/// <summary>
/// 转换为FormDataContent
/// 为null则返回FormDataContent的实例
/// </summary>
/// <exception cref="NotSupportedException"></exception>
/// <returns></returns>
private MultipartContent CastToFormDataContent()
{
this.EnsureMediaTypeEqual(FormDataContent.MediaType);
if (!(this.Content is MultipartContent httpContent))
{
httpContent = new FormDataContent();
}
return(httpContent);
}
/// <summary>
/// 添加文件内容到已有的Content
/// 要求content-type为multipart/form-data
/// </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>
/// <exception cref="NotSupportedException"></exception>
public void AddFormDataFile(Stream stream, string name, string?fileName, string?contentType)
{
this.EnsureMediaTypeEqual(FormDataContent.MediaType);
if (!(this.Content is MultipartContent httpContent))
{
httpContent = new FormDataContent();
}
var fileContent = new FormDataFileContent(stream, name, fileName, contentType);
httpContent.Add(fileContent);
this.Content = httpContent;
}
/// <summary>
/// 添加文本内容到已有的Content
/// 要求content-type为multipart/form-data
/// </summary>
/// <param name="keyValues">键值对</param>
/// <exception cref="NotSupportedException"></exception>
/// <exception cref="ArgumentNullException"></exception>
public void AddFormDataText(IEnumerable <KeyValue> keyValues)
{
this.EnsureMediaTypeEqual(FormDataContent.MediaType);
if (!(this.Content is MultipartContent httpContent))
{
httpContent = new FormDataContent();
}
foreach (var keyValue in keyValues)
{
var textContent = new FormDataTextContent(keyValue);
httpContent.Add(textContent);
this.Content = httpContent;
}
}
/// <summary>
/// 转换为自定义HttpConent的HttpContent
/// </summary>
/// <returns></returns>
public HttpContent ToCustomHttpContext()
{
var customHttpContent = new FormDataContent(this.boundary);
foreach (var httpContent in this)
{
if (httpContent is ICustomHttpContentConvertable convertable)
{
customHttpContent.Add(convertable.ToCustomHttpContext());
}
else
{
customHttpContent.Add(httpContent);
}
}
return(customHttpContent);
}