{"id":10008204,"date":"2023-08-31T16:00:34","date_gmt":"2023-08-31T08:00:34","guid":{"rendered":"https:\/\/blog.itmax.cn\/?p=10008204"},"modified":"2023-08-31T16:00:34","modified_gmt":"2023-08-31T08:00:34","slug":"%e6%b5%85%e6%9e%90java-spi%e6%9c%ba%e5%88%b6-%e4%ba%ac%e4%b8%9c%e4%ba%91%e6%8a%80%e6%9c%af%e5%9b%a2%e9%98%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008204","title":{"rendered":"\u6d45\u6790Java &#8211; SPI\u673a\u5236 | \u4eac\u4e1c\u4e91\u6280\u672f\u56e2\u961f"},"content":{"rendered":"<h2>SPI\u662f\u4ec0\u4e48<\/h2>\n<p>SPI\u5168\u79f0Service Provider Interface\uff0c\u662fJava\u63d0\u4f9b\u7684\u4e00\u5957\u7528\u6765\u88ab\u7b2c\u4e09\u65b9\u5b9e\u73b0\u6216\u8005\u6269\u5c55\u7684API\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u542f\u7528\u6846\u67b6\u6269\u5c55\u548c\u66ff\u6362\u7ec4\u4ef6\u3002  <br \/>\u6574\u4f53\u673a\u5236\u5982\u4e0b\u56fe  <br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044169299\" alt=\"image.png\" title=\"image.png\">  <br \/>Java SPI \u5b9e\u9645\u4e0a\u662f\u201c\u57fa\u4e8e\u63a5\u53e3\u7684\u7f16\u7a0b\uff0b\u7b56\u7565\u6a21\u5f0f\uff0b\u914d\u7f6e\u6587\u4ef6\u201d\u7ec4\u5408\u5b9e\u73b0\u7684\u52a8\u6001\u52a0\u8f7d\u673a\u5236\u3002<\/p>\n<h2>\u4f7f\u7528\u573a\u666f<\/h2>\n<p>\u9002\u7528\u4e8e\uff1a\u8c03\u7528\u8005\u6839\u636e\u5b9e\u9645\u4f7f\u7528\u9700\u8981\uff0c\u542f\u7528\u3001\u6269\u5c55\u3001\u6216\u8005\u66ff\u6362\u6846\u67b6\u7684\u5b9e\u73b0\u7b56\u7565  <br \/>\u6bd4\u8f83\u5e38\u89c1\u7684\u4f8b\u5b50\uff1a<\/p>\n<ul>\n<li>\u6570\u636e\u5e93\u9a71\u52a8\u52a0\u8f7d\u63a5\u53e3\u5b9e\u73b0\u7c7b\u7684\u52a0\u8f7d\uff0cJDBC\u52a0\u8f7d\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u5e93\u7684\u9a71\u52a8<\/li>\n<li>\u65e5\u5fd7\u95e8\u9762\u63a5\u53e3\u5b9e\u73b0\u7c7b\u52a0\u8f7d\uff0cSLF4J\u52a0\u8f7d\u4e0d\u540c\u63d0\u4f9b\u5546\u7684\u65e5\u5fd7\u5b9e\u73b0\u7c7b<\/li>\n<li>Spring\u4e2d\u5927\u91cf\u4f7f\u7528\u4e86SPI,\u6bd4\u5982\uff1a\u5bf9servlet3.0\u89c4\u8303\u5bf9ServletContainerInitializer\u7684\u5b9e\u73b0\u3001\u81ea\u52a8\u7c7b\u578b\u8f6c\u6362Type Conversion SPI(Converter SPI\u3001Formatter SPI)\u7b49<\/li>\n<li>Dubbo\u4e2d\u4e5f\u5927\u91cf\u4f7f\u7528SPI\u7684\u65b9\u5f0f\u5b9e\u73b0\u6846\u67b6\u7684\u6269\u5c55, \u4e0d\u8fc7\u5b83\u5bf9Java\u63d0\u4f9b\u7684\u539f\u751fSPI\u505a\u4e86\u5c01\u88c5\uff0c\u5141\u8bb8\u7528\u6237\u6269\u5c55\u5b9e\u73b0Filter\u63a5\u53e3<\/li>\n<\/ul>\n<h2>\u4f7f\u7528\u4ecb\u7ecd<\/h2>\n<p>\u8981\u4f7f\u7528Java