{"id":207839,"date":"2025-07-08T08:44:55","date_gmt":"2025-07-08T00:44:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207839\/"},"modified":"2025-07-08T08:44:55","modified_gmt":"2025-07-08T00:44:55","slug":"go%e4%b8%ad%e5%b0%86%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%98%a0%e5%b0%84%e5%88%b0uuid","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207839\/","title":{"rendered":"go\u4e2d\u5c06\u5b57\u7b26\u4e32\u6620\u5c04\u5230UUID"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> go\u4e2d\u5c06\u5b57\u7b26\u4e32\u6620\u5c04\u5230UUID<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-25 22:45:26<\/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\u4e2d\u5c06\u5b57\u7b26\u4e32\u6620\u5c04\u5230UUID\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

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u4f7f\u7528 mitchellh\/mapstruct \u4ece map[string]interface{}<\/code> \u6620\u5c04\u5230 struct<\/code><\/p>\n

\u6709\u6ca1\u6709\u529e\u6cd5\u544a\u8bc9mapstruct<\/code>\u5c06string<\/code>\u8f6c\u6362\u4e3auuid.uuid<\/code>\uff1f<\/p>\n

map[string]\u63a5\u53e3{}<\/code>\uff1a<\/h5>\n
{\n    \"id\": \"af7926b1-98eb-4c96-a2ba-7e429085b2ad\",\n    \"title\": \"new title\",\n}\n<\/pre>\n
struct<\/code><\/h5>\n
package entities\n\nimport (\n    \"github.com\/google\/uuid\"\n)\n\ntype Post struct {\n    Id      uuid.UUID  `json:\"id\"`\n    Title   string     `json:\"title\"`\n}\n<\/pre>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u60a8\u53ef\u4ee5\u6dfb\u52a0 decodehookfunc<\/code>\uff1a<\/p>\n
func decode(input, output interface{}) error {\n    config := &mapstructure.DecoderConfig{\n        DecodeHook: mapstructure.ComposeDecodeHookFunc(\n            stringToUUIDHookFunc(),\n        ),\n        Result: &output,\n    }\n\n    decoder, err := mapstructure.NewDecoder(config)\n    if err != nil {\n        return err\n    }\n\n    return decoder.Decode(input)\n}\n\nfunc stringToUUIDHookFunc() mapstructure.DecodeHookFunc {\n    return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {\n        if f.Kind() != reflect.String {\n            return data, nil\n        }\n        if t != reflect.TypeOf(uuid.UUID{}) {\n            return data, nil\n        }\n\n        return uuid.Parse(data.(string))\n    }\n}<\/pre>\n
    \n
  • \u6765\u6e90\uff1a<\/li>\n
  • \u6587\u6863\uff1a <\/li>\n<\/ul>\n
    \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\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/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-207839","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207839","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=207839"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207839\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}