{"id":40526,"date":"2024-12-01T12:09:34","date_gmt":"2024-12-01T04:09:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40526\/"},"modified":"2024-12-01T12:09:34","modified_gmt":"2024-12-01T04:09:34","slug":"%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%e5%9c%a8-go-%e6%a8%a1%e6%9d%bf%e4%b8%ad%e7%9a%84%e7%94%a8%e6%b3%95%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40526\/","title":{"rendered":"\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002,
\n\"\u533f\u540d\u51fd\u6570\u5728,
\n\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5<\/strong>,\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u63d0\u4f9b\u4e86\u4e00\u79cd\u52a8\u6001\u6267\u884c\u6a21\u677f\u5185\u5bb9\u7684\u65b9\u5f0f\u3002\u5b83\u4eec\u5141\u8bb8\u4f60\u521b\u5efa\u53ef\u4ee5\u5728\u6a21\u677f\u5904\u7406\u8fc7\u7a0b\u4e2d\u52a8\u6001\u8c03\u7528\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u3002,
\n\u8bed\u6cd5:<\/strong>,\u5176\u4e2d\uff1a,
\n\u5b9e\u6218\u6848\u4f8b:<\/strong>,\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5c06\u7ed9\u5b9a\u5b57\u7b26\u4e32\u5168\u90e8\u5927\u5199\u7684\u793a\u4f8b\uff1a,\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff1a,
\n\u7ed3\u8bba:<\/strong>,\u533f\u540d\u51fd\u6570\u4e3a Go \u6a21\u677f\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\uff0c\u5141\u8bb8\u4f60\u6839\u636e\u9700\u8981\u5b9a\u5236\u548c\u6269\u5c55\u6a21\u677f\u5904\u7406\u8fc7\u7a0b\u3002\u901a\u8fc7\u7f16\u5199\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u6269\u5c55\u6a21\u677f\u7684\u529f\u80fd\uff0c\u4f7f\u5176\u66f4\u5f3a\u5927\u3001\u66f4\u52a8\u6001\u3002,\u672c\u7bc7\u5173\u4e8e\u300a\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\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\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff01,\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528
\nExecute()<\/code> \u51fd\u6570\u6e32\u67d3\u6a21\u677f\u5e76\u6253\u5370\u8f93\u51fa\u3002,\u6211\u4eec\u4f7f\u7528
\nMust()<\/code> \u51fd\u6570\u6765\u5904\u7406\u6a21\u677f\u89e3\u6790\u9519\u8bef\u3002,\u6211\u4eec\u5c06\u533f\u540d\u51fd\u6570\u4f20\u9012\u7ed9\u7ba1\u9053\u64cd\u4f5c\u7b26 (
\n|<\/code>)\uff0c\u5b83\u53ef\u4ee5\u8c03\u7528\u6a21\u677f\u4e2d\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u3002,
\ntoUpper()<\/code> \u662f\u4e00\u4e2a\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u7684\u533f\u540d\u51fd\u6570\u3002,
\n.<\/code> \u662f\u4f20\u9012\u7ed9\u6a21\u677f\u7684\u6570\u636e\u3002,
\n\"main\"<\/code> \u662f\u8981\u6e32\u67d3\u7684\u6a21\u677f\u540d\u79f0\u3002,
\nfunc<\/code> \u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u5176\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u81ea\u5b9a\u4e49\u3002,\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5,\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f<\/span><\/p>\n

\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f<\/h1>\n

2024-10-26 18:39:49<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n

\"\u533f\u540d\u51fd\u6570\u5728<\/p>\n

\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5<\/strong><\/p>\n

\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u63d0\u4f9b\u4e86\u4e00\u79cd\u52a8\u6001\u6267\u884c\u6a21\u677f\u5185\u5bb9\u7684\u65b9\u5f0f\u3002\u5b83\u4eec\u5141\u8bb8\u4f60\u521b\u5efa\u53ef\u4ee5\u5728\u6a21\u677f\u5904\u7406\u8fc7\u7a0b\u4e2d\u52a8\u6001\u8c03\u7528\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u3002<\/p>\n

