mirror of
https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-03 00:00:49 +08:00
674 lines
24 KiB
C#
674 lines
24 KiB
C#
using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using Serein.Library.Api;
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using Serein.Library.Utils;
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using System;
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using System.Collections;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using Enum = System.Enum;
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using Type = System.Type;
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namespace Serein.Library.Web
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{
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public interface IRouter
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{
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void AddHandle(Type controllerType);
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Task<bool> ProcessingAsync(HttpListenerContext context);
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}
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public class ApiHandleConfig
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{
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private readonly Delegate EmitDelegate;
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private readonly EmitHelper.EmitMethodType EmitMethodType;
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public enum PostArgType
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{
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None,
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IsUrlData,
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IsBobyData,
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}
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public ApiHandleConfig(MethodInfo methodInfo)
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{
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EmitMethodType = EmitHelper.CreateDynamicMethod(methodInfo, out EmitDelegate);
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var parameterInfos = methodInfo.GetParameters();
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ParameterType = parameterInfos.Select(t => t.ParameterType).ToArray();
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ParameterName = parameterInfos.Select(t => t.Name.ToLower()).ToArray();
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PostArgTypes = parameterInfos.Select(p =>
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{
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bool isUrlData = p.GetCustomAttribute(typeof(UrlAttribute)) != null;
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bool isBobyData = p.GetCustomAttribute(typeof(BobyAttribute)) != null;
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if (isBobyData)
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{
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return PostArgType.IsBobyData;
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}
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else if (isUrlData)
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{
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return PostArgType.IsUrlData;
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}
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else
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{
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return PostArgType.None;
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}
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}).ToArray();
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}
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private readonly PostArgType[] PostArgTypes;
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private readonly string[] ParameterName;
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private readonly Type[] ParameterType;
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public async Task<object> HandleGet(object instance, Dictionary<string, string> routeData)
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{
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object[] args = new object[ParameterType.Length];
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for (int i = 0; i < ParameterType.Length; i++)
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{
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var type = ParameterType[i];
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var argName = ParameterName[i];
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if (routeData.TryGetValue(argName, out var argValue))
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{
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if (type == typeof(string))
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{
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args[i] = argValue;
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}
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else // if (type.IsValueType)
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{
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args[i] = JsonConvert.DeserializeObject(argValue, type);
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}
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}
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else
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{
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args[i] = type.IsValueType ? Activator.CreateInstance(type) : null;
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}
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}
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object result;
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try
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{
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if (EmitMethodType == EmitHelper.EmitMethodType.HasResultTask && EmitDelegate is Func<object, object[], Task<object>> hasResultTask)
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{
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result = await hasResultTask(instance, args);
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}
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else if (EmitMethodType == EmitHelper.EmitMethodType.Task && EmitDelegate is Func<object, object[], Task> task)
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{
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await task.Invoke(instance, args);
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result = null;
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}
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else if (EmitMethodType == EmitHelper.EmitMethodType.Func && EmitDelegate is Func<object, object[], object> func)
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{
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result = func.Invoke(instance, args);
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}
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else
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{
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result = null;
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}
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}
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catch (Exception ex)
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{
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result = null;
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await Console.Out.WriteLineAsync(ex.Message);
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}
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return result;
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}
