{"id":4496,"date":"2025-03-11T14:00:12","date_gmt":"2025-03-11T06:00:12","guid":{"rendered":"https:\/\/support.foxitsoftware.cn\/?p=4496"},"modified":"2025-03-21T14:38:04","modified_gmt":"2025-03-21T06:38:04","slug":"sdk-java%e5%9c%a8%e9%ab%98%e5%b9%b6%e5%8f%91%e5%9c%ba%e6%99%af%e4%b8%8b%e7%9a%84%e5%86%85%e5%ad%98%e4%b8%8ecpu%e7%ae%a1%e7%90%86%ef%bc%9a%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90%e4%b8%8e%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/support.fuxinsoft.cn\/?p=4496","title":{"rendered":"SDK Java\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u5185\u5b58\u4e0eCPU\u7ba1\u7406\uff1a\u539f\u56e0\u5206\u6790\u4e0e\u5bf9\u8c61\u91ca\u653e\u7b56\u7565"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-medium-font-size\">\u80cc\u666f<\/h2>\n\n\n\n<p class=\"has-medium-font-size\">\u5728Java SDK\u4e2d\uff0c\u901a\u8fc7SWIG\u6280\u672f\u751f\u6210\u7684Java\u5305\u88c5\u7c7b\u8d1f\u8d23\u7ba1\u7406\u5e95\u5c42C++\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002\u8fd9\u4e9bJava\u5305\u88c5\u7c7b\u901a\u5e38\u63d0\u4f9b\u4e00\u4e2adelete\u65b9\u6cd5\uff0c\u7528\u4e8e\u663e\u5f0f\u91ca\u653e\u4e0e\u4e4b\u5173\u8054\u7684C++\u5bf9\u8c61\u3002\u7136\u800c\uff0cJava\u7684\u5783\u573e\u56de\u6536\u673a\u5236\u5e76\u4e0d\u4fdd\u8bc1\u7acb\u5373\u91ca\u653e\u8d85\u51fa\u4f5c\u7528\u57df\u7684Java\u5bf9\u8c61\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5e95\u5c42C++\u5bf9\u8c61\u7684\u91ca\u653e\u5ef6\u8fdf\uff0c\u8fdb\u800c\u5f71\u54cd\u5185\u5b58\u548cCPU\u7684\u4f7f\u7528\u6548\u7387\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-medium-font-size\">\u624b\u52a8\u8c03\u7528delete\u65b9\u6cd5<\/h4>\n\n\n\n<p class=\"has-medium-font-size\">\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u663e\u5f0f\u8c03\u7528delete\u65b9\u6cd5\uff0c\u4ee5\u786e\u4fdd\u53ca\u65f6\u91ca\u653eC++\u5bf9\u8c61\uff0c\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002\u8fd9\u79cd\u65b9\u5f0f\u7279\u522b\u9002\u7528\u4e8e\u8d44\u6e90\u7ba1\u7406\u8981\u6c42\u4e25\u683c\u7684\u573a\u666f\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u80fd\u591f\u6709\u6548\u51cf\u5c11\u5185\u5b58\u5360\u7528\u548cCPU\u8d1f\u8f7d\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-medium-font-size\">\u4f9d\u8d56\u5783\u573e\u56de\u6536\u673a\u5236<\/h4>\n\n\n\n<p class=\"has-medium-font-size\">\u5982\u679c\u4e0d\u663e\u5f0f\u8c03\u7528delete\u65b9\u6cd5\uff0cJava\u7684\u5783\u573e\u56de\u6536\u673a\u5236\u4f1a\u5728\u56de\u6536Java\u5bf9\u8c61\u65f6\u81ea\u52a8\u8c03\u7528delete\u6765\u91ca\u653e\u5173\u8054\u7684C++\u5bf9\u8c61\u3002\u7136\u800c\uff0c\u5783\u573e\u56de\u6536\u7684\u65f6\u673a\u4e0d\u786e\u5b9a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4C++\u5bf9\u8c61\u957f\u65f6\u95f4\u5360\u7528\u5185\u5b58\u3002\u56e0\u6b64\uff0c\u5728\u9ad8\u5e76\u53d1\u6216\u8d44\u6e90\u654f\u611f\u7684\u573a\u666f\u4e0b\uff0c\u5efa\u8bae\u907f\u514d\u5b8c\u5168\u4f9d\u8d56\u5783\u573e\u56de\u6536\u673a\u5236\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-medium-font-size\">\u4e0d\u63a8\u8350\uff1a\u4f9d\u8d56finalize\u65b9\u6cd5\u91ca\u653e\u8d44\u6e90<\/h4>\n\n\n\n<p class=\"has-medium-font-size\">finalize\u662fjava.lang.Object\u7c7b\u4e2d\u7684\u4e00\u4e2a\u53d7\u4fdd\u62a4\u65b9\u6cd5\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u5bf9\u8c61\u88ab\u5783\u573e\u56de\u6536\u524d\u6267\u884c\u6e05\u7406\u64cd\u4f5c\u3002\u5c3d\u7ba1\u5728Java SDK\u4e2d\u5b9e\u73b0\u4e86finalize\u65b9\u6cd5\u6765\u91ca\u653e\u5173\u8054\u7684C++\u5bf9\u8c61\uff0c\u4f46\u5783\u573e\u56de\u6536\u5668\u8c03\u7528finalize\u7684\u65f6\u673a\u4e0d\u53ef\u9884\u6d4b\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8d44\u6e90\u91ca\u653e\u5ef6\u8fdf\u3002\u56e0\u6b64\uff0c\u4e0d\u5efa\u8bae\u4f9d\u8d56finalize\u65b9\u6cd5\u6765\u7ba1\u7406C++\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-medium-font-size\"><code>protected void finalize() {\n    delete();\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading has-medium-font-size\">\u63a8\u8350\uff1a\u624b\u52a8\u91ca\u653eC++\u5bf9\u8c61<\/h4>\n\n\n\n<p