{"id":208281,"date":"2025-07-08T11:06:27","date_gmt":"2025-07-08T03:06:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208281\/"},"modified":"2025-07-08T11:06:27","modified_gmt":"2025-07-08T03:06:27","slug":"%e5%a6%82%e4%bd%95%e6%b5%8b%e8%af%95%e5%88%9b%e5%bb%ba%e5%92%8c%e6%b3%a8%e5%85%a5%e4%be%9d%e8%b5%96%e9%a1%b9%e7%9a%84%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208281\/","title":{"rendered":"\u5982\u4f55\u6d4b\u8bd5\u521b\u5efa\u548c\u6ce8\u5165\u4f9d\u8d56\u9879\u7684\u51fd\u6570"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u6d4b\u8bd5\u521b\u5efa\u548c\u6ce8\u5165\u4f9d\u8d56\u9879\u7684\u51fd\u6570<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-05-01 10:48:33<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5b66\u4e60Golang<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300a\u5982\u4f55\u6d4b\u8bd5\u521b\u5efa\u548c\u6ce8\u5165\u4f9d\u8d56\u9879\u7684\u51fd\u6570\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60Golang<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

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

\u6211\u7684\u95ee\u9898\u662f\u5982\u4f55\u51b3\u5b9a\u5728\u4f55\u5904\u6ce8\u5165\u4f9d\u8d56\u9879\uff0c\u4ee5\u53ca\u5982\u4f55\u6d4b\u8bd5\u9996\u5148\u5c06\u4f9d\u8d56\u9879\u6ce8\u5165\u5230\u51fd\u6570\u4e2d\u7684\u51fd\u6570\uff1f<\/p>\n

\u4f8b\u5982\uff0c\u6211\u6b63\u5728\u91cd\u6784\u4e00\u4e9b go \u4ee3\u7801\u4ee5\u4f7f\u7528\u4f9d\u8d56\u9879\u6ce8\u5165\uff0c\u76ee\u7684\u662f\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u6d4b\u8bd5\u3002<\/p>\n

\u8fd9\u5c31\u662f\u6211\u91cd\u6784\u7684\u4ee3\u7801\u7684\u6837\u5b50\uff1a<\/p>\n

type FooIface interface {\n  FooFunc()\n}\n\ntype Foo struct {}\n\nfunc (f *Foo) FooFunc() {\n  \/\/ Some function I would like to stub\n}\n\nfunc main() {\n  OuterFunction()\n}\n\nfunc OuterFunction() {\n  fooVar := &Foo{}\n  InnerFunction(fooVar)\n  \/\/ Other stuff\n}\n\nfunc InnerFunction(f *FooIface) {\n  f.FooFunc()\n  \/\/ Other stuff\n}<\/pre>\n
\u6211\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528\u5b58\u6839 foofunc() \u5b9e\u73b0 fooiface \u7684\u6a21\u62df\u7ed3\u6784\u6765\u8f7b\u677e\u6d4b\u8bd5 innerfunction\uff0c\u6240\u4ee5\u8fd9\u91cc\u4e00\u5207\u90fd\u5f88\u597d\u3002 \u4f46\u662f\uff0c\u5982\u679c\u6211\u60f3\u6d4b\u8bd5 outerfunction() \u8be5\u600e\u4e48\u529e\uff1f\u90a3\u4e48\u65e2\u7136\u6ce8\u5165\u7684\u4f9d\u8d56\u9879\u662f\u5728 outerfunction() \u4e2d\u521b\u5efa\u7684\uff0c\u90a3\u4e48\u6211\u5982\u4f55\u4ece\u90a3\u91cc\u5b58\u6839 foofunc() \u5462\uff1f<\/strong><\/p>\n
\u6211\u662f\u5426\u5fc5\u987b\u901a\u8fc7\u5728 main \u4e2d\u521b\u5efa &foo{} \u7ed3\u6784\uff0c\u7136\u540e\u5c06\u5176\u6ce8\u5165\u5230 outerfunction() \u4e2d\uff0c\u5c06\u5b83\u7684\u521b\u5efa\u4ece outerfunction() \u4e2d\u79fb\u51fa\u4e00\u7ea7\uff1f<\/p>\n
\u6362\u53e5\u8bdd\u8bf4\uff0c\u60a8\u5c06\u5982\u4f55\u6d4b\u8bd5\u521b\u5efa\u548c\u6ce8\u5165\u4f9d\u8d56\u9879\u7684\u51fd\u6570<\/strong>\uff1f<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5f53\u4eba\u4eec\u8c08\u8bba\u4f9d\u8d56\u6ce8\u5165\u65f6\uff0c\u901a\u5e38\u662f\u5728\u521b\u5efa\u5bf9\u8c61\u7684\u4e0a\u4e0b\u6587\u4e2d\uff08\u6216\u5728 go \u7684 case \u7ed3\u6784\u4e2d\uff09\u3002<\/p>\n
\u5728 go \u4e2d\u6267\u884c\u6b64\u64cd\u4f5c\u7684\u89c4\u8303\u65b9\u6cd5\u662f\u4f7f\u7528 new<\/code> \u51fd\u6570\uff0c\u4f8b\u5982 object_name.new(...)<\/code> \u6216 package_name.newobjectname(...)<\/code>\u3002\u8fd9\u4e9b\u51fd\u6570\u63a5\u53d7\u5bf9\u8c61\u4f9d\u8d56\u9879\u5e76\u8f93\u51fa\u5bf9\u8c61\u7684\u5b9e\u4f8b\u3002<\/p>\n
\u4e0a\u9762\u60a8\u5728\u9759\u6001\u51fd\u6570\u4e2d\u6267\u884c\u4e86\u5927\u91cf\u4ee3\u7801\u3002\u5b83\u53ef\u4ee5\u53cd\u8f6c\u4e3a\u521b\u5efa\u7684\u5e76\u5177\u6709\u65b9\u6cd5\u7684\u5bf9\u8c61\u5417\uff1f\u8fd9\u6709\u65f6\u79f0\u4e3a\u63a7\u5236\u53cd\u8f6c\u3002<\/p>\n
type foo {\n    bar bar\n    baz baz\n}\n\nfunc newfoo(bar bar, baz baz) *foo {\n    return &foo{ bar: bar, baz: baz }\n}\n\nfunc (foo *foo) x() {\n    foo.bar.y()\n    foo.baz.z()\n}<\/pre>\n
\u8be5\u6a21\u578b\u53ef\u4ee5\u6269\u5c55\u5230\u591a\u4e2a\u7ea7\u522b\uff0c\u56e0\u6b64\u6d4b\u8bd5\u66f4\u5bb9\u6613\u3002<\/p>\n
foo := NewFoo(\n    NewBar(...),\n    NewBaz(...),\n)<\/pre>\n
\u8fd9\u91cc\u662f \u53ef\u80fd\u4f1a\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u6d4b\u8bd5\u521b\u5efa\u548c\u6ce8\u5165\u4f9d\u8d56\u9879\u7684\u51fd\u6570\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-208281","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208281","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=208281"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208281\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}