{"id":4372,"date":"2025-09-01T16:42:39","date_gmt":"2025-09-01T08:42:39","guid":{"rendered":"https:\/\/www.caiqinyi.cn\/?p=4372"},"modified":"2025-09-11T11:17:24","modified_gmt":"2025-09-11T03:17:24","slug":"ue5_design_pattern_chain_responsibility_pattern","status":"publish","type":"post","link":"https:\/\/www.caiqinyi.cn\/index.php\/2025\/09\/01\/ue5_design_pattern_chain_responsibility_pattern\/","title":{"rendered":"[UE5 \u8bbe\u8ba1\u6a21\u5f0f] \u8d23\u4efb\u94fe\u6a21\u5f0fChain of Responsibility Pattern"},"content":{"rendered":"<p><script type=\"text\/javascript\" async src=\"https:\/\/www.caiqinyi.cn\/wp-content\/MathJax\/MathJax.js?config=TeX-AMS_CHTML\">\n<\/script><br \/>\n<script type=\"text\/x-mathjax-config\">\n    MathJax.Hub.Config({\n        tex2jax: {inlineMath: [['$','$']]},\n        TeX: {equationNumbers: {autoNumber: [\"AMS\"], useLabelIds: true}},\n        \"HTML-CSS\": {linebreaks: {automatic: true}},\n        SVG: {linebreaks: {automatic: true}}\n    });\n<\/script><\/p>\n<p><strong>\u53c2\u8003\u6750\u6599<\/strong><br \/>\n1. <a href=\"https:\/\/www.cnblogs.com\/shiroe\/p\/14909707.html\">\u3010UE4 \u8bbe\u8ba1\u6a21\u5f0f\u3011\u7b56\u7565\u6a21\u5f0f Strategy Pattern<\/a><br \/>\n2. <a href=\"https:\/\/www.runoob.com\/design-pattern\/chain-of-responsibility-pattern.html\">\u8d23\u4efb\u94fe\u6a21\u5f0f<\/a><br \/>\n3. <a href=\"https:\/\/blog.csdn.net\/2302_80644606\/article\/details\/141462770\">\u6e38\u620f\u5f00\u53d1\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u8d23\u4efb\u94fe\u6a21\u5f0f<\/a><br \/>\n4. <a href=\"https:\/\/www.wenqu.site\/Unity%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F%E2%80%94%E8%B4%A3%E4%BB%BB%E9%93%BE%E6%A8%A1%E5%BC%8F.html\">Unity3D\u6e38\u620f\u5f00\u53d1\u8bbe\u8ba1\u6a21\u5f0f\u2014\u2014\u8d23\u4efb\u94fe\u6a21\u5f0f<\/a><\/p>\n<p><strong>1. \u6982\u8ff0<\/strong><\/p>\n<p><strong>1.1 \u63cf\u8ff0<\/strong><\/p>\n<p>$\\cdot$ \u8d23\u4efb\u94fe\u6a21\u5f0f(Chain of Responsibility Pattern) \u4e3a\u8bf7\u6c42\u521b\u5efa\u4e86\u4e00\u4e2a\u63a5\u6536\u8005\u5bf9\u8c61\u7684\u94fe. \u8fd9\u79cd\u6a21\u5f0f\u7ed9\u4e88\u8bf7\u6c42\u7684\u7c7b\u578b, \u5bf9\u8bf7\u6c42\u7684\u53d1\u9001\u8005\u548c\u63a5\u6536\u8005\u8fdb\u884c\u89e3\u8026. \u8fd9\u79cd\u7c7b\u578b\u7684\u8bbe\u8ba1\u6a21\u5f0f\u5c5e\u4e8e\u884c\u4e3a\u578b\u6a21\u5f0f.<br \/>\n$\\\\$ \u8d23\u4efb\u94fe\u6a21\u5f0f\u901a\u8fc7\u5c06\u591a\u4e2a\u5904\u7406\u5668(\u5904\u7406\u5bf9\u8c61) \u4ee5\u94fe\u5f0f\u7ed3\u6784\u8fde\u63a5\u8d77\u6765, \u4f7f\u5f97\u8bf7\u6c42\u6cbf\u7740\u8fd9\u6761\u94fe\u4f20\u9012, \u76f4\u5230\u6709\u4e00\u4e2a\u5904\u7406\u5668\u5904\u7406\u8be5\u8bf7\u6c42\u4e3a\u6b62.<br \/>\n$\\\\$ \u8d23\u4efb\u94fe\u6a21\u5f0f\u5141\u8bb8\u591a\u4e2a\u5bf9\u8c61\u90fd\u6709\u673a\u4f1a\u5904\u7406\u8bf7\u6c42, \u4ece\u800c\u907f\u514d\u8bf7\u6c42\u7684\u53d1\u9001\u8005\u548c\u63a5\u6536\u8005\u4e4b\u95f4\u7684\u8026\u5408\u5173\u7cfb. \u5c06\u8fd9\u4e9b\u5bf9\u8c61\u8fde\u6210\u4e00\u6761\u94fe, \u5e76\u6cbf\u7740\u8fd9\u6761\u94fe\u4f20\u9012\u8bf7\u6c42.<\/p>\n<p><!