public static bool GetValue(ref object value, PropertyInfo propertyInfo, string DataControlName)
{
if (propertyInfo.PropertyType == typeof(int))
{
value = TryParse.StrToInt(value, 0);
}
else if (propertyInfo.PropertyType == typeof(decimal))
{
value = TryParse.StrToDecimal(value, 0);
}
else if (propertyInfo.PropertyType == typeof(float))
{
value = TryParse.StrToFloat(value, 0);
}
else if (propertyInfo.PropertyType == typeof(DateTime))
{
value = TryParse.StrToDate(value, DateTime.MinValue);
}
else if (propertyInfo.PropertyType == typeof(string))
{
value = TryParse.ToString(value, string.Empty);
object[] EntityBaseAttr = propertyInfo.GetCustomAttributes(typeof(EntityBaseAttribute), false);
if (EntityBaseAttr != null && EntityBaseAttr.Length > 0)
{
int maxLength = ((EntityBaseAttribute)EntityBaseAttr[0]).MaxLength;
if (value.ToString().Length > maxLength)
{
MessageBoxHelper.ShowError(DataControlName + "超出最大长度" + maxLength);
return(false);
}
}
}
return(true);
}
/// <summary>
/// 取两数相减结果
/// </summary>
/// <param name="val1"></param>
/// <param name="val2"></param>
/// <param name="defValue"></param>
/// <returns></returns>
public static decimal NumberMinus(object val1, object val2, decimal defValue)
{
decimal value = TryParse.StrToDecimal(val1) - TryParse.StrToDecimal(val2);
if (value < 0m)
{
return(defValue);
}
return(value);
}
/// <summary>
/// 取两数相除结果,除数为0返回0
/// </summary>
/// <param name="val1"></param>
/// <param name="val2"></param>
/// <returns></returns>
public static decimal NumberDivide(object val1, object val2)
{
if (TryParse.StrToDecimal(val2) == 0)
{
return(0);
}
decimal value = TryParse.StrToDecimal(val1) / TryParse.StrToDecimal(val2);
return(value);
}
/// <summary>
/// 将对象转换成int类型,转换失败将返回defValue
/// </summary>
/// <param name="Expression"></param>
/// <param name="defValue"></param>
/// <returns></returns>
public static int StrToInt(object Expression, int defValue)
{
if (Expression == null)
{
return(defValue);
}
string input = Expression.ToString().Trim();
if (input.IndexOf(".") != -1)
{
input = TryParse.StrToDecimal(Expression).ToString("f0");
}
if (((input.Length <= 0) || (input.Length > 11)) || !Regex.IsMatch(input, @"^[-]?\d*[.]?\d*$"))
{
return(defValue);
}
if (((input.Length >= 10) && ((input.Length != 10) || (input[0] != '1'))) && (((input.Length != 11) || (input[0] != '-')) || (input[1] != '1')))
{
return(defValue);
}
return(Convert.ToInt32(input));
}
