{"id":5354,"date":"2022-01-26T01:28:58","date_gmt":"2022-01-26T01:28:58","guid":{"rendered":"https:\/\/www.cybermedian.com\/tw\/?p=5354"},"modified":"2026-04-20T09:13:21","modified_gmt":"2026-04-20T09:13:21","slug":"%e4%bb%80%e9%ba%bc%e6%98%af%e9%96%8b%e9%96%89%e5%8e%9f%e5%89%87%ef%bc%88ocp%ef%bc%89%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/","title":{"rendered":"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f"},"content":{"rendered":"<section class=\"section section--body section--first\">\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<p id=\"05f0\" class=\"graf graf--p graf-after--h3\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/en.wikipedia.org\/wiki\/Open%E2%80%93closed_principle#:~:text=In%20object%2Doriented%20programming%2C%20the,without%20modifying%20its%20source%20code.\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/en.wikipedia.org\/wiki\/Open%E2%80%93closed_principle#:~:text=In%20object%2Doriented%20programming%2C%20the,without%20modifying%20its%20source%20code.\">\u958b\u653e\/\u5c01\u9589\u539f\u5247<\/a>\u00a0\u662f\u8edf\u4ef6\u958b\u767c\u4e16\u754c\u4e2d\u6700\u57fa\u672c\u7684\u8a2d\u8a08\u539f\u5247\u3002\u00a0\u5b83\u6307\u5c0e\u6211\u5011\u5982\u4f55\u69cb\u5efa\u4e00\u500b\u7a69\u5b9a\u800c\u9748\u6d3b\u7684\u7cfb\u7d71\u3002<\/p>\n<h4 id=\"ef13\" class=\"graf graf--h4 graf-after--p\"><span id=\"Definition\"><strong class=\"markup--strong markup--h4-strong\">\u5b9a\u7fa9\uff1a<\/strong><\/span><\/h4>\n<blockquote id=\"bc88\" class=\"graf graf--blockquote graf-after--h4\"><p>\u985e\u3001\u6a21\u584a\u548c\u51fd\u6578\u7b49\u8edf\u4ef6\u5be6\u9ad4\u61c9\u8a72\u5c0d\u64f4\u5c55\u958b\u653e\uff0c\u5c0d\u4fee\u6539\u95dc\u9589\u3002<\/p><\/blockquote>\n<p id=\"8516\" class=\"graf graf--p graf-after--blockquote\">\u958b\u9589\u539f\u5247\u7684\u542b\u7fa9\u662f\u61c9\u8a72\u64f4\u5c55\u4e00\u500b\u8edf\u4ef6\u5be6\u9ad4\u4f86\u5be6\u73fe\u6539\u8b8a\uff0c\u800c\u4e0d\u662f\u901a\u904e\u4fee\u6539\u73fe\u6709\u4ee3\u78bc\u4f86\u5be6\u73fe\u6539\u8b8a\u3002<\/p>\n<p id=\"aad3\" class=\"graf graf--p graf-after--p\">\u958b\u9589\u539f\u5247\u662f\u9650\u5236\u8edf\u4ef6\u5be6\u9ad4\u672a\u4f86\u4e8b\u7269\u7576\u524d\u958b\u767c\u548c\u8a2d\u8a08\u7684\u539f\u5247\u3002<\/p>\n<p id=\"3cf8\" class=\"graf graf--p graf-after--p\">\u6ce8\uff1a\u958b\u9589\u539f\u5247\u662f\u5c0d\u64f4\u5c55\u958b\u653e\uff0c\u5c0d\u4fee\u6539\u95dc\u9589\u3002\u9019\u4e26\u4e0d\u610f\u5473\u8457\u4e0d\u6703\u9032\u884c\u4efb\u4f55\u4fee\u6539\u3002\u4f4e\u7d1a\u6a21\u584a\u7684\u8b8a\u5316\u5fc5\u9808\u8207\u9ad8\u7d1a\u6a21\u584a\u8026\u5408\uff0c\u5426\u5247\u5c07\u662f\u4e00\u500b\u5b64\u7acb\u7684\u3001\u7121\u610f\u7fa9\u7684\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<p id=\"adad\" class=\"graf graf--p graf-after--p\"><strong class=\"markup--strong markup--p-strong\">\u958b\u9589\u539f\u5247\u7684\u91cd\u8981\u6027\uff1a<\/strong><\/p>\n<ul class=\"postList\">\n<li id=\"4231\" class=\"graf graf--li graf-after--p\">\u958b\u9589\u539f\u5247\u5c0d\u6e2c\u8a66\u7684\u5f71\u97ff<\/li>\n<\/ul>\n<p