znyc.cloudcar/Znyc.CloudCar.Utility/Extensions/ObjectExtensions.cs

namespace Znyc.CloudCar.Utility.Extensions
{
    /// <summary>
    /// 扩展数据
    /// </summary>
    public static class ObjectExtensions
    {
        /// <summary>
        ///     判断字符串是否为Null、空
        /// </summary>
        /// <param name="s"></param>
        /// <returns></returns>
        public static bool IsNull(this string s)
        {
            return string.IsNullOrWhiteSpace(s);
        }

        /// <summary>
        ///     判断字符串是否不为Null、空
        /// </summary>
        /// <param name="s"></param>
        /// <returns></returns>
        public static bool NotNull(this string s)
        {
            return !string.IsNullOrWhiteSpace(s);
        }


        /// <summary>
        /// 数据转换为int类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <returns></returns>
        public static int ObjectToInt(this object thisValue)
        {
            int result = 0;
            if (thisValue == null)
                return 0;
            return thisValue != null && thisValue != DBNull.Value && int.TryParse(thisValue.ToString(), out result) ? result : result;
        }

        /// <summary>
        /// 数据转换为int类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <param name="errorValue"></param>
        /// <returns></returns>
        public static int ObjectToInt(this object thisValue, int errorValue)
        {
            int result = 0;
            return thisValue != null && thisValue != DBNull.Value && int.TryParse(thisValue.ToString(), out result) ? result : errorValue;
        }

        /// <summary>
        /// 数据转换为Long类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <returns></returns>
        public static long ObjectToLong(this object thisValue)
        {
            long result = 0;
            if (thisValue == null)
                return 0;
            return thisValue != null && thisValue != DBNull.Value && long.TryParse(thisValue.ToString(), out result) ? result : result;
        }

        /// <summary>
        /// 数据转换为Double类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <returns></returns>
        public static double ObjectToDouble(this object thisValue)
        {
            double result = 0.0;
            return thisValue != null && thisValue != DBNull.Value && double.TryParse(thisValue.ToString(), out result) ? result : 0.0;
        }

        /// <summary>
        /// 数据转换为Double类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <param name="errorValue"></param>
        /// <returns></returns>
        public static double ObjectToDouble(this object thisValue, double errorValue)
        {
            double result = 0.0;
            return thisValue != null && thisValue != DBNull.Value && double.TryParse(thisValue.ToString(), out result) ? result : errorValue;
        }

        /// <summary>
        /// 数据转换为Float类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <returns></returns>
        public static float ObjectToFloat(this object thisValue)
        {
            float result = 0;
            return thisValue != null && thisValue != DBNull.Value && float.TryParse(thisValue.ToString(), out result) ? result : 0;
        }

        /// <summary>
        /// 数据转换为Float类型                                                                                                                                                       
        /// </summary>
        /// <param name="thisValue"></param>
        /// <param name="errorValue"></param>
        /// <returns></returns>
        public static float ObjectToFloat(this object thisValue, float errorValue)
        {
            float result = 0;
            return thisValue != null && thisValue != DBNull.Value && float.TryParse(thisValue.ToString(), out result) ? result : errorValue;
        }

        /// <summary>
        /// 数据转换为String类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <returns></returns>
        public static string ObjectToString(this object thisValue)
        {

            return thisValue != null ? thisValue.ToString().Trim() : "";

        }

        /// <summary>
        /// 数据转换为String类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <param name="errorValue"></param>
        /// <returns></returns>
        public static string ObjectToString(this object thisValue, string errorValue)
        {
            return thisValue != null ? thisValue.ToString().Trim() : errorValue;
        }

        /// <summary>
        /// 数据转换为Decimal类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <returns></returns>
        public static decimal ObjectToDecimal(this object thisValue)
        {
            decimal result = new decimal();
            return thisValue != null && thisValue != DBNull.Value && decimal.TryParse(thisValue.ToString(), out result) ? result : decimal.Zero;
        }

        /// <summary>
        /// 数据转换为Decimal类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <param name="errorValue"></param>
        /// <returns></returns>
        public static decimal ObjectToDecimal(this object thisValue, decimal errorValue)
        {
            decimal result = new decimal();
            return thisValue != null && thisValue != DBNull.Value && decimal.TryParse(thisValue.ToString(), out result) ? result : errorValue;
        }

        /// <summary>
        /// 数据转换为DateTime类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <returns></returns>
        public static DateTime ObjectToDate(this object thisValue)
        {
            DateTime result = DateTime.MinValue;
            if (thisValue != null && thisValue != DBNull.Value && DateTime.TryParse(thisValue.ToString(), out result))
                result = Convert.ToDateTime(thisValue);
            return result;
        }

        /// <summary>
        /// 数据转换为DateTime类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <param name="errorValue"></param>
        /// <returns></returns>
        public static DateTime ObjectToDate(this object thisValue, DateTime errorValue)
        {
            DateTime result = DateTime.MinValue;
            return thisValue != null && thisValue != DBNull.Value && DateTime.TryParse(thisValue.ToString(), out result) ? result : errorValue;
        }

        /// <summary>
        /// 数据转换为bool类型
        /// </summary>
        /// <param name="thisValue"></param>
        /// <returns></returns>
        public static bool ObjectToBool(this object thisValue)
        {
            bool result = false;
            return thisValue != null && thisValue != DBNull.Value && bool.TryParse(thisValue.ToString(), out result) ? result : result;
        }

        /// <summary>
        ///     判断对象是否为空
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static bool IsNull(this object obj)
        {
            return obj == null;
        }

        /// <summary>
        ///     判断对象是否不为空
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static bool IsNotNull(this object obj)
        {
            return obj != null;
        }
    }
}