标签：Web assembly string service interfaceAssemblyName Api var new net5
方式一：自定义NuGet包：
Microsoft.Extensions.DependencyModel Microsoft.Extensions.Options
XXX.Common项目下新建文件夹【DependencyInjection】
新建类：RuntimeHelper、ServiceExtension
using Microsoft.Extensions.DependencyModel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Runtime.Loader;
namespace NetFive.Common.DependencyInjection
{
public class RuntimeHelper
{
/// <summary>
/// 获取项目程序集，排除所有的系统程序集(Microsoft.***、System.***等)、Nuget下载包
/// </summary>
/// <returns></returns>
public static IList<Assembly> GetAllAssemblies()
{
var list = new List<Assembly>();
var deps = DependencyContext.Default;
var libs = deps.CompileLibraries.Where(lib => !lib.Serviceable && lib.Type != "package");//排除所有的系统程序集、Nuget下载包
foreach (var lib in libs)
{
try
{
var assembly = AssemblyLoadContext.Default.LoadFromAssemblyName(new AssemblyName(lib.Name));
list.Add(assembly);
}
catch (Exception)
{
}
}
return list;
}
public static Assembly GetAssembly(string assemblyName)
{
return GetAllAssemblies().FirstOrDefault(assembly => assembly.FullName.Contains(assemblyName));
}
public static IList<Type> GetAllTypes()
{
var list = new List<Type>();
foreach (var assembly in GetAllAssemblies())
{
var typeInfos = assembly.DefinedTypes;
foreach (var typeInfo in typeInfos)
{
list.Add(typeInfo.AsType());
}
}
return list;
}
public static IList<Type> GetTypesByAssembly(string assemblyName)
{
var list = new List<Type>();
var assembly = AssemblyLoadContext.Default.LoadFromAssemblyName(new AssemblyName(assemblyName));
var typeInfos = assembly.DefinedTypes;
foreach (var typeInfo in typeInfos)
{
list.Add(typeInfo.AsType());
}
return list;
}
public static Type GetImplementType(string typeName, Type baseInterfaceType)
{
return GetAllTypes().FirstOrDefault(t =>
{
if (t.Name == typeName &&
t.GetTypeInfo().GetInterfaces().Any(b => b.Name == baseInterfaceType.Name))
{
var typeInfo = t.GetTypeInfo();
return typeInfo.IsClass && !typeInfo.IsAbstract;
}
return false;
});
}
}
}
using Microsoft.Extensions.DependencyInjection;
using System;
using System.Linq;
using System.Reflection;
namespace NetFive.Common.DependencyInjection
{
/// <summary>
/// IServiceCollection扩展
/// </summary>
public static class ServiceExtension
{
/// <summary>
/// 注册服务
/// </summary>
/// <param name="services"></param>
/// <param name="interfaceAssemblyName">定义业务接口的程序集名称</param>
/// <param name="implementAssemblyName">实现业务接口的程序集名称(默认 interfaceAssemblyName)</param>
public static void RegisterService(this IServiceCollection service, string interfaceAssemblyName, string implementAssemblyName)
{
if (string.IsNullOrEmpty(implementAssemblyName))
{
RegisterAssembly(service, interfaceAssemblyName);
}
else
{
RegisterAssembly(service, interfaceAssemblyName, implementAssemblyName);
}
}
/// <summary>
/// 批量注入接口程序集中对应的实现类。
/// <para>
/// 需要注意的是，这里有如下约定：
/// IUserService --> UserService, IUserRepository --> UserRepository.
/// </para>
/// </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>
/// <returns></returns>
internal static IServiceCollection RegisterAssembly(this IServiceCollection service, string interfaceAssemblyName)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (string.IsNullOrEmpty(interfaceAssemblyName))
{
throw new ArgumentNullException(nameof(interfaceAssemblyName));
}
var assembly = RuntimeHelper.GetAssembly(interfaceAssemblyName);
if (assembly == null)
{
throw new DllNotFoundException($"the dll \"{interfaceAssemblyName}\" not be found");
}
//过滤掉非接口及泛型接口
var types = assembly.GetTypes().Where(t => t.GetTypeInfo().IsInterface);
foreach (var type in types)
{
var implementTypeName = type.Name.Substring(1);
var implementType = RuntimeHelper.GetImplementType(implementTypeName, type);
if (implementType != null)
service.AddScoped(type, implementType);
}
return service;
}
/// <summary>
/// 用DI批量注入接口程序集中对应的实现类。
/// </summary>
/// <param name="service"></param>
/// <param name="interfaceAssemblyName">接口程序集的名称（不包含文件扩展名）</param>
/// <param name="implementAssemblyName">实现程序集的名称（不包含文件扩展名）</param>
/// <returns></returns>
internal static IServiceCollection RegisterAssembly(this IServiceCollection service, string interfaceAssemblyName, string implementAssemblyName)
{
if (service == null)
throw new ArgumentNullException(nameof(service));
if (string.IsNullOrEmpty(interfaceAssemblyName))
throw new ArgumentNullException(nameof(interfaceAssemblyName));
if (string.IsNullOrEmpty(implementAssemblyName))
throw new ArgumentNullException(nameof(implementAssemblyName));
var interfaceAssembly = RuntimeHelper.GetAssembly(interfaceAssemblyName);
if (interfaceAssembly == null)
{
throw new DllNotFoundException($"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);
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.GetInterfaces().Any(b => b.Name == type.Name));
if (implementType != null)
{
service.AddScoped(type, implementType.AsType());
}
}
return service;
}
}
}
Startup注册：
#region IOC依赖注入自定义
services.RegisterService("NetFive.Repository", string.Empty);
services.RegisterService("NetFive.Command", string.Empty);
services.RegisterService("NetFive.Query", string.Empty);
services.RegisterService("NetFive.Service", string.Empty);
#endregion
方式二：Autofac
标签：Web,assembly,string,service,interfaceAssemblyName,Api,var,new,net5 来源： https://www.cnblogs.com/gygtech/p/14491364.html
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