{"id":206310,"date":"2025-06-12T12:08:48","date_gmt":"2025-06-12T04:08:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206310\/"},"modified":"2025-06-12T12:08:48","modified_gmt":"2025-06-12T04:08:48","slug":"go-%e4%b8%ad%ef%bc%8c%e4%bf%ae%e6%94%b9%e5%8e%9f%e5%a7%8b-slice-%e7%9a%84%e5%86%85%e5%ae%b9%e4%bc%9a%e5%bd%b1%e5%93%8d%e6%96%b0-slice-%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206310\/","title":{"rendered":"Go \u4e2d\uff0c\u4fee\u6539\u539f\u59cb slice \u7684\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u5417\uff1f"},"content":{"rendered":"<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGo \u4e2d\uff0c\u4fee\u6539\u539f\u59cb slice \u7684\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u5417\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241109\/1731123950672edaee11fe5.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u539f\u59cb slice \u64cd\u4f5c\u5bf9\u65b0 slice \u7684\u5f71\u54cd<\/strong>,\u5728 go \u4e2d\uff0c\u4f7f\u7528 append() \u51fd\u6570\u5411 slice \u6dfb\u52a0\u5143\u7d20\u65f6\uff0c\u4f1a\u68c0\u67e5\u5e95\u5c42\u6570\u7ec4\u662f\u5426\u5177\u6709\u8db3\u591f\u7684\u5bb9\u91cf\u3002\u5982\u679c\u5bb9\u91cf\u4e0d\u8db3\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5e76\u5c06\u65e7\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002,\u5bf9\u4e8e\u539f\u59cb slice\uff0c\u4fee\u6539\u5176\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u7684\u5185\u5bb9\uff0c\u4f46\u5bf9\u5176\u5e95\u5c42\u6570\u7ec4\u6307\u9488\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u65b0 slice \u7684\u5e95\u5c42\u6570\u7ec4\u6307\u9488\u3002,<br \/>\n<strong>\u6f14\u793a\u4ee3\u7801\u89e3\u8bfb<\/strong>,\u4ee5\u4f60\u63d0\u4f9b\u7684\u4ee3\u7801\u4e3a\u4f8b\uff1a,\u5728\u672c\u4f8b\u4e2d\uff0c\u6700\u521d\u521b\u5efa\u4e86\u4e00\u4e2a\u5bb9\u91cf\u4e3a 8 \u7684\u7a7a slice testslice\uff0c\u7136\u540e\u4f7f\u7528 append() \u51fd\u6570\u6dfb\u52a0\u4e86\u4e09\u4e2a\u5143\u7d20\u3002\u6b64\u65f6\u5e95\u5c42\u6570\u7ec4\u7684\u6307\u9488\u4e3a a1\u3002,\u63a5\u7740\uff0c\u521b\u5efa\u4e86 copyslice\uff0c\u5b83\u662f\u4e00\u4e2a\u5bf9 testslice \u7684\u5f15\u7528\u3002\u8fd9\u610f\u5473\u7740 testslice \u548c copyslice \u6307\u5411\u540c\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4 a1\u3002,\u968f\u540e\u4fee\u6539\u4e86 testslice \u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u7531\u4e8e\u4fee\u6539\u6ca1\u6709\u89e6\u53d1\u6269\u5bb9\uff0c\u56e0\u6b64\u5e95\u5c42\u6570\u7ec4\u6307\u9488\u4ecd\u4e3a a1\u3002\u7531\u4e8e testslice \u548c copyslice \u5f15\u7528\u76f8\u540c\u7684\u6570\u7ec4\uff0c\u56e0\u6b64\u4fee\u6539 testslice \u7684\u5185\u5bb9\u4e5f\u4f1a\u5f71\u54cd copyslice\u3002\u56e0\u6b64\uff0c\u6253\u5370 copyslice \u7684\u5185\u5bb9\u65f6\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a 3 2 3\u3002,\u6700\u540e\uff0c\u5411 testslice \u8ffd\u52a0\u4e86\u4e00\u4e2a\u65b0\u5143\u7d20\u3002\u7531\u4e8e\u6b64\u65f6\u5bb9\u91cf\u4e0d\u8db3\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 a2 \u5e76\u5c06 a1 \u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230 a2 \u4e2d\u3002\u73b0\u5728\uff0ctestslice \u548c copyslice \u5f15\u7528\u4e0d\u540c\u7684\u6570\u7ec4\uff0c\u56e0\u6b64\u4fee\u6539 testslice \u7684\u5185\u5bb9\u4e0d\u4f1a\u5f71\u54cd copyslice\u3002\u56e0\u6b64\uff0c\u518d\u6b21\u6253\u5370 copyslice \u7684\u5185\u5bb9\u65f6\uff0c\u8f93\u51fa\u7ed3\u679c\u4ecd\u4e3a 3 2 3\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u4e2d\uff0c\u4fee\u6539\u539f\u59cb slice \u7684\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u5417\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,\u539f\u59cb slice \u64cd\u4f5c\u5bf9\u65b0 slice \u7684\u5f71\u54cd,\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGo \u4e2d\uff0c\u4fee\u6539\u539f\u59cb slice \u7684\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u5417\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<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 \u4e2d\uff0c\u4fee\u6539\u539f\u59cb slice \u7684\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u5417\uff1f<\/span><\/p>\n<h1>Go \u4e2d\uff0c\u4fee\u6539\u539f\u59cb slice \u7684\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u5417\uff1f<\/h1>\n<p><span>2024-11-09 11:46:05<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGo \u4e2d\uff0c\u4fee\u6539\u539f\u59cb slice \u7684\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u5417\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241109\/1731123950672edaee11fe5.