--more--><\/p>\n<p><strong>1.2 \u5957\u8def<\/strong><\/p>\n<p>$\\cdot$ <strong>\u5b9e\u73b0\u65b9\u5f0f:<\/strong><br \/>\n$\\\\$ 1) \u5b9a\u4e49\u5904\u7406\u8005\u63a5\u53e3: \u6240\u6709\u5904\u7406\u8005\u5fc5\u987b\u5b9e\u73b0\u540c\u4e00\u4e2a\u63a5\u53e3.<br \/>\n$\\\\$ 2) \u521b\u5efa\u5177\u4f53\u5904\u7406\u8005: \u5b9e\u73b0\u63a5\u53e3\u7684\u5177\u4f53\u7c7b, \u5305\u542b\u8bf7\u6c42\u5904\u7406\u903b\u8f91\u548c\u6307\u5411\u94fe\u4e2d\u4e0b\u4e00\u4e2a\u5904\u7406\u8005\u7684\u5f15\u7528.<\/p>\n<p>$\\cdot$ <strong>\u5173\u952e\u4ee3\u7801:<\/strong><br \/>\n$\\\\$ 1) Handler\u63a5\u53e3: \u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u7528\u4e8e\u5904\u7406\u8bf7\u6c42.<br \/>\n$\\\\$ 2) ConcreteHandler\u7c7b: \u5b9e\u73b0Handler\u63a5\u53e3, \u5305\u542b\u8bf7\u6c42\u5904\u7406\u903b\u8f91\u548c\u5bf9\u4e0b\u4e00\u4e2a\u5904\u7406\u8005\u7684\u5f15\u7528.<\/p>\n<p>$\\cdot$ <strong>\u7ed3\u6784:<\/strong><br \/>\n$\\\\$ \u4e3b\u8981\u6d89\u53ca\u5230\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u89d2\u8272:<br \/>\n$\\\\$ 1) \u62bd\u8c61\u5904\u7406\u8005(Handler): \u5b9a\u4e49\u4e00\u4e2a\u5904\u7406\u8bf7\u6c42\u7684\u63a5\u53e3, \u901a\u5e38\u5305\u542b\u4e00\u4e2a\u5904\u7406\u8bf7\u6c42\u7684\u65b9\u6cd5(\u5982handleRequest) \u548c\u4e00\u4e2a\u6307\u5411\u4e0b\u4e00\u4e2a\u5904\u7406\u8005\u7684\u5f15\u7528(\u540e\u7ee7\u8005).<br \/>\n$\\\\$ 2) \u5177\u4f53\u5904\u7406\u8005(ConcreteHandler): \u5b9e\u73b0\u4e86\u62bd\u8c61\u5904\u7406\u8005\u63a5\u53e3, \u8d1f\u8d23\u5904\u7406\u8bf7\u6c42. \u5982\u679c\u80fd\u591f\u5904\u7406\u8be5\u8bf7\u6c42, \u5219\u76f4\u63a5\u5904\u7406; \u5426\u5219, \u5c06\u8bf7\u6c42\u4f20\u9012\u7ed9\u4e0b\u4e00\u4e2a\u5904\u7406\u8005.<br \/>\n$\\\\$ 3) \u5ba2\u6237\u7aef(Client): \u521b\u5efa\u5904\u7406\u8005\u5bf9\u8c61, \u5e76\u5c06\u5b83\u4eec\u8fde\u63a5\u6210\u4e00\u6761\u8d23\u4efb\u94fe. \u901a\u5e38, \u5ba2\u6237\u7aef\u53ea\u9700\u8981\u5c06\u8bf7\u6c42\u53d1\u9001\u7ed9\u8d23\u4efb\u94fe\u7684\u7b2c\u4e00\u4e2a\u5904\u7406\u8005, \u65e0\u9700\u5173\u5fc3\u8bf7\u6c42\u7684\u5177\u4f53\u5904\u7406\u8fc7\u7a0b.<\/p>\n<p><strong>1.3 \u4f7f\u7528\u573a\u666f<\/strong><\/p>\n<p>$\\cdot$ \u5f53\u6709\u591a\u4e2a\u5bf9\u8c61\u53ef\u4ee5\u5904\u7406\u8bf7\u6c42, \u4e14\u5177\u4f53\u7531\u54ea\u4e2a\u5bf9\u8c61\u5904\u7406\u7531\u8fd0\u884c\u65f6\u51b3\u5b9a\u65f6.<br \/>\n$\\cdot$ \u5f53\u9700\u8981\u5411\u591a\u4e2a\u5bf9\u8c61\u4e2d\u7684\u4e00\u4e2a\u63d0\u4ea4\u8bf7\u6c42, \u800c\u4e0d\u60f3\u660e\u786e\u6307\u5b9a\u63a5\u6536\u8005\u65f6.<\/p>\n<p><strong>1.4 \u4f18\u7f3a\u70b9<\/strong><\/p>\n<p>$\\cdot$ <strong>\u4f18\u70b9:<\/strong><br \/>\n$\\\\$ 1) \u964d\u4f4e\u8026\u5408\u5ea6: \u53d1\u9001\u8005\u548c\u63a5\u6536\u8005\u4e4b\u95f4\u89e3\u8026.<br \/>\n$\\\\$ 2) \u7b80\u5316\u5bf9\u8c61: \u5bf9\u8c61\u4e0d\u9700\u8981\u77e5\u9053\u94fe\u7684\u7ed3\u6784.<br \/>\n$\\\\$ 3) \u7075\u6d3b\u6027: \u901a\u8fc7\u6539\u53d8\u94fe\u7684\u6210\u5458\u6216\u987a\u5e8f, \u52a8\u6001\u5730\u65b0\u589e\u6216\u5220\u9664\u8d23\u4efb.<br \/>\n$\\\\$ 4) \u6613\u4e8e\u6269\u5c55: \u589e\u52a0\u65b0\u7684\u8bf7\u6c42\u5904\u7406\u7c7b\u5f88\u65b9\u4fbf.<\/p>\n<p>$\\cdot$ <strong>\u7f3a\u70b9:<\/strong><br \/>\n$\\\\$ 1) \u8bf7\u6c42\u672a\u88ab\u5904\u7406: \u4e0d\u80fd\u4fdd\u8bc1\u8bf7\u6c42\u4e00\u5b9a\u4f1a\u88ab\u94fe\u4e2d\u7684\u67d0\u4e2a\u5904\u7406\u8005\u63a5\u6536.