private byte[] Decorate <T>(byte[] workbookBytes, ExportOption <T> exportOption)
where T : class, new()
{
DecoratorContext context = new DecoratorContext()
{
TypeDecoratorInfo = TypeDecoratorInfoFactory.CreateInstance(typeof(T))
};
GetDecorators <T>().ForEach(d =>
{
workbookBytes = d.Decorate(workbookBytes, exportOption, context, _excelExportProvider);
});
return(workbookBytes);
}
/// <summary>
/// 获取所有的装饰器
/// </summary>
/// <returns></returns>
private static List <IDecorator> GetDecorators <T>()
where T : class, new()
{
List <IDecorator> decorators = new List <IDecorator>();
List <BaseDecorateAttribute> attrs = new List <BaseDecorateAttribute>();
TypeDecoratorInfo typeDecoratorInfo = TypeDecoratorInfoFactory.CreateInstance(typeof(T));
attrs.AddRange(typeDecoratorInfo.TypeDecoratorAttrs);
typeDecoratorInfo.PropertyDecoratorInfos.ForEach(a => attrs.AddRange(a.DecoratorAttrs));
attrs.Distinct(new DecoratorAttributeComparer()).ToList().ForEach
(a =>
{
var decorator = DecoratorFactory.CreateInstance(a.GetType());
if (decorator != null)
{
decorators.Add(decorator);
}
});
return(decorators);
}
