/// <summary>
/// 生成随机盐值
/// </summary>
/// <param name="n">盐的长度</param>
/// <param name="_chars">自定义随机的类型（默认数字和大小写字母）</param>
/// <returns>盐值</returns>
static public string randomSalt(int n,
string _chars = "0123456789qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM")
{
return(CryptoString.randomString(n, _chars));
}