SPI\uff0c\u9700\u8981\u9075\u5faa\u5982\u4e0b\u7ea6\u5b9a\uff1a<\/p>\n<ul>\n<li>\u5f53\u670d\u52a1\u63d0\u4f9b\u8005\u63d0\u4f9b\u4e86\u63a5\u53e3\u7684\u4e00\u79cd\u5177\u4f53\u5b9e\u73b0\u540e\uff0c\u5728jar\u5305\u7684META-INF\/services\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u4ee5\u201c\u63a5\u53e3\u5168\u9650\u5b9a\u540d\u201d\u4e3a\u547d\u540d\u7684\u6587\u4ef6\uff0c\u5185\u5bb9\u4e3a\u5b9e\u73b0\u7c7b\u7684\u5168\u9650\u5b9a\u540d\uff1b<\/li>\n<li>\u63a5\u53e3\u5b9e\u73b0\u7c7b\u6240\u5728\u7684jar\u5305\u653e\u5728\u4e3b\u7a0b\u5e8f\u7684classpath\u4e2d\uff1b<\/li>\n<li>\u4e3b\u7a0b\u5e8f\u901a\u8fc7java.util.ServiceLoder\u52a8\u6001\u88c5\u8f7d\u5b9e\u73b0\u6a21\u5757\uff0c\u5b83\u901a\u8fc7\u626b\u63cfMETA-INF\/services\u76ee\u5f55\u4e0b\u7684\u914d\u7f6e\u6587\u4ef6\u627e\u5230\u5b9e\u73b0\u7c7b\u7684\u5168\u9650\u5b9a\u540d\uff0c\u628a\u7c7b\u52a0\u8f7d\u5230JVM\uff1b<\/li>\n<li>SPI\u7684\u5b9e\u73b0\u7c7b\u5fc5\u987b\u643a\u5e26\u4e00\u4e2a\u4e0d\u5e26\u53c2\u6570\u7684\u6784\u9020\u65b9\u6cd5\uff1b<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<ul>\n<li>\u4f18\u70b9\uff1a\u4f7f\u7528Java SPI\u673a\u5236\u7684\u4f18\u52bf\u662f\u5b9e\u73b0\u89e3\u8026\uff0c\u4f7f\u5f97\u7b2c\u4e09\u65b9\u670d\u52a1\u6a21\u5757\u7684\u88c5\u914d\u63a7\u5236\u7684\u903b\u8f91\u4e0e\u8c03\u7528\u8005\u7684\u4e1a\u52a1\u4ee3\u7801\u5206\u79bb\uff0c\u800c\u4e0d\u662f\u8026\u5408\u5728\u4e00\u8d77\u3002\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u60c5\u51b5\u542f\u7528\u6846\u67b6\u6269\u5c55\u6216\u66ff\u6362\u6846\u67b6\u7ec4\u4ef6\u3002<\/li>\n<li>\n<p>\u7f3a\u70b9\uff1a<\/p>\n<ol>\n<li>\u867d\u7136ServiceLoader\u4e5f\u7b97\u662f\u4f7f\u7528\u7684\u5ef6\u8fdf\u52a0\u8f7d\uff0c\u4f46\u662f\u57fa\u672c\u53ea\u80fd\u901a\u8fc7\u904d\u5386\u5168\u90e8\u83b7\u53d6\uff0c\u4e5f\u5c31\u662f\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\u5168\u90e8\u52a0\u8f7d\u5e76\u5b9e\u4f8b\u5316\u4e00\u904d\u3002\u5982\u679c\u4f60\u5e76\u4e0d\u60f3\u7528\u67d0\u4e9b\u5b9e\u73b0\u7c7b\uff0c\u5b83\u4e5f\u88ab\u52a0\u8f7d\u5e76\u5b9e\u4f8b\u5316\u4e86\uff0c\u8fd9\u5c31\u9020\u6210\u4e86\u6d6a\u8d39\u3002\u83b7\u53d6\u67d0\u4e2a\u5b9e\u73b0\u7c7b\u7684\u65b9\u5f0f\u4e0d\u591f\u7075\u6d3b\uff0c\u53ea\u80fd\u901a\u8fc7Iterator\u5f62\u5f0f\u83b7\u53d6\uff0c\u4e0d\u80fd\u6839\u636e\u67d0\u4e2a\u53c2\u6570\u6765\u83b7\u53d6\u5bf9\u5e94\u7684\u5b9e\u73b0\u7c7b\u3002<\/li>\n<li>\u591a\u4e2a\u5e76\u53d1\u591a\u7ebf\u7a0b\u4f7f\u7528ServiceLoader\u7c7b\u7684\u5b9e\u4f8b\u662f\u4e0d\u5b89\u5168\u7684\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u96f6\u552e \u66f9\u5fd7\u98de<\/p>\n<p>\u6765\u6e90\uff1a\u4eac\u4e1c\u4e91\u5f00\u53d1\u8005\u793e\u533a \u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u6e90<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000044169297\">https:\/\/segmentfault.com\/a\/1190000044169297<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SPI\u662f\u4ec0\u4e48 SPI\u5168\u79f0Service Provider Interface\uff0c\u662fJava\u63d0\u4f9b\u7684\u4e00\u5957\u7528\u6765\u88ab\u7b2c\u4e09\u65b9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10008204","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008204"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008204\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}