/// <summary>
/// 文件扩展名与文件类型/子类型映射
/// </summary>
static MimeTable()
{
var datas = from line in MimeTable.LoadMimeLines()
let kv = line.Split(new[] { '\t', ' ' }, StringSplitOptions.RemoveEmptyEntries)
let ext = kv.FirstOrDefault()
let contenType = kv.LastOrDefault()
select new { ext, contenType };
foreach (var item in datas)
{
if (mimeTable.ContainsKey(item.ext) == false)
{
mimeTable.Add(item.ext, item.contenType);
}
}
}
/// <summary>
/// 文件内容
/// </summary>
/// <param name="stream">文件流</param>
/// <param name="name">名称</param>
/// <param name="fileName">文件名</param>
/// <param name="contentType">文件Mime</param>
public MulitpartFileContent(Stream stream, string name, string fileName, string contentType)
: base(stream)
{
if (this.Headers.ContentDisposition == null)
{
var disposition = new ContentDispositionHeaderValue("form-data");
disposition.Name = string.Format("\"{0}\"", name);
disposition.FileName = string.Format("\"{0}\"", fileName);
this.Headers.ContentDisposition = disposition;
}
if (string.IsNullOrEmpty(contentType))
{
contentType = MimeTable.GetContentType(fileName);
}
this.Headers.ContentType = new MediaTypeHeaderValue(contentType);
}