id=\"dd2a\" class=\"graf graf--p graf-after--li\">\u958b\u555f\u548c\u95dc\u9589\u7684\u539f\u5247\u662f\u4fdd\u6301\u539f\u59cb\u6e2c\u8a66\u4ee3\u78bc\u4ecd\u7136\u80fd\u5920\u6b63\u5e38\u904b\u884c\uff0c\u6211\u5011\u53ea\u9700\u8981\u6e2c\u8a66\u64f4\u5c55\u4ee3\u78bc\u3002<\/p>\n<ul class=\"postList\">\n<li id=\"e807\" class=\"graf graf--li graf-after--p\">\u958b\u9589\u539f\u7406\u53ef\u4ee5\u63d0\u9ad8\u8907\u7528\u6027<\/li>\n<\/ul>\n<p id=\"1236\" class=\"graf graf--p graf-after--li\">\u5728\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.techopedia.com\/definition\/21105\/object-oriented-design-ood#:~:text=Object%2Doriented%20design%20%28OOD%29%20is%20the%20process%20of%20using,%28OOP%29%20process%20or%20lifecycle.\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.techopedia.com\/definition\/21105\/object-oriented-design-ood#:~:text=Object%2Doriented%20design%20(OOD)%20is%20the%20process%20of%20using,(OOP)%20process%20or%20lifecycle.\">\u9762\u5411\u5c0d\u8c61\u8a2d\u8a08<\/a>\u4e2d\uff0c\u6240\u6709\u908f\u8f2f\u90fd\u662f\u7531\u539f\u5b50\u908f\u8f2f\u7d44\u5408\u800c\u6210\uff0c\u800c\u4e0d\u662f\u5728\u4e00\u500b\u985e\u4e2d\u7368\u7acb\u5be6\u73fe\u4e00\u500b\u696d\u52d9\u908f\u8f2f\u3002\u53ea\u6709\u9019\u6a23\uff0c\u4ee3\u78bc\u624d\u80fd\u88ab\u91cd\u7528\u3002\u7c92\u5ea6\u8d8a\u5c0f\uff0c\u88ab\u5fa9\u7528\u7684\u53ef\u80fd\u6027\u5c31\u8d8a\u5927\u3002<\/p>\n<ul class=\"postList\">\n<li id=\"4999\" class=\"graf graf--li graf-after--p\">\u958b\u9589\u539f\u5247\u53ef\u4ee5\u63d0\u9ad8\u53ef\u7dad\u8b77\u6027<\/li>\n<li id=\"0c21\" class=\"graf graf--li graf-after--li\">\u9762\u5411\u5c0d\u8c61\u7684\u958b\u767c\u9700\u6c42<\/li>\n<\/ul>\n<p id=\"6c46\" class=\"graf graf--p graf-after--li\"><strong class=\"markup--strong markup--p-strong\">\u5982\u4f55\u4f7f\u7528\u958b\u5408\u539f\u7406\uff1a<\/strong><\/p>\n<p id=\"3568\" class=\"graf graf--p graf-after--p\"><strong class=\"markup--strong markup--p-strong\">\u4e00<\/strong>\u3001\u901a\u904e\u63a5\u53e3\u6216\u62bd\u50cf\u985e\u9650\u5236\u64f4\u5c55\uff0c\u9650\u5236\u908a\u754c\u7684\u64f4\u5c55\uff0c\u4e0d\u5141\u8a31\u63a5\u53e3\u6216\u62bd\u50cf\u985e\u4e2d\u4e0d\u5b58\u5728\u7684\u516c\u5171\u65b9\u6cd5\uff1b<\/p>\n<p id=\"8d58\" class=\"graf graf--p graf-after--p\"><strong class=\"markup--strong markup--p-strong\">\u5176\u6b21<\/strong>\uff0c\u76e1\u91cf\u4f7f\u7528\u63a5\u53e3\u6216\u62bd\u50cf\u985e\u4f5c\u70ba\u53c3\u6578\u985e\u578b\u548c\u5f15\u7528\u5c0d\u8c61\uff0c\u800c\u4e0d\u662f\u5be6\u73fe\u985e\uff1b<\/p>\n<p id=\"c031\" class=\"graf graf--p graf-after--p\"><strong class=\"markup--strong markup--p-strong\">\u7b2c\u4e09<\/strong>\uff0c\u62bd\u8c61\u5c64\u8981\u76e1\u91cf\u4fdd\u6301\u7a69\u5b9a\uff0c\u4e00\u65e6\u78ba\u5b9a\uff0c\u5c31\u4e0d\u5141\u8a31\u4fee\u6539\u3002<\/p>\n<p id=\"22c7\" class=\"graf graf--p graf-after--p\">\u8b8a\u5316\u7684\u5c01\u88dd\u6709\u5169\u5c64\u542b\u7fa9\uff1a<\/p>\n<p id=\"cda0\" class=\"graf graf--p