{"id":2663,"date":"2015-07-13T19:15:23","date_gmt":"2015-07-13T11:15:23","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=2663"},"modified":"2015-07-13T19:15:23","modified_gmt":"2015-07-13T11:15:23","slug":"qplugins-%e6%8f%92%e4%bb%b6%e5%bc%95%e6%93%8e%e7%9a%84%e5%be%ae%e5%86%85%e6%a0%b8%e9%83%bd%e6%9c%89%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=2663","title":{"rendered":"[QPlugins] \u63d2\u4ef6\u5f15\u64ce\u7684\u5fae\u5185\u6838\u90fd\u6709\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>QPlugins \u4f1a\u5b9e\u73b0\u4e00\u4e2a\u5fae\u5185\u6838\uff0c\u4f46\u5fae\u5185\u6838\u5e76\u4e0d\u610f\u5473\u7740\u529f\u80fd\u7684\u524a\u5f31\uff0c\u53cd\u800c\u56e0\u4e3a\u5fae\u5185\u6838\uff0c\u4ece\u800c\u4f7f\u6574\u4e2a\u63d2\u4ef6\u5f15\u64ce\u66f4\u5177\u6709\u7075\u6d3b\u6027\u548c\u53ef\u5851\u6027\u3002<\/p>\n<p>\u5fae\u5185\u6838\u8d1f\u8d23\u4ec0\u4e48\uff1f<\/p>\n<ul>\n<li>\u76ee\u5f55<br \/>\n\u8fd9\u4e2a\u76ee\u5f55\u662f\u63d2\u4ef6\u63d0\u4f9b\u7684\u670d\u52a1\u7684\u76ee\u5f55\uff0c\u5b83\u662f\u9762\u5411\u670d\u52a1\u7684\u4f18\u5316\u7684\u3002\u4e3a\u5565\u4e0d\u662f\u9762\u5411\u63d2\u4ef6\u4f18\u5316\uff0c\u8fd9\u662f\u56e0\u4e3a\u6211\u4eec\u5728\u7a0b\u5e8f\u8bbe\u8ba1\u65f6\uff0c\u66f4\u5173\u5fc3\u7684\u662f\u80fd\u4e0d\u80fd\u63d0\u4f9b\u67d0\u9879\u670d\u52a1\uff0c\u800c\u4e0d\u662f\u8981\u5173\u5fc3\u90a3\u4e2a\u63d2\u4ef6\u63d0\u4f9b\u4e86\u8fd9\u9879\u670d\u52a1\uff0c\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u65f6\u5c31\u8981\u8003\u8651\u9762\u5411\u670d\u52a1\u4f18\u5316\u3002<\/li>\n<li>\u63a5\u53e3<br \/>\nQPlugins \u4f7f\u7528\u63a5\u53e3\u6765\u63d0\u4f9b\u5404\u79cd\u5404\u6837\u7684\u529f\u80fd\u3002\u53ea\u6240\u4ee5\u4f7f\u7528\u63a5\u53e3\uff0c\u662f\u56e0\u4e3a\u5b83\u826f\u597d\u7684\u8de8\u8bed\u8a00\u3001\u8de8\u5e73\u53f0\u3001\u81ea\u7ef4\u62a4\u7684\u7279\u6027\u3002QPlugins \u63d0\u4f9b\u4e00\u4e2a\u8fd4\u56de\u5168\u5c40\u7684 IQPluginsManager \u63a5\u53e3\u7684\u51fd\u6570 PluginsManager\uff0c\u5b83\u662f\u4e00\u5207\u670d\u52a1\u7684\u5165\u53e3\u3002\u7a0b\u5e8f\u5982\u679c\u8981\u8bf7\u6c42\u67d0\u9879\u670d\u52a1\uff0c\u90a3\u4e48\u63a5\u53e3\u4f1a\u5f88\u7b80\u5355\uff1a<br \/>\n1\u3001\u57fa\u4e8e QueryInterface \u7684\u65b9\u6cd5<br \/>\n\u5047\u8bbe\u6211\u4eec\u67e5\u8be2\u67d0\u9879\u540d\u4e3a IMyService \u63a5\u53e3\u7684\u670d\u52a1\uff0c\u57fa\u4e8e QueryInterface \u6211\u4eec\u6709\u51e0\u4e2a\u529e\u6cd5\uff1a<\/p>\n<pre class=\"lang:delphi decode:true\">var\r\n  AIntf:IMyService\r\nbegin\r\nif PluginsManager.QueryInterface(IMyService,AIntf)=S_OK then\r\n   ...\r\nend;<\/pre>\n<p>\u6216<\/p>\n<pre class=\"lang:delphi decode:true \">var\r\n  AIntf:IMyService\r\nbegin\r\nAIntf:=PluginsManager as IMyService;\r\nif Assigned(AIntf) then\r\n   ...\r\nend;<\/pre>\n<p>\u6216<\/p>\n<pre class=\"lang:delphi decode:true\">var\r\n  AIntf:IMyService\r\nbegin\r\nif Supports(PluginsManagerIMyService,AIntf) then\r\n   ...\r\nend;<\/pre>\n<p>2\u3001\u57fa\u4e8e\u7c7b\u5de5\u5382\u7684\u65b9\u5f0f<\/p>\n<pre class=\"lang:delphi decode:true\">var\r\n  AIntf:IMyService\r\nbegin\r\nAIntf:=PluginsManager.ByPath('Services\/MyService') as IMyService;\r\n...