{"id":1463,"date":"2022-04-04T19:11:17","date_gmt":"2022-04-04T11:11:17","guid":{"rendered":"https:\/\/aotxland.com\/?p=1463"},"modified":"2022-04-04T19:11:17","modified_gmt":"2022-04-04T11:11:17","slug":"java-jna","status":"publish","type":"post","link":"https:\/\/aotxland.com\/archives\/java-jna.html","title":{"rendered":"Java\u4f7f\u7528JNA\u8bbf\u95ee\u672c\u5730\u5e93"},"content":{"rendered":"<p>JNA\uff08Java Native Access \uff09\u662f\u4e00\u4e2a\u57fa\u4e8eJNI\u7684\u5f00\u6e90\u5e93\uff0c\u80fd\u6709\u6548\u63d0\u9ad8Java\u8bbf\u95ee\u8c03\u7528\u672c\u5730\u5e93\u7684\u6548\u7387\u3002<\/p>\n<h2>\u5b98\u65b9\u4ecb\u7ecd<\/h2>\n<blockquote>\n<p>JNA \u4e3a Java \u7a0b\u5e8f\u63d0\u4f9b\u4e86\u5bf9\u672c\u673a\u5171\u4eab\u5e93\u7684\u8f7b\u677e\u8bbf\u95ee\uff0c\u800c\u65e0\u9700\u7f16\u5199\u9664 Java \u4ee3\u7801\u4e4b\u5916\u7684\u4efb\u4f55\u5185\u5bb9 - \u4e0d\u9700\u8981 JNI \u6216\u672c\u673a\u4ee3\u7801\u3002\u6b64\u529f\u80fd\u53ef\u4e0eWindows\u7684Platform \/Invoke\u548cPython\u7684ctype\u76f8\u5ab2\u7f8e\u3002<\/p>\n<p>JNA \u5141\u8bb8\u60a8\u4f7f\u7528\u81ea\u7136 Java \u65b9\u6cd5\u8c03\u7528\u76f4\u63a5\u8c03\u7528\u672c\u673a\u51fd\u6570\u3002Java \u8c03\u7528\u770b\u8d77\u6765\u5c31\u50cf\u672c\u673a\u4ee3\u7801\u4e2d\u7684\u8c03\u7528\u4e00\u6837\u3002\u5927\u591a\u6570\u547c\u53eb\u4e0d\u9700\u8981\u7279\u6b8a\u5904\u7406\u6216\u914d\u7f6e;\u4e0d\u9700\u8981\u6837\u677f\u6216\u751f\u6210\u7684\u4ee3\u7801\u3002<\/p>\n<p>JNA \u4f7f\u7528\u4e00\u4e2a\u5c0f\u578b JNI \u5e93\u5b58\u6839\u6765\u52a8\u6001\u8c03\u7528\u672c\u673a\u4ee3\u7801\u3002\u5f00\u53d1\u4eba\u5458\u4f7f\u7528 Java \u63a5\u53e3\u6765\u63cf\u8ff0\u76ee\u6807\u672c\u673a\u5e93\u4e2d\u7684\u51fd\u6570\u548c\u7ed3\u6784\u3002\u8fd9\u4f7f\u5f97\u5229\u7528\u672c\u673a\u5e73\u53f0\u529f\u80fd\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\uff0c\u800c\u4e0d\u4f1a\u4ea7\u751f\u4e3a\u591a\u4e2a\u5e73\u53f0\u914d\u7f6e\u548c\u6784\u5efa JNI \u4ee3\u7801\u7684\u9ad8\u5f00\u9500\u3002\u9605\u8bfb\u6b64\u66f4\u6df1\u5165\u7684\u63cf\u8ff0\u3002<\/p>\n<\/blockquote>\n<h2>\u4f7f\u7528\u65b9\u6cd5<\/h2>\n<pre><code class=\"language-java\">import com.sun.jna.Library;\nimport com.sun.jna.Native;\npublic interface JnaDemo extends Library {\n    JnaDemo INSTANCE = (JnaDemo) Native.loadLibrary(&quot;demo&quot;,JnaDemo.class);\n    \/\/demo\u5904\u5199\u9700\u8981\u8c03\u7528\u7684\u52a8\u6001\u5e93\u540d\u5b57\uff0c\u4e0d\u5199.so\u6216.dll\n    ...\n    \/\/\u6b64\u5904\u5199\u9700\u8981\u8c03\u7528\u7684\u5e93\u51fd\u6570\uff0c\u6ce8\u610f\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u5e94\u5173\u7cfb\n}<\/code><\/pre>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u540c\u65f6\u52a0\u8f7d\u591a\u4e2a\u52a8\u6001\u5e93\uff0c\u4e0d\u8981\u51fa\u73b0\u540c\u540d\u7684\u51fd\u6570\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u51fa\u73b0\u81f4\u547d\u9519\u8bef\u3002<\/li>\n<li>C++\u4e0eJava\u7c7b\u578b\u7684\u5bf9\u5e94\u5173\u7cfb\u4e00\u5b9a\u8981\u5199\u5bf9\uff0c\u5426\u5219\u4e5f\u4f1a\u51fa\u73b0\u81f4\u547d\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p>\u5f85\u7eed<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JNA\uff08Java Native Access \uff09\u662f\u4e00\u4e2a\u57fa\u4e8eJNI\u7684\u5f00\u6e90\u5e93\uff0c\u80fd\u6709\u6548\u63d0\u9ad8Java\u8bbf\u95ee\u8c03\u7528\u672c\u5730\u5e93\u7684\u6548 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[22,25],"class_list":["post-1463","post","type-post","status-publish","format-standard","hentry","category-tech","tag-java","tag-jna"],"_links":{"self":[{"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/posts\/1463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/comments?post=1463"}],"version-history":[{"count":0,"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/posts\/1463\/revisions"}],"wp:attachment":[{"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/media?parent=1463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/categories?post=1463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aotxland.com\/wp-json\/wp\/v2\/tags?post=1463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}