{"id":42898,"date":"2024-12-01T13:32:39","date_gmt":"2024-12-01T05:32:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/42898\/"},"modified":"2024-12-01T13:32:39","modified_gmt":"2024-12-01T05:32:39","slug":"golang-%e4%b8%ad%e5%b5%8c%e5%85%a5%e7%b1%bb%e5%9e%8b%e7%9a%84%e5%86%85%e9%83%a8%e7%8a%b6%e6%80%81-%e5%ae%83%e6%98%af%e5%a6%82%e4%bd%95%e5%b7%a5%e4%bd%9c%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/42898\/","title":{"rendered":"golang \u4e2d\u5d4c\u5165\u7c7b\u578b\u7684\u5185\u90e8\u72b6\u6001 – \u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> golang \u4e2d\u5d4c\u5165\u7c7b\u578b\u7684\u5185\u90e8\u72b6\u6001 – \u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/span><\/p>\n

golang \u4e2d\u5d4c\u5165\u7c7b\u578b\u7684\u5185\u90e8\u72b6\u6001 – \u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h1>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-27 10:24:36<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

Golang<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300agolang \u4e2d\u5d4c\u5165\u7c7b\u578b\u7684\u5185\u90e8\u72b6\u6001 – \u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

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

\u6211\u6b63\u5728\u5c1d\u8bd5\u5728 golang \u4e2d\u5d4c\u5165\uff0c\u5f53\u6d89\u53ca\u5230\u5d4c\u5165\u5230\u53e6\u4e00\u4e2a\u7c7b\u578b\u4e2d\u7684\u7c7b\u578b\u65f6\uff0c\u6211\u6709\u70b9\u56f0\u60d1\u3002<\/p>\n

\u8fd9\u662f\u6211\u7684\u95ee\u9898\uff1a\u5982\u679c\u6211\u6709\u4e00\u4e2a int \u7c7b\u578b embedii<\/code>\uff0c\u5e76\u4e14\u5b83\u6709\u4e00\u4e2a\u5f71\u54cd\u5176\u503c\u7684\u65b9\u6cd5\uff0c\u90a3\u4e48\u5b83\u662f\u5426\u5e94\u8be5\u51fa\u73b0\u5728\u5d4c\u5165\u5b83\u7684\u7c7b\u578b\u4e2d\uff1f<\/p>\n

