{"id":206283,"date":"2025-06-12T08:08:21","date_gmt":"2025-06-12T00:08:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206283\/"},"modified":"2025-06-12T08:08:21","modified_gmt":"2025-06-12T00:08:21","slug":"%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96-go-%e5%88%87%e7%89%87%e4%b8%ad%e6%9c%89%e6%95%88%e5%85%83%e7%b4%a0%e7%9a%84%e4%b8%aa%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206283\/","title":{"rendered":"\u5982\u4f55\u83b7\u53d6 Go \u5207\u7247\u4e2d\u6709\u6548\u5143\u7d20\u7684\u4e2a\u6570\uff1f"},"content":{"rendered":"<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u83b7\u53d6 Go \u5207\u7247\u4e2d\u6709\u6548\u5143\u7d20\u7684\u4e2a\u6570\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span>,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241108\/1731051588672dc044ece8b.jpg\" class=\"aligncenter\">,<br \/>\n<strong>go \u5207\u7247\u6709\u6548\u5143\u7d20\u7684\u786e\u5b9a<\/strong>,\u5728 go \u4e2d\uff0c\u5207\u7247\u5143\u7d20\u6709\u6548\u4e0e\u5426\u53d7\u5207\u7247\u5bb9\u91cf\u7684\u5f71\u54cd\u3002\u5982\u679c\u4ee3\u7801\u4e2d\u4f7f\u7528\u7684 make([]abc, 5, 10) \u521d\u59cb\u5316\u5207\u7247\uff0c\u8fd9\u610f\u5473\u7740\u8be5\u5207\u7247\u7684\u5bb9\u91cf\u4e3a 10\uff0c\u5373\u53ef\u4ee5\u5bb9\u7eb3 10 \u4e2a\u5143\u7d20\u3002\u800c\u8be5\u4ee3\u7801\u5b9e\u9645\u6dfb\u52a0\u4e86 2 \u4e2a\u5143\u7d20\u3002,\u6b64\u95ee\u9898\u5728\u4e8e\uff0c\u4f7f\u7528 len() \u65b9\u6cd5\u83b7\u53d6\u7684\u957f\u5ea6\u5305\u62ec\u6240\u6709\u5206\u914d\u7ed9\u5207\u7247\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5305\u62ec\u672a\u8d4b\u503c\u7684 nil \u5143\u7d20\u3002\u8fd9\u4f1a\u5bfc\u81f4 len() \u65b9\u6cd5\u8fd4\u56de 7\uff0c\u800c\u4e0d\u662f\u5b9e\u9645\u6709\u6548\u7684\u5143\u7d20\u6570 2\u3002,\u8981\u83b7\u53d6\u6709\u6548\u5143\u7d20\u7684\u6570\u91cf\uff0c\u65b9\u6cd5\u4e4b\u4e00\u662f\u904d\u5386\u5207\u7247\u5e76\u8ba1\u7b97\u975e\u7a7a\u5143\u7d20\u7684\u4e2a\u6570\u3002\u4f8b\u5982\uff1a,\u4ee5\u4e0a\u4ee3\u7801\u904d\u5386\u5207\u7247\u5e76\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u975e\u7a7a\u3002\u5982\u679c\u975e\u7a7a\uff0c\u5219\u589e\u52a0 count \u8ba1\u6570\u5668\uff0c\u6700\u7ec8\u8f93\u51fa\u6709\u6548\u5143\u7d20\u7684\u6570\u91cf\u4e3a 2\u3002,\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~,go \u5207\u7247\u6709\u6548\u5143\u7d20\u7684\u786e\u5b9a,<br \/>\n<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u83b7\u53d6 Go \u5207\u7247\u4e2d\u6709\u6548\u5143\u7d20\u7684\u4e2a\u6570\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span>,<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>\u5982\u4f55\u83b7\u53d6 Go \u5207\u7247\u4e2d\u6709\u6548\u5143\u7d20\u7684\u4e2a\u6570\uff1f<\/span><\/p>\n<h1>\u5982\u4f55\u83b7\u53d6 Go \u5207\u7247\u4e2d\u6709\u6548\u5143\u7d20\u7684\u4e2a\u6570\uff1f<\/h1>\n<p><span>2024-11-08 15:40:04<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u83b7\u53d6 Go \u5207\u7247\u4e2d\u6709\u6548\u5143\u7d20\u7684\u4e2a\u6570\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241108\/1731051588672dc044ece8b.