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完成插件的服务端和客户端扩展

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FalconFly 2023-12-18 14:35:39 +08:00
parent ed42d18013
commit 5f9dbb238a
5 changed files with 109 additions and 22 deletions
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13
Falcon.SugarApi/Plugin/Client/IServiceCollectionExtend.cs
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@ -3,8 +3,8 @@ using Microsoft.AspNetCore.Mvc.ApplicationParts;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
namespace Falcon.SugarApi.Plugin.Client
{
@ -17,14 +17,15 @@ namespace Falcon.SugarApi.Plugin.Client
/// 注册当前程序集中的控制器
/// </summary>
/// <param name="services">服务集合</param>
/// <param name="assembly">要注册的程序集</param>
/// <returns>服务集合</returns>
public static IServiceCollection AddPluginsController(this IServiceCollection services) {
var pluginAssembly = Assembly.GetExecutingAssembly();
var part = new AssemblyPart(pluginAssembly);
public static IServiceCollection AddPluginsController(this IServiceCollection services,Assembly assembly) {
var part = new AssemblyPart(assembly);
services.AddControllers().ConfigureApplicationPartManager(apm => {
if(!apm.ApplicationParts.Contains(part)) {
apm.ApplicationParts.Add(part);
if(apm.ApplicationParts.Any(a => a.Name == part.Name)) {
return;
}
apm.ApplicationParts.Add(part);
});
return services;
}

28
Falcon.SugarApi/Plugin/Client/Readme.md
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@ -1 +1,29 @@
## 插件客户端方法
在插件程序集中实现IServicePlugin接口，并在AddServices方法中注册插件相关服务。
~~~c#
/// <summary>
/// 实现组件注册类
/// </summary>
public class ServicePiugin:IServicePlugin
{
/// <summary>
/// 添加组件服务
/// </summary>
/// <param name="services">服务集合</param>
/// <param name="configuration">配置参数</param>
/// <returns>服务集合</returns>
public IServiceCollection AddServices(IServiceCollection services,IConfiguration configuration) {
//检查是否配置组件配置
if(!configuration.GetSection("baseevent").Exists()) {
return services;
}
//注册本程序集中的组件控制器
services.AddPluginsController(this.GetType().Assembly);
//返回服务集合
return services;
}
}
~~~

13
Falcon.SugarApi/Plugin/Readme.md
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@ -8,13 +8,8 @@
### 实现方式
1. 业务模块：实现IServicePiugin接口实现插件模块注册。
1.1 注册控制器Controller。（未找到注册方法）
1.2 注册后台任务BackGroundTask，可以实现，注册到服务集合内。
1.3 注册配置Options及其他相关类。
2. 工具模块：位于Falcon.SugarApi.Plugin内。
2.1 定义IServicePiugin接口。
2.2 定义FindPluginService相关方法用于发现业务模块的IServicePiugin实现。
3. WebAPI模块：主网站，调用FindPluginService相关方法注册业务插件，负责其他模块的创建和注册。
1.1 通过services.AddPluginsController注册控制器。
1.2 后台任务实现BackGroundTask，通过services.AddHostedService注册到服务集合内。
2. WebAPI模块：主网站通过services.AddPluginService方法注册组件。
### 目前主要问题
1. 无法在业务模块内注册Controller，不起作用。

54
Falcon.SugarApi/Plugin/Service/IServiceCollectionExtend.cs
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@ -1,11 +1,14 @@
using Microsoft.AspNetCore.Mvc.ApplicationParts;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.FileProviders;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
using System.Text;
using System.Threading.Tasks;
@ -29,9 +32,45 @@ namespace Falcon.SugarApi.Plugin.Service
if(name == null) {
return services;
}
foreach(var pluginName in pluginNames) {
var pa = AssemblyLoadHelp.ALCLoad(pluginName);
foreach(Type type in pa.GetTypes()) {
List<Assembly> plugin = new();
var basePath = AppDomain.CurrentDomain.BaseDirectory;
var pluginPath = @"plugin";
foreach(var pn in pluginNames) {
var pf = pn.EndsWith(".dll") ? pn : pn + ".dll";
pf = Path.IsPathRooted(pf) ? pf : Path.Combine(basePath,pluginPath,pf);
if(!File.Exists(pf)) {
pf = Path.IsPathRooted(pn) ? pf : Path.Combine(basePath,pn);
pf = pf.EndsWith(".dll") ? pf : pf + ".dll";
}
if(!File.Exists(pf)) {
throw new FileNotFoundException(pf);
}
var pa = AssemblyLoadHelp.ALCLoad(pf);
if(pa != null) {
plugin.Add(pa);
}
}
services.AddPluginService(config,plugin.ToArray());
return services;
}
/// <summary>
/// 注册插件。
/// <para>查找插件中的IServicePlugin实现，并运行其中的AddServices方法注册和初始化插件</para>
/// </summary>
/// <param name="services">服务集合</param>
/// <param name="config">应用程序配置</param>
/// <param name="plugins">插件程序集数组</param>
/// <returns>服务集合</returns>
public static IServiceCollection AddPluginService(this IServiceCollection services,IConfiguration config,params Assembly[] plugins) {
var name = typeof(IServicePlugin).FullName;
if(name == null) {
return services;
}
foreach(Assembly ass in plugins) {
foreach(Type type in ass.GetTypes()) {
if(type == null || !type.IsPublic || type.GetInterface(name) == null) {
continue;
}
@ -39,12 +78,17 @@ namespace Falcon.SugarApi.Plugin.Service
if(tname == null) {
continue;
}
if(type.Assembly.CreateInstance(tname) is not IServicePlugin obj) {
continue;
}
obj.AddServices(services,config);
try {
obj.AddServices(services,config);
}
catch(Exception ex) {
throw new Exception($"注册插件{type.FullName}.IServicePlugin.AddServices]方法时发生异常。",ex);
}
}
}
return services;
}

19
Falcon.SugarApi/Plugin/Service/Readme.md
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@ -1 +1,20 @@
## 服务端调用方法
直接调用以下方法注册组件，提供组件名称，组件必须位于应用程序根目录或plugin目录内。
~~~c#
/// <summary>
/// 注册插件服务
/// </summary>
/// <param name="services">服务集合</param>
/// <param name="configuration">应用程序配置</param>
private void AddPlugins(IServiceCollection services,IConfiguration configuration) {
try {
services.AddPluginService(configuration,"His.Service.BaseEvent");
}
catch(Exception ex) {
throw new Exception("注册组件时发生异常",ex);
}
}
~~~