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public async Task<object> HandlePost(object instance, JObject jsonObject, Dictionary<string, string> routeData)
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{
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object[] args = new object[ParameterType.Length];
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for (int i = 0; i < ParameterType.Length; i++)
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{
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var type = ParameterType[i];
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var argName = ParameterName[i];
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if (PostArgTypes[i] == PostArgType.IsUrlData)
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{
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if (routeData.TryGetValue(argName, out var argValue))
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{
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if (type == typeof(string))
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{
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args[i] = argValue;
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}
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else // if (type.IsValueType)
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{
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args[i] = JsonConvert.DeserializeObject(argValue, type);
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}
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}
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else
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{
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args[i] = type.IsValueType ? Activator.CreateInstance(type) : null;
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}
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}
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else if (PostArgTypes[i] == PostArgType.IsBobyData)
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{
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args[i] = jsonObject;
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}
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else
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{
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var jsonValue = jsonObject.GetValue(argName);
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if (jsonValue is null)
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{
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// 值类型返回默认值，引用类型返回null
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args[i] = type.IsValueType ? Activator.CreateInstance(type) : null;
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}
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else
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{
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args[i] = jsonValue.ToObject(type);
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}
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}
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}
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object result;
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try
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{
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if (EmitMethodType == EmitHelper.EmitMethodType.HasResultTask && EmitDelegate is Func<object, object[], Task<object>> hasResultTask)
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{
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result = await hasResultTask(instance, args);
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}
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else if (EmitMethodType == EmitHelper.EmitMethodType.Task && EmitDelegate is Func<object, object[], Task> task)
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{
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await task.Invoke(instance, args);
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result = null;
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}
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else if (EmitMethodType == EmitHelper.EmitMethodType.Func && EmitDelegate is Func<object, object[], object> func)
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{
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result = func.Invoke(instance, args);
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}
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else
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{
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result = null;
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}
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}
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catch (Exception ex)
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{
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result = null;
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await Console.Out.WriteLineAsync(ex.Message);
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}
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return result;
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}
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}
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/// <summary>
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/// 路由注册与解析
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/// </summary>
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public class Router : IRouter
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{
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private readonly ISereinIOC SereinIOC; // 用于存储路由信息
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/// <summary>
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/// 控制器实例对象的类型，每次调用都会重新实例化，[Url - ControllerType]
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/// </summary>
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private readonly ConcurrentDictionary<string, Type> _controllerTypes = new ConcurrentDictionary<string, Type>();
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/// <summary>
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/// 用于存储路由信息，[GET|POST - [Url - Method]]
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/// </summary>
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//private readonly ConcurrentDictionary<string, ConcurrentDictionary<string, MethodInfo>> _routes = new ConcurrentDictionary<string, ConcurrentDictionary<string, MethodInfo>>();
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private readonly ConcurrentDictionary<string, ConcurrentDictionary<string, ApiHandleConfig>> HandleModels = new ConcurrentDictionary<string, ConcurrentDictionary<string, ApiHandleConfig>>();
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public Router(ISereinIOC SereinIOC)
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{
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this.SereinIOC = SereinIOC;
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foreach (ApiType method in Enum.GetValues(typeof(ApiType))) // 遍历 HTTP 枚举类型的所有值
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{
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HandleModels.TryAdd(method.ToString(), new ConcurrentDictionary<string, ApiHandleConfig>()); // 初始化每种 HTTP 方法对应的路由字典
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}
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#if false
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Type baseAttribute = typeof(AutoHostingAttribute);
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Type baseController = typeof(ControllerBase);
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// 获取当前程序集
