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

namespace Commom.Utility
{
    public static class Utility
    {
        /// <summary>
        /// 字符串添加单引号
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string AddQuotes(this string str) 
        {
            if (str == null) 
            {
                str = "";
            }
            str = str.Replace("'", "''");
            return "'" + str + "'";
        }
    }
}