/// <summary>
/// 复制到指定类型资源的路径中
/// 如果指定文件存在，则覆盖
/// 成功则返回true
/// </summary>
/// <param name="targetResType">目标类型</param>
/// <returns></returns>
public ResManage <T> CopyTo(T targetResType)
{
if (this.FileExist == false)
{
throw new FileNotFoundException("文件不存在", this.FullFileName);
}
if (targetResType.Equals(this.ResType) == true)
{
throw new ArgumentException("resType参数有误", "resType");
}
var match = Regex.Match(this.FileName, @"$\d{4}_\d{2}\\");
var fileName = Regex.Replace(this.FileName, @"$\d{4}_\d{2}\\", string.Empty);
var resTypeEnum = (Enum)Enum.Parse(typeof(T), targetResType.ToString());
if (resTypeEnum.IsDefined <ResSplitByMonthAttribute>() == true)
{
fileName = string.Format(@"{0}\{1}", match.Success ? match.Value : DateTime.Now.ToString("yyyy_MM"), fileName);
}
var res = ResManage.Parse(fileName, targetResType);
Directory.CreateDirectory(Path.GetDirectoryName(res.FullFileName));
File.Copy(this.FullFileName, res.FullFileName, true);
return(res);
}
/// <summary>
/// 保存上传的文件对象到指定类型文件夹下
/// 返回保存后资源文件的信息
/// </summary>
/// <param name="file">上传的文件</param>
/// <param name="resType">资源类型</param>
/// <param name="idName">用以作文件名或文件的父文件夹名</param>
/// <param name="useIdFolder">是否使用idName作父文件夹包裹文件，如果为ture,文件名将不变</param>
/// <param name="keepName">当useIdFolder为true且keepName为false时，文件名为随机名</param>
/// <returns></returns>
public static ResManage <T> SavePostedFile <T>(HttpPostedFileBase file, T resType, Guid idName, bool useIdFolder = false, bool keepName = false) where T : struct
{
if (typeof(T).IsEnum == false)
{
throw new Exception("泛型参数类型必须为枚举类型");
}
return(ResManage.SaveFile(file, resType, idName, useIdFolder, keepName));
}
/// <summary>
/// 保存上传的文件对象到指定类型文件夹下
/// 返回保存后资源文件的信息
/// </summary>
/// <param name="file">上传的文件</param>
/// <param name="resType">资源类型</param>
/// <param name="idName">用以作文件名或文件的父文件夹名</param>
/// <param name="useIdFolder">是否使用idName作父文件夹包裹文件，如果为ture,文件名将不变</param>
/// <param name="keepName">当useIdFolder为true且keepName为false时，文件名为随机名</param>
/// <returns></returns>
private static ResManage <T> SaveFile <T>(HttpPostedFileBase file, T resType, object idName, bool useIdFolder = false, bool keepName = false) where T : struct
{
if (file == null || file.ContentLength == 0)
{
throw new ArgumentNullException("file");
}
var idNameString = idName.ToString().Replace("-", "_");
string fileName = string.Concat(idNameString, Path.GetExtension(file.FileName));
if (useIdFolder == true)
{
if (keepName == true)
{
fileName = Path.Combine(idNameString, file.FileName);
}
else
{
var randomName = string.Concat(Guid.NewGuid().ToString().Replace("-", "_"), Path.GetExtension(file.FileName));
fileName = Path.Combine(idNameString, randomName);
}
}
var resTypeEnum = (Enum)Enum.Parse(typeof(T), resType.ToString());
if (resTypeEnum.IsDefined <ResSplitByMonthAttribute>() == true)
{
fileName = Path.Combine(DateTime.Now.ToString("yyyy_MM"), fileName);
}
string fullFileName = Path.Combine(ResManage.RootFullPath, resType.ToString(), fileName);
string fullPath = Path.GetDirectoryName(fullFileName);
Directory.CreateDirectory(fullPath);
file.SaveAs(fullFileName);
return(ResManage.Parse(fileName, resType));
}