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Assembly assembly = Assembly.GetExecutingAssembly();
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// 获取包含“Controller”名称的类型
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var controllerTypes = assembly.GetTypes().Where(type => type.IsSubclassOf(baseController) // 控制器子类
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&& type.IsDefined(baseAttribute) // 包含特性
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&& type.Name.Contains("Controller"));
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foreach (var controllerType in controllerTypes)
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{
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RegisterController(controllerType);
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}
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#endif
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}
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public void AddHandle(Type controllerType)
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{
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if (!controllerType.IsClass || controllerType.IsAbstract) return; // 如果不是类或者是抽象类，则直接返回
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var autoHostingAttribute = controllerType.GetCustomAttribute<AutoHostingAttribute>();
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var methods = controllerType.GetMethods().Where(m => m.GetCustomAttribute<WebApiAttribute>() != null).ToArray();
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foreach (var method in methods) // 遍历控制器类型的所有方法
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{
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var routeAttribute = method.GetCustomAttribute<WebApiAttribute>(); // 获取方法上的 WebAPIAttribute 自定义属性
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if (routeAttribute is null) // 如果存在 WebAPIAttribute 属性
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{
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continue;
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}
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var url = AddRoutesUrl(autoHostingAttribute, routeAttribute, controllerType, method);
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if (url is null) continue;
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Console.WriteLine(url);
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var apiType = routeAttribute.ApiType.ToString();
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var config = new ApiHandleConfig(method);
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if(!HandleModels.TryGetValue(apiType, out var configs))
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{
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configs = new ConcurrentDictionary<string, ApiHandleConfig>();
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HandleModels[apiType] = configs;
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}
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configs.TryAdd(url, config);
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_controllerTypes.TryAdd(url,controllerType);
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}
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return;
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}
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/// <summary>
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/// 在外部调用API后，解析路由，调用对应的方法
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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public async Task<bool> ProcessingAsync(HttpListenerContext context)
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{
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var request = context.Request; // 获取请求对象
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var response = context.Response; // 获取响应对象
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var url = request.Url; // 获取请求的 URL
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var httpMethod = request.HttpMethod; // 获取请求的 HTTP 方法
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var template = request.Url.AbsolutePath.ToLower();
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if (!_controllerTypes.TryGetValue(template, out Type controllerType))
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{
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return false;
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}
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if (!HandleModels.TryGetValue(httpMethod, out var modules))
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{
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return false;
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}
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if (!modules.TryGetValue(template, out var config))
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{
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return false;
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}
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ControllerBase controllerInstance = (ControllerBase)SereinIOC.Instantiate(controllerType);
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if (controllerInstance is null)
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{
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return false; // 未找到控制器实例
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}
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object invokeResult;
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var routeValues = GetUrlData(url); // 解析 URL 获取路由参数
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controllerInstance.Url = url.AbsolutePath;
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switch (httpMethod)
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{
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case "GET":
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invokeResult = await config.HandleGet(controllerInstance, routeValues);
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break;
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case "POST":
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var requestBody = await ReadRequestBodyAsync(request); // 读取请求体内容
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controllerInstance.BobyData = requestBody;
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var requestJObject = JObject.Parse(requestBody);
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invokeResult = await config.HandlePost(controllerInstance, requestJObject, routeValues);
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break;
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default:
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invokeResult = null;
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break;
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}
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Return(response, invokeResult); // 返回结果
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return true;
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}
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/// <summary>
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/// 读取Body中的消息
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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private async Task<string> ReadRequestBodyAsync(HttpListenerRequest request)
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{
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using (Stream stream = request.InputStream)
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{
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using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
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{
