{"id":207869,"date":"2025-07-08T15:29:10","date_gmt":"2025-07-08T07:29:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207869\/"},"modified":"2025-07-08T15:29:10","modified_gmt":"2025-07-08T07:29:10","slug":"%e5%88%87%e7%89%87%e5%ae%b9%e9%87%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207869\/","title":{"rendered":"\u5207\u7247\u5bb9\u91cf"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5207\u7247\u5bb9\u91cf<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-26 10:54:38<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4f60\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5207\u7247\u5bb9\u91cf\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u662f golang \u65b0\u624b\uff0c\u6b63\u5728\u5173\u6ce8 tour\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u4ea7\u751f\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n<p>\u957f\u5ea6=5 \u4e0a\u9650=5 [0 0 0 0 0]<\/p>\n<p>b len=0 cap=5 []<\/p>\n<p>c len=2 cap=5 [0 0]<\/p>\n<p>d len=3 cap=3 [0 0 0]<\/p>\n<p>\u5728\u6839\u672c\u6ca1\u6709\u6307\u5b9a\u7684\u60c5\u51b5\u4e0b\uff0cc \u5982\u4f55\u5177\u6709\u4e0e b \u76f8\u540c\u7684\u4e0a\u9650\uff1f<\/p>\n<pre>package main\n\nimport \"fmt\"\n\nfunc main() {\n    a := make([]int, 5)\n    printSlice(\"a\", a)\n\n    b := make([]int, 0, 5)\n    printSlice(\"b\", b)\n\n    c := b[:2]\n    printSlice(\"c\", c)\n\n    d := c[2:5]\n    printSlice(\"d\", d)\n}\n\nfunc printSlice(s string, x []int) {\n    fmt.Printf(\"%s len=%d cap=%d %v\\n\", s, len(x), cap(x), x)\n}<\/pre>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u6bcf\u4e2a\u5207\u7247\u90fd\u662f\u6307\u5411\u5e95\u5c42\u6570\u7ec4\u7684\u6307\u9488\u7c7b\u578b\u3002\u5f53\u60a8\u521b\u5efa b \u65f6\uff0c\u60a8\u521b\u5efa\u4e86 b \u6307\u5411\u7684\u57fa\u7840\u6570\u7ec4\u3002\u5f53\u60a8\u901a\u8fc7\u91cd\u65b0\u5207\u7247 b \u521b\u5efa c \u65f6\uff0c\u60a8\u5c06\u521b\u5efa\u4e00\u4e2a\u6307\u5411\u4e0e b \u76f8\u540c\u7684\u57fa\u7840\u6570\u7ec4\u7684\u65b0\u5207\u7247\u3002 <\/p>\n<p>\u5f53\u60a8\u66f4\u6539 b \u4e2d\u7684\u67d0\u4e9b\u6761\u76ee\u65f6\uff0c\u60a8\u4f1a\u6ce8\u610f\u5230 c \u4e2d\u7684\u8fd9\u4e9b\u503c\u4e5f\u4f1a\u66f4\u6539\u3002<\/p>\n<p>\u6709\u4e00\u4e2a\u5b98\u65b9\u535a\u5ba2\u6761\u76ee\uff0c\u8be6\u7ec6\u89e3\u91ca\u4e86\u8fd9\u4e00\u5207\uff1a<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u5207\u7247\u5bb9\u91cf\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#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-207869","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207869","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=207869"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207869\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}