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

namespace SiwiFms.Helper
{
    public static class ListStringExtensin
    {
        /// <summary>
        /// 转换为逗号隔开的字符串
        /// </summary>
        /// <param name="list"></param>
        /// <returns></returns>
        public static string ToArrayString(this List<string> list,string jg = ",")
        {
            if (list.Count == 0) return "";
            string returnstr = "";
            foreach (string str in list)
            {
                if (str == null||string.IsNullOrWhiteSpace(str)) continue;
                returnstr += (str + jg);
            }
            if (returnstr.Length == 0)
            {
                return returnstr;
            }
            else
            {
                return returnstr.Substring(0, returnstr.Length - jg.Length);
            }
        }

        public static object[] ToArrayObject(this List<string> list) {
            object[] objs = new object[] { };
            if (list.Count == 0) return objs;
            return list.ToArray();
        }
    }
}