using NewLife.Data;
namespace NewLife.Http;
/// <summary>表单部分</summary>
public class FormFile
{
#region 属性
/// <summary>名称</summary>
public String Name { get; set; } = null!;
/// <summary>内容部署</summary>
public String? ContentDisposition { get; set; }
/// <summary>内容类型</summary>
public String? ContentType { get; set; }
/// <summary>文件名</summary>
public String? FileName { get; set; }
/// <summary>数据</summary>
public Byte[]? Data { get; set; }
/// <summary>长度</summary>
public Int64 Length => Data?.Length ?? 0;
#endregion
/// <summary>打开数据读取流</summary>
/// <returns></returns>
public Stream? OpenReadStream() => Data == null ? null : new MemoryStream(Data);
/// <summary>保存到文件</summary>
/// <param name="fileName"></param>
public void SaveToFile(String? fileName = null)
{
if (fileName.IsNullOrEmpty()) fileName = FileName;
if (fileName.IsNullOrEmpty()) throw new ArgumentNullException(nameof(fileName));
if (Data == null) throw new ArgumentNullException(nameof(Data));
fileName.EnsureDirectory(true);
using var fs = File.OpenWrite(fileName.GetFullPath());
//Data.CopyTo(fs);
fs.Write(Data);
fs.SetLength(fs.Position);
}
}
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