using System;
using System.Collections.Generic;
using System.Text;
using System.Text.Regularexpressions;
namespace TypeClass
{
public class TypeParse
{
///
/// 判断对象是否为Int32类型的数字
///
///
///
public static bool IsNumeric(object expression)
{
if (expression != null)
{
int intVal;
return int.TryParse(expression.ToString(), out intVal);
}
return false;
}
public static bool IsDouble(object expression)
{
if (expression != null)
{
double doubleval;
return double.TryParse(expression.ToString(), out doubleval);
}
return false;
}
///
/// string型转换为bool型
///
/// 要转换的字符串
/// 缺省值
///
public static bool StrToBool(object expression, bool defValue)
{
if (expression != null)
{
bool boolValue;
if (bool.TryParse(expression.ToString(), out boolValue))
return boolValue;
else
return defValue;
}
return defValue;
}
///
/// 将对象转换为Int32类型
///
/// 要转换的字符串
/// 缺省值
///
public static int StrToInt(object expression, int defValue)
{
if (expression != null)
{
int intValue;
if (int.TryParse(expression.ToString(), out intValue))
return intValue;
else
return defValue;
}
return defValue;
}
///
/// string型转换为float型
///
/// 要转换的字符串
/// 缺省值
///
public static float StrToFloat(object strValue, float defValue)
{
if (strValue != null)
{
float floatValue;
if (float.TryParse(strValue.ToString(), out floatValue))
return floatValue;
else
return defValue;
}
return defValue;
}
///
/// string型转换为Decimal型
///
/// 要转换的字符串
/// 缺省值
///
public static Decimal StrToDecimal(object strValue, Decimal defValue)
{
if (strValue != null)
{
Decimal decimalValue;
if (Decimal.TryParse(strValue.ToString(), out decimalValue))
return Math.Round(decimalValue,2);
else
return defValue;
}
return defValue;
}
///
/// string型转换为datetime型
///
/// 要转换的字符串
/// 缺省值
///
public static DateTime StrToDateTime(object strValue, DateTime defValue)
{
if (strValue != null)
{
DateTime DateTimevalue;
if (DateTime.TryParse(strValue.ToString(), out DateTimevalue))
return DateTimevalue;
else
return defValue;
}
return defValue;
}
///
/// 判断给定的字符串数组(strNumber)中的数据是不是都为数值型
///
/// 要确认的字符串数组
///
public static bool IsNumericArray(string[] strNumber)
{
if (strNumber == null)
{
return false;
}
if (strNumber.Length < 1)
{
return false;
}
foreach (string id in strNumber)
{
if (!IsNumeric(id))
{
return false;
}
}
return true;
}
}
}



