e\u8fd9\u4e24\u79cd\u4e3b\u6d41\u65b9\u6848\u7684\u5b8c\u6574\u903b\u8f91\u4e0e\u4ee3\u7801\u793a\u4f8b\uff0c\u6db5\u76d6\u6700\u5e38\u89c1\u7684\u4e09\u79cd\u8f6c\u6362\u573a\u666f\uff1a\u7eaf\u6587\u672c\u8f6cPDF<\/strong>\u3001\u56fe\u7247\u8f6cPDF<\/strong>\u00a0\u4ee5\u53ca\u00a0HTML\u7f51\u9875\u8f6cPDF<\/strong>\u3002<\/p>\n\n\n\n

<\/h2>\n\n\n\n

\u65b9\u6848\u4e00\uff1a\u4f7f\u7528 iText \u5e93\uff08\u63a8\u8350\uff0cAPI\u66f4\u9ad8\u7ea7\uff09<\/strong><\/h2>\n\n\n\n

iText \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6587\u6863\u6392\u7248\u80fd\u529b\uff0c\u975e\u5e38\u9002\u5408\u751f\u6210\u590d\u6742\u7684\u62a5\u8868\u6216\u6587\u6863\u3002<\/p>\n\n\n\n

1. \u5f15\u5165 Maven \u4f9d\u8d561. \u5f15\u5165 Maven \u4f9d\u8d56<\/strong><\/h3>\n\n\n\n
<dependency>\n    <groupId>com.itextpdf<\/groupId>\n    <artifactId>itext7-core<\/artifactId>\n    <version>7.2.5<\/version>\n    <type>pom<\/type>\n<\/dependency>\n<!-- \u5982\u679c\u9700\u8981HTML\u8f6cPDF\uff0c\u8fd8\u9700\u8981\u5f15\u5165 pdfHTML -->\n<dependency>\n    <groupId>com.itextpdf<\/groupId>\n    <artifactId>html2pdf<\/artifactId>\n    <version>4.0.3<\/version>\n<\/dependency><\/code><\/pre>\n\n\n\n
2. \u5b8c\u6574\u8f6c\u6362\u5de5\u5177\u7c7b\u4ee3\u7801<\/strong><\/h3>\n\n\n\n
import com.itextpdf.html2pdf.HtmlConverter;\nimport com.itextpdf.kernel.geom.PageSize;\nimport com.itextpdf.kernel.pdf.PdfDocument;\nimport com.itextpdf.kernel.pdf.PdfWriter;\nimport com.itextpdf.layout.Document;\nimport com.itextpdf.layout.element.Image;\nimport com.itextpdf.layout.element.Paragraph;\nimport com.itextpdf.io.image.ImageDataFactory;\n\nimport java.io.*;\nimport java.nio.charset.StandardCharsets;\nimport java.nio.file.Files;\nimport java.nio.file.Paths;\n\npublic class PdfConverter {\n\n    \/**\n     * 1. \u7eaf\u6587\u672c (TXT) \u8f6c\u6362\u4e3a PDF\n     *\/\n    public static void textToPdf(String txtPath, String pdfPath) throws IOException {\n        \/\/ \u8bfb\u53d6\u6587\u672c\u5185\u5bb9\n        String content = new String(Files.readAllBytes(Paths.get(txtPath)), StandardCharsets.UTF_8);\n        \n        try (PdfWriter writer = new PdfWriter(pdfPath);\n             PdfDocument pdfDoc = new PdfDocument(writer);\n             Document document = new Document(pdfDoc, PageSize.A4)) {\n            \n            \/\/ \u5c06\u6587\u672c\u6309\u884c\u5206\u5272\u5e76\u6dfb\u52a0\u5230PDF\u4e2d\n            for (String line : content.split(\"\\n\")) {\n                document.add(new Paragraph(line));\n            }\n        }\n    }\n\n    \/**\n     * 2. \u56fe\u7247\u8f6c\u6362\u4e3a PDF\n     *\/\n    public static void imageToPdf(String imagePath, String pdfPath) throws Exception {\n        try (PdfWriter writer = new PdfWriter(pdfPath);\n             PdfDocument pdfDoc = new PdfDocument(writer);\n             Document document = new