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u539f\u59cb slice \u64cd\u4f5c\u5bf9\u65b0 slice \u7684\u5f71\u54cd<\/strong><\/p>\n<p>\u5728 go \u4e2d\uff0c\u4f7f\u7528 append() \u51fd\u6570\u5411 slice \u6dfb\u52a0\u5143\u7d20\u65f6\uff0c\u4f1a\u68c0\u67e5\u5e95\u5c42\u6570\u7ec4\u662f\u5426\u5177\u6709\u8db3\u591f\u7684\u5bb9\u91cf\u3002\u5982\u679c\u5bb9\u91cf\u4e0d\u8db3\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5e76\u5c06\u65e7\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002<\/p>\n<p>\u5bf9\u4e8e\u539f\u59cb slice\uff0c\u4fee\u6539\u5176\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u7684\u5185\u5bb9\uff0c\u4f46\u5bf9\u5176\u5e95\u5c42\u6570\u7ec4\u6307\u9488\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u65b0 slice \u7684\u5e95\u5c42\u6570\u7ec4\u6307\u9488\u3002<\/p>\n<p><strong>\u6f14\u793a\u4ee3\u7801\u89e3\u8bfb<\/strong><\/p>\n<p>\u4ee5\u4f60\u63d0\u4f9b\u7684\u4ee3\u7801\u4e3a\u4f8b\uff1a<\/p>\n<pre>func main() {\n    testSlice := make([]int, 0, 8)\n    testSlice = append(testSlice, 1, 2, 3)\n    copySlice := testSlice\n    testSlice[0] = 3\n    for _, v := range copySlice {\n        print(v) \/\/ \u8f93\u51fa 3 2 3\n    }\n    testSlice = append(testSlice, 4)\n    for _, v := range copySlice {\n        print(v) \/\/ \u8f93\u51fa 3 2 3\n    }\n}<\/pre>\n<p>\u5728\u672c\u4f8b\u4e2d\uff0c\u6700\u521d\u521b\u5efa\u4e86\u4e00\u4e2a\u5bb9\u91cf\u4e3a 8 \u7684\u7a7a slice testslice\uff0c\u7136\u540e\u4f7f\u7528 append() \u51fd\u6570\u6dfb\u52a0\u4e86\u4e09\u4e2a\u5143\u7d20\u3002\u6b64\u65f6\u5e95\u5c42\u6570\u7ec4\u7684\u6307\u9488\u4e3a a1\u3002<\/p>\n<p>\u63a5\u7740\uff0c\u521b\u5efa\u4e86 copyslice\uff0c\u5b83\u662f\u4e00\u4e2a\u5bf9 testslice \u7684\u5f15\u7528\u3002\u8fd9\u610f\u5473\u7740 testslice \u548c copyslice \u6307\u5411\u540c\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4 a1\u3002<\/p>\n<p>\u968f\u540e\u4fee\u6539\u4e86 testslice \u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u7531\u4e8e\u4fee\u6539\u6ca1\u6709\u89e6\u53d1\u6269\u5bb9\uff0c\u56e0\u6b64\u5e95\u5c42\u6570\u7ec4\u6307\u9488\u4ecd\u4e3a a1\u3002\u7531\u4e8e testslice \u548c copyslice \u5f15\u7528\u76f8\u540c\u7684\u6570\u7ec4\uff0c\u56e0\u6b64\u4fee\u6539 testslice \u7684\u5185\u5bb9\u4e5f\u4f1a\u5f71\u54cd copyslice\u3002\u56e0\u6b64\uff0c\u6253\u5370 copyslice \u7684\u5185\u5bb9\u65f6\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a 3 2 3\u3002<\/p>\n<p>\u6700\u540e\uff0c\u5411 testslice \u8ffd\u52a0\u4e86\u4e00\u4e2a\u65b0\u5143\u7d20\u3002\u7531\u4e8e\u6b64\u65f6\u5bb9\u91cf\u4e0d\u8db3\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 a2 \u5e76\u5c06 a1 \u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230 a2 \u4e2d\u3002\u73b0\u5728\uff0ctestslice \u548c copyslice \u5f15\u7528\u4e0d\u540c\u7684\u6570\u7ec4\uff0c\u56e0\u6b64\u4fee\u6539 testslice \u7684\u5185\u5bb9\u4e0d\u4f1a\u5f71\u54cd copyslice\u3002\u56e0\u6b64\uff0c\u518d\u6b21\u6253\u5370 copyslice \u7684\u5185\u5bb9\u65f6\uff0c\u8f93\u51fa\u7ed3\u679c\u4ecd\u4e3a 3 2 3\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u4e2d\uff0c\u4fee\u6539\u539f\u59cb slice \u7684\u5185\u5bb9\u4f1a\u5f71\u54cd\u65b0 slice \u5417\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u83b7\u53d6\u4e24\u4e2a &#8220; \u6807\u7b7e\u4e4b\u95f4\u7684\u5185\u5bb9\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u624b\u673a\u6295\u5c4f\u7535\u8111\u8f6f\u4ef6\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f&#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-206310","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206310","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=206310"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206310\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}