{"id":305,"date":"2021-05-07T14:47:21","date_gmt":"2021-05-07T06:47:21","guid":{"rendered":"http:\/\/liyanliang.net\/?p=305"},"modified":"2021-05-29T17:26:34","modified_gmt":"2021-05-29T09:26:34","slug":"abstractfactorypattern","status":"publish","type":"post","link":"http:\/\/liyanliang.net\/index.php\/2021\/05\/07\/abstractfactorypattern\/","title":{"rendered":"\u8bbe\u8ba1\u6a21\u5f0f-\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f"},"content":{"rendered":"\n<p class=\"has-cyan-bluish-gray-background-color has-background\">\u5b9a\u4e49<\/p>\n\n\n\n<p>\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\uff08Abstract Factory Pattern\uff09\u662f\u56f4\u7ed5\u4e00\u4e2a\u8d85\u7ea7\u5de5\u5382\u521b\u5efa\u5176\u4ed6\u5de5\u5382\u3002\u8be5\u8d85\u7ea7\u5de5\u5382\u53c8\u79f0\u4e3a\u5176\u4ed6\u5de5\u5382\u7684\u5de5\u5382\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u8bbe\u8ba1\u6a21\u5f0f\u5c5e\u4e8e\u521b\u5efa\u578b\u6a21\u5f0f\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u521b\u5efa\u5bf9\u8c61\u7684\u6700\u4f73\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>\u5728\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u4e2d\uff0c\u63a5\u53e3\u662f\u8d1f\u8d23\u521b\u5efa\u4e00\u4e2a\u76f8\u5173\u5bf9\u8c61\u7684\u5de5\u5382\uff0c\u4e0d\u9700\u8981\u663e\u5f0f\u6307\u5b9a\u5b83\u4eec\u7684\u7c7b\u3002\u6bcf\u4e2a\u751f\u6210\u7684\u5de5\u5382\u90fd\u80fd\u6309\u7167\u5de5\u5382\u6a21\u5f0f\u63d0\u4f9b\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p class=\"has-cyan-bluish-gray-background-color has-background\">\u5b9e\u73b0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/liyanliangpublic.oss-cn-hongkong.aliyuncs.com\/img\/20210507144606.png\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-cyan-bluish-gray-background-color has-background\">\u6b65\u9aa4\u4e00\uff1a<\/p>\n\n\n\n<p>\u521b\u5efa\u62bd\u8c61\u7c7b\u6765\u83b7\u53d6\u5de5\u5382\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class CAbstractFactory\n{\npublic:\n\tCAbstractFactory(void){};\n\tvirtual ~CAbstractFactory(void){};\n\npublic:\n\tvirtual CBuildTotalBase* Creat(CNSDocBase* pDoc, EN_DGN_CODE enDgnCode) = 0;\n};<\/pre>\n\n\n\n<p class=\"has-cyan-bluish-gray-background-color has-background\">\u6b65\u9aa4\u4e8c\uff1a<\/p>\n\n\n\n<p>\u5de5\u5382A\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class CTotalDesignFactory : public CAbstractFactory\n{\npublic:\n\tCTotalDesignFactory(void){};\n\t~CTotalDesignFactory(void){};\n\npublic:\n\tvirtual CBuildTotalBase* Creat(CNSDocBase* pDoc, EN_DGN_CODE enDgnCode)\n    {\n        \tCNSReportCtrl* pReportCtrl = pDoc->GetReportCtrl();\n\n            CBuildTotalDesignBase* pBuildMRDataCtrl = nullptr;\n            switch (enDgnCode)\n            {\n            case EN_DGN_CODE_RC_JTG_D62_04:\n                pBuildMRDataCtrl = new CBuildTotalDesign_JTG04(pDoc,pReportCtrl);\n                break;\n            case EN_DGN_CODE_RC_JTG33622018:\n                pBuildMRDataCtrl = new CBuildTotalDesign_JTG33622018(pDoc,pReportCtrl);\n                break;\n            case EN_DGN_CODE_STEEL_JTG_D64_15:\n                pBuildMRDataCtrl = new CBuildTotalDesign_JTG6415(pDoc,pReportCtrl);\n                break;\n            default:\n                ASSERT(0);\n                break;\n            }\n\n            return pBuildMRDataCtrl;\n    }\n    \n};<\/pre>\n\n\n\n<p>\u5de5\u5382B\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class CTotalAssessFactory : public CAbstractFactory\n{\npublic:\n\tCTotalAssessFactory(void){};\n\t~CTotalAssessFactory(void){};\n\npublic:\n\tvirtual CBuildTotalBase* Creat(CNSDocBase* pDoc, EN_DGN_CODE enDgnCode)\n    {\n        CNSReportCtrl* pReportCtrl = pDoc->GetReportCtrl();\n\n\t\tCBuildTotalAssessBase* pBuildMRDataCtrl = nullptr;\n\t\tswitch (enDgnCode)\n\t\t{\n\t\tcase EN_DGN_CODE_RC_JTG_D62_04:\n\t\t\tpBuildMRDataCtrl = new CBuildTotalAssess_JTG04(pDoc,pReportCtrl);\n\t\t\tbreak;\n\t\tcase