<br \/>\n$\\\\$ 2) \u6027\u80fd\u5f71\u54cd: \u53ef\u80fd\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd, \u4e14\u8c03\u8bd5\u56f0\u96be, \u53ef\u80fd\u5bfc\u81f4\u5faa\u73af\u8c03\u7528.<br \/>\n$\\\\$ 3) \u96be\u4ee5\u89c2\u5bdf: \u8fd0\u884c\u65f6\u7279\u5f81\u4e0d\u660e\u663e, \u53ef\u80fd\u59a8\u788d\u9664\u9519.<\/p>\n<p><strong>2. \u6e38\u620f\u5f00\u53d1\u5e94\u7528\u5b9e\u4f8b<\/strong><\/p>\n<p>\u5728\u6e38\u620f\u5f00\u53d1\u4e2d, \u8d23\u4efb\u94fe\u6a21\u5f0f\u53ef\u4ee5\u7528\u4e8e\u4e8b\u4ef6\u5904\u7406, \u72b6\u6001\u7ba1\u7406\u7b49\u65b9\u9762. \u4f8b\u5982, \u5728\u6e38\u620f\u4e2d, \u4e0d\u540c\u7684\u4e8b\u4ef6(\u5982\u6309\u952e\u6309\u4e0b, \u9f20\u6807\u70b9\u51fb\u7b49) \u53ef\u4ee5\u901a\u8fc7\u8d23\u4efb\u94fe\u6a21\u5f0f\u4f20\u9012\u7ed9\u4e0d\u540c\u7684\u5904\u7406\u5668\u8fdb\u884c\u5904\u7406.<br \/>\n$\\\\$ \u8d23\u4efb\u94fe\u6a21\u5f0f\u662f\u4e00\u79cd\u6709\u6548\u7684\u8bbe\u8ba1\u6a21\u5f0f, \u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u6784\u5efa\u677e\u6563\u8026\u5408, \u7075\u6d3b\u4e14\u6613\u4e8e\u6269\u5c55\u7684\u7cfb\u7edf. \u901a\u8fc7\u5408\u7406\u4f7f\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f, \u53ef\u4ee5\u663e\u8457\u63d0\u5347\u6e38\u620f\u5f00\u53d1\u7684\u6548\u7387\u548c\u8d28\u91cf.<br \/>\n$\\\\$ \u5177\u4f53\u6765\u8bf4, \u8d23\u4efb\u94fe\u6a21\u5f0f\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u5305\u62ec:<br \/>\n$\\\\$ $\\cdot$ \u6e38\u620f\u4e8b\u4ef6\u5904\u7406: \u5728\u6e38\u620f\u5f00\u53d1\u4e2d, \u4e8b\u4ef6\u5904\u7406\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42. \u8d23\u4efb\u94fe\u6a21\u5f0f\u53ef\u4ee5\u7528\u4e8e\u5c06\u4e0d\u540c\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u7ec4\u7ec7\u6210\u4e00\u6761\u94fe, \u5f53\u4e00\u4e2a\u4e8b\u4ef6\u53d1\u751f\u65f6, \u5b83\u4f1a\u6cbf\u7740\u8fd9\u6761\u94fe\u4f20\u9012, \u76f4\u5230\u6709\u4e00\u4e2a\u5904\u7406\u5668\u5904\u7406\u4e86\u8be5\u4e8b\u4ef6. \u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5c06\u4e8b\u4ef6\u5904\u7406\u8005\u548c\u4e8b\u4ef6\u672c\u8eab\u8026\u5408\u5728\u4e00\u8d77, \u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027.<br \/>\n$\\\\$ $\\cdot$ \u8f93\u5165\u5904\u7406: \u5728\u6e38\u620f\u5f00\u53d1\u4e2d, \u8f93\u5165\u5904\u7406\u662f\u53e6\u4e00\u4e2a\u91cd\u8981\u7684\u73af\u8282. \u8d23\u4efb\u94fe\u6a21\u5f0f\u53ef\u4ee5\u7528\u4e8e\u5c06\u4e0d\u540c\u7684\u8f93\u5165\u5904\u7406\u5668\u7ec4\u7ec7\u6210\u4e00\u6761\u94fe, \u5f53\u4e00\u4e2a\u8f93\u5165\u4e8b\u4ef6\u53d1\u751f\u65f6, \u5b83\u4f1a\u6cbf\u7740\u8fd9\u6761\u94fe\u4f20\u9012, \u76f4\u5230\u6709\u4e00\u4e2a\u5904\u7406\u5668\u5904\u7406\u4e86\u8be5\u8f93\u5165\u4e8b\u4ef6. \u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5c06\u8f93\u5165\u5904\u7406\u5668\u548c\u8f93\u5165\u4e8b\u4ef6\u8026\u5408\u5728\u4e00\u8d77, \u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027.