Document(pdfDoc, PageSize.A4)) {\n            \n            Image image = new Image(ImageDataFactory.create(imagePath));\n            \/\/ \u7f29\u653e\u56fe\u7247\u4ee5\u9002\u5e94A4\u7eb8\u5f20\u5bbd\u5ea6\n            image.scaleToFit(PageSize.A4.getWidth(), PageSize.A4.getHeight()); \n            document.add(image);\n        }\n    }\n\n    \/**\n     * 3. HTML \u5b57\u7b26\u4e32\/\u6587\u4ef6\u8f6c\u6362\u4e3a PDF\n     *\/\n    public static void htmlToPdf(String htmlContent, String pdfPath) throws IOException {\n        try (OutputStream os = new FileOutputStream(pdfPath)) {\n            \/\/ \u6838\u5fc3\u65b9\u6cd5\uff1a\u76f4\u63a5\u5c06HTML\u6d41\u8f6c\u6362\u4e3aPDF\u6d41\n            HtmlConverter.convertToPdf(htmlContent, os);\n        }\n    }\n\n    \/\/ \u6d4b\u8bd5\u5165\u53e3\n    public static void main(String[] args) throws Exception {\n        \/\/ \u793a\u4f8b\uff1aHTML\u8f6cPDF\n        String html = \"<h1>Hello PDF<\/h1><p>\u8fd9\u662f\u4e00\u6bb5\u7531Java\u751f\u6210\u7684PDF\u5185\u5bb9\u3002<\/p>\";\n        htmlToPdf(html, \"output_from_html.pdf\");\n    }\n}<\/code><\/pre>\n\n\n\n
\u65b9\u6848\u4e8c\uff1a\u4f7f\u7528 Apache PDFBox \u5e93\uff08\u8f7b\u91cf\u7ea7\uff0c\u5b8c\u5168\u514d\u8d39\u5f00\u6e90\uff09<\/strong><\/h2>\n\n\n\n
PDFBox \u5728\u5904\u7406\u57fa\u7840\u7684\u6587\u672c\u5199\u5165\u548c\u56fe\u7247\u5d4c\u5165\u65f6\u975e\u5e38\u7a33\u5b9a\uff0c\u9002\u5408\u4e0d\u9700\u8981\u590d\u6742\u6392\u7248\u7684\u573a\u666f\u3002<\/p>\n\n\n\n
1. \u5f15\u5165 Maven \u4f9d\u8d56<\/strong><\/h3>\n\n\n\n
<dependency>\n    <groupId>org.apache.pdfbox<\/groupId>\n    <artifactId>pdfbox<\/artifactId>\n    <version>2.0.24<\/version>\n<\/dependency><\/code><\/pre>\n\n\n\n
2. \u57fa\u7840\u6587\u672c\u5199\u5165\u793a\u4f8b<\/strong><\/h3>\n\n\n\n
import org.apache.pdfbox.pdmodel.PDDocument;\nimport org.apache.pdfbox.pdmodel.PDPage;\nimport org.apache.pdfbox.pdmodel.PDPageContentStream;\nimport org.apache.pdfbox.pdmodel.font.PDType1Font;\n\nimport java.io.IOException;\n\npublic class PdfBoxConverter {\n    public static void createSimplePdf(String pdfPath, String text) throws IOException {\n        try (PDDocument document = new PDDocument()) {\n            PDPage page = new PDPage();\n            document.addPage(page);\n\n            try (PDPageContentStream contentStream = new PDPageContentStream(document, page)) {\n                contentStream.beginText();\n                contentStream.setFont(PDType1Font.HELVETICA_BOLD, 12);\n                contentStream.newLineAtOffset(100, 700); \/\/ \u8bbe\u7f6e\u6587\u672c\u8d77\u59cb\u5750\u6807\n                contentStream.showText(text);\n                contentStream.endText();\n            }\n            document.save(pdfPath);\n        }\n    }\n}<\/code><\/pre>\n\n\n\n
\u6838\u5fc3\u5f00\u53d1\u5efa\u8bae\u4e0e\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/h2>\n\n\n\n
