/// <summary>释放文件夹</summary>
/// <param name="asm"></param>
/// <param name="prefix"></param>
/// <param name="dest"></param>
/// <param name="overWrite"></param>
/// <param name="filenameResolver"></param>
public static void ReleaseFolder(this Assembly asm, String prefix, String dest, Boolean overWrite = false, Func <String, String> filenameResolver = null)
{
if (asm == null)
{
asm = Assembly.GetCallingAssembly();
}
// 找到符合条件的资源
var names = asm.GetManifestResourceNames();
if (names == null || names.Length < 1)
{
return;
}
IEnumerable <String> ns = null;
if (prefix.IsNullOrWhiteSpace())
{
ns = names.AsEnumerable();
}
else
{
ns = names.Where(e => e.StartsWithIgnoreCase(prefix));
}
if (String.IsNullOrEmpty(dest))
{
dest = ".".GetFullPath();
}
dest = dest.GetFullPath();
// 开始处理
foreach (var item in ns)
{
var stream = asm.GetManifestResourceStream(item);
// 计算filename
String filename = null;
// 去掉前缀
if (filenameResolver != null)
{
filename = filenameResolver(item);
}
if (String.IsNullOrEmpty(filename))
{
filename = item;
if (!String.IsNullOrEmpty(prefix))
{
filename = filename.Substring(prefix.Length);
}
if (filename[0] == '.')
{
filename = filename.Substring(1);
}
var ext = Path.GetExtension(item);
filename = filename.Substring(0, filename.Length - ext.Length);
filename = filename.Replace(".", @"\") + ext;
filename = Path.Combine(dest, filename);
}
if (File.Exists(filename) && !overWrite)
{
return;
}
//var path = Path.GetDirectoryName(filename);
//if (!path.IsNullOrWhiteSpace() && !Directory.Exists(path)) Directory.CreateDirectory(path);
filename.EnsureDirectory(true);
try
{
if (File.Exists(filename))
{
File.Delete(filename);
}
using var fs = File.Create(filename);
IOHelper.CopyTo(stream, fs);
}
catch { }
finally { stream.Dispose(); }
}
}