class=\"has-medium-font-size\">\u4e3a\u4e86\u786e\u4fdd\u8d44\u6e90\u91ca\u653e\u7684\u53ef\u63a7\u6027\uff0c\u5efa\u8bae\u5f00\u53d1\u8005\u624b\u52a8\u8c03\u7528delete\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u6b63\u786e\u7684\u91ca\u653e\u987a\u5e8f<\/strong>\uff1a\u5728\u91ca\u653e\u5bf9\u8c61\u65f6\uff0c\u5e94\u9075\u5faa\u5148\u91ca\u653e\u5b50\u5bf9\u8c61\u518d\u91ca\u653e\u7236\u5bf9\u8c61\u7684\u539f\u5219\u3002\u4f8b\u5982\uff0c\u5728\u91ca\u653edoc\u4e4b\u524d\uff0c\u5e94\u5148\u91ca\u653epage\uff0c\u56e0\u4e3apage\u662f\u5728doc\u4e2d\u521b\u5efa\u7684\uff0c\u5b58\u5728\u4f9d\u8d56\u5173\u7cfb\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code has-medium-font-size\"><code>\/\/ \u793a\u4f8b1\uff1a\u4e0d\u63a8\u8350\nPDFDoc doc = new PDFDoc(absolutePath);\ndoc.load(null);\nPDFPage page = doc.getPage(0);\nAnnot annot = page.addAnnot(Annot.e_Link, rectF);\nLink link = new Link(annot);\nannot.delete();\nlink.delete();\ndoc.delete();\npage.delete();\n\n\/\/ \u793a\u4f8b2\uff1a\u63a8\u8350\nPDFDoc doc = new PDFDoc(absolutePath);\ndoc.load(null);\nPDFPage page = doc.getPage(0);\nAnnot annot = page.addAnnot(Annot.e_Link, rectF);\nLink link = new Link(annot);\nlink.delete();\nannot.delete();\npage.delete();\ndoc.delete();<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u907f\u514d\u94fe\u5f0f\u8c03\u7528<\/strong>\uff1a\u94fe\u5f0f\u8c03\u7528\u53ef\u80fd\u5bfc\u81f4\u5bf9\u8c61\u5f15\u7528\u8ba1\u6570\u589e\u52a0\uff0c\u4ece\u800c\u5ef6\u8fdf\u5bf9\u8c61\u7684\u91ca\u653e\u3002\u5efa\u8bae\u5728\u6bcf\u6b21\u8c03\u7528GetDocument\u540e\u663e\u5f0f\u91ca\u653e\u8fd4\u56de\u7684\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u793a\u4f8b3\uff1a\u4e0d\u63a8\u8350\nPDFDoc doc = new PDFDoc(absolutePath);\ndoc.load(null);\nPDFPage page = doc.getPage(0);\n...\nint count = page.GetDocument().getPageCount();\n...\npage.delete();\ndoc.delete();\n\n\/\/ \u793a\u4f8b4\uff1a\u63a8\u8350\nPDFDoc doc = new PDFDoc(absolutePath);\ndoc.load(null);\nPDFPage page = doc.getPage(0);\n...\nPDFDoc temp_doc = page.GetDocument();\nint count = temp_doc.getPageCount();\ntemp_doc.delete();\n...\npage.delete();\ndoc.delete();<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>Form.removeField\u540e\u7684\u8d44\u6e90\u91ca\u653e<\/strong>\uff1a\u5728\u8c03\u7528form.removeField(field)\u540e\uff0c\u4ecd\u9700\u663e\u5f0f\u8c03\u7528field.delete()\u6765\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n\n\n\n<li class=\"has-medium-font-size\"><strong>\u7279\u6b8a\u5bf9\u8c61\u7684\u5904\u7406<\/strong>\uff1a\u5bf9\u4e8ePDFObject\u3001PDFStream\u3001PDFArray\u548cPDFDictionary\u7b49\u5bf9\u8c61\uff0c\u5982\u679c\u5b83\u4eec\u88ab\u6dfb\u52a0\u5230PDFDoc\u4e2d\uff0c\u5219\u65e0\u9700\u624b\u52a8\u91ca\u653e\uff0c\u5b83\u4eec\u7684\u751f\u547d\u5468\u671f\u7531PDFDoc\u7ba1\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<p class=\"has-medium-font-size\">\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u7b56\u7565\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406Java SDK\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u5185\u5b58\u548cCPU\u8d44\u6e90\uff0c\u907f\u514d\u6f5c\u5728\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u80cc\u666f \u5728Java SDK\u4e2d\uff0c\u901a\u8fc7SWIG\u6280\u672f\u751f\u6210\u7684Java\u5305\u88c5\u7c7b\u8d1f\u8d23\u7ba1\u7406\u5e95\u5c42C++\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002\u8fd9\u4e9bJava [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77],"tags":[409,294,410,296,298,290,412,299,291,295,300,413,411,292],"class_list":{"0":"post-4496","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-gsdk","7":"tag-c","9":"tag-cpu","10":"tag-delete","11":"tag-finalize","12":"tag-java","13":"tag-swig","14":"tag-299","15":"tag-291","16":"tag-295","17":"tag-gc","18":"tag-413","19":"tag-411","20":"tag-292"},"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\/4496","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\/29"}],"replies":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4496"}],"version-history":[{"count":9,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/4496\/revisions"}],"predecessor-version":[{"id":4905,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/4496\/revisions\/4905"}],"wp:attachment":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}