/// <summary>
/// 用DI批量注入接口程序集中对应的实现类。
/// </summary>
/// <param name="service"></param>
/// <param name="interfaceAssemblyName">接口程序集的名称（不包含文件扩展名）</param>
/// <param name="implementAssemblyName">实现程序集的名称（不包含文件扩展名）</param>
/// <returns></returns>
public static IServiceCollection RegisterAssembly(this IServiceCollection service, string interfaceAssemblyName, string implementAssemblyName)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (string.IsNullOrEmpty(interfaceAssemblyName))
{
throw new ArgumentNullException(nameof(interfaceAssemblyName));
}
if (string.IsNullOrEmpty(implementAssemblyName))
{
throw new ArgumentNullException(nameof(implementAssemblyName));
}
var interfaceAssembly = RuntimeHelper.GetAssembly(interfaceAssemblyName);
if (interfaceAssembly == null)
{
throw new DllNotFoundException($"the dll \"{interfaceAssemblyName}\" not be found");
}
var implementAssembly = RuntimeHelper.GetAssembly(implementAssemblyName);
if (implementAssembly == null)
{
throw new DllNotFoundException($"the dll \"{implementAssemblyName}\" not be found");
}
//过滤掉非接口及泛型接口
//var types = interfaceAssembly.GetTypes().Where(t => t.GetTypeInfo().IsInterface && !t.GetTypeInfo().IsGenericType);
//过滤掉非接口
var types = interfaceAssembly.GetTypes().Where(t => t.GetTypeInfo().IsInterface);
foreach (var type in types)
{
////过滤掉抽象类、泛型类以及非class
//var implementType = implementAssembly.DefinedTypes
// .FirstOrDefault(t => t.IsClass && !t.IsAbstract &&!t.GetTypeInfo()
// t.GetInterfaces().Any(b => b.Name == type.Name));
//过滤掉抽象类以及非class
var implementType = implementAssembly.DefinedTypes
.FirstOrDefault(t => t.IsClass && !t.IsAbstract &&
t.GetInterfaces().Any(b => b.Name == type.Name));
if (implementType != null)
{
service.AddSingleton(type, implementType.AsType());
}
}
return(service);
}