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return await reader.ReadToEndAsync();
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}
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}
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}
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/// <summary>
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/// 返回响应消息
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/// </summary>
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/// <param name="response"></param>
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/// <param name="msg"></param>
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private static void Return(HttpListenerResponse response, object msg)
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{
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string resultData;
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if (response != null)
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{
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try
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{
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if (msg is JArray jArray)
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{
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resultData = jArray.ToString();
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}
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else if (msg is JObject jObject)
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{
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resultData = jObject.ToString();
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}
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else if (msg is IEnumerable ienumerable)
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{
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resultData = JArray.FromObject(ienumerable).ToString();
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}
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else if (msg is string tmpmsg)
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{
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resultData = tmpmsg;
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}
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else
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{
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// 否则，将其序列化为JObject
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resultData = JObject.FromObject(msg).ToString();
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}
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//
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byte[] buffer = Encoding.UTF8.GetBytes(resultData);
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response.ContentLength64 = buffer.Length;
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response.OutputStream.Write(buffer, 0, buffer.Length);
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}
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catch (Exception ex)
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{
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// If serialization fails, use the original message's string representation
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try
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{
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resultData = ex.ToString();
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byte[] buffer = Encoding.UTF8.GetBytes(resultData);
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response.ContentLength64 = buffer.Length;
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response.OutputStream.Write(buffer, 0, buffer.Length);
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}
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catch (Exception ex1)
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{
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Console.WriteLine(ex1);
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}
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}
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}
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}
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/// <summary>
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/// 从方法中收集路由信息，返回方法对应的url
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/// </summary>
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/// <param name="autoHostingAttribute">类的特性</param>
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/// <param name="webAttribute">方法的特性</param>
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/// <param name="controllerType">控制器类型</param>
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/// <param name="method">方法信息</param>
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/// <returns>方法对应的urk</returns>
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private string AddRoutesUrl(AutoHostingAttribute autoHostingAttribute, WebApiAttribute webAttribute, Type controllerType, MethodInfo method)
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{
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string controllerName;
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if (string.IsNullOrWhiteSpace(autoHostingAttribute.Url))
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{
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controllerName = controllerType.Name.Replace("Controller", "").ToLower(); // 获取控制器名称并转换为小写
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}
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else
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{
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controllerName = autoHostingAttribute.Url;
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}
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var httpMethod = webAttribute.ApiType; // 获取 HTTP 方法
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var customUrl = webAttribute.Url; // 获取自定义 URL
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string url;
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if (webAttribute.IsUrl)
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{
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if (string.IsNullOrEmpty(customUrl)) // 如果自定义 URL 为空
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{
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url = $"/{controllerName}/{method.Name}".ToLower(); // 构建默认 URL
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}
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else
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{
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customUrl = CleanUrl(customUrl);
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url = $"/{controllerName}/{method.Name}/{customUrl}".ToLower();// 清理自定义 URL，并构建新的 URL
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}
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//HandleModels[httpMethod.ToString()].TryAdd(url ); // 将 URL 和方法添加到对应的路由字典中
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}
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else
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{
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if (string.IsNullOrEmpty(customUrl)) // 如果自定义 URL 为空
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{
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url = $"/{controllerName}".ToLower(); // 构建默认 URL
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}
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else
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{
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customUrl = CleanUrl(customUrl);
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url = $"/{controllerName}/{customUrl}".ToLower();// 清理自定义 URL，并构建新的 URL
