/// <summary>
/// 转换为MultipartContent
/// 为null则返回MultipartContent的实例
/// </summary>
/// <exception cref="NotSupportedException"></exception>
/// <returns></returns>
private MultipartContent CastToMultipartContent()
{
this.EnsureMediaTypeEqual(MultipartFormContent.MediaType);
var httpContent = this.Content as MultipartContent;
if (httpContent == null)
{
httpContent = new MultipartFormContent();
}
return(httpContent);
}
/// <summary>
/// 创建省略文件内容的MultipartContent
/// </summary>
/// <returns></returns>
private MultipartContent CreateEllipsisFileMultipartContent()
{
var multipartContent = new MultipartFormContent(this.boundary);
foreach (var httpContent in this)
{
if (httpContent is MulitpartFileContent fileContent)
{
multipartContent.Add(fileContent.ToEllipsisContent());
}
else
{
multipartContent.Add(httpContent);
}
}
return(multipartContent);
}