{"id":206648,"date":"2025-06-12T13:14:17","date_gmt":"2025-06-12T05:14:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206648\/"},"modified":"2025-06-12T13:14:17","modified_gmt":"2025-06-12T05:14:17","slug":"go%e8%af%ad%e8%a8%80%e4%b8%ad%e6%8c%87%e9%92%88%e6%8c%87%e5%90%91%e6%95%b0%e7%bb%84%e5%8f%96%e5%80%bc%e6%8a%a5%e9%94%99%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206648\/","title":{"rendered":"Go\u8bed\u8a00\u4e2d\u6307\u9488\u6307\u5411\u6570\u7ec4\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"

\u5b66\u4e60
\nGOLANG<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0
\n\u300aGo\u8bed\u8a00\u4e2d\u6307\u9488\u6307\u5411\u6570\u7ec4\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f \u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60
\nGOLANG<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01,
\n,
\ngo\u8bed\u8a00\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f<\/strong>,\u5728 go \u8bed\u8a00\u4e2d\uff0c\u5f53\u6307\u9488\u6307\u5411\u6570\u7ec4\u65f6\uff0c\u53d6\u503c\u53ef\u80fd\u4f1a\u62a5\u9519\u3002\u4f8b\u5982\u4ee5\u4e0b\u4ee3\u7801\uff1a,\u5176\u4e2d\uff0cdata \u662f\u6307\u5411 []map[string]string \u7c7b\u578b\u7684\u6307\u9488\u3002\u6309\u7167\u63d0\u4f9b\u7684\u4ee3\u7801\uff0c\u4f7f\u7528\u4e2d\u95f4\u53d8\u91cf daa \u4fdd\u5b58 data \u7684\u503c\u540e\u518d\u8fdb\u884c\u6570\u7ec4\u7d22\u5f15\u662f\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\u7684\u3002,\u4f46\u5982\u679c\u76f4\u63a5\u53d6 *data[0][“logo”]\uff0c\u4f1a\u62a5\u9519\uff1a,\u8fd9\u662f\u56e0\u4e3a *data \u672c\u8eab\u662f\u7c7b\u578b\u4e3a *[]map[string]string \u7684\u6307\u9488\uff0c\u53ea\u6709\u53d6\u6d88\u6307\u9488\u624d\u80fd\u5bf9\u6570\u7ec4\u8fdb\u884c\u7d22\u5f15\u3002\u6b63\u786e\u7684\u5199\u6cd5\u662f\uff1a,\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGo\u8bed\u8a00\u4e2d\u6307\u9488\u6307\u5411\u6570\u7ec4\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f \u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u5427\uff01,go\u8bed\u8a00\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f,\u5b66\u4e60
\nGOLANG<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0
\n\u300aGo\u8bed\u8a00\u4e2d\u6307\u9488\u6307\u5411\u6570\u7ec4\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f \u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60
\nGOLANG<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Go\u8bed\u8a00\u4e2d\u6307\u9488\u6307\u5411\u6570\u7ec4\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f <\/span><\/p>\n

Go\u8bed\u8a00\u4e2d\u6307\u9488\u6307\u5411\u6570\u7ec4\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f <\/h1>\n

2024-11-18 13:07:11<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5b66\u4e60GOLANG<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300aGo\u8bed\u8a00\u4e2d\u6307\u9488\u6307\u5411\u6570\u7ec4\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f \u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60GOLANG<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

<\/p>\n

go\u8bed\u8a00\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f<\/strong><\/p>\n

\u5728 go \u8bed\u8a00\u4e2d\uff0c\u5f53\u6307\u9488\u6307\u5411\u6570\u7ec4\u65f6\uff0c\u53d6\u503c\u53ef\u80fd\u4f1a\u62a5\u9519\u3002\u4f8b\u5982\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n

data, _ := db.table(\"m3u8s\").where(\"name\", \"cctv1\").select()\nfmt.println(*data[0][\"logo\"])\n\/\/ fmt.println(*data[0][\"logo\"])<\/pre>\n
\u5176\u4e2d\uff0cdata \u662f\u6307\u5411 []map[string]string \u7c7b\u578b\u7684\u6307\u9488\u3002\u6309\u7167\u63d0\u4f9b\u7684\u4ee3\u7801\uff0c\u4f7f\u7528\u4e2d\u95f4\u53d8\u91cf daa \u4fdd\u5b58 data \u7684\u503c\u540e\u518d\u8fdb\u884c\u6570\u7ec4\u7d22\u5f15\u662f\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\u7684\u3002<\/p>\n
\u4f46\u5982\u679c\u76f4\u63a5\u53d6 *data[0][“logo”]\uff0c\u4f1a\u62a5\u9519\uff1a<\/p>\n
.\\main.go:18:19: invalid operation: cannot index data (variable of type *[]map[string]string)<\/pre>\n
\u8fd9\u662f\u56e0\u4e3a *data \u672c\u8eab\u662f\u7c7b\u578b\u4e3a *[]map[string]string \u7684\u6307\u9488\uff0c\u53ea\u6709\u53d6\u6d88\u6307\u9488\u624d\u80fd\u5bf9\u6570\u7ec4\u8fdb\u884c\u7d22\u5f15\u3002\u6b63\u786e\u7684\u5199\u6cd5\u662f\uff1a<\/p>\n
fmt.Println((*data)[0][\"logo\"])<\/pre>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGo\u8bed\u8a00\u4e2d\u6307\u9488\u6307\u5411\u6570\u7ec4\u53d6\u503c\u62a5\u9519\u5982\u4f55\u89e3\u51b3\uff1f \u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
\n
\n <\/dt>\n
\n   \u7535\u8111xp\u5f00\u673a\u84dd\u5c4f\u89e3\u51b3\u65b9\u6cd5\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u8bed\u6cd5\u6811\u6709\u54ea\u4e9b\u591a\u6837\u5316\u7684\u8868\u793a\u65b9\u5f0f\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5b66\u4e60 GOLANG\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d...<\/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-206648","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206648","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=206648"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206648\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}