{"id":206530,"date":"2025-06-12T08:18:56","date_gmt":"2025-06-12T00:18:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206530\/"},"modified":"2025-06-12T08:18:56","modified_gmt":"2025-06-12T00:18:56","slug":"go-%e5%88%87%e7%89%87-cap-%e5%87%bd%e6%95%b0%e4%b8%ba%e4%bd%95%e8%bf%94%e5%9b%9e-6-%e8%80%8c%e4%b8%8d%e6%98%af-5%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206530\/","title":{"rendered":"Go \u5207\u7247 cap \u51fd\u6570\u4e3a\u4f55\u8fd4\u56de 6 \u800c\u4e0d\u662f 5\uff1f"},"content":{"rendered":"<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u5207\u7247 cap \u51fd\u6570\u4e3a\u4f55\u8fd4\u56de 6 \u800c\u4e0d\u662f 5\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241114\/17315681846735a23854cfb.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u5207\u7247 cap \u51fd\u6570\u8fd4\u56de 6 \u3067\u306f\u306a\u304f 5 \u306b\u306a\u308b\u7406\u7531<\/strong>,\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u4e2d\uff0cappend \u51fd\u6570\u88ab\u7528\u4e8e\u5411\u5207\u7247 s \u6dfb\u52a0\u591a\u4e2a\u6574\u6570\u3002\u5728\u6dfb\u52a0 5 \u4e2a\u6574\u6570\u540e\uff0c\u5207\u7247\u7684 cap \u5374\u8fd4\u56de\u4e86 6\uff0c\u800c\u4e0d\u662f\u9884\u671f\u7684 5\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u9020\u6210\u8fd9\u4e2a\u73b0\u8c61\u7684\u539f\u56e0\u3002,\u5207\u7247 cap \u51fd\u6570\u8fd4\u56de\u7684\u662f\u5207\u7247\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\uff0c\u5373\u5176\u53ef\u4ee5\u5bb9\u7eb3\u7684\u5143\u7d20\u6570\u91cf\u3002\u5728 Go \u8bed\u8a00\u4e2d\uff0ccap &gt;= len\uff0c\u5373\u5bb9\u91cf\u603b\u662f\u5927\u4e8e\u6216\u7b49\u4e8e\u957f\u5ea6\u3002,\u5728\u4ee3\u7801\u4e2d\uff0c\u5f53\u6dfb\u52a0\u7b2c\u4e00\u4e2a\u5143\u7d20\u65f6\uff0ccap \u88ab\u8bbe\u7f6e\u4e3a 1\uff0c\u56e0\u4e3a\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u81f3\u5c11\u9700\u8981\u80fd\u591f\u5bb9\u7eb3\u4e00\u4e2a\u5143\u7d20\u3002\u4e4b\u540e\uff0c\u6bcf\u4e00\u6b21\u8ffd\u52a0\u64cd\u4f5c\u90fd\u4f1a\u68c0\u67e5\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u662f\u5426\u8db3\u591f\u3002\u5982\u679c\u5bb9\u91cf\u4e0d\u8db3\uff0c\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u5c06\u4f1a\u7ffb\u500d\u3002,\u5728\u6dfb\u52a0 5 \u4e2a\u6574\u6570\u540e\uff0ccap \u8fd4\u56de 6\uff0c\u8868\u660e\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u4e3a 6\u3002\u8fd9\u662f\u56e0\u4e3a\u5f53\u8ffd\u52a0\u5230\u957f\u5ea6\u4e3a 4 \u7684\u5207\u7247\u65f6\uff0c\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u7684\u5143\u7d20\u3002\u56e0\u6b64\uff0c\u5bb9\u91cf\u88ab\u7ffb\u500d\u4e3a 8\uff0c\u800c cap \u51fd\u6570\u8fd4\u56de\u4e86 6\uff0c\u8fd9\u662f\u5207\u7247\u5f53\u524d\u5bb9\u91cf\u7684\u8f83\u5c0f\u503c\u3002,\u8fd9\u79cd\u8bbe\u8ba1\u7b56\u7565\u662f\u4e3a\u4e86\u63d0\u9ad8\u5207\u7247\u64cd\u4f5c\u7684\u6548\u7387\u3002\u901a\u8fc7\u9884\u5206\u914d\u591a\u4f59\u7684\u5bb9\u91cf\uff0c\u5207\u7247\u53ef\u4ee5\u907f\u514d\u9891\u7e41\u5730\u91cd\u65b0\u5206\u914d\u548c\u62f7\u8d1d\u5185\u5b58\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002,\u4ee5\u4e0a\u5c31\u662f\u300aGo \u5207\u7247 cap \u51fd\u6570\u4e3a\u4f55\u8fd4\u56de 6 \u800c\u4e0d\u662f 5\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,\u5207\u7247 cap \u51fd\u6570\u8fd4\u56de 6 \u3067\u306f\u306a\u304f 5 \u306b\u306a\u308b\u7406\u7531,\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u5207\u7247 cap \u51fd\u6570\u4e3a\u4f55\u8fd4\u56de 6 \u800c\u4e0d\u662f 5\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\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 \u5207\u7247 cap \u51fd\u6570\u4e3a\u4f55\u8fd4\u56de 6 \u800c\u4e0d\u662f 5\uff1f<\/span><\/p>\n<h1>Go \u5207\u7247 cap \u51fd\u6570\u4e3a\u4f55\u8fd4\u56de 6 \u800c\u4e0d\u662f 5\uff1f<\/h1>\n<p><span>2024-11-14 15:09:59<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u5207\u7247 cap \u51fd\u6570\u4e3a\u4f55\u8fd4\u56de 6 \u800c\u4e0d\u662f 5\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241114\/17315681846735a23854cfb.