{"id":207626,"date":"2025-07-08T08:03:46","date_gmt":"2025-07-08T00:03:46","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207626\/"},"modified":"2025-07-08T08:03:46","modified_gmt":"2025-07-08T00:03:46","slug":"%e9%80%9a%e8%bf%87%e5%8f%8d%e5%b0%84%e5%9c%a8%e8%bf%90%e8%a1%8c%e6%97%b6%e6%8c%89%e5%90%8d%e7%a7%b0%e5%8a%a8%e6%80%81%e5%ae%9e%e4%be%8b%e5%8c%96%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207626\/","title":{"rendered":"\u901a\u8fc7\u53cd\u5c04\u5728\u8fd0\u884c\u65f6\u6309\u540d\u79f0\u52a8\u6001\u5b9e\u4f8b\u5316\u7ed3\u6784"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u901a\u8fc7\u53cd\u5c04\u5728\u8fd0\u884c\u65f6\u6309\u540d\u79f0\u52a8\u6001\u5b9e\u4f8b\u5316\u7ed3\u6784<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-24 08:54:33<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9Golang<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecdGolang<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300a\u901a\u8fc7\u53cd\u5c04\u5728\u8fd0\u884c\u65f6\u6309\u540d\u79f0\u52a8\u6001\u5b9e\u4f8b\u5316\u7ed3\u6784\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

go \u4e2d\u662f\u5426\u6709\u4e0e java \u7b49\u8bed\u8a00\u63d0\u4f9b\u7684\u52a8\u6001\u7c7b\u5b9e\u4f8b\u5316\u529f\u80fd\u7b49\u6548\u7684\u529f\u80fd\uff08\u6ce8\u610f\uff1a\u4e3a\u7b80\u6d01\u8d77\u89c1\uff0c\u6b64\u5904\u7701\u7565\u4e86\u5fc5\u9700\u7684\u5f02\u5e38\u5904\u7406\u903b\u8f91\uff09\uff1a<\/p>\n

class cls = class.forname(\"org.company.domain.user\");\nconstructor<user> userconstructor = cls.getconstructor();\nuser user1 = userconstructor.newinstance();<\/pre>\n
\u4e0a\u9762\u7684\u7b80\u77ed java \u4ee3\u7801\u7247\u6bb5\u672c\u8d28\u4e0a\u662f\u901a\u8fc7\u63d0\u4f9b\u7684\u5b8c\u5168\u9650\u5b9a\u7c7b\u8def\u5f84\u5b57\u7b26\u4e32<\/strong>\u83b7\u53d6\u5bf9\u7c7b\u7684\u5f15\u7528\uff0c\u7136\u540e\u4f7f\u7528\u7c7b\u5f15\u7528\u6765\u83b7\u53d6\u5bf9\u96f6\u53c2\u6570\u6784\u9020\u51fd\u6570\uff08\u5982\u679c\u5b58\u5728\uff09\u7684\u5f15\u7528\uff0c\u5e76\u4e14\u6700\u540e\uff0c\u6784\u9020\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5bf9\u8be5\u7c7b\u5b9e\u4f8b\u7684\u5f15\u7528\u3002<\/p>\n
\u6211\u8fd8\u6ca1\u6709\u5728 go \u4e2d\u627e\u5230\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u7ed3\u679c\u7684\u7c7b\u4f3c\u673a\u5236\u7684\u793a\u4f8b\u3002\u66f4\u5177\u4f53\u5730\u8bf4\uff0cgo \u4e2d\u7684 reflect \u5305\u4f3c\u4e4e\u8981\u6c42\u8c03\u7528\u8005\u5df2\u7ecf\u5f15\u7528\u4e86\u4ed6\u4eec\u5e0c\u671b\u5b9e\u4f8b\u5316\u7684\u7ed3\u6784\u7c7b\u578b\u3002\u8fd9\u65b9\u9762\u7684\u6807\u51c6\u4e60\u60ef\u7528\u6cd5\u4f3c\u4e4e\u5982\u4e0b\uff1a<\/p>\n
reflect.New(reflect.TypeOf(domain.User))<\/pre>\n
