using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IStation.Untity
{
    /// <summary>
    /// 标签列表辅助类
    /// </summary>
    public class FlagsHelper
    {
        /// <summary>
        /// 分隔符
        /// </summary>
        public const string Separator = ",";

        /// <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(Separator, list);
        }

        /// <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(new string[] { Separator }, StringSplitOptions.RemoveEmptyEntries).ToList();
        }


    }
}