<br \/>\n$\\\\$ $\\cdot$ \u72b6\u6001\u66f4\u65b0: \u5728\u6e38\u620f\u5f00\u53d1\u4e2d, \u72b6\u6001\u66f4\u65b0\u662f\u53e6\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42. \u8d23\u4efb\u94fe\u6a21\u5f0f\u53ef\u4ee5\u7528\u4e8e\u5c06\u4e0d\u540c\u7684\u72b6\u6001\u66f4\u65b0\u5904\u7406\u5668\u7ec4\u7ec7\u6210\u4e00\u6761\u94fe, \u5f53\u4e00\u4e2a\u72b6\u6001\u66f4\u65b0\u4e8b\u4ef6\u53d1\u751f\u65f6, \u5b83\u4f1a\u6cbf\u7740\u8fd9\u6761\u94fe\u4f20\u9012, \u76f4\u5230\u6709\u4e00\u4e2a\u5904\u7406\u5668\u5904\u7406\u4e86\u8be5\u72b6\u6001\u66f4\u65b0\u4e8b\u4ef6. \u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5c06\u72b6\u6001\u66f4\u65b0\u5904\u7406\u5668\u548c\u72b6\u6001\u66f4\u65b0\u4e8b\u4ef6\u8026\u5408\u5728\u4e00\u8d77, \u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027.<\/p>\n<p><strong>2.1 \u5982\u4f55\u5728\u8d23\u4efb\u94fe\u6a21\u5f0f\u4e2d\u5904\u7406\u5927\u91cf\u5904\u7406\u5668\u4ee5\u907f\u514d\u6027\u80fd\u95ee\u9898?<\/strong><\/p>\n<p>\u5728\u8d23\u4efb\u94fe\u6a21\u5f0f\u4e2d\u5904\u7406\u5927\u91cf\u5904\u7406\u5668\u4ee5\u907f\u514d\u6027\u80fd\u95ee\u9898, \u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5:<br \/>\n$\\\\$ $\\cdot$ \u4f7f\u7528\u7f13\u5b58\u6216\u5176\u4ed6\u4f18\u5316\u6280\u672f: \u5982\u679c\u8d23\u4efb\u94fe\u8f83\u957f\u6216\u5904\u7406\u8005\u8f83\u591a, \u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u7f13\u5b58\u6216\u5176\u4ed6\u4f18\u5316\u6280\u672f\u6765\u63d0\u9ad8\u6027\u80fd. \u4f8b\u5982, \u53ef\u4ee5\u5c06\u4e00\u4e9b\u5e38\u89c1\u7684\u8bf7\u6c42\u7ed3\u679c\u7f13\u5b58\u8d77\u6765, \u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u548c\u5904\u7406\u65f6\u95f4.<br \/>\n$\\\\$ $\\cdot$ \u4fdd\u6301\u94fe\u7684\u7b80\u6d01\u6027: \u5c3d\u91cf\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5904\u7406\u5668, \u4ee5\u4fdd\u6301\u94fe\u7684\u7b80\u6d01\u6027\u548c\u9ad8\u6548\u6027. \u6bcf\u4e2a\u5904\u7406\u5668\u53ea\u8d1f\u8d23\u5176\u7279\u5b9a\u7684\u804c\u8d23, \u907f\u514d\u8fc7\u5ea6\u590d\u6742\u5316.<br \/>\n$\\\\$ $\\cdot$ \u660e\u786e\u4e1a\u52a1\u9700\u6c42\u548c\u8282\u70b9\u6570\u91cf: \u5728\u8fd0\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f\u65f6, \u5e94\u660e\u786e\u4e1a\u52a1\u9700\u6c42, \u9002\u5408\u591a\u4e2a\u5904\u7406\u5668\u4f9d\u6b21\u5904\u7406\u8bf7\u6c42\u4e14\u987a\u5e8f\u53ef\u53d8\u7684\u573a\u666f. \u540c\u65f6, \u9075\u5faa\u5355\u4e00\u804c\u8d23\u539f\u5219, \u786e\u4fdd\u6bcf\u4e2a\u8282\u70b9\u53ea\u5904\u7406\u4e00\u4ef6\u4e8b, \u5e76\u5c3d\u91cf\u51cf\u5c11\u8282\u70b9\u7684\u6570\u91cf.<br \/>\n$\\\\$ $\\cdot$ \u6587\u6863\u5316\u94fe\u7684\u7ed3\u6784\u548c\u884c\u4e3a: \u4e3a\u4e86\u4fbf\u4e8e\u7ef4\u62a4\u548c\u8c03\u8bd5, \u5e94\u8be6\u7ec6\u8bb0\u5f55\u94fe\u7684\u7ed3\u6784, \u6bcf\u4e2a\u5904\u7406\u5668\u7684\u804c\u8d23\u4ee5\u53ca\u5904\u7406\u6d41\u7a0b. \u8fd9\u6709\u52a9\u4e8e\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3.<\/p>\n<p><strong>2.2 \u8d23\u4efb\u94fe\u6a21\u5f0f\u4e0e\u5176\u4ed6\u8bbe\u8ba1\u6a21\u5f0f(\u5982\u89c2\u5bdf\u8005\u6a21\u5f0f, \u547d\u4ee4\u6a21\u5f0f) \u7684\u7ed3\u5408\u4f7f\u7528\u6709\u54ea\u4e9b\u5b9e\u4f8b?