\u6ce8\u610f\uff1a\u63d0\u4f9b\u7ed9reflect.typeof\u51fd\u6570\u7684\u53c2\u6570\u5fc5\u987b\u662f\u7c7b\u578b<\/strong>\u800c\u4e0d\u662f\u5b57\u7b26\u4e32<\/strong>\u3002\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u5305\u5728 go \u4e2d\u5b9e\u4f8b\u5316\u7ed3\u6784\u4f53\uff0c\u4ec5\u4f7f\u7528\u5176\u5b8c\u5168\u9650\u5b9a\u540d\u79f0\u5417\uff1f<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
kubernetes \u5728 \u7ed3\u6784\u4e2d\u5904\u7406\u8fd9\u4e2a\u786e\u5207\u7684\u8fc7\u7a0b\u3002\u8fd9\u4e2a\u60f3\u6cd5\u662f\uff0c\u60a8\u4f7f\u7528\u540d\u79f0\u6216\u5176\u4ed6\u6807\u8bc6\u7b26\u6ce8\u518c\u7c7b\u578b\uff0c\u7136\u540e\u60a8\u53ef\u4ee5\u6839\u636e\u6807\u8bc6\u7b26\u968f\u610f\u8bf7\u6c42\u8fd9\u4e9b\u7c7b\u578b\u7684\u65b0\u5b9e\u4f8b\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u8be5\u6807\u8bc6\u7b26\u662f\u5728\u5e8f\u5217\u5316\u8fc7\u7a0b\u4e2d\u6d3e\u751f\u7684\uff0c\u800c\u4e0d\u662f\u786c\u7f16\u7801\u5230\u6e90\u4e2d\u3002<\/p>\n
\u95ee\u9898\u6b63\u5982\u60a8\u6240\u8bf4\uff0c\u60a8\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u5b9e\u4f8b\u3002\u867d\u7136\u8fd9\u79cd\u6a21\u5f0f\u5e76\u4e0d\u5e38\u89c1\uff0c\u4f46\u6211\u5728\u804c\u4e1a\u751f\u6daf\u4e2d\u9047\u5230\u8fc7\u4e24\u4e2a\u6848\u4f8b\uff0c\u8fd9\u662f\u5408\u4e4e\u903b\u8f91\u7684\u89e3\u51b3\u65b9\u6848\u3002\u4ee5\u4e0b\u662f k8s runtime.scheme<\/code> \u4e3a\u5b9e\u73b0\u6b64\u76ee\u7684\u6240\u505a\u7684\u975e\u5e38<\/em>\u7cbe\u7b80\u7248\u672c\u7684\u793a\u4f8b\uff0c\u5b83\u53ef\u80fd\u9002\u7528\u4e8e\u60a8\u6b63\u5728\u5c1d\u8bd5\u6267\u884c\u7684\u64cd\u4f5c\u548c \uff1a<\/p>\n
package main\n\nimport (\n    \"fmt\"\n    \"reflect\"\n)\n\ntype Scheme struct {\n    types map[string]reflect.Type\n}\n\nfunc (s *Scheme) RegisterType(name string, t interface{}) {\n    a := reflect.TypeOf(t)\n    s.types[name] = a\n}\n\nfunc (s *Scheme) New(name string) (interface{}, error) {\n    t, ok := s.types[name]\n    if !ok {\n        return nil, fmt.Errorf(\"unrecognized type name: %s\", name)\n    }\n    return reflect.New(t).Interface(), nil\n}\n\nfunc NewScheme() *Scheme {\n    return &Scheme{types: map[string]reflect.Type{}}\n}\n\ntype MyType struct {\n    Foo string\n}\n\nfunc main() {\n    scheme := NewScheme()\n    scheme.RegisterType(\"my.type\", MyType{})\n    myType, _ := scheme.New(\"my.type\")\n    myType.(*MyType).Foo = \"bar\"\n    fmt.Println(\"%+v\", myType)\n}<\/pre>\n
\u4eca\u5929\u5173\u4e8e\u300a\u901a\u8fc7\u53cd\u5c04\u5728\u8fd0\u884c\u65f6\u6309\u540d\u79f0\u52a8\u6001\u5b9e\u4f8b\u5316\u7ed3\u6784\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207626","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207626"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207626\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}