{"id":300,"date":"2022-06-30T13:42:44","date_gmt":"2022-06-30T05:42:44","guid":{"rendered":"https:\/\/www.fengjijiao.cn\/?p=300"},"modified":"2022-06-30T13:42:45","modified_gmt":"2022-06-30T05:42:45","slug":"c%e5%8c%bf%e5%90%8d%e6%96%b9%e6%b3%95%ef%bc%88anonymous-method%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.fengjijiao.cn\/?p=300","title":{"rendered":"C#\u533f\u540d\u65b9\u6cd5\uff08Anonymous Method\uff09"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>using System;\r\n\r\ndelegate void NumberChanger(int n);\r\n\r\nnamespace ConsoleApp1\r\n{\r\n    class Program\r\n    {\r\n        static int num = 10;\r\n        public static void AddNum(int p)\r\n        {\r\n            num += p;\r\n            Console.WriteLine(\"Named Method: {0}\", num);\r\n        }\r\n        public static void MultNum(int q)\r\n        {\r\n            num *= q;\r\n            Console.WriteLine(\"Named Method: {0}\", num);\r\n        }\r\n\r\n        static void Main(string&#91;] args)\r\n        {\r\n            \/\/C#\u533f\u540d\u65b9\u6cd5\r\n            \/*\r\n             * \u59d4\u6258\u662f\u7528\u4e8e\u5f15\u7528\u4e0e\u5176\u5177\u6709\u76f8\u540c\u6807\u7b7e\u7684\u65b9\u6cd5\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u59d4\u6258\u5bf9\u8c61\u8c03\u7528\u53ef\u7531\u59d4\u6258\u5f15\u7528\u7684\u65b9\u6cd5\u3002\r\n             * \u533f\u540d\u65b9\u6cd5(Anonymous methods)\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f20\u9012\u4ee3\u7801\u5757\u4f5c\u4e3a\u59d4\u6258\u53c2\u6570\u7684\u6280\u672f\u3002\u533f\u540d\u65b9\u6cd5\u662f\u6ca1\u6709\u540d\u79f0\u53ea\u6709\u4e3b\u4f53\u7684\u65b9\u6cd5\u3002\r\n             * \u5728\u533f\u540d\u65b9\u6cd5\u4e2d\u4e0d\u9700\u8981\u6307\u5b9a\u8fd4\u56de\u7c7b\u578b\uff0c\u5b83\u662f\u4ece\u65b9\u6cd5\u4e3b\u4f53\u5185\u7684return\u8bed\u53e5\u63a8\u65ad\u7684\u3002\r\n             * \r\n             *\/\r\n            \/\/\u7f16\u5199\u533f\u540d\u65b9\u6cd5\u7684\u8bed\u6cd5\r\n            \/*\u533f\u540d\u65b9\u6cd5\u662f\u901a\u8fc7delegate\u5173\u952e\u5b57\u521b\u5efa\u59d4\u6258\u5b9e\u4f8b\u6765\u58f0\u660e\u7684\u3002\r\n             * delegate void NumberChanger(int n);\r\n             * NumberChanger nc = delegate(int x)\r\n             * {\r\n             *     Console.WriteLine(\"Anonymous Method: {0}\", x);\r\n             * };\r\n             * \u4ee3\u7801\u5757Console.WriteLine(\"Annoymous Method: {0}\", x);\u662f\u533f\u540d\u65b9\u6cd5\u7684\u4e3b\u4f53\u3002\r\n             * \u59d4\u6258\u53ef\u4ee5\u901a\u8fc7\u533f\u540d\u65b9\u6cd5\u8c03\u7528\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u547d\u540d\u65b9\u6cd5\u8c03\u7528\uff0c\u5373\uff1a\u901a\u8fc7\u5411\u59d4\u6258\u5bf9\u8c61\u4f20\u9012\u65b9\u6cd5\u53c2\u6570\u3002\r\n             * \u6ce8\u610f\uff1a\u533f\u540d\u65b9\u6cd5\u7684\u4e3b\u4f53\u540e\u9762\u9700\u8981\u4e00\u4e2a;\r\n             * \u4f8b\u5982\uff1a\r\n             * nc(10);\r\n             *\/\r\n            \/\/\u5b9e\u4f8b\r\n            \/\/\u4f7f\u7528\u533f\u540d\u65b9\u6cd5\u521b\u5efa\u59d4\u6258\u5b9e\u4f8b\r\n            NumberChanger nc = delegate (int x)\r\n            {\r\n                Console.WriteLine(\"Anonymous Method: {0}\", x);\r\n            };\r\n            \/\/\u4f7f\u7528\u533f\u540d\u65b9\u6cd5\u8c03\u7528\u59d4\u6258\r\n            nc(10);\r\n            \/\/\u4f7f\u7528\u547d\u540d\u65b9\u6cd5\u5b9e\u4f8b\u5316\u59d4\u6258\r\n            nc = new NumberChanger(AddNum);\r\n            \/\/\u4f7f\u7528\u547d\u540d\u65b9\u6cd5\u8c03\u7528\u59d4\u6258\r\n            nc(5);\r\n            \/\/\u4f7f\u7528\u53e6\u4e00\u4e2a\u547d\u540d\u65b9\u6cd5\u5b9e\u4f8b\u5316\u59d4\u6258\r\n            nc = new NumberChanger(MultNum);\r\n            \/\/\u4f7f\u7528\u547d\u540d\u65b9\u6cd5\u8c03\u7528\u59d4\u6258\r\n            nc(2);\r\n\r\n            Console.ReadKey();\r\n        }\r\n    }\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/posts\/300"}],"collection":[{"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=300"}],"version-history":[{"count":1,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions"}],"predecessor-version":[{"id":301,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions\/301"}],"wp:attachment":[{"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fengjijiao.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}