/// <summary>
/// 一些常用的方法
/// 1、一些高效的转换方法
/// </summary>
public class Util
{
#region Object转换为Int32
/// <summary>
/// Object转换为Int32
/// </summary>
/// <param name="o">Object</param>
/// <returns>int 报错也返回0</returns>
public static int ConvertToInt32(object o)
{
try
{
if (o != DBNull.Value && o != null && o.ToString() != String.Empty)
{
if (o is int)
return (int)o;
else if (o is short)
return (int)(short)o;
else if (o is byte)
return (int)(byte)o;
else if (o is long)
return (int)(long)o;
else if (o is double)
return (int)(double)o;
else if (o is float)
return (int)(float)o;
else if (o is decimal)
return (int)(decimal)o;
else if (o is uint)
return (int)(uint)o;
else if (o is ushort)
return (int)(ushort)o;
else if (o is ulong)
return (int)(ulong)o;
else if (o is sbyte)
return (int)(sbyte)o;
else
return int.Parse(o.ToString());
}
else
{
return 0;
}
}
catch
{
return 0;
}
}
#endregion
#region Object 转成 String
/// <summary>
/// Object 转成 String
/// </summary>
/// <param name="o">参数</param>
/// <returns>String</returns>
public static string ConvertToString(object o)
{
try
{
if (o != DBNull.Value && o != null && o.ToString() != String.Empty)
{
return o.ToString();
}
else
{
return "";
}
}
catch
{
return "";
}
}
#endregion
#region Object转换为Decimal
/// <summary>
/// Object转换为Decimal
/// </summary>
/// <param name="o">Object</param>
/// <returns>Decimal</returns>
public static decimal ConvertToDecimal(object o)
{
try
{
if (o != DBNull.Value && o != null && o.ToString() != String.Empty)
{
decimal Num = 0;
decimal.TryParse(o.ToString(), out Num);
return Num;
}
else
{
return 0;
}
}
catch
{
return 0;
}
}
#endregion
#region Object转换为Double
/// <summary>
/// Object转换为Double
/// </summary>
/// <param name="o">Object</param>
/// <returns>Double</returns>
public static double ConvertToDouble(object o)
{
try
{
if (o != DBNull.Value && o != null && o.ToString() != String.Empty)
{
double Num = 0;
double.TryParse(o.ToString(), out Num);
return Num;
}
else
{
return 0;
}
}
catch
{
return 0;
}
}
#endregion
#region Object转换为Float
/// <summary>
/// Object转换为Float
/// </summary>
/// <param name="o">Object</param>
/// <returns>Double</returns>
public static Double ConvertToFloat(object o)
{
try
{
if (o != DBNull.Value && o != null && o.ToString() != String.Empty)
{
float Num = 0;
float.TryParse(o.ToString(), out Num);
return Num;
}
else
{
return 0;
}
}
catch
{
return 0;
}
}
#endregion
}
