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        {
            if (string.IsNullOrEmpty(source) | string.IsNullOrEmpty(destination))
            {
                throw new ArgumentNullException("´«ÈëµÄĿ¼²»´æÔÚ");
            }
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            {
                if (IsDirectory(destination))
                {
                    var currentFiles = Directory.GetFiles(source);
                    if (currentFiles.Length > 0)
                    {
                        foreach (var sourceFile in currentFiles)
                        {
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