{"id":206842,"date":"2025-06-12T08:07:34","date_gmt":"2025-06-12T00:07:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206842\/"},"modified":"2025-06-12T08:07:34","modified_gmt":"2025-06-12T00:07:34","slug":"go%e8%af%ad%e8%a8%80%e4%b8%ad%e6%8e%a5%e6%94%b6%e5%99%a8%e5%87%bd%e6%95%b0%e8%b0%83%e7%94%a8%e6%9c%aa%e5%88%9d%e5%a7%8b%e5%8c%96%e7%9a%84%e7%b1%bb%e5%9e%8b%e9%97%ae%e9%a2%98%e5%a6%82%e4%bd%95%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206842\/","title":{"rendered":"Go\u8bed\u8a00\u4e2d\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aGo\u8bed\u8a00\u4e2d\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u8986\u76d6\u4e86GOLANG\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241125\/1732530649674451d91e7b0.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u51fd\u6570\u63a5\u6536\u5668\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898<\/strong>,\u5728\u7ed9\u5b9a\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u9519\u8bef\u63d0\u793a\u6307\u51fa usermap \u7c7b\u578b\u672a\u521d\u59cb\u5316\uff0c\u5bfc\u81f4\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u5931\u8d25\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u6b65\u9aa4\uff1a,\u5728 main \u51fd\u6570\u4e2d\uff0c\u6b63\u786e\u521d\u59cb\u5316 usermap \u7c7b\u578b\u7684\u65b9\u5f0f\u4e3a\uff1a,\u8fd9\u6837\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684 usermap \u7c7b\u578b\u3002,\u4f7f\u7528\u63a5\u6536\u5668\u51fd\u6570\u65f6\uff0c\u5c06\u521d\u59cb\u5316\u540e\u7684 usermap \u7c7b\u578b\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u3002\u4f8b\u5982\uff1a,\u73b0\u5728\uff0c\u63a5\u6536\u5668\u51fd\u6570\u53ef\u4ee5\u8bbf\u95ee usermap \u7c7b\u578b\u53d8\u91cf s \u4e2d\u7684\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u8fdb\u884c\u4fee\u6539\u5e76\u8fd4\u56de\u7ed3\u679c\u3002,\u5728\u63a5\u6536\u5668\u51fd\u6570\u5185\u90e8\uff0c\u4e0d\u8981\u518d\u6b21\u4f7f\u7528 make \u521d\u59cb\u5316 usermap \u7c7b\u578b\uff0c\u56e0\u4e3a\u8fd9\u5c06 \u00fcberschreiben \u5df2\u7ecf\u521d\u59cb\u5316\u7684\u7c7b\u578b\u3002\u5982\u679c\u63a5\u6536\u5668\u51fd\u6570\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 usermap \u7c7b\u578b\uff0c\u5e94\u8be5\u4f7f\u7528\u65b0\u7684\u53d8\u91cf\u540d\u3002,\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGo\u8bed\u8a00\u4e2d\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,\u51fd\u6570\u63a5\u6536\u5668\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898,\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aGo\u8bed\u8a00\u4e2d\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u8986\u76d6\u4e86GOLANG\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go\u8bed\u8a00\u4e2d\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f<\/span><\/p>\n<h1>Go\u8bed\u8a00\u4e2d\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n<p><span>2024-11-25 18:31:04<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aGo\u8bed\u8a00\u4e2d\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u8986\u76d6\u4e86GOLANG\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241125\/1732530649674451d91e7b0.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u51fd\u6570\u63a5\u6536\u5668\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898<\/strong><\/p>\n<p>\u5728\u7ed9\u5b9a\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u9519\u8bef\u63d0\u793a\u6307\u51fa usermap \u7c7b\u578b\u672a\u521d\u59cb\u5316\uff0c\u5bfc\u81f4\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u5931\u8d25\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u521d\u59cb\u5316 usermap \u7c7b\u578b<\/strong><\/li>\n<\/ol>\n<p>\u5728 main \u51fd\u6570\u4e2d\uff0c\u6b63\u786e\u521d\u59cb\u5316 usermap \u7c7b\u578b\u7684\u65b9\u5f0f\u4e3a\uff1a<\/p>\n<pre>var s usermap = make(usermap)<\/pre>\n<p>\u8fd9\u6837\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684 usermap \u7c7b\u578b\u3002<\/p>\n<ol>\n<li><strong>\u4f7f\u7528\u63a5\u6536\u5668\u51fd\u6570<\/strong><\/li>\n<\/ol>\n<p>\u4f7f\u7528\u63a5\u6536\u5668\u51fd\u6570\u65f6\uff0c\u5c06\u521d\u59cb\u5316\u540e\u7684 usermap \u7c7b\u578b\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>val := s.get(1)<\/pre>\n<p>\u73b0\u5728\uff0c\u63a5\u6536\u5668\u51fd\u6570\u53ef\u4ee5\u8bbf\u95ee usermap \u7c7b\u578b\u53d8\u91cf s \u4e2d\u7684\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u8fdb\u884c\u4fee\u6539\u5e76\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n<ol>\n<li><strong>\u907f\u514d\u7b2c\u4e8c\u6b21\u521d\u59cb\u5316<\/strong><\/li>\n<\/ol>\n<p>\u5728\u63a5\u6536\u5668\u51fd\u6570\u5185\u90e8\uff0c\u4e0d\u8981\u518d\u6b21\u4f7f\u7528 make \u521d\u59cb\u5316 usermap \u7c7b\u578b\uff0c\u56e0\u4e3a\u8fd9\u5c06 \u00fcberschreiben \u5df2\u7ecf\u521d\u59cb\u5316\u7684\u7c7b\u578b\u3002\u5982\u679c\u63a5\u6536\u5668\u51fd\u6570\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 usermap \u7c7b\u578b\uff0c\u5e94\u8be5\u4f7f\u7528\u65b0\u7684\u53d8\u91cf\u540d\u3002<\/p>\n<p>\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>type People struct {\n    Name string\n    Sex  byte\n}\n\ntype UserMap map[int]People\n\nfunc (um UserMap) Get(id int) UserMap {\n    um[id] = People{Name: \"\u5f20\u4e09\", Sex: 1}\n    return um\n}\n\nfunc (um UserMap) Say(id int) UserMap {\n    delete(um, id)\n    return um\n}\n\nfunc main() {\n    var s UserMap = make(UserMap)\n    val := s.Get(1)\n    fmt.Println(val)\n    val = s.Say(1)\n    fmt.Println(val)\n}<\/pre>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGo\u8bed\u8a00\u4e2d\u63a5\u6536\u5668\u51fd\u6570\u8c03\u7528\u672a\u521d\u59cb\u5316\u7684\u7c7b\u578b\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   kb90\u96c5\u9a6c\u54c8\u600e\u4e48\u8fde\u63a5\u97f3\u7bb1\u7535\u5b50\u7434\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Firefox \u6d4f\u89c8\u5668\u4e2d JavaScript \u811a\u672c\u65e0\u54cd\u5e94\u7684\u539f\u56e0\u6709\u54ea\u4e9b\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aGo\u8bed\u8a00\u4e2d\u63a5&#46;&#46;&#46;<\/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-206842","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206842","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=206842"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206842\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}