private Respone <T> uploadFileApiExecute <T>()
{
if (string.IsNullOrEmpty(RquestInfo.FilePath))
{
throw new Exception("未指定文件路径，请在接口调用中使用");
}
if (File.Exists(RquestInfo.FilePath))
{
throw new Exception("未找到文件，请使用正确的文件路径");
}
Respone <T> t = new Respone <T>();
//边界
string boundary = DateTime.Now.Ticks.ToString("x");
//准备url地址
StringBuilder sb = new StringBuilder();
sb.Append(Client.Url);
sb.Append(RquestInfo.Url);
//创建uploadfile对象
HttpWebRequest uploadRequest = (HttpWebRequest)WebRequest.Create(sb.ToString());//url为上传的地址
if (RquestInfo.HttpMethod == RetrofitAttribute.HttpMethod.Get)
{
throw new Exception("文件上传必须使用POST请求");
}
uploadRequest.ContentType = "multipart/form-data; boundary=" + boundary;
uploadRequest.Method = RquestInfo.HttpMethod.ToString();
uploadRequest.Accept = "*/*";
uploadRequest.KeepAlive = true;
uploadRequest.Credentials = System.Net.CredentialCache.DefaultCredentials;
//此服务器/retrofit 的header固定添加
if (Client.Header?.Count > 0)
{
foreach (var item in Client.Header)
{
uploadRequest.Headers.Add(item);
}
}
//方法内固定header和动态header添加
if (RquestInfo.Header.Count > 0)
{
foreach (var item in RquestInfo.Header)
{
uploadRequest.Headers.Add(item);
}
}
//创建一个内存流
Stream memStream = new MemoryStream();
boundary = "--" + boundary;
//添加上传文件参数格式边界
string paramFormat = boundary + "\r\nContent-Disposition: form-data; name=\"{0}\";\r\n\r\n{1}\r\n";
NameValueCollection param = new NameValueCollection();
param.Add("fname", Guid.NewGuid().ToString() + Path.GetExtension(RquestInfo.FilePath));
//写上参数
foreach (string key in param.Keys)
{
string formitem = string.Format(paramFormat, key, param[key]);
byte[] formitembytes = System.Text.Encoding.UTF8.GetBytes(formitem);
memStream.Write(formitembytes, 0, formitembytes.Length);
}
//添加上传文件数据格式边界
string dataFormat = boundary + "\r\nContent-Disposition: form-data; name=\"{0}\";filename=\"{1}\"\r\nContent-Type:application/octet-stream\r\n\r\n";
string header = string.Format(dataFormat, "Filedata", Path.GetFileName(RquestInfo.FilePath));
byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
memStream.Write(headerbytes, 0, headerbytes.Length);
//获取文件内容
FileStream fileStream = new FileStream(RquestInfo.FilePath, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[1024];
int bytesRead = 0;
//将文件内容写进内存流
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
memStream.Write(buffer, 0, bytesRead);
}
fileStream.Close();
//添加文件结束边界
byte[] boundarybytes = System.Text.Encoding.UTF8.GetBytes("\r\n\n" + boundary + "\r\nContent-Disposition: form-data; name=\"Upload\"\r\n\nSubmit Query\r\n" + boundary + "--");
memStream.Write(boundarybytes, 0, boundarybytes.Length);
//设置请求长度
uploadRequest.ContentLength = memStream.Length;
//获取请求写入流
Stream requestStream = uploadRequest.GetRequestStream();
//将内存流数据读取位置归零
memStream.Position = 0;
byte[] tempBuffer = new byte[memStream.Length];
memStream.Read(tempBuffer, 0, tempBuffer.Length);
memStream.Close();
//将内存流中的buffer写入到请求写入流
requestStream.Write(tempBuffer, 0, tempBuffer.Length);
requestStream.Close();
//获取到上传请求的响应
HttpWebResponse response = (HttpWebResponse)uploadRequest.GetResponse();
return(t);
}
private Respone <T> commonApiExecute <T>()
{
StringBuilder sb = new StringBuilder();
sb.Append(Client.Url);
sb.Append(RquestInfo.Url);
if (RquestInfo.Param.Keys.Count > 0)
{
sb.Append("?");
for (int i = 0; i < RquestInfo.Param.Keys.Count; i++)
{
var paramName = RquestInfo.Param.Keys.ElementAt(i);
var paramValue = RquestInfo.Param[paramName];
sb.Append(paramName);
sb.Append("=");
sb.Append(paramValue);
if (i != RquestInfo.Param.Keys.Count)
{
sb.Append("&");
}
}
}
Encoding encoding = Encoding.UTF8;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(sb.ToString());
request.Method = RquestInfo.HttpMethod.ToString();
request.Accept = Client.Accept;
request.ContentType = Client.ContentType;
//此服务器/retrofit 的header固定添加
if (Client.Header?.Count > 0)
{
foreach (var item in Client.Header)
{
request.Headers.Add(item);
}
}
//方法内固定header和动态header添加
if (RquestInfo.Header.Count > 0)
{
foreach (var item in RquestInfo.Header)
{
request.Headers.Add(item);
}
}
if (!string.IsNullOrEmpty(RquestInfo.Body))
{
byte[] buffer = encoding.GetBytes(RquestInfo.Body);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
}
Respone <T> respone = new Respone <T>();
try
{
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
respone.Code = response.StatusCode;
respone.IsSuccess = true;
respone.Msg = "接口调取成功";
string dataStr = reader.ReadToEnd();
respone.Data = Newtonsoft.Json.JsonConvert.DeserializeObject <T>(dataStr);
}
}
catch (WebException ex)
{
respone.IsSuccess = false;
HttpWebResponse response = (HttpWebResponse)ex.Response;
if (respone != null)
{
respone.Code = response.StatusCode;
respone.Msg = ex.Message + "\t" + response.StatusDescription;
using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
try
{
string dataStr = reader.ReadToEnd();
respone.Data = Newtonsoft.Json.JsonConvert.DeserializeObject <T>(dataStr);
}
catch (Exception ex2)
{
respone.Msg += "\t" + ex2.Message;
}
}
}
else
{
respone.Code = HttpStatusCode.NotFound;
respone.Msg = "未得到服务器的相应";
}
}
return(respone);
}