\u8bed\u6cd5:<\/strong><\/p>\n

{{ template \"main\" . | func }}<\/pre>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • \"main\"<\/code> \u662f\u8981\u6e32\u67d3\u7684\u6a21\u677f\u540d\u79f0\u3002<\/li>\n
  • .<\/code> \u662f\u4f20\u9012\u7ed9\u6a21\u677f\u7684\u6570\u636e\u3002<\/li>\n
  • func<\/code> \u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u5176\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u81ea\u5b9a\u4e49\u3002<\/li>\n<\/ul>\n
    \u5b9e\u6218\u6848\u4f8b:<\/strong><\/p>\n
    \u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5c06\u7ed9\u5b9a\u5b57\u7b26\u4e32\u5168\u90e8\u5927\u5199\u7684\u793a\u4f8b\uff1a<\/p>\n
    func main() {\n    tmpl := `{{ . | toUpper }}` \/\/ \u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a toUpper \u7684\u533f\u540d\u51fd\u6570\n    data := \"Hello, Gopher!\"\n\n    \/\/ \u6e32\u67d3\u6a21\u677f\u5e76\u6253\u5370\u8f93\u51fa\n    output, err := template.Must(template.New(\"main\").Parse(tmpl)).Execute(os.Stdout, data)\n    if err != nil {\n        log.Fatal(err)\n    }\n\n    fmt.Println(output) \/\/ \u8f93\u51fa\uff1aHELLO, GOPHER!\n}\n\nfunc toUpper(s string) string {\n    return strings.ToUpper(s)\n}<\/pre>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff1a<\/p>\n
      \n
    • toUpper()<\/code> \u662f\u4e00\u4e2a\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u7684\u533f\u540d\u51fd\u6570\u3002<\/li>\n
    • \u6211\u4eec\u5c06\u533f\u540d\u51fd\u6570\u4f20\u9012\u7ed9\u7ba1\u9053\u64cd\u4f5c\u7b26 (|<\/code>)\uff0c\u5b83\u53ef\u4ee5\u8c03\u7528\u6a21\u677f\u4e2d\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u3002<\/li>\n
    • \u6211\u4eec\u4f7f\u7528 Must()<\/code> \u51fd\u6570\u6765\u5904\u7406\u6a21\u677f\u89e3\u6790\u9519\u8bef\u3002<\/li>\n
    • \u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528 Execute()<\/code> \u51fd\u6570\u6e32\u67d3\u6a21\u677f\u5e76\u6253\u5370\u8f93\u51fa\u3002<\/li>\n<\/ul>\n
      \u7ed3\u8bba:<\/strong><\/p>\n
      \u533f\u540d\u51fd\u6570\u4e3a Go \u6a21\u677f\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\uff0c\u5141\u8bb8\u4f60\u6839\u636e\u9700\u8981\u5b9a\u5236\u548c\u6269\u5c55\u6a21\u677f\u5904\u7406\u8fc7\u7a0b\u3002\u901a\u8fc7\u7f16\u5199\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u6269\u5c55\u6a21\u677f\u7684\u529f\u80fd\uff0c\u4f7f\u5176\u66f4\u5f3a\u5927\u3001\u66f4\u52a8\u6001\u3002<\/p>\n
      \u672c\u7bc7\u5173\u4e8e\u300a\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\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\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff01<\/p>\n
      \n
      \n <\/dt>\n
      \n   Win7\u64cd\u4f5c\u4e2d\u5fc3\u600e\u4e48\u5173\u95ed? Win7\u5173\u95ed\u64cd\u4f5c\u4e2d\u5fc3\u7684\u6559\u7a0b\n <\/dd>\n<\/dl>\n
      \n
      \n <\/dt>\n
      \n   Golang\u6846\u67b6\u5982\u4f55\u89e3\u51b3\u5b89\u5168\u6f0f\u6d1e\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002, , \u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5,\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u63d0\u4f9b\u4e86\u4e00\u79cd\u52a8\u6001\u6267\u884c\u6a21\u677f\u5185\u5bb9\u7684\u65b9\u5f0f\u3002\u5b83\u4eec\u5141\u8bb8\u4f60\u521b\u5efa\u53ef\u4ee5\u5728\u6a21\u677f\u5904\u7406\u8fc7\u7a0b\u4e2d\u52a8\u6001\u8c03\u7528\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u3002, \u8bed\u6cd5:,\u5176\u4e2d\uff1a, \u5b9e\u6218\u6848\u4f8b:,\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5c06\u7ed9\u5b9a\u5b57\u7b26\u4e32\u5168\u90e8\u5927\u5199\u7684\u793a\u4f8b\uff1a,\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff1a, \u7ed3\u8bba:,\u533f\u540d\u51fd\u6570\u4e3a Go \u6a21\u677f\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\uff0c\u5141\u8bb8\u4f60\u6839\u636e\u9700\u8981\u5b9a\u5236\u548c\u6269\u5c55\u6a21\u677f\u5904\u7406\u8fc7\u7a0b\u3002\u901a\u8fc7\u7f16\u5199\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u6269\u5c55\u6a21\u677f\u7684\u529f\u80fd\uff0c\u4f7f\u5176\u66f4\u5f3a\u5927\u3001\u66f4\u52a8\u6001\u3002,\u672c\u7bc7\u5173\u4e8e\u300a\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\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\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff01,\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528 Execute() \u51fd\u6570\u6e32\u67d3\u6a21\u677f\u5e76\u6253\u5370\u8f93\u51fa\u3002,\u6211\u4eec\u4f7f\u7528 Must() \u51fd\u6570\u6765\u5904\u7406\u6a21\u677f\u89e3\u6790\u9519\u8bef\u3002,\u6211\u4eec\u5c06\u533f\u540d\u51fd\u6570\u4f20\u9012\u7ed9\u7ba1\u9053\u64cd\u4f5c\u7b26 ( |)\uff0c\u5b83\u53ef\u4ee5\u8c03\u7528\u6a21\u677f\u4e2d\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u3002, toUpper() \u662f\u4e00\u4e2a\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u7684\u533f\u540d\u51fd\u6570\u3002, . \u662f\u4f20\u9012\u7ed9\u6a21\u677f\u7684\u6570\u636e\u3002, “main” \u662f\u8981\u6e32\u67d3\u7684\u6a21\u677f\u540d\u79f0\u3002, func \u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u5176\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u81ea\u5b9a\u4e49\u3002,\u533f\u540d\u51fd\u6570\u5728 Go \u6a21\u677f\u4e2d\u7684\u7528\u6cd5,\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u533f\u540d\u51fd\u6570\u5728 Go 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