/****************************************************************
*   作者：liuzl
*   版权：PCXBC
*   创建时间：2022/7/29 15:44:41
*   描述说明：
*
*   修改标识：PC-2022
*   修改描述:
*
*****************************************************************/

using System;

namespace TianShengTool
{
    public static class Common
    {
        /// <summary>
        /// 转换为整型
        /// </summary>
        /// <param name="data">数据</param>
        public static int ToInt(this object data)
        {
            if (data == null)
                return 0;
            int result;
            var success = int.TryParse(data.ToString(), out result);
            if (success)
                return result;
            try
            {
                return Convert.ToInt32(ToDouble(data, 0));
            }
            catch (Exception)
            {
                return 0;
            }
        }

        /// <summary>
        /// 转换为双精度浮点数,并按指定的小数位4舍5入
        /// </summary>
        /// <param name="data">数据</param>
        /// <param name="digits">小数位数</param>
        public static double ToDouble(this object data, int digits)
        {
            var result = ToDouble(data);
            string numToString = result.ToString();
            int index = numToString.IndexOf(".");
            int length = numToString.Length;
            if (index != -1)
            {
                numToString = string.Format("{0}.{1}",
                    numToString.Substring(0, index),
                    numToString.Substring(index + 1, Math.Min(length - index - 1, digits)));
            }
            return ToDouble(numToString);
        }

        /// <summary>
        /// 转换为双精度浮点数
        /// </summary>
        /// <param name="data">数据</param>
        public static double ToDouble(this object data)
        {
            if (data == null)
                return 0;
            double result;
            return double.TryParse(data.ToString(), out result) ? result : 0;
        }
    }
}