/// <summary>
/// 向属性填充值（强制使用指定的类型）
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="entity"></param>
/// <param name="prop"></param>
/// <param name="value"></param>
/// <param name="specialType"></param>
public static void FillSystemType <T>(T entity, PropertyInfo prop, IConvertible value, Type specialType)
{
object setValue = null;
if (value.GetType() != specialType)
{
switch (specialType.Name)
{
case "Boolean":
setValue = value.ConvertTo <bool>();
break;
case "DateTime":
setValue = DateTimeHelper.GetDateTimeFromXml(value.ToString());
break;
case "Int32":
setValue = value.ConvertTo <int>();
break;
case "Int64":
setValue = value.ConvertTo <long>();
break;
case "Double":
setValue = value.ConvertTo <double>();
break;
case "String":
setValue = value.ToString(CultureInfo.InvariantCulture);
break;
default:
setValue = value;
break;
}
}
switch (specialType.Name)
{
case "Nullable`1": //可为空对象
{
if (!string.IsNullOrEmpty(value as string))
{
var genericArguments = prop.PropertyType.GetGenericArguments();
FillSystemType(entity, prop, value, genericArguments[0]);
}
else
{
prop.SetValue(entity, null, null); //默认通常为null
}
break;
}
//case "String":
// goto default;
//case "Boolean":
//case "DateTime":
//case "Int32":
//case "Int64":
//case "Double":
default:
prop.SetValue(entity, setValue ?? value, null);
break;
}
}
public static T ConvertTo <T>(this IConvertible convertibleValue)
{
return(convertibleValue.ConvertTo <T>(default(T)));
}