<\/strong><\/p>\n<p>\u8d23\u4efb\u94fe\u6a21\u5f0f\u4e0e\u5176\u4ed6\u8bbe\u8ba1\u6a21\u5f0f(\u5982\u89c2\u5bdf\u8005\u6a21\u5f0f, \u547d\u4ee4\u6a21\u5f0f) \u7684\u7ed3\u5408\u4f7f\u7528\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u548c\u7075\u6d3b\u7684\u7cfb\u7edf\u529f\u80fd. \u4ee5\u4e0b\u662f\u4e00\u4e9b\u5b9e\u4f8b:<br \/>\n$\\\\$ \u5728\u4e00\u4e2a\u7b80\u5355\u7684\u9065\u63a7\u5668\u63a7\u5236\u540a\u6247\u7684\u573a\u666f\u4e2d, \u540a\u6247\u53ef\u4ee5\u6709\u591a\u79cd\u8f6c\u52a8\u901f\u5ea6, \u4e5f\u53ef\u4ee5\u88ab\u5173\u95ed. \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b, \u8d23\u4efb\u94fe\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u786e\u5b9a\u54ea\u4e2a\u5bf9\u8c61\u5904\u7406\u7279\u5b9a\u7684\u8bf7\u6c42, \u800c\u7b56\u7565\u6a21\u5f0f\u5219\u53ef\u4ee5\u7528\u6765\u5b9a\u4e49\u4e0d\u540c\u7684\u8f6c\u52a8\u901f\u5ea6\u7b56\u7565. \u5177\u4f53\u6765\u8bf4, \u6bcf\u4e2a\u8f6c\u52a8\u901f\u5ea6\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u7b56\u7565\u5bf9\u8c61, \u5f53\u9065\u63a7\u5668\u53d1\u9001\u8bf7\u6c42\u65f6, \u8d23\u4efb\u94fe\u6a21\u5f0f\u4f1a\u81ea\u52a8\u786e\u5b9a\u5e76\u8c03\u7528\u76f8\u5e94\u7684\u7b56\u7565\u5bf9\u8c61\u6765\u5904\u7406\u8bf7\u6c42.<br \/>\n$\\\\$ \u5728\u4e00\u4e2a\u5de5\u4f5c\u6d41\u8bbe\u8ba1\u4e2d, \u591a\u4e2a\u5bf9\u8c61\u53ef\u4ee5\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42, \u800c\u8d23\u4efb\u94fe\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u786e\u5b9a\u54ea\u4e2a\u5bf9\u8c61\u5904\u7406\u8be5\u8bf7\u6c42. \u547d\u4ee4\u6a21\u5f0f\u5219\u53ef\u4ee5\u7528\u6765\u5c01\u88c5\u8bf7\u6c42, \u4f7f\u5f97\u8bf7\u6c42\u53ef\u4ee5\u5728\u4e0d\u6539\u53d8\u8bf7\u6c42\u7c7b\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u53c2\u6570\u5316, \u6392\u961f, \u8bb0\u5f55\u548c\u64a4\u9500. \u4f8b\u5982, \u5728\u4e00\u4e2a\u4efb\u52a1\u7ba1\u7406\u7cfb\u7edf\u4e2d, \u4e0d\u540c\u7684\u4efb\u52a1\u53ef\u4ee5\u88ab\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u5904\u7406\u8005, \u800c\u6bcf\u4e2a\u5904\u7406\u8005\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u6a21\u5f0f\u6765\u5904\u7406\u4efb\u52a1.<br \/>\n$\\\\$ \u8d23\u4efb\u94fe\u6a21\u5f0f\u53ef\u4ee5\u5c06\u53d1\u9001\u8005\u548c\u63a5\u6536\u8005\u89e3\u8026, \u5e76\u63d0\u4f9b\u66f4\u5927\u7684\u7075\u6d3b\u6027. \u89c2\u5bdf\u8005\u6a21\u5f0f\u5219\u53ef\u4ee5\u7528\u6765\u5728\u5bf9\u8c61\u72b6\u6001\u6539\u53d8\u65f6\u901a\u77e5\u76f8\u5173\u5bf9\u8c61. \u4f8b\u5982, \u5728\u4e00\u4e2a\u6d88\u606f\u7cfb\u7edf\u4e2d, \u4e0d\u540c\u7684\u6d88\u606f\u5904\u7406\u5668\u53ef\u4ee5\u4f7f\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f\u6765\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u6d88\u606f, \u800c\u89c2\u5bdf\u8005\u6a21\u5f0f\u5219\u53ef\u4ee5\u7528\u6765\u5728\u6d88\u606f\u5904\u7406\u5668\u72b6\u6001\u6539\u53d8\u65f6\u901a\u77e5\u76f8\u5173\u8ba2\u9605\u8005.<br \/>\n$\\\\$ \u5728\u4e00\u4e2a\u547d\u4ee4\u7ba1\u7406\u7cfb\u7edf\u4e2d, \u5355\u4f8b\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u547d\u4ee4\u7ba1\u7406\u5668\u5b9e\u4f8b, \u800c\u8d23\u4efb\u94fe\u6a21\u5f0f\u5219\u53ef\u4ee5\u7528\u6765\u786e\u5b9a\u54ea\u4e2a\u547d\u4ee4\u5904\u7406\u7279\u5b9a\u7684\u8bf7\u6c42. \u4f8b\u5982, \u5728\u4e00\u4e2a\u65e5\u5fd7\u7cfb\u7edf\u4e2d, \u4e0d\u540c\u7684\u65e5\u5fd7\u5904\u7406\u5668\u53ef\u4ee5\u4f7f\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f\u6765\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u65e5\u5fd7\u8bb0\u5f55\u8bf7\u6c42, \u800c\u5355\u4f8b\u6a21\u5f0f\u5219\u53ef\u4ee5\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u65e5\u5fd7\u7ba1\u7406\u5668\u5b9e\u4f8b.