EN_DGN_CODE_RC_JTG33622018:\n\t\t\tpBuildMRDataCtrl = new CBuildTotalAssess_JTG33622018(pDoc,pReportCtrl);\n\t\t\tbreak;\n\t\tcase EN_DGN_CODE_STEEL_JTG_D64_15:\n\t\t\tpBuildMRDataCtrl = new CBuildTotalAssess_JTGD6415(pDoc,pReportCtrl);\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tASSERT(0);\n\t\t\tbreak;\n\t\t}\n\n\t\treturn pBuildMRDataCtrl;\n    }\n};<\/pre>\n\n\n\n<p class=\"has-cyan-bluish-gray-background-color has-background\">\u6b65\u9aa4\u4e09\uff1a<\/p>\n\n\n\n<p>\u5de5\u5382\u751f\u6210\u5668\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class CFactoryProducer\n{\npublic:\n\tCFactoryProducer(void){};\n\t~CFactoryProducer(void){};\n\npublic:\n\tstatic CBuildTotalBase* Creat(CNSDocBase* pDoc)\n    {\n        \tEN_CALC_TYPE enModType = INSDgnCodeCtrl::Instance()->GetCurrentCalcType(pDoc);\n\tEN_DGN_CODE enDgnCode = INSDgnCodeCtrl::Instance()->GetCurrentDgnCode(pDoc);\n\tCAbstractFactory* pAbstractFactory = nullptr;\n\tswitch (enModType)\n\t{\n\tcase EN_CALC_DESIGN:\n\t\tpAbstractFactory = new CTotalDesignFactory();\n\t\tbreak;\n\tcase EN_CALC_ASSESS:\n\t\tpAbstractFactory = new CTotalAssessFactory();\n\t\tbreak;\n\tdefault:\n\t\tASSERT(0);\n\t\tbreak;\n\t}\n        \n\tif (pAbstractFactory == nullptr)\n\t{\n\t\treturn nullptr;\n\t}\n\treturn pAbstractFactory->Creat(pDoc,enDgnCode);\n    }\n};<\/pre>\n\n\n\n<p class=\"has-cyan-bluish-gray-background-color has-background\">\u6b65\u9aa4\u56db\uff1a<\/p>\n\n\n\n<p>\u4f7f\u7528\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">CTotalReportService::CTotalReportService(CNSDocBase* pDoc)\n{\n    m_pBuildMRDataCtrl = CFactoryProducer::Creat(pDoc);\n    ASSERT(m_pBuildMRDataCtrl);\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9a\u4e49 \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\uff08Abstract Factory Pattern\uff09\u662f\u56f4\u7ed5\u4e00\u4e2a\u8d85\u7ea7\u5de5\u5382\u521b\u5efa\u5176\u4ed6\u5de5\u5382\u3002\u8be5\u8d85\u7ea7\u5de5\u5382\u53c8\u79f0\u4e3a\u5176\u4ed6\u5de5\u5382\u7684\u5de5\u5382\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u8bbe\u8ba1\u6a21\u5f0f\u5c5e\u4e8e\u521b\u5efa\u578b\u6a21\u5f0f\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u521b\u5efa\u5bf9\u8c61\u7684\u6700\u4f73\u65b9\u5f0f\u3002 \u5728\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u4e2d\uff0c\u63a5\u53e3\u662f\u8d1f\u8d23\u521b\u5efa\u4e00\u4e2a\u76f8\u5173\u5bf9\u8c61\u7684\u5de5\u5382\uff0c\u4e0d\u9700\u8981\u663e\u5f0f\u6307\u5b9a\u5b83\u4eec\u7684\u7c7b\u3002\u6bcf\u4e2a\u751f\u6210\u7684\u5de5\u5382\u90fd\u80fd\u6309\u7167\u5de5\u5382\u6a21\u5f0f\u63d0\u4f9b\u5bf9\u8c61\u3002 \u5b9e\u73b0 \u6b65\u9aa4\u4e00\uff1a \u521b\u5efa\u62bd\u8c61\u7c7b\u6765\u83b7\u53d6\u5de5\u5382\u3002 \u6b65\u9aa4\u4e8c\uff1a \u5de5\u5382A\u3002 \u5de5\u5382B\u3002 \u6b65\u9aa4\u4e09\uff1a \u5de5\u5382\u751f\u6210\u5668\u3002 \u6b65\u9aa4\u56db\uff1a \u4f7f\u7528\u3002 CTotalReportService::CTotalReportService(CNSDocBase* pDoc) { m_pBuildMRDataCtrl = CFactoryProducer::Creat(pDoc); ASSERT(m_pBuildMRDataCtrl); }<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[36],"class_list":["post-305","post","type-post","status-publish","format-standard","hentry","category-c","tag-36"],"_links":{"self":[{"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/posts\/305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/comments?post=305"}],"version-history":[{"count":2,"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/posts\/305\/revisions"}],"predecessor-version":[{"id":316,"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/posts\/305\/revisions\/316"}],"wp:attachment":[{"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/media?parent=305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/categories?post=305"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/liyanliang.net\/index.php\/wp-json\/wp\/v2\/tags?post=305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}