graf-after--p\">\u9996\u5148\uff0c\u5c07\u76f8\u540c\u7684\u66f4\u6539\u5c01\u88dd\u5230\u63a5\u53e3\u6216\u62bd\u50cf\u985e\u4e2d\uff1b<\/p>\n<p id=\"8a51\" class=\"graf graf--p graf-after--p graf--trailing\">\u5176\u6b21\uff0c\u5c07\u4e0d\u540c\u7684\u8b8a\u5316\u5c01\u88dd\u5230\u4e0d\u540c\u7684\u63a5\u53e3\u6216\u62bd\u50cf\u985e\u4e2d\u3002\u5169\u500b\u4e0d\u540c\u7684\u8b8a\u5316\u4e0d\u61c9\u8a72\u51fa\u73fe\u5728\u540c\u4e00\u500b\u63a5\u53e3\u6216\u62bd\u50cf\u985e\u4e2d\u3002<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"section section--body section--last\">\n<div class=\"section-divider\">\n<hr class=\"section-divider\" \/>\n<\/div>\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<h4 id=\"69e6\" class=\"graf graf--h4 graf--leading\"><span id=\"Examples\">\u4f8b\u5b50<\/span><\/h4>\n<p id=\"56bf\" class=\"graf graf--p graf-after--h4\">\u4f8b\u5982\uff0c\u624b\u52d5\u6253\u958b\u548c\u95dc\u9589\u9580\u3002<\/p>\n<figure id=\"d3f2\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/0wlXaJtn3Bexx9ev7.png\" data-image-id=\"0*wlXaJtn3Bexx9ev7.png\" data-width=\"453\" data-height=\"148\" \/><\/figure>\n<p id=\"c2c2\" class=\"graf graf--p graf-after--figure\">\u5982\u679c\u6709\u65b0\u7684\u9700\u6c42\uff0c\u5c31\u9700\u8981\u589e\u52a0\u624b\u52d5\u958b\u5408\u62bd\u5c5c\u7684\u529f\u80fd\u3002\u4ee3\u78bc\u9700\u8981\u6dfb\u52a0\u4e00\u500bDrawer\u985e\uff0c\u540c\u6642\u4fee\u6539Hand\u985e\u3002<\/p>\n<figure id=\"1d14\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/1QXaFJLucsecnatWUuuuH6Q.png\" data-image-id=\"1*QXaFJLucsecnatWUuuuH6Q.png\" data-width=\"781\" data-height=\"500\" data-is-featured=\"true\" \/><\/figure>\n<p id=\"ce83\" class=\"graf graf--p graf-after--figure\">\u4ee5OCP\u958b\u9589\u539f\u7406\u70ba\u4f8b\uff0c\u624b\u52d5\u958b\u9589\u9580\u4f9d\u8cf4\u65bc\u4e00\u500b\u63a5\u53e3\uff0c\u5177\u9ad4\u5be6\u73fe\u985e\u5be6\u73fe\u8a72\u63a5\u53e3\u3002<\/p>\n<figure id=\"28a1\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/1NVWYY0ZYvgMJbnENhw1QKw.png\" data-image-id=\"1*NVWYY0ZYvgMJbnENhw1QKw.png\" data-width=\"800\" data-height=\"461\" \/><\/figure>\n<p id=\"2372\" class=\"graf graf--p graf-after--figure\">\u7576\u9700\u8981\u589e\u52a0\u6253\u958b\u548c\u95dc\u9589\u51b0\u7bb1\u7684\u624b\u6578\u6642\uff0c\u51b0\u7bb1\u985e\u5728\u4e0d\u4fee\u6539\u539f\u6709\u7684Hand\u985e\u548c\u63a5\u53e3\u7684\u60c5\u6cc1\u4e0b\u5be6\u73fe\u4e86\u9019\u500b\u63a5\u53e3\u3002<\/p>\n<figure id=\"6688\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/1iR6WQOaVLjFUMy1056vL-w.png\" data-image-id=\"1*iR6WQOaVLjFUMy1056vL-w.png\" data-width=\"946\" data-height=\"464\" \/><\/figure>\n<h4 id=\"246b\" class=\"graf graf--h4 graf-after--figure\"><span id=\"More_Object_Oriented_Resources\">\u66f4\u591a\u9762\u5411\u5c0d\u8c61\u7684\u8cc7\u6e90<\/span><\/h4>\n<ul class=\"postList\">\n<li id=\"3002\" class=\"graf graf--li graf-after--h4\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/reflectoring.io\/open-closed-principle-explained\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/reflectoring.io\/open-closed-principle-explained\/\">\u958b\u9589\u539f\u5247\u89e3\u91cb<\/a><\/li>\n<li