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go \u5207\u7247\u6709\u6548\u5143\u7d20\u7684\u786e\u5b9a<\/strong><\/p>\n<p>\u5728 go \u4e2d\uff0c\u5207\u7247\u5143\u7d20\u6709\u6548\u4e0e\u5426\u53d7\u5207\u7247\u5bb9\u91cf\u7684\u5f71\u54cd\u3002\u5982\u679c\u4ee3\u7801\u4e2d\u4f7f\u7528\u7684 make([]abc, 5, 10) \u521d\u59cb\u5316\u5207\u7247\uff0c\u8fd9\u610f\u5473\u7740\u8be5\u5207\u7247\u7684\u5bb9\u91cf\u4e3a 10\uff0c\u5373\u53ef\u4ee5\u5bb9\u7eb3 10 \u4e2a\u5143\u7d20\u3002\u800c\u8be5\u4ee3\u7801\u5b9e\u9645\u6dfb\u52a0\u4e86 2 \u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u6b64\u95ee\u9898\u5728\u4e8e\uff0c\u4f7f\u7528 len() \u65b9\u6cd5\u83b7\u53d6\u7684\u957f\u5ea6\u5305\u62ec\u6240\u6709\u5206\u914d\u7ed9\u5207\u7247\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5305\u62ec\u672a\u8d4b\u503c\u7684 nil \u5143\u7d20\u3002\u8fd9\u4f1a\u5bfc\u81f4 len() \u65b9\u6cd5\u8fd4\u56de 7\uff0c\u800c\u4e0d\u662f\u5b9e\u9645\u6709\u6548\u7684\u5143\u7d20\u6570 2\u3002<\/p>\n<p>\u8981\u83b7\u53d6\u6709\u6548\u5143\u7d20\u7684\u6570\u91cf\uff0c\u65b9\u6cd5\u4e4b\u4e00\u662f\u904d\u5386\u5207\u7247\u5e76\u8ba1\u7b97\u975e\u7a7a\u5143\u7d20\u7684\u4e2a\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>func main() {\n    tslice := make([]abc, 5, 10)\n    tslice = append(tslice, \"\u6d4b\u8bd5\u6570\u7ec4\", \"\u7b2c\u4e8c\u4e2a\u503c\")\n\n    count := 0\n    for _, val := range tslice {\n        if val != \"\" {\n            count++\n        }\n    }\n\n    fmt.Printf(\"\u6709\u6548\u5143\u7d20\u7684\u6570\u91cf\uff1a%d\\n\", count)\n}<\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u904d\u5386\u5207\u7247\u5e76\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u975e\u7a7a\u3002\u5982\u679c\u975e\u7a7a\uff0c\u5219\u589e\u52a0 count \u8ba1\u6570\u5668\uff0c\u6700\u7ec8\u8f93\u51fa\u6709\u6548\u5143\u7d20\u7684\u6570\u91cf\u4e3a 2\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u6234\u5c14\u7535\u8111\u578b\u53f7\u53ca\u5176\u7279\u70b9\u548c\u9009\u62e9\u6307\u5357\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u4f7f\u7528 NumPy \u548c Pandas \u7ed9\u91cd\u590d\u6570\u636e\u52a0\u76f8\u540c\u5e8f\u53f7\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929&#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-206283","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206283","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=206283"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206283\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}