namespace HStation.Service.Assets
{
    /// <summary>
    /// 
    /// </summary>
    public class KeyWordHelper
    {

        //分割字符
        private const char _split = ',';

        /// <summary>
        /// 转化为字符串
        /// </summary>
        public static string ToString(IEnumerable<string> list)
        {
            if (list == null || list.Count() < 1)
            {
                return string.Empty;
            }
            return string.Join(_split.ToString(), list.Select(x => x.Trim()));
        }

        /// <summary>
        /// 转化为列表
        /// </summary>
        public static List<string> ToList(string str)
        {
            if (string.IsNullOrEmpty(str))
            {
                return new List<string>();
            }
            return str.Split(_split, StringSplitOptions.RemoveEmptyEntries).Select(x => x.Trim()).ToList();
        }

    }
}