/// <summary>
/// 以body为载体上传文件
/// </summary>
/// <param name="url"></param>
/// <param name="filePath"></param>
/// <param name="paramList"></param>
/// <param name="options"></param>
/// <param name="clientSetting"></param>
/// <returns></returns>
public async static Task <string> PostFileAsync(string url, string filePath, IDictionary <string, string> paramList = null, HttpPostOptions options = null, Action <HttpClient> clientSetting = null)
{
options = options ?? new HttpPostOptions();
var file = Path.GetFileName(filePath);
using (var client = CreateHttpClient(options.Accept, options.AcceptCharset))
{
clientSetting?.Invoke(client);
url = AppendParams(url, paramList);
FileStream stream = File.OpenRead(filePath);
StreamContent streamContent = new StreamContent(stream);
streamContent.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment");
streamContent.Headers.ContentDisposition.FileName = file;
streamContent.Headers.ContentLength = stream.Length;
streamContent.Headers.ContentType = new MediaTypeHeaderValue(MimeMapping.GetMimeMapping(file));
var response = await client.PostAsync(url, streamContent);
response.EnsureSuccessStatusCode();
return(options.Encoding.GetString(await response.Content.ReadAsByteArrayAsync()));
#region
//foreach (var path in filePaths)
//{
// var fileContent = new ByteArrayContent(File.ReadAllBytes(path));
// fileContent.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
// {
// FileName = Path.GetFileName(path),
// Name = "files"
// };
// content.Add(fileContent);
//}
#endregion
}
}
/// <summary>
/// PostForm请求
/// </summary>
/// <param name="url"></param>
/// <param name="form"></param>
/// <param name="paramList"></param>
/// <param name="options"></param>
/// <param name="clientSetting"></param>
/// <returns></returns>
public async static Task <string> PostFormAsync(string url, IDictionary <string, string> form, IDictionary <string, string> paramList = null, HttpPostOptions options = null, Action <HttpClient> clientSetting = null)
{
options = options ?? new HttpPostOptions();
using (var client = CreateHttpClient(options.Accept, options.AcceptCharset))
{
clientSetting?.Invoke(client);
url = AppendParams(url, paramList);
var content = new FormUrlEncodedContent(form);
var response = await client.PostAsync(url, content);
response.EnsureSuccessStatusCode();
return(options.Encoding.GetString(await response.Content.ReadAsByteArrayAsync()));
}
}
/// <summary>
/// PostMultipartForm请求
/// </summary>
/// <param name="url"></param>
/// <param name="form"></param>
/// <param name="filePaths"></param>
/// <param name="fileFormName"></param>
/// <param name="paramList"></param>
/// <param name="options"></param>
/// <param name="clientSetting"></param>
/// <returns></returns>
public async static Task <string> PostMultipartFormAsync(string url, IDictionary <string, string> form, IList <string> filePaths, string fileFormName, IDictionary <string, string> paramList = null, HttpPostOptions options = null, Action <HttpClient> clientSetting = null)
{
options = options ?? new HttpPostOptions();
using (var client = CreateHttpClient(options.Accept, options.AcceptCharset))
{
clientSetting?.Invoke(client);
url = AppendParams(url, paramList);
using (var content = new MultipartFormDataContent())
{
if (form != null)
{
foreach (var key in form.Keys)
{
content.Add(new StringContent(form[key]), key);
}
}
if (filePaths != null)
{
foreach (var path in filePaths)
{
var file = Path.GetFileName(path);
FileStream stream = File.OpenRead(path);
StreamContent streamContent = new StreamContent(stream);
streamContent.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data");
streamContent.Headers.ContentDisposition.Name = fileFormName ?? "files";
streamContent.Headers.ContentDisposition.FileName = file;
streamContent.Headers.ContentLength = stream.Length;
streamContent.Headers.ContentType = new MediaTypeHeaderValue(MimeMapping.GetMimeMapping(file));
content.Add(streamContent);
}
}
var response = await client.PostAsync(url, content);
response.EnsureSuccessStatusCode();
return(options.Encoding.GetString(await response.Content.ReadAsByteArrayAsync()));
}
}
}
