{"id":44819,"date":"2023-08-09T01:52:57","date_gmt":"2022-11-03T16:53:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44819-2\/"},"modified":"2024-04-30T17:40:52","modified_gmt":"2024-04-30T09:40:52","slug":"44819-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44819-2\/","title":{"rendered":""},"content":{"rendered":"

golang\u306f\u7dcf\u79f0\u578b\uff08Generics\uff09\u304c\u306a\u3044\u3001\u56fa\u3044\u578b\u306e\u8a00\u8a9e\u3067\u3059\u3002
\n\u305d\u306e\u305f\u3081\u3001javascript\u3084Python\u306a\u3069\u3068\u6bd4\u8f03\u3057\u3066\u30cd\u30b9\u30c8\u306e\u6df1\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6271\u3046\u306e\u304c\u975e\u5e38\u306b\u9762\u5012\u3060\u3068\u611f\u3058\u308b\u4e8b\u304c\u591a\u3005\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u305d\u3093\u306a\u3068\u304d\u3001Golang\u306e\u5148\u4eba\u306f\u300c\u7b4b\u529b\u3092\u4f7f\u3048\u300d\u3068\u8a00\u3063\u305f\u308a\u3057\u307e\u3059\u306d\u3002\uff08\u3064\u307e\u308a\u6211\u6162\u3057\u308d\u3068\uff09<\/p>\n

\u72b6\u6cc1<\/h2>\n
var<\/span> a<\/span> =<\/span> `\r\n{\r\n   \"a\": {\r\n      \"b\": {\r\n         \"c\": {\r\n            \"d\": 1\r\n         }\r\n      }\r\n   }\r\n}\r\n`<\/span>\r\n\r\n<\/code><\/pre>\n
\u305f\u3068\u3048\u3070\u3053\u3093\u306ajson\u304b\u3089d\u306e\u5024\u3092\u53d6\u308a\u51fa\u3057\u305f\u3044\u3068\u3057\u307e\u3059\u3002
\ntypesafe\u306b\u6271\u3046\u305f\u3081\u306b\u306f<\/p>\n
var<\/span> o<\/span> map<\/span>[<\/span>string<\/span>]<\/span>map<\/span>[<\/span>string<\/span>]<\/span>map<\/span>[<\/span>string<\/span>]<\/span>map<\/span>[<\/span>string<\/span>]<\/span>int<\/span>\r\njson<\/span>.<\/span>Unmarshal<\/span>([]<\/span>byte<\/span>(<\/span>a<\/span>),<\/span> &<\/span>o<\/span>)<\/span>\r\nfmt<\/span>.<\/span>Println<\/span>(<\/span>o<\/span>[<\/span>\"a\"<\/span>][<\/span>\"b\"<\/span>][<\/span>\"c\"<\/span>][<\/span>\"d\"<\/span>])<\/span>\r\n<\/code><\/pre>\n
\u3068\u3084\u3063\u305f\u308a<\/p>\n
var<\/span> o<\/span> map<\/span>[<\/span>string<\/span>]<\/span>interface<\/span>{}<\/span>\r\njson<\/span>.<\/span>Unmarshal<\/span>([]<\/span>byte<\/span>(<\/span>a<\/span>),<\/span> &<\/span>o<\/span>)<\/span>\r\n\r\nb<\/span>,<\/span>_<\/span> :=<\/span> o<\/span>.<\/span>a<\/span>.<\/span>(<\/span>map<\/span>[<\/span>string<\/span>]<\/span>interface<\/span>{})<\/span>\r\nc<\/span>,<\/span>_<\/span> :=<\/span> b<\/span>.<\/span>c<\/span>.<\/span>(<\/span>map<\/span>[<\/span>string<\/span>]<\/span>interface<\/span>{})<\/span>\r\nd<\/span>,<\/span>_<\/span> :=<\/span> c<\/span>.<\/span>d<\/span>.<\/span>(<\/span>map<\/span>[<\/span>string<\/span>]<\/span>interface<\/span>{})<\/span>\r\nfmt<\/span>.<\/span>Println<\/span>(<\/span>d<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u3068\u3084\u308b\u3093\u3067\u3057\u3087\u3046\u304b\u306d\u3002\u3002\u3002<\/p>\n
\u307e\u305f\u9006\u306b\u3001\u30cd\u30b9\u30c8\u306e\u6df1\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308b\u3068\u304d\u3082\u540c\u69d8\u306a\u3064\u3089\u3055\u304c\u3042\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u30cd\u30b9\u30c8\u306e\u6df1\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u5024\u3092\u53d6\u308a\u51fa\u3059<\/h2>\n
var<\/span> d<\/span> interface<\/span>{}<\/span>\r\nerr<\/span> :=<\/span> json<\/span>.<\/span>Unmarshal<\/span>([]<\/span>byte<\/span>(<\/span>a<\/span>),<\/span> &<\/span>d<\/span>)<\/span>\r\nd<\/span>,<\/span> err<\/span> :=<\/span> jsonpath<\/span>.<\/span>Read<\/span>(<\/span>d<\/span>,<\/span> \"$.a.b.c.d\"<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u3053\u3053\u3067\u306fjsonpath\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u624b\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u69d8\u3005\u306a\u7a2e\u985e\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002
