{"id":207217,"date":"2025-07-08T09:28:22","date_gmt":"2025-07-08T01:28:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207217\/"},"modified":"2025-07-08T09:28:22","modified_gmt":"2025-07-08T01:28:22","slug":"%e5%8f%91%e9%80%81%e4%b8%8a%e4%bc%a0%e7%9a%84%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207217\/","title":{"rendered":"\u53d1\u9001\u4e0a\u4f20\u7684\u6587\u4ef6"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u53d1\u9001\u4e0a\u4f20\u7684\u6587\u4ef6<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-20 21:03:49<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u53d1\u9001\u4e0a\u4f20\u7684\u6587\u4ef6\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

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

\u6211\u4f7f\u7528 echo \u6846\u67b6\u6765\u6784\u5efa rest api\u3002 \u6211\u901a\u8fc7 http \u8bf7\u6c42\u63a5\u6536\u6587\u4ef6\uff0c\u6211\u9700\u8981\u901a\u8fc7 post \u8bf7\u6c42\u5c06\u5176\u53d1\u9001\u5230\u4e0b\u4e00\u4e2a api \u670d\u52a1\u3002 \u6211\u5982\u4f55\u5728\u4e0d\u5b58\u50a8\u6587\u4ef6\u7684\u60c5\u51b5\u4e0b\u505a\u5230\u8fd9\u4e00\u70b9\uff1f<\/p>\n

\u6211\u5df2\u7ecf\u5c1d\u8bd5\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f46\u611f\u89c9\u4e0d\u5bf9\uff0c\u56e0\u4e3a\u6211\u7684\u54cd\u5e94\u9519\u8bef\u201c\u65e0\u6cd5\u5c06\u5185\u5bb9\u89e3\u6790\u4e3a formdata\u201d<\/p>\n

func (h *Handler) UploadFile(c echo.Context) error {\n    formFile, err := c.FormFile(\"file\")\n    if err != nil {\n        return err\n    }\n\n    file, err := formFile.Open()\n    if err != nil {\n        return err\n    }\n    defer file.Close()\n\n    cid, err := h.s.Upload(context.Background(), file)\n    if err != nil {\n        return err\n    }\n\n    return c.String(http.StatusOK, \"Ok\")\n\n}\n\nfunc (s *Storage) Upload(ctx context.Context, file io.Reader) (cid.Cid, error) {\n    req, err := http.NewRequest(http.MethodPost, s.config.endpoint+\"\/upload\", file)\n    if err != nil {\n        return cid.Undef, err\n    }\n    req.Header.Set(\"accept\", \"application\/json\")\n    req.Header.Set(\"Content-Type\", \"multipart\/form-data\")\n    req.Header.Set(\"Authorization\", fmt.Sprintf(\"Bearer %s\", s.config.token))\n    res, err := s.config.hc.Do(req)\n    if err != nil {\n        return cid.Undef, err\n    }\n    d := json.NewDecoder(res.Body)\n    if res.StatusCode != 200 {\n        return cid.Undef, fmt.Errorf(\"unexpected response status: %d\", res.StatusCode)\n    }\n    var out struct {\n        Cid string `json:\"cid\"`\n    }\n    err = d.Decode(&out)\n    if err != nil {\n        return cid.Undef, err\n    }\n    return cid.Parse(out.Cid)\n}\n<\/pre>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u662f\u89e3\u51b3\u65b9\u6848\u3002 \u8c22\u8c22\u3002<\/p>\n
func (s *Storage) Upload(ctx context.Context, file multipart.File, fileHeader *multipart.FileHeader) (cid.Cid, error) {\n    rCtx, cancel := context.WithTimeout(ctx, 30*time.Second)\n    defer cancel()\n\n    buf := new(bytes.Buffer)\n    writer := multipart.NewWriter(buf)\n\n    part, err := writer.CreateFormFile(\"file\", fileHeader.Filename)\n    if err != nil {\n        return cid.Undef, err\n    }\n\n    b, err := ioutil.ReadAll(file)\n\n    if err != nil {\n        return cid.Undef, err\n    }\n\n    part.Write(b)\n    writer.Close()\n    req, err := http.NewRequestWithContext(rCtx, http.MethodPost, s.config.endpoint+\"\/upload\", buf)\n    if err != nil {\n        return cid.Undef, err\n    }\n\n    req.Header.Set(\"Content-Type\", writer.FormDataContentType())\n    req.Header.Set(\"Authorization\", fmt.Sprintf(\"Bearer %s\", s.config.token))\n    req.Header.Set(\"X-Client\", \"web3.storage\/go\")\n\n    res, err := s.config.hc.Do(req)\n    if err != nil {\n        return cid.Undef, err\n    }\n\n    d := json.NewDecoder(res.Body)\n    if res.StatusCode != 200 {\n        var out responseError\n        d.Decode(&out)\n        log.Error(out)\n        return cid.Undef, fmt.Errorf(\"unexpected response status: %d\", res.StatusCode)\n    }\n    var out struct {\n        Cid string `json:\"cid\"`\n    }\n    err = d.Decode(&out)\n    if err != nil {\n        return cid.Undef, err\n    }\n    return cid.Parse(out.Cid)\n}\n<\/pre>\n
\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u53d1\u9001\u4e0a\u4f20\u7684\u6587\u4ef6\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\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-207217","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207217","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=207217"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207217\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}