148 lines
4.5 KiB
C#
148 lines
4.5 KiB
C#
using CYQ.Data.Json;
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using CYQ.Data.SQL;
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using CYQ.Data.Table;
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using System;
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Data.SqlTypes;
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using System.IO;
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using System.Reflection;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Text;
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using System.Web;
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namespace CYQ.Data.Tool
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{
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/// <summary>
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/// 类型转换（支持json转实体）
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/// </summary>
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public static partial class ConvertTool
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{
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internal static object ToByte(object value)
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{
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if (value is byte) { return value; }
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if (value is Enum) { return (byte)(int)value; }
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if (value != null)
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{
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byte result = 0;
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string strValue = Convert.ToString(value);
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if (byte.TryParse(strValue, out result))
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{
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return result;
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}
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}
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return 0;
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}
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internal static object ToInt16(object value)
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{
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if (value is short) { return value; }
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if (value is Enum) { return (short)(int)value; }
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if (value != null)
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{
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short result = 0;
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string strValue = Convert.ToString(value).Split('.')[0];
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if (short.TryParse(strValue, out result))
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{
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return result;
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}
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}
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return 0;
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}
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internal static object ToInt32(object value)
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{
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if (value is int) { return value; }
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if (value is Enum) { return (int)value; }
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if (value != null)
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{
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int result = 0;
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string strValue = Convert.ToString(value).Split('.')[0];
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if (int.TryParse(strValue, out result))
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{
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return result;
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}
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}
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return 0;
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}
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internal static object ToInt64(object value)
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{
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if (value is long) { return value; }
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if (value is Enum) { return (long)(int)value; }
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if (value != null)
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{
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long result = 0;
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string strValue = Convert.ToString(value).Split('.')[0];
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if (long.TryParse(strValue, out result))
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{
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return result;
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}
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}
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return 0;
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}
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internal static object ToSingle(object value)
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{
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if (value is float) { return value; }
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if (value is Enum) { return (float)(int)value; }
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if (value != null)
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{
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float result = 0;
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string strValue = Convert.ToString(value);
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if (float.TryParse(strValue, out result))
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{
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return result;
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}
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switch(strValue)
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{
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case "infinity":
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case "正无穷大":
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return float.PositiveInfinity;
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case "-infinity":
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case "负无穷大":
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return float.NegativeInfinity;
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}
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}
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return 0;
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}
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internal static object ToDouble(object value)
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{
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if (value is double) { return value; }
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if (value is Enum) { return (double)(int)value; }
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if (value != null)
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{
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double result = 0;
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string strValue = Convert.ToString(value);
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if (double.TryParse(strValue, out result))
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{
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return result;
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}
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switch (strValue)
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{
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case "infinity":
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case "正无穷大":
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return double.PositiveInfinity;
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case "-infinity":
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case "负无穷大":
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return double.NegativeInfinity;
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}
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}
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return 0;
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}
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internal static object ToDecimal(object value)
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{
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if (value is decimal) { return value; }
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if (value is Enum) { return (decimal)(int)value; }
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if (value != null)
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{
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decimal result = 0;
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string strValue = Convert.ToString(value);
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if (decimal.TryParse(strValue, out result))
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{
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return result;
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}
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}
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return 0;
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}
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}
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}
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