<\/p>\n<p><strong>2.3 \u5728\u5b9e\u73b0\u8d23\u4efb\u94fe\u6a21\u5f0f\u65f6\uff0c\u5982\u4f55\u786e\u4fdd\u5904\u7406\u8005\u7684\u987a\u5e8f\u6b63\u786e\u4e14\u9ad8\u6548?<\/strong><\/p>\n<p>\u5728\u5b9e\u73b0\u8d23\u4efb\u94fe\u6a21\u5f0f\u65f6, \u786e\u4fdd\u5904\u7406\u8005\u7684\u987a\u5e8f\u6b63\u786e\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762:<br \/>\n$\\\\$ $\\cdot$ \u52a8\u6001\u914d\u7f6e\u5904\u7406\u8005\u987a\u5e8f: \u901a\u8fc7\u914d\u7f6e\u6587\u4ef6, \u6570\u636e\u5e93\u7b49\u65b9\u5f0f\u6765\u52a8\u6001\u914d\u7f6e\u5904\u7406\u8005\u7684\u987a\u5e8f\u548c\u6761\u4ef6, \u800c\u4e0d\u9700\u8981\u4fee\u6539\u4ee3\u7801. \u8fd9\u6837\u53ef\u4ee5\u7075\u6d3b\u5730\u8c03\u6574\u5904\u7406\u8005\u7684\u987a\u5e8f, \u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42.<br \/>\n$\\\\$ $\\cdot$ \u63a7\u5236\u5904\u7406\u8005\u7684\u987a\u5e8f: \u5728\u8bbe\u8ba1\u548c\u5b9e\u73b0\u4e2d, \u8981\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u573a\u666f\u7684\u9700\u8981\u8fdb\u884c\u7075\u6d3b\u8c03\u6574, \u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u89e3\u8026\u548c\u53ef\u6269\u5c55\u6027. \u901a\u8fc7\u63a7\u5236\u5904\u7406\u8005\u7684\u987a\u5e8f, \u53ef\u4ee5\u786e\u4fdd\u8d23\u4efb\u94fe\u7684\u6267\u884c\u987a\u5e8f\u7b26\u5408\u4e1a\u52a1\u9700\u6c42.<br \/>\n$\\\\$ $\\cdot$ \u4f7f\u7528\u5355\u5411\u94fe\u8868\u6216\u96c6\u5408\u8fed\u4ee3\u5668\u5b9e\u73b0: \u8d23\u4efb\u94fe\u6a21\u5f0f\u7684\u5b9e\u73b0\u65b9\u5f0f\u6709\u5355\u5411\u94fe\u8868\u5b9e\u73b0\u548c\u96c6\u5408\u8fed\u4ee3\u5668\u5b9e\u73b0, \u4f18\u5316\u65b9\u5f0f\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u548cAOP\u6765\u7b80\u5316\u5b9e\u73b0\u548c\u63d0\u9ad8\u53ef\u6269\u5c55\u6027.<br \/>\n$\\\\$ $\\cdot$ \u5b9a\u4e49\u8bf7\u6c42\u63a5\u53e3\u548c\u7ef4\u62a4\u540e\u7ee7\u94fe\u63a5: \u6bcf\u4e2a\u5904\u7406\u8005\u7c7b\u4e0d\u4ec5\u5b9a\u4e49\u4e86\u8bf7\u6c42\u63a5\u53e3, \u8fd8\u7ef4\u62a4\u4e86\u540e\u7ee7\u94fe\u63a5, \u5e76\u63d0\u4f9b\u9ed8\u8ba4\u5b9e\u73b0\u6765\u8f6c\u53d1\u8bf7\u6c42. \u8fd9\u6837\u53ef\u4ee5\u964d\u4f4e\u8026\u5408\u5ea6\u5e76\u589e\u5f3a\u7075\u6d3b\u6027.<br \/>\n$\\\\$ $\\cdot$ \u53d6\u6d88\u4f20\u9012\u8bf7\u6c42: \u5904\u7406\u8005\u53ef\u4ee5\u51b3\u5b9a\u4e0d\u518d\u6cbf\u7740\u94fe\u4f20\u9012\u8bf7\u6c42, \u8fd9\u53ef\u9ad8\u6548\u5730\u53d6\u6d88\u4e0d\u5fc5\u8981\u7684\u5904\u7406, \u4ece\u800c\u63d0\u9ad8\u6548\u7387.<br \/>\n$\\\\$ $\\cdot$ \u907f\u514d\u5faa\u73af\u4f9d\u8d56: \u5728\u4f7f\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f\u65f6\u9700\u8981\u6ce8\u610f\u5b58\u5728\u5faa\u73af\u4f9d\u8d56\u7684\u95ee\u9898, \u786e\u4fdd\u94fe\u7684\u7ed3\u6784\u662f\u5408\u7406\u7684.