\u8fd9\u662f\u6211\u6b63\u5728\u73a9\u7684\uff1a<\/p>\n

package main\n\nimport (\n  \"fmt\"\n)\n\ntype Embedii int\n\nfunc (y *Embedii) Do() {\n  if y == nil {\n    y = new(Embedii)\n  } else {\n    *y = *y + 1\n  }\n  fmt.Println(*y)\n}\n\ntype Embedder struct {\n  *Embedii\n}\n\nfunc main() {\n  embedii := new(Embedii)\n  embedii.Do() \/\/ prints 1\n  embedii.Do() \/\/ prints 2\n\n  fmt.Println(\"---\")\n\n  embedder := new(Embedder)\n  embedder.Do() \/\/ prints 0\n  embedder.Do() \/\/ prints 0\n\n  fmt.Println(\"---\")\n\n  nembedii := new(Embedii)\n  embedo := &Embedder{nembedii}\n  embedo.Do() \/\/ prints 1\n  embedo.Do() \/\/ prints 2\n}\n\n<\/pre>\n
https:\/\/play.golang.org\/p\/arqkesvwos-<\/p>\n
\u6211\u5f88\u597d\u5947\u4e3a\u4ec0\u4e48\u6211\u5fc5\u987b\u5c06 embedii<\/code> \u7684\u73b0\u6709\u5b9e\u4f8b\u663e\u5f0f\u4f20\u9012\u7ed9 embedder<\/code> \u7c7b\u578b\u624d\u80fd\u6b63\u5e38\u5de5\u4f5c<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5728 embedii.do()<\/code> \u4e2d\uff0c\u63a5\u6536\u8005\u662f\u4e00\u4e2a\u6307\u9488\u503c\u3002\u8fd9\u662f\u4e00\u4e2a\u526f\u672c\u3002\u5411\u8be5\u6307\u9488\u53d8\u91cf\u5206\u914d\u4efb\u4f55\u5185\u5bb9\u53ea\u4f1a\u4fee\u6539\u526f\u672c\u3002<\/p>\n
y = new(embedii)<\/code>\u53ea\u662f\u5c06\u4e00\u4e2a\u6307\u9488\u8d4b\u7ed9\u5c40\u90e8\u53d8\u91cfy<\/code>\uff0c\u5f53do()<\/code>\u8fd4\u56de\u65f6\uff0c\u5b83\u5c31\u4e22\u5931\u4e86\u3002\u5f53\u518d\u6b21\u8c03\u7528\u65f6\uff0cy<\/code>\u5c06\u518d\u6b21\u6210\u4e3anil<\/code>\uff0c\u56e0\u6b64\u5b83\u521b\u5efa\u5e76\u4e3a\u5176\u5206\u914d\u4e00\u4e2a\u65b0\u503c\uff08\u8fd4\u56de\u540e\u5c06\u518d\u6b21\u4e22\u5931\uff09\u3002<\/p>\n
\u5982\u679c\u60a8\u4e8b\u5148\u521b\u5efa\u4e86 embedii<\/code>\uff0c\u5219\u5b83\u4f1a\u8d77\u4f5c\u7528\uff0c\u56e0\u4e3a\u8fd9\u6837\u60a8\u5c31\u4e0d\u4f1a\u5728 do()<\/code> \u4e2d\u521b\u5efa\u5e76\u5206\u914d\u5b83\uff08\u8fd9\u5c06\u4e22\u5931\uff09\u3002<\/p>\n
\u5982\u679c\u60a8\u8fd4\u56de\u65b0\u7684 embedii<\/code> \uff08\u66f4\u51c6\u786e\u5730\u8bf4\u662f\u5b83\u7684\u5730\u5740\uff09\u5e76\u5206\u914d\u5b83\uff0c\u60a8\u5c06\u770b\u5230\u5b83\u9012\u589e\uff0c\u4f46\u5b83\u5c06\u4ee5 0<\/code> \u800c\u4e0d\u662f 1<\/code> \u5f00\u5934\uff0c\u56e0\u4e3a\u7b2c\u4e00\u6b21\u8c03\u7528\u53ea\u662f\u521b\u5efa\u5b83\u800c\u4e0d\u9012\u589e\uff0c\u800c\u5728\u5176\u4ed6\u60c5\u51b5\u4e0b\u5b83\u5df2\u7ecf\u5b58\u5728\uff0c\u56e0\u6b64\u7b2c\u4e00\u6b21\u8c03\u7528\u7acb\u5373\u9012\u589e\uff1a<\/p>\n
func (y *embedii) do() *embedii {\n    if y == nil {\n        y = new(embedii)\n    } else {\n        *y = *y + 1\n    }\n    fmt.println(*y)\n    return y\n}<\/pre>\n
\u5e76\u4f7f\u7528\u5b83\uff1a<\/p>\n
embedder := new(embedder)\nembedder.embedii = embedder.do() \/\/ prints 0\nembedder.embedii = embedder.do() \/\/ prints 1<\/pre>\n
\u8f93\u51fa\u5c06\u4e3a\uff08\u5728  \u4e0a\u5c1d\u8bd5\uff09\uff1a<\/p>\n
1\n2\n---\n0\n1\n---\n1\n2<\/pre>\n
\u201c\u5b83\u5e94\u8be5\u51fa\u73b0\u5728\u5d4c\u5165\u5b83\u7684\u7c7b\u578b\u4e2d\u5417\uff1f\u201d\u662f\u7684\uff0c\u5b83\u5e94\u8be5\uff0c\u56e0\u4e3a\u5b83\u662f\u7ed3\u6784\u5185\u7684\u53e6\u4e00\u79cd\u7c7b\u578b\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300agolang \u4e2d\u5d4c\u5165\u7c7b\u578b\u7684\u5185\u90e8\u72b6\u6001 – \u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > > > golang \u4e2d\u5d4c\u5165\u7c7b\u578b\u7684\u5185\u90e8\u72b6\u6001 – \u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f golang \u4e2d\u5d4c\u5165\u7c7b\u578b\u7684\u5185\u90e8\u72b6\u6001 – \u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f \u6765\u6e90\uff1astackoverflow 2024-04-27 10:24:36 0\u6d4f\u89c8 \u6536\u85cf Golang\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300agolang \u4e2d\u5d4c\u5165\u7c7b\u578b\u7684\u5185\u90e8\u72b6\u6001 – \u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01 \u95ee\u9898\u5185\u5bb9 \u6211\u6b63\u5728\u5c1d\u8bd5\u5728 golang \u4e2d\u5d4c\u5165\uff0c\u5f53\u6d89\u53ca\u5230\u5d4c\u5165\u5230\u53e6\u4e00\u4e2a\u7c7b\u578b\u4e2d\u7684\u7c7b\u578b\u65f6\uff0c\u6211\u6709\u70b9\u56f0\u60d1\u3002 \u8fd9\u662f\u6211\u7684\u95ee\u9898\uff1a\u5982\u679c\u6211\u6709\u4e00\u4e2a int \u7c7b\u578b embedii\uff0c\u5e76\u4e14\u5b83\u6709\u4e00\u4e2a\u5f71\u54cd\u5176\u503c\u7684\u65b9\u6cd5\uff0c\u90a3\u4e48\u5b83\u662f\u5426\u5e94\u8be5\u51fa\u73b0\u5728\u5d4c\u5165\u5b83\u7684\u7c7b\u578b\u4e2d\uff1f \u8fd9\u662f\u6211\u6b63\u5728\u73a9\u7684\uff1a package main import ( “fmt” ) type Embedii int func (y *Embedii) Do() { if y == nil { y = new(Embedii) } else […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-42898","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/42898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=42898"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/42898\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=42898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=42898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=42898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}