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}
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// _routes[httpMethod.ToString()].TryAdd(url, method); // 将 URL 和方法添加到对应的路由字典中
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}
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return url;
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}
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/// <summary>
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/// 修正方法特性中的URL格式
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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private static string CleanUrl(string url)
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{
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while (url.Length > 0 && url[0] == '/') // 去除开头的斜杠
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{
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url = url.Substring(1);
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}
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while (url.Length > 0 && url[url.Length - 1] == '/') // 去除末尾的斜杠
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{
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url = url.Substring(0, url.Length - 1);
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}
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for (int i = 0; i < url.Length - 1; i++) // 去除连续的斜杠
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{
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if (url[i] == '/' && url[i + 1] == '/')
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{
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url = url.Remove(i, 1);
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i--;
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}
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}
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return url; // 返回清理后的 URL
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}
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/// <summary>
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/// 方法声明，用于解析 URL 获取路由参数
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/// </summary>
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/// <param name="uri"></param>
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/// <returns></returns>
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private Dictionary<string, string> GetUrlData(Uri uri)
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{
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Dictionary<string, string> routeValues = new Dictionary<string, string>();
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var pathParts = uri.ToString().Split('?'); // 拆分 URL，获取路径部分
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if (pathParts.Length > 1) // 如果包含查询字符串
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{
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//var queryParams = HttpUtility.ParseQueryString(pathParts[1]); // 解析查询字符串
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//foreach (string key in queryParams) // 遍历查询字符串的键值对
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//{
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// if (key == null) continue;
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// routeValues[key] = queryParams[key]; // 将键值对添加到路由参数字典中
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//}
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var parsedQuery = QueryStringParser.ParseQueryString(pathParts[1]);
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foreach (var kvp in parsedQuery)
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{
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//Console.WriteLine($"{kvp.Key}: {kvp.Value}");
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routeValues[kvp.Key.ToLower()] = kvp.Value; // 将键值对添加到路由参数字典中
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}
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}
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return routeValues; // 返回路由参数字典
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}
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/// <summary>
|
||
/// 从控制器调用方法的异常中获取出出错类型的信息
|
||
/// </summary>
|
||
/// <param name="errorMessage"></param>
|
||
/// <returns></returns>
|
||
public static string ExtractTargetTypeFromExceptionMessage(string errorMessage)
|
||
{
|
||
string targetText = "为类型“";
|
||
int startIndex = errorMessage.IndexOf(targetText);
|
||
if (startIndex != -1)
|
||
{
|
||
startIndex += targetText.Length;
|
||
int endIndex = errorMessage.IndexOf("”", startIndex);
|
||
if (endIndex != -1)
|
||
{
|
||
return errorMessage.Substring(startIndex, endIndex - startIndex);
|
||
}
|
||
}
|
||
|
||
return null;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
internal static class WebFunc
|
||
{
|
||
public static bool ToBool(this JToken token, bool defult = false)
|
||
{
|
||
var value = token?.ToString();
|
||
if (string.IsNullOrWhiteSpace(value))
|
||
{
|
||
return defult;
|
||
}
|
||
if (!bool.TryParse(value, out bool result))
|
||
{
|
||
return defult;
|
||
}
|
||
else
|
||
{
|
||
return result;
|
||
}
|
||
}
|
||
public static int ToInt(this JToken token, int defult = 0)
|
||
{
|
||
var value = token?.ToString();
|
||
if (string.IsNullOrWhiteSpace(value))
|
||
{
|
||
return defult;
|
||
}
|
||
if (!int.TryParse(value, out int result))
|
||
{
|
||
return defult;
|
||
}
|
||
else
|
||
{
|
||
return result;
|
||
}
|
||
}
|
||
public static double ToDouble(this JToken token, double defult = 0)
|
||
{
|
||
var value = token?.ToString();
|
||
if (string.IsNullOrWhiteSpace(value))
|
||
{
|
||
return defult;
|
||
}
|
||
if (!int.TryParse(value, out int result))
|
||
{
|
||
return defult;
|
||
}
|
||
else
|
||
{
|
||
return result;
|
||
}
|
||
}
|
||
}
|
||
|
||
#region 已经注释
|
||
|
||
// private readonly ConcurrentDictionary<string, bool> _controllerAutoHosting; // 存储是否实例化
|
||
// private readonly ConcurrentDictionary<string, object> _controllerInstances;
|
||
|
||
//public void CollectRoutes(Type controllerType)
|
||
//{
|
||
// string controllerName = controllerType.Name.Replace("Controller", "").ToLower(); // 获取控制器名称并转换为小写
|
||
// foreach (var method in controllerType.GetMethods()) // 遍历控制器类型的所有方法
|
||
// {
|
||
// var routeAttribute = method.GetCustomAttribute<WebApiAttribute>(); // 获取方法上的 WebAPIAttribute 自定义属性
|
||
// if (routeAttribute != null) // 如果存在 WebAPIAttribute 属性
|
||
// {
|
||
// var customUrl = routeAttribute.Url; // 获取自定义 URL
|
||
// string url;
|
||
// if (string.IsNullOrEmpty(customUrl)) // 如果自定义 URL 为空
|
||
// {
|
||
// url = $"/api/{controllerName}/{method.Name}".ToLower(); // 构建默认 URL
|
||
// }
|
||
// else
|
||
// {
|
||
// customUrl = CleanUrl(customUrl);
|
||
// url = $"/api/{controllerName}/{method.Name}/{customUrl}".ToLower();// 清理自定义 URL，并构建新的 URL
|
||
// }
|
||
// var httpMethod = routeAttribute.Http; // 获取 HTTP 方法
|
||
// _routes[httpMethod.ToString()].TryAdd(url, method); // 将 URL 和方法添加到对应的路由字典中
|
||
// }
|
||
// }
|
||
//}
|
||
|
||
//public void RegisterRoute<T>(T controllerInstance) // 方法声明，用于动态注册路由
|
||
//{
|
||
// Type controllerType = controllerInstance.GetType(); // 获取控制器实例的类型
|
||
// var autoHostingAttribute = controllerType.GetCustomAttribute<AutoHostingAttribute>();
|
||
// foreach (var method in controllerType.GetMethods()) // 遍历控制器类型的所有方法
|
||
// {
|
||
// var webAttribute = method.GetCustomAttribute<WebApiAttribute>(); // 获取方法上的 WebAPIAttribute 自定义属性
|
||
// if (webAttribute != null) // 如果存在 WebAPIAttribute 属性
|
||
// {
|
||
// var url = AddRoutesUrl(autoHostingAttribute, webAttribute, controllerType, method);
|
||
// if (url == null) continue;
|
||
// _controllerInstances[url] = controllerInstance;
|
||
// _controllerAutoHosting[url] = false;
|
||
// }
|
||
|
||
// }
|
||
//}
|
||
|
||
#endregion
|
||
}
|
||
|