<\/p>\n<p>\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<br \/>\n\u7248\u6743\u58f0\u660e\uff1a\u672c\u5c0f\u8282\u5185\u5bb9\u6765\u6e90\u4e8eCSDN\u535a\u4e3b\u300c\u6570\u5b66\u5c0f\u5e08Yq\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faaCC 4.0 BY-SA\u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002<br \/>\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/2302_80644606\/article\/details\/141462770<\/p>\n<p><strong>3. UE5\u5b9e\u8df5<\/strong><\/p>\n<p>\u6211\u4eec\u521b\u5efa\u62bd\u8c61\u7c7bFAbstractLogger, \u5e26\u6709\u8be6\u7ec6\u7684\u65e5\u5fd7\u8bb0\u5f55\u7ea7\u522b. \u7136\u540e\u6211\u4eec\u521b\u5efa\u4e09\u79cd\u7c7b\u578b\u7684\u8bb0\u5f55\u5668, \u90fd\u7ee7\u627f\u4e86FAbstractLogger. \u6bcf\u4e2a\u8bb0\u5f55\u5668\u6d88\u606f\u7684\u7ea7\u522b\u662f\u5426\u5c5e\u4e8e\u81ea\u5df1\u7684\u7ea7\u522b, \u5982\u679c\u662f\u5219\u76f8\u5e94\u5730\u6253\u5370\u51fa\u6765, \u5426\u5219\u5c06\u4e0d\u6253\u5370\u5e76\u628a\u6d88\u606f\u4f20\u7ed9\u4e0b\u4e00\u4e2a\u8bb0\u5f55\u5668.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/2021-chain-of-responsibility.png\" alt=\"\" width=\"854\" height=\"545\" class=\"aligncenter size-full wp-image-4381\" srcset=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/2021-chain-of-responsibility.png 854w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/2021-chain-of-responsibility-300x191.png 300w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/2021-chain-of-responsibility-768x490.png 768w\" sizes=\"(max-width: 854px) 100vw, 854px\" \/><\/p>\n<p><strong>3.1 \u6b65\u9aa41<\/strong><\/p>\n<p>\u521b\u5efa\u62bd\u8c61\u7684\u8bb0\u5f55\u5668\u7c7b.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n#pragma once\r\n\r\n#include \"CoreMinimal.h\"\r\n\r\n\r\nclass FAbstractLogger \r\n{\r\npublic:\r\n\tvoid SetNextLogger(FAbstractLogger* InNextLogger)\r\n\t{\r\n\t\tNextLogger = InNextLogger;\r\n\t}\r\n\r\n\tFAbstractLogger* GetNextLogger()\r\n\t{\r\n\t\treturn NextLogger;\r\n\t}\r\n\r\n\tvoid LogMessage(int32 InLevel, const FString& Message)\r\n\t{\r\n\t\tif (Level <= InLevel)\r\n\t\t{\r\n\t\t\tWrite(Message);\r\n\t\t}\r\n\r\n\t\tif (NextLogger != nullptr)\r\n\t\t{\r\n\t\t\tNextLogger->LogMessage(InLevel, Message);\r\n\t\t}\r\n\t}\r\n\r\nprotected:\r\n\tvirtual void Write(const FString& Message) = 0;\r\n\r\npublic:\r\n\tstatic int32 Info = 1;\r\n\tstatic int32 Debug = 2;\r\n\tstatic int32 Error = 3;\r\n\r\nprotected:\r\n\tint32 Level;\r\n\r\n\tFAbstractLogger* NextLogger;\r\n};\r\n\r\n<\/pre>\n<p><strong>3.2 \u6b65\u9aa42<\/strong><\/p>\n<p>\u521b\u5efa\u7ee7\u627f\u4e86\u8be5\u8bb0\u5f55\u5668\u7c7b\u7684\u5b9e\u4f53\u7c7b.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n#pragma once\r\n\r\n#pragma once\r\n\r\n#include \"AbstractLogger.h\"\r\n\r\n\r\nclass FConsoleLogger : public FAbstractLogger\r\n{\r\npublic:\r\n\tFConsoleLogger(int32 InLevel) : Level(InLevel)\r\n\t{\r\n\t}\r\n\r\n\tvirtual void Write(const FString& Message)\r\n\t{\r\n\t\tUE_LOG(LogTemp, Log, TEXT(\"Standard Console::Logger: %s\"), *Message);\r\n\t}\r\n};\r\n\r\n<\/pre>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n#pragma once\r\n\r\n#include \"AbstractLogger.h\"\r\n\r\n\r\nclass FErrorLogger : public FAbstractLogger\r\n{\r\npublic:\r\n\tFErrorLogger(int32 InLevel) : Level(InLevel)\r\n\t{\r\n\t}\r\n\r\n\tvirtual void Write(const FString& Message)\r\n\t{\r\n\t\tUE_LOG(LogTemp, Error, TEXT(\"Error Console::Logger: %s\"), *Message);\r\n\t}\r\n};\r\n\r\n<\/pre>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n#pragma once\r\n\r\n#include \"AbstractLogger.h\"\r\n\r\n\r\nclass FFileLogger : public FAbstractLogger\r\n{\r\npublic:\r\n\tFFileLogger(int32 InLevel) : Level(InLevel)\r\n\t{\r\n\t}\r\n\r\n\tvirtual void Write(const FString& Message)\r\n\t{\r\n\t\tUE_LOG(LogTemp, Log, TEXT(\"File::Logger: %s\"), *Message);\r\n\t}\r\n};\r\n\r\n<\/pre>\n<p><strong>3.3 \u6b65\u9aa43<\/strong><\/p>\n<p>\u521b\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u8bb0\u5f55\u5668. \u8d4b\u4e88\u5b83\u4eec\u4e0d\u540c\u7684\u9519\u8bef\u7ea7\u522b, \u5e76\u5728\u6bcf\u4e2a\u8bb0\u5f55\u5668\u4e2d\u8bbe\u7f6e\u4e0b\u4e00\u4e2a\u8bb0\u5f55\u5668. \u6bcf\u4e2a\u8bb0\u5f55\u5668\u4e2d\u7684\u4e0b\u4e00\u4e2a\u8bb0\u5f55\u5668\u4ee3\u8868\u7684\u662f\u94fe\u7684\u4e00\u90e8\u5206.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n#include \"ConsoleLogger.h\"\r\n#include \"ErrorLogger.h\"\r\n#include \"FileLogger.h\"\r\n\r\n\r\nstatic FAbstractLogger* GetChainOfLoggers()\r\n{\r\n\tFAbstractLogger* ErrorLogger = new FErrorLogger(FAbstractLogger::Error);\r\n\tFAbstractLogger* FileLogger = new FErrorLogger(FAbstractLogger::Debug);\r\n\tFAbstractLogger* ConsoleLogger = new FErrorLogger(FAbstractLogger::Info);\r\n\r\n\tErrorLogger->SetNextLogger(FileLogger);\r\n\tFileLogger->SetNextLogger(ConsoleLogger);\r\n\r\n\treturn ErrorLogger;\r\n}\r\n\r\nint main()\r\n{\r\n\tFAbstractLogger* LoggerChain = GetChainOfLoggers();\r\n\tLoggerChain->LogMessage(FAbstractLogger::Info, TEXT(\"This is an information.\"));\r\n\tLoggerChain->LogMessage(FAbstractLogger::Debug, TEXT(\"This is a debug level information.\"));\r\n\tLoggerChain->LogMessage(FAbstractLogger::Error, TEXT(\"This is an error information.\"));\r\n\r\n\twhile (LoggerChain != nullptr)\r\n\t{\r\n\t\tFAbstractLogger* NextLogger = LoggerChain->GetNextLogger();\r\n\t\tdelete LoggerChain;\r\n\t\tLoggerChain = NextLogger;\r\n\t}\r\n\r\n\tLoggerChain = nullptr;\r\n\r\n\treturn 0;\r\n}\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u53c2\u8003\u6750\u6599 1. \u3010UE4 \u8bbe\u8ba1\u6a21\u5f0f\u3011\u7b56\u7565\u6a21\u5f0f Strategy Pattern 2. \u8d23\u4efb\u94fe\u6a21\u5f0f 3. \u6e38\u620f\u5f00 &hellip; <a href=\"https:\/\/www.caiqinyi.cn\/index.php\/2025\/09\/01\/ue5_design_pattern_chain_responsibility_pattern\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">[UE5 \u8bbe\u8ba1\u6a21\u5f0f] \u8d23\u4efb\u94fe\u6a21\u5f0fChain of Responsibility Pattern<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,32],"tags":[],"_links":{"self":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4372"}],"collection":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/comments?post=4372"}],"version-history":[{"count":11,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4372\/revisions"}],"predecessor-version":[{"id":4452,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4372\/revisions\/4452"}],"wp:attachment":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/media?parent=4372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/categories?post=4372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/tags?post=4372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}