{"id":2278,"date":"2024-01-21T08:59:51","date_gmt":"2024-01-21T00:59:51","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=2278"},"modified":"2024-01-21T09:00:11","modified_gmt":"2024-01-21T01:00:11","slug":"java-itextpdf-merge-images-pdf","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2024\/01\/21\/java-itextpdf-merge-images-pdf\/","title":{"rendered":"Java\u4f7f\u7528 itextpdf \u5408\u5e76\u56fe\u7247\u751f\u6210pdf\u6587\u4ef6"},"content":{"rendered":"

\u4f7f\u7528 itextpdf \u5408\u5e76\u56fe\u7247\u751f\u6210 pdf \u6587\u4ef6\u7684\u6b65\u9aa4\u5982\u4e0b:<\/p>\n

    \n
  1. \u5bfc\u5165 itextpdf \u7684 jar \u5305<\/li>\n
  2. \u521b\u5efa\u4e00\u4e2a Document \u5bf9\u8c61<\/li>\n
  3. \u521b\u5efa\u4e00\u4e2a PdfWriter \u5bf9\u8c61, \u5e76\u5c06\u5176\u4e0e Document \u5bf9\u8c61\u5173\u8054<\/li>\n
  4. \u6253\u5f00 Document \u5bf9\u8c61<\/li>\n
  5. \u5faa\u73af\u6dfb\u52a0\u56fe\u7247\u5230 Document \u5bf9\u8c61\u4e2d<\/li>\n
  6. \u5173\u95ed Document \u5bf9\u8c61<\/li>\n<\/ol>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    <!-- https:\/\/mvnrepository.com\/artifact\/com.lowagie\/itext -->\n<dependency>\n    <groupId>com.lowagie<\/groupId>\n    <artifactId>itext<\/artifactId>\n    <version>4.2.2<\/version>\n<\/dependency><\/code><\/pre>\n
    public static boolean mergeImages(List<String> images, File newFile) {\n    boolean retValue = false;\n    \/\/ \u521b\u5efa\u4e00\u4e2a Document \u5bf9\u8c61\n    Document document = new Document();\n    try {\n        \/\/ \u521b\u5efa\u4e00\u4e2a PdfWriter \u5bf9\u8c61, \u5e76\u5c06\u5176\u4e0e Document \u5bf9\u8c61\u5173\u8054\n        PdfWriter.getInstance(document, new FileOutputStream(newFile));\n        \/\/ \u6253\u5f00 Document \u5bf9\u8c61\n        document.open();\n        \/\/ \u5faa\u73af\u6dfb\u52a0\u56fe\u7247\u5230 Document \u5bf9\u8c61\u4e2d\n        for (int i = 0; i < images.size(); i++) {\n            \/\/ \u521b\u5efa\u56fe\u7247\u5bf9\u8c61\n            Image image = Image.getInstance(images.get(i));\n            \/\/\u8bbe\u7f6e\u56fe\u7247\u4f4d\u7f6e\u7684x\u8f74\u548cy\u8f74\n            \/\/image.setAbsolutePosition(0, 0);  \/\/ \u76f8\u5bf9\u4e8e\u4e0a\u9762\u83b7\u53d6\u5230\u7684\u5750\u6807\uff0c\u4f4d\u4e8e\u5de6\u4e0b\u89d2\n            \/\/\u8bbe\u7f6e\u56fe\u7247\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\n            image.scalePercent(60, 60);\n            \/\/ \u5c06\u56fe\u7247\u6dfb\u52a0\u5230 Document \u5bf9\u8c61\u4e2d\n            document.add(image);\n        }\n        retValue = true;\n    } catch (DocumentException | IOException e) {\n        log.error("", e);\n    } finally {\n        \/\/ \u5173\u95ed Document \u5bf9\u8c61\n        document.close();\n    }\n    return retValue;\n}<\/code><\/pre>\n
    \"\"<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4f7f\u7528 itextpdf \u5408\u5e76\u56fe\u7247\u751f\u6210 pdf \u6587\u4ef6\u7684\u6b65\u9aa4\u5982\u4e0b: \u5bfc\u5165 itextpdf \u7684 jar \u5305 \u521b\u5efa\u4e00 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[489],"class_list":["post-2278","post","type-post","status-publish","format-standard","hentry","category-java-basic","tag-pdf"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/2278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2278"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/2278\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}