\r\nend;<\/pre>\n<\/li>\n<li>\u670d\u52a1<br \/>\nIQPluginsManager \u00a0\u5185\u6838\u5185\u90e8\u53ea\u7ef4\u62a4\u4e09\u4e2a\u670d\u52a1\u5217\u8868\uff1a<br \/>\n1\u3001\u52a0\u8f7d\u5668\uff08 Loader \uff09\u5217\u8868<br \/>\n\u52a0\u8f7d\u5668\u8d1f\u8d23\u52a0\u8f7d\u7279\u5b9a\u683c\u5f0f\u7684\u63d2\u4ef6\uff0c\u8fd9\u4e2a\u63d2\u4ef6\u5177\u4f53\u63d0\u4f9b\u4ec0\u4e48\u670d\u52a1\uff0c\u4ee5\u4ec0\u4e48\u63a5\u53e3\u63d0\u4f9b\u670d\u52a1\u90fd\u662f\u7531\u52a0\u8f7d\u5668\u8d1f\u8d23\u7ea6\u5b9a\u548c\u52a0\u8f7d\u7684\u3002<br \/>\n2\u3001\u8def\u7531\u5668\uff08 Router \uff09\u5217\u8868<br \/>\n\u8def\u7531\u5668\u8d1f\u8d23\u7ba1\u7406\u670d\u52a1\u67e5\u8be2\u8bf7\u6c42\u5e76\u5c06\u670d\u52a1\u91cd\u5b9a\u5411\u5230\u7279\u5b9a\u7684\u670d\u52a1\u63d0\u4f9b\u8005\u5b9e\u4f8b\uff0c\u4ee5\u6700\u7ec8\u4e3a\u7528\u6237\u63d0\u4f9b\u670d\u52a1\u3002<br \/>\n3\u3001\u666e\u901a\u670d\u52a1\uff08 Services \uff09\u5217\u8868<br \/>\n\u975e\u4e0a\u8ff0\u4e24\u79cd\u670d\u52a1\u7684\u666e\u901a\u670d\u52a1\uff0c\u90fd\u6ce8\u518c\u5230\u6b64\u76ee\u5f55\u4e0b\uff0c\u6784\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u76ee\u5f55\u6811\u3002\u5982\u679c\u4e00\u4e2a\u670d\u52a1\u7531\u591a\u9879\u670d\u52a1\u63d0\u4f9b\u65f6\uff0c\u7531\u8def\u7531\u7b56\u7565\u51b3\u5b9a\u4f7f\u7528\u90a3\u4e2a\u670d\u52a1\u3002<br \/>\n\u5728 QPlugins \u4e2d\uff0c\u52a0\u8f7d\u5668\u548c\u8def\u7531\u5668\u662f\u4e24\u4e2a\u7279\u6b8a\u7684\u670d\u52a1\u7c7b\u522b\uff0c\u5185\u90e8\u5b9e\u9645\u4e0a\u4e5f\u4e0d\u518d\u5173\u5fc3\u5176\u5b83\u7684\u670d\u52a1\u3002\u52a0\u8f7d\u5668\u548c\u8def\u7531\u5668\u672c\u8eab\u4e5f\u662f\u4e00\u4e2a\u670d\u52a1\uff0c\u7b2c\u4e00\u4e2a\u52a0\u8f7d\u5668\u53ef\u4ee5\u52a0\u8f7d\u4e00\u4e2a\u63d2\u4ef6\uff0c\u800c\u8fd9\u4e2a\u63d2\u4ef6\u63d0\u4f9b\u4e00\u4e2a\u5168\u65b0\u7684\u52a0\u8f7d\u5668\uff0c\u8fd9\u6837\u5f62\u6210\u652f\u6301\u4e0d\u540c\u7684\u63d2\u4ef6\u5f62\u5f0f\u7684\u6269\u5c55\u3002<\/li>\n<li>\u5b9e\u4f8b\u5316<br \/>\n\u63d2\u4ef6\u63d0\u4f9b\u7684\u670d\u52a1\u5728\u63d0\u4f9b\u7ed9\u8c03\u7528\u8005\u4e4b\u524d\uff0c\u5b83\u9700\u8981\u5b9e\u4f8b\u5316\u3002\u8fd9\u91cc\u5c31\u7275\u6d89\u5230\u5355\u6839\u548c\u591a\u6839\u7684\u95ee\u9898\uff0c\u4e0d\u8fc7\u8fd9\u4e2a\u95ee\u9898\uff0c\u4e0d\u5f52\u63d2\u4ef6\u5f15\u64ce\u7ba1\uff0c\u800c\u662f\u670d\u52a1\u63d0\u4f9b\u8005\u81ea\u5df1\u5728\u5b9e\u73b0\u670d\u52a1\u7684 NewInstance \u63a5\u53e3\u65f6\u6765\u5904\u7406\u3002\u670d\u52a1\u7684\u4f7f\u7528\u8005\u4e0d\u4f1a\u5173\u5fc3\u6211\u4f7f\u7528\u7684\u662f\u5355\u6839\u5b9e\u4f8b\u8fd8\u662f\u591a\u6839\u5b9e\u4f8b\uff0c\u5b83\u5173\u5fc3\u7684\u662f\u4f60\u662f\u5426\u80fd\u591f\u63d0\u4f9b\u6211\u9700\u8981\u7684\u670d\u52a1\u5e76\u63d0\u4f9b\u6b63\u786e\u7684\u7ed3\u679c\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>QPlugins \u4f1a\u5b9e\u73b0\u4e00\u4e2a\u5fae\u5185\u6838\uff0c\u4f46\u5fae [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[69,8,9,50],"tags":[],"class_list":["post-2663","post","type-post","status-publish","format-standard","hentry","category-c-builder","category-delphi","category-qdac","category-qplugin"],"views":5262,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/2663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2663"}],"version-history":[{"count":1,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/2663\/revisions"}],"predecessor-version":[{"id":2664,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/2663\/revisions\/2664"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}