\ngo\u3067typesafe\u306b\u30c7\u30fc\u30bf\u3092\u6271\u3046\u306e\u304c\u3064\u3089\u3044\u3068\u304d\u306f\u3001typeless\u306b\u6271\u3046\u4e8b\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u306f\uff1f
\n\u3068\u3044\u3046\u306e\u304c\u3053\u3053\u3067\u8a00\u3044\u305f\u3044\u4e8b\u3067\u3059\u3002<\/p>\n
\u30cd\u30b9\u30c8\u306e\u6df1\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308b<\/h2>\n
\u9006\u306e\u30b1\u30fc\u30b9\u3060\u3068\u3053\u3093\u306a\u98a8\u306b\u66f8\u3051\u307e\u3059\u3002<\/p>\n
template.tpl<\/h5>\n
{\r\n   \"a\": {\r\n      \"b\": {\r\n         \"c\": {\r\n            \"d\": {{<\/span>.<\/span>Data<\/span>}}<\/span>\r\n         }\r\n      }\r\n   }\r\n}\r\n<\/code><\/pre>\n
golang\u6a19\u6e96\u306etemplate\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
   tpl<\/span> :=<\/span> template<\/span>.<\/span>Must<\/span>(<\/span>template<\/span>.<\/span>ParseFiles<\/span>(<\/span>\"template.tpl\"<\/span>))<\/span>\r\n\r\n   var<\/span> d<\/span> =<\/span> map<\/span>[<\/span>string<\/span>]<\/span>int<\/span>{<\/span>\r\n      \"Data\"<\/span>:<\/span>1<\/span>\r\n   }<\/span>\r\n   tpl<\/span>.<\/span>Execute<\/span>(<\/span>w<\/span>,<\/span> d<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u306e\u3088\u3046\u306b\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u5168\u3066type\u3068\u3057\u3066\u8868\u73fe\u3059\u308b\u3053\u3068\u306a\u304f\u76ee\u7684\u306eobject\u3092\u4f5c\u3063\u3066\u3057\u307e\u3046\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u8907\u96d1\u306aDDL\u3092\u5168\u3066\u3001type\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u4e8b\u306f\u591a\u3005\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u3046\u3044\u3046\u3068\u304d\u3001
\ntypeless\u306b\u30c7\u30fc\u30bf\u3092\u6271\u3046\u4e8b\u306b\u3088\u308a\u697d\u306b\u306a\u308b\u3053\u3068\u306f\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
\u3082\u3061\u308d\u3093\u51e6\u7406\u901f\u5ea6\u306a\u3069\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306e\u3067\u3001\u4f7f\u7528\u306b\u3064\u3044\u3066\u306f\u30e1\u30ea\u30c7\u30e1\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u306f\u601d\u3044\u307e\u3059\u304c\u3002<\/p>\n
\u300c\u7b4b\u529b\uff01\u300d\u3068\u8a00\u3063\u3066\u304f\u308bGolang\u306e\u5148\u9054\u306f\u3053\u3046\u3044\u3046\u65b9\u6cd5\u3092\u3069\u3046\u8003\u3048\u308b\u3093\u3067\u3057\u3087\u3046\u304b\u306d\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"
golang\u306f\u7dcf\u79f0\u578b\uff08Generics\uff09\u304c\u306a\u3044\u3001\u56fa\u3044\u578b\u306e\u8a00\u8a9e\u3067\u3059\u3002 \u305d\u306e\u305f\u3081\u3001javascript\u3084Pytho […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44819","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/44819-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"golang\u306f\u7dcf\u79f0\u578b\uff08Generics\uff09\u304c\u306a\u3044\u3001\u56fa\u3044\u578b\u306e\u8a00\u8a9e\u3067\u3059\u3002 \u305d\u306e\u305f\u3081\u3001javascript\u3084Pytho […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44819-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/44819-2\/","og_locale":"zh_CN","og_type":"article","og_description":"golang\u306f\u7dcf\u79f0\u578b\uff08Generics\uff09\u304c\u306a\u3044\u3001\u56fa\u3044\u578b\u306e\u8a00\u8a9e\u3067\u3059\u3002 \u305d\u306e\u305f\u3081\u3001javascript\u3084Pytho […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/44819-2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2022-11-03T16:53:40+00:00","article_modified_time":"2024-04-30T09:40:52+00:00","author":"\u6587, \u7fd4","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u6587, \u7fd4","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/44819-2\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/44819-2\/","name":"- Blog - 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