id=\"be77\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\">UML \u985e\u5716\u6559\u7a0b<\/a><\/li>\n<li id=\"d80e\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\">\u4ec0\u9ebc\u662f\u985e\u5716\uff1f<\/a><\/li>\n<li id=\"f4cf\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams\/solutions\/free-class-diagram-tool\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams\/solutions\/free-class-diagram-tool\/\">\u514d\u8cbb\u7684\u985e\u5716\u5de5\u5177<\/a><\/li>\n<li id=\"8e66\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"http:\/\/online%20class%20diagram%20software\/\" target=\"_blank\" rel=\"noopener\" data-href=\"http:\/\/Online Class Diagram Software\">\u5728\u7dda\u985e\u5716\u8edf\u4ef6<\/a><\/li>\n<li id=\"1b39\" class=\"graf graf--li graf-after--li graf--trailing\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.google.com\/search?q=uml+visaul+paradigm&amp;sxsrf=AOaemvJcREGG3huPXRdERD5w15PnUrAxuQ%3A1632104970304&amp;ei=CvJHYYfpEai9mAW8u67YAg&amp;oq=uml+visaul+paradigm&amp;gs_lcp=Cgdnd3Mtd2l6EAMyBwgjELACECcyBAgAEA0yBggAEBYQHjIGCAAQFhAeMgYIABAWEB4yBggAEBYQHjIGCAAQFhAeMgYIABAWEB4yBggAEBYQHjIGCAAQFhAeOgQIABBDOg0ILhCxAxDHARDRAxBDOggIABCABBCxAzoFCAAQsQM6DgguEIAEELEDEMcBEKMCOgsILhCABBCxAxCDAToECCMQJzoFCAAQkQI6BQgAEIAEOgoIABCABBCHAhAUOgYIABANEB5KBAhBGABQ8fYzWJ-YNGCpmzRoAHACeACAAYUBiAHeDJIBBDE2LjOYAQCgAQHAAQE&amp;sclient=gws-wiz&amp;ved=0ahUKEwiHlvbnwIzzAhWoHqYKHbydCysQ4dUDCA4&amp;uact=5\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.google.com\/search?q=uml+visaul+paradigm&amp;sxsrf=AOaemvJcREGG3huPXRdERD5w15PnUrAxuQ%3A1632104970304&amp;ei=CvJHYYfpEai9mAW8u67YAg&amp;oq=uml+visaul+paradigm&amp;gs_lcp=Cgdnd3Mtd2l6EAMyBwgjELACECcyBAgAEA0yBggAEBYQHjIGCAAQFhAeMgYIABAWEB4yBggAEBYQHjIGCAAQFhAeMgYIABAWEB4yBggAEBYQHjIGCAAQFhAeOgQIABBDOg0ILhCxAxDHARDRAxBDOggIABCABBCxAzoFCAAQsQM6DgguEIAEELEDEMcBEKMCOgsILhCABBCxAxCDAToECCMQJzoFCAAQkQI6BQgAEIAEOgoIABCABBCHAhAUOgYIABANEB5KBAhBGABQ8fYzWJ-YNGCpmzRoAHACeACAAYUBiAHeDJIBBDE2LjOYAQCgAQHAAQE&amp;sclient=gws-wiz&amp;ved=0ahUKEwiHlvbnwIzzAhWoHqYKHbydCysQ4dUDCA4&amp;uact=5\"><span class=\"goog-text-highlight\">\u4ec0\u9ebc\u662f\u7d71\u4e00\u5efa\u6a21\u8a9e\u8a00 (UML)\uff1f<\/span><\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>\u958b\u653e\/\u5c01\u9589\u539f\u5247\u662f\u8edf\u4ef6\u958b\u767c\u9818\u57df\u4e2d\u6700\u57fa\u672c\u7684\u8a2d\u8a08\u539f\u5247\u3002\u5b83\u6307\u5c0e\u6211\u5011\u5982\u4f55\u5efa\u7acb\u4e00\u500b\u7a69\u5b9a\u800c\u9748\u6d3b\u7684\u7cfb\u7d71\u3002\u4e00\u500b\u8edf\u4ef6\u5be6\u9ad4\uff0c\u5982\u985e\u3001\u6a21\u584a\u548c\u51fd\u6578\uff0c\u61c9\u8a72\u662f\u958b\u653e\u7684\uff0c\u53ef\u4ee5\u64f4\u5c55\uff0c\u5c01\u9589\u7684\uff0c\u53ef\u4ee5\u4fee\u6539\u3002<\/p>\n","protected":false},"author":4,"featured_media":5357,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[2,5],"tags":[],"class_list":["post-5354","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agile-project-management","category-software-engineering"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f - IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f - IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2\" \/>\n<meta property=\"og:description\" content=\"\u958b\u653e\/\u5c01\u9589\u539f\u5247\u662f\u8edf\u4ef6\u958b\u767c\u9818\u57df\u4e2d\u6700\u57fa\u672c\u7684\u8a2d\u8a08\u539f\u5247\u3002\u5b83\u6307\u5c0e\u6211\u5011\u5982\u4f55\u5efa\u7acb\u4e00\u500b\u7a69\u5b9a\u800c\u9748\u6d3b\u7684\u7cfb\u7d71\u3002\u4e00\u500b\u8edf\u4ef6\u5be6\u9ad4\uff0c\u5982\u985e\u3001\u6a21\u584a\u548c\u51fd\u6578\uff0c\u61c9\u8a72\u662f\u958b\u653e\u7684\uff0c\u53ef\u4ee5\u64f4\u5c55\uff0c\u5c01\u9589\u7684\uff0c\u53ef\u4ee5\u4fee\u6539\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/\" \/>\n<meta property=\"og:site_name\" content=\"IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-26T01:28:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-20T09:13:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg\" \/>\n<meta name=\"author\" content=\"vpmiku\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005:\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpmiku\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/\"},\"author\":{\"name\":\"vpmiku\",\"@id\":\"https:\/\/www.cybermedian.com\/tw\/#\/schema\/person\/0820af95329f8c13e4ab72af7c531416\"},\"headline\":\"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f\",\"datePublished\":\"2022-01-26T01:28:58+00:00\",\"dateModified\":\"2026-04-20T09:13:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/\"},\"wordCount\":7,\"commentCount\":1,\"image\":{\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg\",\"articleSection\":[\"Agile Project Management\",\"Software Engineering\"],\"inLanguage\":\"zh-TW\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/\",\"url\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/\",\"name\":\"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f - IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2\",\"isPartOf\":{\"@id\":\"https:\/\/www.cybermedian.com\/tw\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg\",\"datePublished\":\"2022-01-26T01:28:58+00:00\",\"dateModified\":\"2026-04-20T09:13:21+00:00\",\"author\":{\"@id\":\"https:\/\/www.cybermedian.com\/tw\/#\/schema\/person\/0820af95329f8c13e4ab72af7c531416\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#breadcrumb\"},\"inLanguage\":\"zh-TW\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#primaryimage\",\"url\":\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg\",\"contentUrl\":\"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg\",\"width\":\"900\",\"height\":\"600\",\"caption\":\"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.cybermedian.com\/tw\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.cybermedian.com\/tw\/#website\",\"url\":\"https:\/\/www.cybermedian.com\/tw\/\",\"name\":\"IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2\",\"description\":\"\u805a\u7126\u8cc7\u8a0a\u79d1\u6280\u5167\u5bb9\u9818\u57df\u6700\u524d\u6cbf\u8cc7\u8a0a\uff0c\u7db2\u7d61\u7cbe\u83ef\