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5207\u7247 cap \u51fd\u6570\u8fd4\u56de 6 \u3067\u306f\u306a\u304f 5 \u306b\u306a\u308b\u7406\u7531<\/strong><\/p>\n<p>\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u4e2d\uff0cappend \u51fd\u6570\u88ab\u7528\u4e8e\u5411\u5207\u7247 s \u6dfb\u52a0\u591a\u4e2a\u6574\u6570\u3002\u5728\u6dfb\u52a0 5 \u4e2a\u6574\u6570\u540e\uff0c\u5207\u7247\u7684 cap \u5374\u8fd4\u56de\u4e86 6\uff0c\u800c\u4e0d\u662f\u9884\u671f\u7684 5\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u9020\u6210\u8fd9\u4e2a\u73b0\u8c61\u7684\u539f\u56e0\u3002<\/p>\n<p>\u5207\u7247 cap \u51fd\u6570\u8fd4\u56de\u7684\u662f\u5207\u7247\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\uff0c\u5373\u5176\u53ef\u4ee5\u5bb9\u7eb3\u7684\u5143\u7d20\u6570\u91cf\u3002\u5728 Go \u8bed\u8a00\u4e2d\uff0ccap &gt;= len\uff0c\u5373\u5bb9\u91cf\u603b\u662f\u5927\u4e8e\u6216\u7b49\u4e8e\u957f\u5ea6\u3002<\/p>\n<p>\u5728\u4ee3\u7801\u4e2d\uff0c\u5f53\u6dfb\u52a0\u7b2c\u4e00\u4e2a\u5143\u7d20\u65f6\uff0ccap \u88ab\u8bbe\u7f6e\u4e3a 1\uff0c\u56e0\u4e3a\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u81f3\u5c11\u9700\u8981\u80fd\u591f\u5bb9\u7eb3\u4e00\u4e2a\u5143\u7d20\u3002\u4e4b\u540e\uff0c\u6bcf\u4e00\u6b21\u8ffd\u52a0\u64cd\u4f5c\u90fd\u4f1a\u68c0\u67e5\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u662f\u5426\u8db3\u591f\u3002\u5982\u679c\u5bb9\u91cf\u4e0d\u8db3\uff0c\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u5c06\u4f1a\u7ffb\u500d\u3002<\/p>\n<p>\u5728\u6dfb\u52a0 5 \u4e2a\u6574\u6570\u540e\uff0ccap \u8fd4\u56de 6\uff0c\u8868\u660e\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u4e3a 6\u3002\u8fd9\u662f\u56e0\u4e3a\u5f53\u8ffd\u52a0\u5230\u957f\u5ea6\u4e3a 4 \u7684\u5207\u7247\u65f6\uff0c\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u7684\u5143\u7d20\u3002\u56e0\u6b64\uff0c\u5bb9\u91cf\u88ab\u7ffb\u500d\u4e3a 8\uff0c\u800c cap \u51fd\u6570\u8fd4\u56de\u4e86 6\uff0c\u8fd9\u662f\u5207\u7247\u5f53\u524d\u5bb9\u91cf\u7684\u8f83\u5c0f\u503c\u3002<\/p>\n<p>\u8fd9\u79cd\u8bbe\u8ba1\u7b56\u7565\u662f\u4e3a\u4e86\u63d0\u9ad8\u5207\u7247\u64cd\u4f5c\u7684\u6548\u7387\u3002\u901a\u8fc7\u9884\u5206\u914d\u591a\u4f59\u7684\u5bb9\u91cf\uff0c\u5207\u7247\u53ef\u4ee5\u907f\u514d\u9891\u7e41\u5730\u91cd\u65b0\u5206\u914d\u548c\u62f7\u8d1d\u5185\u5b58\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aGo \u5207\u7247 cap \u51fd\u6570\u4e3a\u4f55\u8fd4\u56de 6 \u800c\u4e0d\u662f 5\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   MySQL8 \u4e2d\uff0c\u4e3a\u4f55\u4f7f\u7528\u5b57\u7b26\u4e32\u80fd\u67e5\u8be2 int \u7c7b\u578b\u6570\u636e\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u63ed\u79d8\u7535\u8111\u51e0\u79d2\u9ed1\u5c4f\u76846\u5927\u5e38\u89c1\u539f\u56e0\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5&#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-206530","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206530","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=206530"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206530\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}