{"id":5551,"date":"2025-05-29T14:32:39","date_gmt":"2025-05-29T06:32:39","guid":{"rendered":"https:\/\/support.fuxinsoft.cn\/?p=5551"},"modified":"2025-06-10T14:01:05","modified_gmt":"2025-06-10T06:01:05","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%af%86%e7%a0%81%e5%8a%a0%e5%af%86-pdf-%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/support.fuxinsoft.cn\/?p=5551","title":{"rendered":"\u4ee3\u7801\u5b9e\u73b0PDF\u6587\u4ef6\u52a0\u5bc6"},"content":{"rendered":"\n<p><strong>\u7528\u6237\u9700\u6c42\u80cc\u666f<\/strong>\uff1a<\/p>\n\n\n\n<p>\u5e0c\u671b\u4e86\u89e3\u5982\u4f55\u901a\u8fc7\u7f16\u7a0b\u65b9\u5f0f\u5b9e\u73b0PDF\u6587\u4ef6\u52a0\u5bc6\u4fdd\u62a4\uff0c\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\u548c\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public boolean encryPDF(PDFDoc pdfDoc, byte&#91;] ownerPassword, byte&#91;] userPassword, String savePth) {\nif (pdfDoc == null || (ownerPassword == null &amp;&amp; userPassword == null) || savePth == null)\nreturn false;\n\/\/ The encryption setting data. Whether to encrypt meta data:true, User permission: modify,assemble,fill form.\nCipher algorithm:AES 128.\nStdEncryptData encryptData = new StdEncryptData(true,\nPDFDoc.e_PermModify | PDFDoc.e_PermAssemble | PDFDoc.e_PermFillForm,\nSecurityHandler.e_CipherAES, 16);\nStdSecurityHandler securityHandler = new StdSecurityHandler();\ntry {\nif (!securityHandler.initialize(encryptData, userPassword, ownerPassword)) return false;\npdfDoc.setSecurityHandler(securityHandler);\nif (!pdfDoc.saveAs(savePth, PDFDoc.e_SaveFlagNormal)) return false;\nreturn true;\n} catch (PDFException e) {\ne.printStackTrace();\n}\nreturn false;\n}<\/code><\/pre>\n\n\n\n<p>\u5b9e\u73b0\u903b\u8f91\u8be6\u89e3<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b\u53c2\u6570\u6709\u6548\u6027\u9a8c\u8bc1 <\/li>\n\n\n\n<li>\u52a0\u5bc6\u53c2\u6570\u914d\u7f6e\uff08\u652f\u6301AES-128\u7b97\u6cd5\uff09<\/li>\n\n\n\n<li>\u5b89\u5168\u6a21\u5757\u521d\u59cb\u5316<\/li>\n\n\n\n<li>\u6587\u4ef6\u52a0\u5bc6\u4fdd\u5b58\u5168\u6d41\u7a0b\u903b\u8f91\u603b\u7ed3\u200b<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u7528\u6237\u9700\u6c42\u80cc\u666f\uff1a \u5e0c\u671b\u4e86\u89e3\u5982\u4f55\u901a\u8fc7\u7f16\u7a0b\u65b9\u5f0f\u5b9e\u73b0PDF\u6587\u4ef6\u52a0\u5bc6\u4fdd\u62a4\uff0c\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\u548c\u4ee3\u7801\u793a\u4f8b\uff1a \u5b9e\u73b0\u903b\u8f91\u8be6\u89e3<\/p>\n","protected":false},"author":30,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[694,462,638,699,700,636,696,637,698,701,262,695,697],"class_list":["post-5551","post","type-post","status-publish","format-standard","hentry","category-rdk-android","tag-pdf","tag-462","tag-638","tag-699","tag-700","tag-636","tag-696","tag-637","tag-698","tag-701","tag-262","tag-695","tag-697"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","_links":{"self":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/5551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5551"}],"version-history":[{"count":2,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/5551\/revisions"}],"predecessor-version":[{"id":5610,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/5551\/revisions\/5610"}],"wp:attachment":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}