uff0c\u5fc3\u5f97\u4ea4\u6d41\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.cybermedian.com\/tw\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-TW\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.cybermedian.com\/tw\/#\/schema\/person\/0820af95329f8c13e4ab72af7c531416\",\"name\":\"vpmiku\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/www.cybermedian.com\/tw\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/f5193432e3bd08a49699782906e7bba4cf287d05fc8595c60f9ddc2e1a7d30ef?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/f5193432e3bd08a49699782906e7bba4cf287d05fc8595c60f9ddc2e1a7d30ef?s=96&d=mm&r=g\",\"caption\":\"vpmiku\"},\"url\":\"https:\/\/www.cybermedian.com\/tw\/author\/vpmiku\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f - IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/","og_locale":"zh_TW","og_type":"article","og_title":"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f - IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2","og_description":"\u958b\u653e\/\u5c01\u9589\u539f\u5247\u662f\u8edf\u4ef6\u958b\u767c\u9818\u57df\u4e2d\u6700\u57fa\u672c\u7684\u8a2d\u8a08\u539f\u5247\u3002\u5b83\u6307\u5c0e\u6211\u5011\u5982\u4f55\u5efa\u7acb\u4e00\u500b\u7a69\u5b9a\u800c\u9748\u6d3b\u7684\u7cfb\u7d71\u3002\u4e00\u500b\u8edf\u4ef6\u5be6\u9ad4\uff0c\u5982\u985e\u3001\u6a21\u584a\u548c\u51fd\u6578\uff0c\u61c9\u8a72\u662f\u958b\u653e\u7684\uff0c\u53ef\u4ee5\u64f4\u5c55\uff0c\u5c01\u9589\u7684\uff0c\u53ef\u4ee5\u4fee\u6539\u3002","og_url":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/","og_site_name":"IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2","article_published_time":"2022-01-26T01:28:58+00:00","article_modified_time":"2026-04-20T09:13:21+00:00","og_image":[{"url":"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg","type":"","width":"","height":""}],"author":"vpmiku","twitter_card":"summary_large_image","twitter_image":"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg","twitter_misc":{"\u4f5c\u8005:":"vpmiku"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#article","isPartOf":{"@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/"},"author":{"name":"vpmiku","@id":"https:\/\/www.cybermedian.com\/tw\/#\/schema\/person\/0820af95329f8c13e4ab72af7c531416"},"headline":"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f","datePublished":"2022-01-26T01:28:58+00:00","dateModified":"2026-04-20T09:13:21+00:00","mainEntityOfPage":{"@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/"},"wordCount":7,"commentCount":1,"image":{"@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#primaryimage"},"thumbnailUrl":"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg","articleSection":["Agile Project Management","Software Engineering"],"inLanguage":"zh-TW","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/","url":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/","name":"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f - IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2","isPartOf":{"@id":"https:\/\/www.cybermedian.com\/tw\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#primaryimage"},"image":{"@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#primaryimage"},"thumbnailUrl":"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg","datePublished":"2022-01-26T01:28:58+00:00","dateModified":"2026-04-20T09:13:21+00:00","author":{"@id":"https:\/\/www.cybermedian.com\/tw\/#\/schema\/person\/0820af95329f8c13e4ab72af7c531416"},"breadcrumb":{"@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#breadcrumb"},"inLanguage":"zh-TW","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/"]}]},{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#primaryimage","url":"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg","contentUrl":"https:\/\/www.cybermedian.com\/tw\/wp-content\/uploads\/sites\/5\/2022\/01\/open-closed-principle.jpg","width":"900","height":"600","caption":"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f"},{"@type":"BreadcrumbList","@id":"https:\/\/www.cybermedian.com\/tw\/what-is-the-open-closed-principle-ocp\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.cybermedian.com\/tw\/"},{"@type":"ListItem","position":2,"name":"\u4ec0\u9ebc\u662f\u958b\u9589\u539f\u5247\uff08OCP\uff09\uff1f"}]},{"@type":"WebSite","@id":"https:\/\/www.cybermedian.com\/tw\/#website","url":"https:\/\/www.cybermedian.com\/tw\/","name":"IT \u89c0\u5bdf\u8005\u96a8\u7b46 - \u8cc7\u8a0a\u79d1\u6280\u535a\u5ba2","description":"\u805a\u7126\u8cc7\u8a0a\u79d1\u6280\u5167\u5bb9\u9818\u57df\u6700\u524d\u6cbf\u8cc7\u8a0a\uff0c\u7db2\u7d61\u7cbe\u83ef\uff0c\u5fc3\u5f97\u4ea4\u6d41","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.cybermedian.com\/tw\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-TW"},{"@type":"Person","@id":"https:\/\/www.cybermedian.com\/tw\/#\/schema\/person\/0820af95329f8c13e4ab72af7c531416","name":"vpmiku","image":{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/www.cybermedian.com\/tw\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/f5193432e3bd08a49699782906e7bba4cf287d05fc8595c60f9ddc2e1a7d30ef?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/f5193432e3bd08a49699782906e7bba4cf287d05fc8595c60f9ddc2e1a7d30ef?s=96&d=mm&r=g","caption":"vpmiku"},"url":"https:\/\/www.cybermedian.com\/tw\/author\/vpmiku\/"}]}},"_links":{"self":[{"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/posts\/5354","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/comments?post=5354"}],"version-history":[{"count":2,"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/posts\/5354\/revisions"}],"predecessor-version":[{"id":5358,"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/posts\/5354\/revisions\/5358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/media\/5357"}],"wp:attachment":[{"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/media?parent=5354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/categories?post=5354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cybermedian.com\/tw\/wp-json\/wp\/v2\/tags?post=5354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}