namespace Util
{
    public class PublicFunction
    {

        public static decimal NumberFormat(decimal number, int floatCount = 2)
        {
            string str = number.ToString();
            if (str.Contains("."))
            {
                string[] list = str.Split('.');
                if (list[1].Length > floatCount)
                {
                    str = list[0] + "." + list[1].Substring(0, floatCount);
                }
            }
            else
            {
                str += ".00";
            }
            return decimal.Parse(str);
        }


        #region 转换为首字母大写的驼峰格式

        public static string transferName(string name, int startUpperNum = 2)
        {
            if(string.IsNullOrEmpty(name))
            {
                return "";
            }
            string result = "";
            string[] list = name.Trim('_').Split('_');
            if(list.Length == 1)
            {
                if(startUpperNum == 1)
                {
                    return name.Substring(0, 1).ToUpper() + name.Substring(1);
                }
                else if(startUpperNum > 1)
                {
                    return name.Substring(0, 1).ToLower() + name.Substring(1);
                }
                else
                {
                    return name;
                }
            }
            int index = 0;
            foreach(string sub in list)
            {
                index += 1;
                if(index >= startUpperNum)
                {
                    result += sub.Substring(0, 1).ToUpper() + sub.Substring(1).ToLower();
                }
                else
                {
                    result += sub.ToLower();
                }
            }
            if(startUpperNum > 1)
            {
                result = result.Substring(0, 1).ToLower() + result.Substring(1);
            }
            return result;
        }

        #endregion
    
    
    }
}