{"id":208308,"date":"2025-07-08T15:16:21","date_gmt":"2025-07-08T07:16:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208308\/"},"modified":"2025-07-08T15:16:21","modified_gmt":"2025-07-08T07:16:21","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-go-%e4%b8%ad%e8%a7%a3%e7%a0%81-json%ef%bc%8c%e5%ae%83%e4%bb%a5%e7%b1%bb%e5%9e%8b%e6%95%b0%e7%bb%84%e7%9a%84%e5%bd%a2%e5%bc%8f%e8%bf%94%e5%9b%9e%e5%a4%9a%e4%b8%aa%e5%85%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208308\/","title":{"rendered":"\u5982\u4f55\u5728 Go \u4e2d\u89e3\u7801 JSON\uff0c\u5b83\u4ee5\u7c7b\u578b\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u591a\u4e2a\u5143\u7d20\uff0c\u4ee5\u7c7b\u578b\u7684\u5f62\u5f0f\u8fd4\u56de\u5355\u4e2a\u5143\u7d20"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728 Go \u4e2d\u89e3\u7801 JSON\uff0c\u5b83\u4ee5\u7c7b\u578b\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u591a\u4e2a\u5143\u7d20\uff0c\u4ee5\u7c7b\u578b\u7684\u5f62\u5f0f\u8fd4\u56de\u5355\u4e2a\u5143\u7d20<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-05-01 16:00:39<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u300a\u5982\u4f55\u5728 Go \u4e2d\u89e3\u7801 JSON\uff0c\u5b83\u4ee5\u7c7b\u578b\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u591a\u4e2a\u5143\u7d20\uff0c\u4ee5\u7c7b\u578b\u7684\u5f62\u5f0f\u8fd4\u56de\u5355\u4e2a\u5143\u7d20\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60Golang<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591aGolang<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n

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

\u6211\u6b63\u5728\u4f7f\u7528\u53d1\u9001 json \u6570\u636e\u7684 api\u3002\u95ee\u9898\u5728\u4e8e\u5355\u4e2a\u5143\u7d20\u7684\u6570\u7ec4\u663e\u793a\u4e3a\u5355\u4e2a\u503c\u3002\u4f8b\u5982\uff0c\u8003\u8651\u4ee5\u4e0b json\uff1a<\/p>\n

{ \"names\": [\"alice\",\"bob\"] }<\/pre>\n
api \u5c06\u5176\u4f5c\u4e3a\u6570\u7ec4\u53d1\u9001\u3002\u4f46\u662f\uff0c\u5f53 names<\/code> \u5b57\u6bb5\u5177\u6709\u5355\u4e2a\u5143\u7d20\u65f6\uff0capi \u4f1a\u53d1\u9001\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
{ \"names\": \"alice\" }<\/pre>\n
\u8fd9\u5c31\u662f\u6211\u901a\u5e38\u5728 go \u4e2d\u89e3\u7801\u6b64\u54cd\u5e94\u7684\u65b9\u5f0f\uff1a<\/p>\n
type Response struct {\n    Names []string `json:\"names\"`\n}\n\n\/\/ later\n\nd := &Response{}\n_ = json.NewDecoder(resp).Decode(d) \/\/ resp would be a http.Response.Body containing the problematic JSON\n<\/pre>\n
go \u6b63\u786e\u89e3\u7801\u7b2c\u4e00\u4e2a json\u3002\u4f46\u662f\uff0c\u5728\u89e3\u7801\u7b2c\u4e8c\u4e2a json \u540e\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u4e00\u4e2a\u7a7a\u6570\u7ec4\u3002<\/p>\n
\u6211\u5bf9 api \u6ca1\u6709\u4efb\u4f55\u63a7\u5236\u6743\uff0c\u6240\u4ee5\u6211\u5fc5\u987b\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u5982\u4f55\u5728 go \u4e2d\u6b63\u786e\u89e3\u7801\u6b64 json\uff0c\u4ee5\u4fbf names<\/code> \u5207\u7247\u5305\u542b\u5355\u4e2a\u5143\u7d20\uff1f\u611f\u8c22\u60a8\u7684\u5e2e\u52a9\u3002 <\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u60a8\u53ef\u4ee5\u5b9e\u73b0 \u63a5\u53e3\u5e76\u8ba9\u5b83\u68c0\u67e5 [<\/code> \u6216 \"<\/code> \u7684\u7b2c 0 \u4e2a\u539f\u59cb\u5b57\u8282\uff0c\u4ee5\u5206\u522b\u786e\u5b9a\u5b83\u662f\u6570\u7ec4\u8fd8\u662f\u5b57\u7b26\u4e32\uff1a<\/p>\n
type stringslice []string\n\nfunc (ss *stringslice) unmarshaljson(data []byte) error {\n    if data[0] == '[' {\n        return json.unmarshal(data, (*[]string)(ss))\n    } else if data[0] == '\"' {\n        var s string\n        if err := json.unmarshal(data, &s); err != nil {\n            return err\n        }\n        *ss = append(*ss, s)\n    }\n    return nil\n}<\/pre>\n<\/p>\n
\u60a8\u5fc5\u987b\u5c06\u5176\u89e3\u7801\u4e3a interface{}<\/code>\uff0c\u7136\u540e\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u6765\u68c0\u67e5\u57fa\u7840\u7c7b\u578b\u662f\u5207\u7247\u8fd8\u662f\u5b57\u7b26\u4e32\u3002<\/p>\n
type response struct {\n     names interface{} `json:\"names\"` \n }<\/pre>\n
\u7136\u540e\u5728\u89e3\u7801\u4e3a d<\/code> \u540e\uff0c\u60a8\u5c06\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n
slice, ok := d.Names.([]interface{})\n    if ok {\n      \/\/ it was a slice. use it.\n    } else {\n      \/\/ it wasn't a slice - so expect it to be a string\n      \/\/ and use that, etc.\n    }<\/pre>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5982\u4f55\u5728 Go \u4e2d\u89e3\u7801 JSON\uff0c\u5b83\u4ee5\u7c7b\u578b\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u591a\u4e2a\u5143\u7d20\uff0c\u4ee5\u7c7b\u578b\u7684\u5f62\u5f0f\u8fd4\u56de\u5355\u4e2a\u5143\u7d20\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\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/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-208308","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208308","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=208308"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208308\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}