    \n
  1. \u4e2d\u6587\u4e71\u7801\u95ee\u9898<\/strong>\uff1a\u4e0a\u8ff0 iText \u548c PDFBox \u7684\u57fa\u7840\u793a\u4f8b\u4f7f\u7528\u7684\u662f\u9ed8\u8ba4\u82f1\u6587\u5b57\u4f53\u3002\u5982\u679c\u60a8\u7684\u4e1a\u52a1\u6d89\u53ca\u4e2d\u6587\u8f6c\u6362<\/strong>\uff0c\u5fc5\u987b\u5728\u4ee3\u7801\u4e2d\u663e\u5f0f\u52a0\u8f7d\u4e2d\u6587\u5b57\u4f53\u6587\u4ef6\uff08\u5982\u00a0msyh.ttf<\/code>\u00a0\u5fae\u8f6f\u96c5\u9ed1\uff09\uff0c\u5426\u5219\u751f\u6210\u7684PDF\u4f1a\u51fa\u73b0\u4e71\u7801\u6216\u65b9\u5757\u3002<\/li>\n\n\n\n
  2. \u8d44\u6e90\u91ca\u653e<\/strong>\uff1a\u65e0\u8bba\u4f7f\u7528\u54ea\u79cd\u5e93\uff0c\u52a1\u5fc5\u786e\u4fdd\u00a0Document<\/code>\u3001PdfWriter<\/code>\u00a0\u6216\u00a0ContentStream<\/code>\u00a0\u7b49\u5bf9\u8c61\u5728\u4f7f\u7528\u540e\u88ab\u6b63\u786e\u5173\u95ed\uff08\u63a8\u8350\u4f7f\u7528 Java \u7684\u00a0try-with-resources<\/code>\u00a0\u8bed\u6cd5\uff09\uff0c\u4ee5\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f\u548c\u6587\u4ef6\u88ab\u5360\u7528\u65e0\u6cd5\u5220\u9664\u3002<\/li>\n\n\n\n
  3. HTML\u8f6cPDF\u7684\u5c40\u9650\u6027<\/strong>\uff1a\u5728\u4f7f\u7528 iText \u7684\u00a0html2pdf<\/code>\u00a0\u6a21\u5757\u65f6\uff0c\u5b83\u4e0d\u652f\u6301\u6240\u6709\u7684 CSS3 \u7279\u6027\uff08\u5982\u90e8\u5206\u4f2a\u7c7b\u00a0:hover<\/code>\u00a0\u6216\u00a0@import<\/code>\u00a0\u89c4\u5219\uff09\u3002\u5bf9\u4e8e\u590d\u6742\u7684\u7f51\u9875\uff0c\u5efa\u8bae\u5728\u8f6c\u6362\u524d\u5148\u5c06\u5916\u90e8CSS\u5185\u8054\u5316\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
    \u5728Java\u4e2d\u5b9e\u73b0\u683c\u5f0f\u8f6c\u6362\u4e3aPDF\uff0c\u901a\u5e38\u9700\u8981\u501f\u52a9\u7b2c\u4e09\u65b9\u5f00\u6e90\u5e93\u3002\u76ee\u524d\u4e1a\u754c\u6700\u5e38\u7528\u4e14\u529f\u80fd\u5f3a\u5927\u7684\u4e24\u4e2a\u5e93\u662f\u00a0iText\u00a0\u548c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"post_views_count":0,"reading_time_minutes":0},"categories":[16],"tags":[],"class_list":["post-151","post","type-post","status-publish","format-standard","hentry","category-16"],"acf":[],"preview_url":"","download_url":"","_links":{"self":[{"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/posts\/151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/comments?post=151"}],"version-history":[{"count":1,"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/posts\/151\/revisions"}],"predecessor-version":[{"id":152,"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/posts\/151\/revisions\/152"}],"wp:attachment":[{"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/media?parent=151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/categories?post=151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/admin.migshare.cn\/index.php\/wp-json\/wp\/v2\/tags?post=151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}