{"id":1028,"date":"2024-11-17T05:07:11","date_gmt":"2024-11-17T05:07:11","guid":{"rendered":"http:\/\/www.nokws.top\/?p=1028"},"modified":"2024-11-17T05:07:12","modified_gmt":"2024-11-17T05:07:12","slug":"javaleidejiazai","status":"publish","type":"post","link":"http:\/\/www.nokws.top\/index.php\/2024\/11\/17\/javaleidejiazai\/","title":{"rendered":"Java\u7c7b\u7684\u52a0\u8f7d"},"content":{"rendered":"\n<p><strong>0x01 \u7c7b\u52a0\u8f7d\u7684\u6b65\u9aa4<\/strong><\/p>\n\n\n\n<p>\u5305\u62ec\u52a0\u8f7d\u3001\u8fde\u63a5\u548c\u521d\u59cb\u5316<br>\u52a0\u8f7d\uff1a\u52a0\u8f7d\u6587\u4ef6\u5199\u5165\u5185\u5b58\uff0c\u521b\u5efajava.lang.class\u5bf9\u8c61<br>\u8fde\u63a5\uff1a\u7c7b\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u5408\u5e76\u5165jre<br>\u521d\u59cb\u5316\uff1afield\u521d\u59cb\u5316\uff0c\u521d\u59cb\u5316\u7236\u7c7b\u3001\u6267\u884c\u521d\u59cb\u5316\u8bed\u53e5\u7b49<\/p>\n\n\n\n<p><strong>0x02 \u7c7b\u52a0\u8f7d\u5668<\/strong><\/p>\n\n\n\n<p><strong><strong>Bootstrap ClassLoader\uff1a\u6839\u7c7b\uff08\u6216\u53eb\u542f\u52a8\u3001\u5f15\u5bfc\u7c7b\u52a0\u8f7d\u5668\uff09\u52a0\u8f7d\u5668<\/strong><\/strong><br>\u52a0\u8f7djava\u6838\u5fc3\u7c7b\uff0c\u539f\u751fC++<\/p>\n\n\n\n<p><strong><strong>Extension ClassLoader\uff1a\u6269\u5c55\u7c7b\u52a0\u8f7d\u5668<\/strong><\/strong><br>\u52a0\u8f7djar\u5305\u4e2d\u7684\u7c7b<\/p>\n\n\n\n<p><strong>System ClassLoader\uff08\u6216Application ClassLoader\uff09\uff1a\u7cfb\u7edf\u7c7b\u52a0\u8f7d\u5668<\/strong><br>java xxx -classspath\uff0cjava.class.path<\/p>\n\n\n\n<p>\u4e09\u4e2a\u673a\u5236<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5168\u76d8\u8d1f\u8d23\uff1a\u5f53\u4e00\u4e2a\u7c7b\u52a0\u8f7d\u5668\u52a0\u8f7d\u67d0\u4e2aClass\u65f6\uff0c\u8be5Class\u6240\u4f9d\u8d56\u548c\u5f15\u7528\u7684\u5176\u5b83Class\u4e5f\u5c06\u7531\u8be5\u7c7b\u52a0\u8f7d\u5668\u8d1f\u8d23\u8f7d\u5165\uff0c\u9664\u975e\u663e\u5f0f\u7684\u4f7f\u7528\u53e6\u5916\u4e00\u4e2a\u7c7b\u52a0\u8f7d\u5668\u6765\u8f7d\u5165\u3002<\/li>\n\n\n\n<li>\u53cc\u4eb2\u59d4\u6d3e\uff1a\u5f53\u4e00\u4e2a\u7c7b\u52a0\u8f7d\u5668\u6536\u5230\u4e86\u7c7b\u52a0\u8f7d\u8bf7\u6c42\uff0c\u5b83\u4f1a\u628a\u8fd9\u4e2a\u8bf7\u6c42\u59d4\u6d3e\u7ed9\u7236\u7c7b\u52a0\u8f7d\u5668\u53bb\u5b8c\u6210\uff0c\u4f9d\u6b21\u9012\u5f52\uff0c\u56e0\u6b64\u6240\u6709\u7684\u52a0\u8f7d\u8bf7\u6c42\u6700\u7ec8\u90fd\u88ab\u4f20\u9001\u5230\u9876\u5c42\u7684<strong>\u542f\u52a8\u7c7b\u52a0\u8f7d\u5668<\/strong>\u4e2d\u3002\u53ea\u6709\u5728\u7236\u7c7b\u52a0\u8f7d\u5668\u65e0\u6cd5\u52a0\u8f7d\u8be5\u7c7b\u65f6\u5b50\u7c7b\u624d\u5c1d\u8bd5\u4ece\u81ea\u5df1\u7c7b\u7684\u8def\u5f84\u4e2d\u52a0\u8f7d\u8be5\u7c7b\u3002\uff08\u6ce8\u610f\uff1a\u7c7b\u52a0\u8f7d\u5668\u4e2d\u7684\u7236\u5b50\u5173\u7cfb\u5e76\u4e0d\u662f\u7c7b\u7ee7\u627f\u4e0a\u7684\u7236\u5b50\u5173\u7cfb\uff0c\u800c\u662f<strong>\u7c7b\u52a0\u8f7d\u5668\u5b9e\u4f8b\u4e4b\u95f4\u7684\u5173\u7cfb<\/strong>\u3002\uff09<\/li>\n\n\n\n<li>\u7f13\u5b58\u673a\u5236\uff1a\u7f13\u5b58\u673a\u5236\u4f1a\u4fdd\u8bc1\u6240\u6709\u52a0\u8f7d\u8fc7\u7684Class\u90fd\u4f1a\u88ab\u7f13\u5b58\uff0c\u5f53\u7a0b\u5e8f\u4e2d\u9700\u8981\u4f7f\u7528\u67d0\u4e2a\u7c7b\u65f6\uff0c\u7c7b\u52a0\u8f7d\u5668\u5148\u4ece\u7f13\u51b2\u533a\u4e2d\u641c\u5bfb\u8be5\u7c7b\uff0c\u82e5\u641c\u5bfb\u4e0d\u5230\u5c06\u8bfb\u53d6\u8be5\u7c7b\u7684\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u5e76\u8f6c\u6362\u6210Class\u5bf9\u8c61\u5b58\u5165\u7f13\u51b2\u533a\u4e2d\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u4fee\u6539\u4e86Class\u540e\u9700\u91cd\u542fJVM\u624d\u80fd\u751f\u6548\u7684\u539f\u56e0\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>0x01 \u7c7b\u52a0\u8f7d\u7684\u6b65\u9aa4 \u5305\u62ec\u52a0\u8f7d\u3001\u8fde\u63a5\u548c\u521d\u59cb\u5316\u52a0\u8f7d\uff1a\u52a0\u8f7d\u6587\u4ef6\u5199\u5165\u5185\u5b58\uff0c\u521b\u5efajava.lang.class\u5bf9\u8c61\u8fde [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1028","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/1028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/comments?post=1028"}],"version-history":[{"count":1,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/1028\/revisions"}],"predecessor-version":[{"id":1029,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/1028\/revisions\/1029"}],"wp:attachment":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/media?parent=1028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/categories?post=1028"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/tags?post=1028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}