WebAPI学习笔记（4）Asp.net调用WebAPI Post方法获取附件

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1、WebAPI方法：

public HttpResponseMessage GetAttachmentList()
{
            HttpResponseMessage result = null;

            try
            {string fileName1 = "Test001.txt";
                string fileName2 = "Test002.pptx";
                string fileName3 = "Test003.zip";
                string TempFileSavePath = ConfigurationHelper.GetDownloadFileDefaultSavePath();
                byte[] bytes1 = MethodHelper.FileToByte(HttpContext.Current.Server.MapPath(TempFileSavePath + fileName1));
                byte[] bytes2 = MethodHelper.FileToByte(HttpContext.Current.Server.MapPath(TempFileSavePath + fileName2));
                byte[] bytes3 = MethodHelper.FileToByte(HttpContext.Current.Server.MapPath(TempFileSavePath + fileName3));

                List<AttachmentModel> attachmentList = new List<AttachmentModel>();
                attachmentList.Add(new AttachmentModel(fileName1, bytes1));
                attachmentList.Add(new AttachmentModel(fileName2, bytes2));
                attachmentList.Add(new AttachmentModel(fileName3, bytes3));

                result = MethodHelper.GetHttpResponseMessage(ConvertJson.List2Json<AttachmentModel>(attachmentList));
            }
            catch (Exception ex)
            {

            }

            return result;
}

public static HttpResponseMessage GetHttpResponseMessage(string content)
{
      return new HttpResponseMessage { Content = new StringContent(content, Encoding.GetEncoding("UTF-8"), "application/json") };
}

2、调用方式：

//测试附件
string Username = "xxx";
string Password = "xxx";
using (HttpClient client = new HttpClient())
{
                client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(Encoding.UTF8.GetBytes($"{Username}:{Password}")));

                HttpContent httpContent = new StringContent("", Encoding.UTF8);
                httpContent.Headers.Add("user-key", "xxx");
                httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
Uri address = new Uri("https://localhost:44300/api/issues/GetAttachmentList");

                var response = client.PostAsync(address, httpContent).Result.Content.ReadAsStringAsync().Result;//返回值

                List<AttachmentModel> list = JsonConvert.DeserializeObject<List<AttachmentModel>>(response);

                if (list != null)
                {
                    for (int i = 0; i < list.Count; i++)
                    {
                        string filePath = HttpContext.Current.Server.MapPath("Temp/" + list[i].fileName);
                        ByteToFile(list[i].bytes, filePath);
                    }
                }
}

 

 

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