ConvertHelper.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace NCC.Code
{
/// <summary>
/// 强制转化辅助类(无异常抛出)
/// </summary>
public static class ConvertHelper
{
#region 强制转化
/// <summary>
/// object转化为Bool类型
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static bool ObjToBool(this object obj)
{
bool flag;
if (obj == null)
{
return false;
}
if (obj.Equals(DBNull.Value))
{
return false;
}
return (bool.TryParse(obj.ToString(), out flag) && flag);
}
/// <summary>
/// object强制转化为DateTime类型(吃掉异常)
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static DateTime? ObjToDateNull(this object obj)
{
if (obj == null)
{
return null;
}
try
{
return new DateTime?(Convert.ToDateTime(obj));
}
catch (ArgumentNullException ex)
{
return null;
}
}
/// <summary>
/// int强制转化
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static int ObjToInt(this object obj)
{
try
{
if (obj != null)
{
int num;
if (obj.Equals(DBNull.Value))
{
return 0;
}
if (int.TryParse(obj.ToString(), out num))
{
return num;
}
}
}
catch (Exception)
{
}
return 0;
}
/// <summary>
/// 强制转化为long
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static long ObjToLong(this object obj)
{
if (obj != null)
{
long num;
if (obj.Equals(DBNull.Value))
{
return 0;
}
if (long.TryParse(obj.ToString(), out num))
{
return num;
}
}
return 0;
}
/// <summary>
/// 强制转化可空int类型
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static int? ObjToIntNull(this object obj)
{
if (obj == null)
{
return null;
}
if (obj.Equals(DBNull.Value))
{
return null;
}
return new int?(ObjToInt(obj));
}
/// <summary>
/// 强制转化为string
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static string ObjToStr(this object obj)
{
if (obj == null)
{
return "";
}
if (obj.Equals(DBNull.Value))
{
return "";
}
return Convert.ToString(obj);
}
/// <summary>
/// Decimal转化
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static decimal ObjToDecimal(this object obj)
{
if (obj == null)
{
return 0M;
}
if (obj.Equals(DBNull.Value))
{
return 0M;
}
try
{
return Convert.ToDecimal(obj);
}
catch
{
return 0M;
}
}
/// <summary>
/// Decimal可空类型转化
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static decimal? ObjToDecimalNull(this object obj)
{
if (obj == null)
{
return null;
}
if (obj.Equals(DBNull.Value))
{
return null;
}
return new decimal?(ObjToDecimal(obj));
}
/// <summary>
/// 获取时间对应的周（中文）
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static string DateTimeToWeekCN(this DateTime obj)
{
if (obj == null)
{
return null;
}
try
{
string[] Day = new string[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
string week = Day[Convert.ToInt32(DateTime.Now.DayOfWeek.ToString("d"))].ToString();
return week;
}
catch (Exception)
{
return "未知";
}
}
#endregion
}
}