{"id":207168,"date":"2025-07-08T10:33:56","date_gmt":"2025-07-08T02:33:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207168\/"},"modified":"2025-07-08T10:33:56","modified_gmt":"2025-07-08T02:33:56","slug":"%e5%b0%86%e4%b8%80%e9%83%a8%e5%88%86%e6%8e%a5%e5%8f%a3%e8%bd%ac%e6%8d%a2%e4%b8%ba-golang-%e4%b8%ad%e7%9a%84-io-reader-%e5%af%b9%e8%b1%a1%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207168\/","title":{"rendered":"\u5c06\u4e00\u90e8\u5206\u63a5\u53e3\u8f6c\u6362\u4e3a golang \u4e2d\u7684 io.Reader \u5bf9\u8c61\uff1f"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5c06\u4e00\u90e8\u5206\u63a5\u53e3\u8f6c\u6362\u4e3a golang \u4e2d\u7684 io.Reader \u5bf9\u8c61\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-20 15:27:32<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u5c06\u4e00\u90e8\u5206\u63a5\u53e3\u8f6c\u6362\u4e3a golang \u4e2d\u7684 io.Reader \u5bf9\u8c61\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n

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

\u6211\u6b63\u5728\u5c1d\u8bd5\u8fdb\u884c\u6b64\u6570\u636e\u8f6c\u6362\uff0c\u4f46\u6211\u9677\u5165\u56f0\u5883\u3002\u6211\u6709\u8fd9\u4e2a json \u8bf7\u6c42\u6b63\u6587\uff1a<\/p>\n

{\n    \"city\": \"xyz\",\n    \"vouchers\" :[\n        {\n            \"vouchercode\": \"vouchera\",\n            \"amount\": 1000\n        },\n        {\n            \"vouchercode\": \"voucherb\",\n            \"amount\":23\n        }\n    ]\n}\n<\/pre>\n
\u6211\u60f3\u8981\u83b7\u53d6 vouchers<\/code> json \u6570\u7ec4\u5e76\u5c06\u5176\u4f5c\u4e3a\u8bf7\u6c42\u6709\u6548\u8d1f\u8f7d\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a api\u3002\u76ee\u524d\u6211\u8fd9\u6837\u505a\u662f\u4e3a\u4e86\u83b7\u53d6 vouchers<\/code> \u6570\u7ec4\uff1a<\/p>\n
type vouchers struct {\n    Vouchers []interface{} `json:\"vouchers\" form:\"vouchers\"`\n}\n\nvouchers := vouchers{}\njson.Unmarshal(reqBody, &vouchers)\n<\/pre>\n
\u8fd9\u4e3a\u6211\u63d0\u4f9b\u4e86 vouchers<\/code> \u5bf9\u8c61\uff0c\u4f46\u5982\u4f55\u5c06\u5176\u8f6c\u6362\u4e3a io.reader<\/code> \u5bf9\u8c61\u5e76\u5c06\u5176\u4f5c\u4e3a\u6709\u6548\u8d1f\u8f7d\u53d1\u9001\u5230\u53e6\u4e00\u4e2a api\uff1f<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u611f\u8c22 discord gophers \u9891\u9053\u200b\u200b\u4e0a\u7684\u4e00\u4e9b\u5e2e\u52a9\uff0c\u627e\u5230\u4e86\u89e3\u51b3\u8be5\u95ee\u9898\u7684\u65b9\u6cd5\u3002 vouchers<\/code> json\u5bf9\u8c61\u53ef\u4ee5\u88ab\u89e3\u7ec4\u5230json.rawmessage<\/code>\u7c7b\u578b\u7684\u5b57\u6bb5\u4e2d\uff0c\u7136\u540e\u53ef\u4ee5\u5728bytes.newreader<\/code>\u4e2d\u4f20\u9012\u3002<\/p>\n
type vouchers struct {\n    Vouchers json.RawMessage `json:\"vouchers\" form:\"vouchers\"`\n}\n\nvouchers := vouchers{}\njson.Unmarshal(reqBody, &vouchers)\n<\/pre>\n
\u7a0d\u540e\u53ef\u4ee5\u4f7f\u7528 bytes.newreader(vouchers.vouchers)<\/code> \u5c06\u5176\u4f5c\u4e3a\u6709\u6548\u8d1f\u8f7d\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a api\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/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-207168","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207168","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=207168"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207168\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}