{"id":207176,"date":"2025-07-08T10:55:31","date_gmt":"2025-07-08T02:55:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207176\/"},"modified":"2025-07-08T10:55:31","modified_gmt":"2025-07-08T02:55:31","slug":"gin-%e5%b0%86%e5%ad%97%e8%8a%82%e4%bd%9c%e4%b8%ba%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207176\/","title":{"rendered":"Gin \u5c06\u5b57\u8282\u4f5c\u4e3a\u6587\u4ef6"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Gin \u5c06\u5b57\u8282\u4f5c\u4e3a\u6587\u4ef6<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-20 16:33:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

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

\u6211\u6709\u4e00\u4e2a\u5e26\u6709\u675c\u677e\u5b50\u9152\u7684 golang \u540e\u7aef\u3002\u5b83\u5e94\u8be5\u4f5c\u4e3a\u5305\u542b\u97f3\u9891\u6587\u4ef6\u7684 ftp \u670d\u52a1\u5668\u7684\u4ee3\u7406\u3002\u56e0\u6b64\uff0c\u6211\u7684\u5ba2\u6237\u7aef\u5e94\u8be5\u80fd\u591f\u8c03\u7528\u7aef\u70b9 \/download\/filepath\uff0c\u7136\u540e Golang \u5e94\u7528\u7a0b\u5e8f\u5e94\u8be5\u4ece ftp \u670d\u52a1\u5668\u83b7\u53d6\u6587\u4ef6\u5e76\u5c06\u5176\u4f5c\u4e3a\u6587\u4ef6\u8fd4\u56de\uff08\u65e0\u6d41\uff09\u3002 <\/p>\n

\u6211\u5f53\u524d\u7684\u89e3\u51b3\u65b9\u6848\u662f\u4ece ftp \u8bfb\u53d6\u6587\u4ef6\u4f5c\u4e3a []byte \u5e76\u4f7f\u7528 ioutil.TempFile() \u4e34\u65f6\u5c06\u5176\u5199\u5165\u78c1\u76d8\uff0c\u5e76\u4f7f\u7528 ctx.File() \u8fd4\u56de\u8be5\u6587\u4ef6\u3002<\/p>\n

\u5982\u679c\u53ef\u80fd\u7684\u8bdd\uff0c\u6211\u60f3\u8df3\u8fc7\u521b\u5efa\u4e34\u65f6\u6587\u4ef6\u7684\u6b65\u9aa4\u3002\u90a3\u53ef\u80fd\u5417\uff1f\u4e5f\u8bb8\u6709\u4e00\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4ee3\u7406\u8c03\u7528\u5e76\u76f4\u63a5\u5c06 http \u8c03\u7528\u8fde\u63a5\u5230 ftp \u8c03\u7528\uff1f<\/p>\n

\u8bf7\u6ce8\u610f\uff0c\u6211\u4e0d\u63a7\u5236\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\uff0c\u56e0\u6b64\u65e0\u6cd5\u66f4\u6539\u5b83\u3002<\/p>\n

<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/h2>\n

<\/p>\n

\u4f7f\u7528 \u5199\u5165 []byte<\/code> \u4f5c\u4e3a\u54cd\u5e94\u3002<\/p>\n

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http \u54cd\u5e94\u662f\u5b57\u8282\u6d41\u3002\u6ca1\u6709\u529e\u6cd5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002 <\/p>\n

gin\u6846\u67b6\uff0c\u5411\u5ba2\u6237\u7aef\u63d0\u4f9b\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u7136\u540e\u5f53\u7528\u6237\u70b9\u51fbapi\u65f6\u6d4f\u89c8\u5668\u81ea\u52a8\u4e0b\u8f7d\u6587\u4ef6\uff0c\u5e76\u4e14\u670d\u52a1\u5668\u4e0d\u9700\u8981\u4fdd\u5b58\u6587\u4ef6\uff08\u6ca1\u6709\u9759\u6001\u6587\u4ef6\uff09\uff0c\u90a3\u4e48\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002\u5176\u4e2d\u7b2c\u4e09\u4e2a\u53c2\u6570\u7684\u6570\u636e\u7c7b\u578b\u662f[]byte\u3002\u8fd9\u662f\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n

func DownloadFile(c *gin.Context) {\n    byteFile, err := ioutil.ReadFile(\".\/file.txt\")\n    if err != nil {\n        fmt.Println(err)\n    }\n\n    c.Header(\"Content-Disposition\", \"attachment; filename=file-name.txt\")\n    c.Data(http.StatusOK, \"application\/octet-stream\", byteFile)\n}<\/pre>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGin \u5c06\u5b57\u8282\u4f5c\u4e3a\u6587\u4ef6\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\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-207176","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207176","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=207176"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207176\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}