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  • C# Net Core 使用 HttpClient 上传文件及信息(带Headers,FormData参数)

    C# Net Core 使用 HttpClient 上传文件及信息(带Headers,FormData参数)

    包:Newtonsoft.Json

    public static string UploadFile(byte[] file, string fileName, string token)
            {
                Uri uri = new Uri(Appsettings.App("FileServe") + "/file/upload");
    
                using (MemoryStream memoryStream = new MemoryStream(file))
                {
                    var formData = new MultipartFormDataContent();
                    formData.Headers.Add("Access-Token", token);
                    formData.Add(new StreamContent(memoryStream, (int)memoryStream.Length), "file", fileName);
    
                    //Region为请求文件接口需要的参数,根据调用接口参数而定
                    //formData.Add(new StringContent(info.Region), "Region");
    
                    var _httpclient = new HttpClient();
                    var response = _httpclient.PostAsync(uri, formData).Result;
                    if (response.IsSuccessStatusCode)
                    {
                        var responseStr = response.Content.ReadAsStringAsync().Result;
    
                        JObject o = JObject.Parse(responseStr);
                        //var responseObj = JsonConvert.DeserializeObject<string>(responseStr);
                        if (o.ContainsKey("id"))
                        {
                            var id = o.GetValue("id").ToString();
                            return id;
                        }
                        else
                        {
                            throw new Exception("上传文件时出错,错误信息为:" + responseStr);
                        }
                    }
                }
                return string.Empty;
            }
    

      

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  • 原文地址:https://www.cnblogs.com/ping9719/p/12869381.html
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