/// <summary>
/// 过滤文件名
/// </summary>
private static string FilterFileName(string fileName)
{
fileName = Regex.Replace(fileName, "\\W", "");
return(String.PinYin(fileName));
}
/// <summary>
/// 转换为用分隔符连接的字符串
/// </summary>
/// <typeparam name="T">集合元素类型</typeparam>
/// <param name="list">集合</param>
/// <param name="quotes">引号，默认不带引号，范例：单引号 "'"</param>
/// <param name="separator">分隔符，默认使用逗号分隔</param>
public static string Join <T>(this IEnumerable <T> list, string quotes = "", string separator = ",")
{
return(String.Join(list, quotes, separator));
}