{"id":2723,"date":"2018-04-29T17:36:38","date_gmt":"2018-04-29T09:36:38","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=2723"},"modified":"2018-04-29T17:36:38","modified_gmt":"2018-04-29T09:36:38","slug":"filesystemresource-%e5%92%8c-classpathresource-%e4%bb%a5%e5%8f%8a-servletcontextresource-%e8%8e%b7%e5%8f%96%e8%b5%84%e6%ba%90%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=2723","title":{"rendered":"FileSystemResource \u548c ClassPathResource \u4ee5\u53ca ServletContextResource \u83b7\u53d6\u8d44\u6e90\u7528\u6cd5"},"content":{"rendered":"<p>\n\tFileSystemResource \u548c ClassPathResource \u662f java \u4e2d\u6bd4\u8f83\u5e38\u89c1\u7684\u4e24\u4e2a\u83b7\u53d6\u8d44\u6e90\u7684\u7c7b\u3002\u9664\u4e86\u4ed6\u4eec\u4e24\u4e2a\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u4e5f\u6bd4\u8f83\u5e38\u7528\u3002\u90a3\u5c31\u662f&nbsp;ServletContextResource\u3002\u672c\u6587\u4ecb\u7ecd\u4ed6\u4eec\u4e09\u4e2a\u7684\u7528\u6cd5\u3002\n<\/p>\n<p>\n\tFileSystemResource \u662f Spring \u63d0\u4f9b\u7684\u8d44\u6e90\u8bbf\u95ee\u7c7b\u3002FileSystemResource \u7c7b\u76f8\u6bd4\u5176\u4ed6\u4e24\u4e2a\u8d44\u6e90\u8bbf\u95ee\u7c7b\uff0c\u6ca1\u6709\u4ec0\u4e48\u4f18\u52bf\uff0c\u5b83\u53ea\u662f\u5728 File \u7c7b\u7684\u57fa\u7840\u4e0a\u7565\u4f5c\u5c01\u88c5\u3002\n<\/p>\n<pre class=\"brush:java;\">\r\n\/*\u9ed8\u8ba4\u4ece\u6587\u4ef6\u7cfb\u7edf\u7684\u5f53\u524d\u8def\u5f84\u52a0\u8f7dxttblog.xml\u8d44\u6e90*\/\r\nFileSystemResource fsr = new FileSystemResource(&quot;xttblog.xml&quot;);<\/pre>\n<p>\n\tFileSystemResource \u5b9e\u4f8b\u53ef\u4f7f\u7528 FileSystemResource \u6784\u9020\u5668\u663e\u793a\u5730\u521b\u5efa\uff0c\u4f46\u66f4\u591a\u7684\u65f6\u5019\u5b83\u90fd\u662f\u9690\u5f0f\u521b\u5efa\u3002\u6267\u884c Spring \u7684\u67d0\u4e2a\u65b9\u6cd5\u65f6\uff0c\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u4ee3\u8868\u8d44\u6e90\u8def\u5f84\u7684\u5b57\u7b26\u4e32\u53c2\u6570\uff0c\u5f53 Spring \u8bc6\u522b\u8be5\u5b57\u7b26\u4e32\u53c2\u6570\u4e2d\u5305\u542bfile:\u524d\u7f00\u540e\uff0c\u7cfb\u7edf\u5c06\u4f1a\u81ea\u52a8\u521b\u5efaFileSystemResource \u5bf9\u8c61\u3002\n<\/p>\n<p>\n\tClassPathResource \u4e5f\u662f Spring \u6846\u67b6\u63d0\u4f9b\u7684\u7c7b\u3002\u5229\u7528ClassPathResource\u8bfb\u53d6xml\u914d\u7f6e\u7684\u57fa\u672c\u601d\u8def\u5c31\u662f\u901a\u8fc7\u6784\u9020\u51fd\u6570\u4f20\u5165\u7684\u6587\u4ef6\u8def\u5f84\uff0c\u63a5\u7740\u4ea4\u7ed9class\u6216\u8005classLoader\uff0c\u8c03\u7528getResourceAsStream\u83b7\u53d6\u5230InputStream\u3002\n<\/p>\n<p>\n\tFileSystemResource \u548c ClassPathResource \u7684\u7528\u6cd5\u5982\u4e0b\uff1a\n<\/p>\n<pre class=\"brush:java;\">\r\nString filePath = &quot;D:\/com\/xttblog.txt&quot;;\r\n\/\/\u4f7f\u7528\u7cfb\u7edf\u6587\u4ef6\u8def\u5f84\u65b9\u5f0f\u52a0\u8f7d\u6587\u4ef6\r\nResource res1 = new FileSystemResource(filePath);\r\n\/\/\u4f7f\u7528\u7c7b\u8def\u5f84\u65b9\u5f0f\u52a0\u8f7d\u6587\u4ef6\r\nResource res2 = new ClassPathResource(&quot;conf\/xttblog.txt&quot;);\r\nInputStream ins1 = res1.getInputStream();\r\nInputStream ins2 = res2.getInputStream();\r\ngetFileName();\/\/\u83b7\u53d6\u6587\u4ef6\u540d\r\ngetFile();\/\/\u83b7\u53d6\u8d44\u6e90\u5bf9\u5e94\u7684File\u5bf9\u8c61\r\ngetInputStream();\/\/\u83b7\u53d6\u6587\u4ef6\u7684\u8f93\u5165\u6d41\r\ncreateRelative(String relativePath);\/\/\u5728\u76f8\u5bf9\u5730\u5740\u521b\u5efa\u65b0\u6587\u4ef6\r\n\r\nEncodedResource encRes = new EncodedResource(res, &quot;UTF-8&quot;);\r\nString content = FileCopyUtils.copyToString(encRes.getReader());\r\n\r\nResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();\r\nResource resources[] = resolver.getResources(&quot;classpath*:\/\/com\/***\/*.xml&quot;);\r\nFor(Resource resource : resources){\r\n   System.out.println(resource.getDescription);\r\n}<\/pre>\n<p>\n\tClassPathResource\u3001 FileSystemResource\u3001InputStreamResource\u3001ServletContextResource\u3001 UrlResource \u7684\u533a\u522b\u5982\u4e0b\uff1a\n<\/p>\n<ul>\n<li>\n\t\tClassPathResource \u4ece\u7cfb\u7edf\u7684\u7c7b\u8def\u5f84\u4e2d\u52a0\u8f7d&nbsp;\n\t<\/li>\n<li>\n\t\tFileSystemResource \u4ece\u6587\u4ef6\u7cfb\u7edf\u52a0\u8f7d\uff0c\u6bd4\u5982\u8bf4\u81ea\u5df1\u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u7684\u5168\u8def\u5f84&nbsp;\n\t<\/li>\n<li>\n\t\tInputStreamResource \u4ece\u8f93\u5165\u6d41\u4e2d\u52a0\u8f7d&nbsp;\n\t<\/li>\n<li>\n\t\tServletContextResource \u4eceServlet \u4e0a\u4e0b\u6587\u73af\u5883\u4e2d\u52a0\u8f7d&nbsp;\n\t<\/li>\n<li>\n\t\tUrlResource \u4ece\u6307\u5b9a\u7684Url\u52a0\u8f7d\n\t<\/li>\n<\/ul>\n<p>\n\tClass.getResource(&quot;&quot;)\u83b7\u53d6\u7684\u662f\u76f8\u5bf9\u4e8e\u5f53\u524d\u7c7b\u7684\u76f8\u5bf9\u8def\u5f84\u3002Class.getResource(&quot;\uff0f&quot;)\u83b7\u53d6\u7684\u662fclasspath\u7684\u6839\u8def\u5f84\u3002ClassLoader.getResource(&quot;&quot;)\u83b7\u53d6\u7684\u662fclasspath\u7684\u6839\u8def\u5f84\u3002\n<\/p>\n<p>\n\t\u5728\u521b\u5efaClassPathResource\u5bf9\u8c61\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u662f\u6309Class\u7684\u76f8\u5bf9\u8def\u5f84\u83b7\u53d6\u6587\u4ef6\u8fd8\u662f\u6309ClassLoader\u6765\u83b7\u53d6\u3002\n<\/p>\n<p>\n\tFileSystemResource \u6548\u679c\u7c7b\u4f3c\u4e8eJava\u4e2d\u7684File<br \/>\n\tClassPathResource \u6548\u679c\u7c7b\u4f3c\u4e8ethis.getClass().getResource(&quot;\/&quot;).getPath();<br \/>\n\tServletContextResource \u6548\u679c\u7c7b\u4f3c\u4e8erequest.getServletContext().getRealPath(&quot;&quot;);<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=2723\">FileSystemResource \u548c ClassPathResource \u4ee5\u53ca ServletContextResource \u83b7\u53d6\u8d44\u6e90\u7528\u6cd5<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>FileSystemResource \u548c ClassPathResource \u662f java \u4e2d\u6bd4\u8f83\u5e38\u89c1\u7684\u4e24\u4e2a\u83b7 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[991,551,587,588,919],"class_list":["post-2723","post","type-post","status-publish","format-standard","hentry","category-java","tag-shiro-spring","tag-spring","tag-spring-boot","tag-spring-cloud","tag-spring-io-platform"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2723"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2723\/revisions"}],"predecessor-version":[{"id":2724,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2723\/revisions\/2724"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}