c# 依赖注入Export ImportMany

1、导出所有的程序集并且实例化

private void Compose()
{
var catalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());//反射
CompositionContainer container = new CompositionContainer(catalog);
container.ComposeParts(this);
}

2、导出指定文件夹里面的DLL，并且实例化

private void Compose()
{
var catalog = new DirectoryCatalog("Cards");
var container = new CompositionContainer(catalog);
container.ComposeParts(this);
}