mirror of
https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-02 15:50:47 +08:00
400 lines
15 KiB
C#
400 lines
15 KiB
C#
using Serein.Library.Api;
|
||
using Serein.Library.Network;
|
||
using System;
|
||
using System.Collections;
|
||
using System.Collections.Concurrent;
|
||
using System.Collections.Generic;
|
||
using System.IO;
|
||
using System.Linq;
|
||
using System.Net;
|
||
using System.Reflection;
|
||
using System.Text;
|
||
using System.Threading.Tasks;
|
||
using Enum = System.Enum;
|
||
using Type = System.Type;
|
||
|
||
namespace Serein.Library.Web
|
||
{
|
||
/// <summary>
|
||
/// 路由接口
|
||
/// </summary>
|
||
public interface IRouter
|
||
{
|
||
/// <summary>
|
||
/// 添加处理模块
|
||
/// </summary>
|
||
/// <param name="controllerType"></param>
|
||
void AddHandle(Type controllerType);
|
||
/// <summary>
|
||
/// 路由解析开始处理
|
||
/// </summary>
|
||
/// <param name="context"></param>
|
||
/// <returns></returns>
|
||
Task<bool> ProcessingAsync(HttpListenerContext context);
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
/// <summary>
|
||
/// 路由注册与解析
|
||
/// </summary>
|
||
public class Router : IRouter
|
||
{
|
||
private readonly ISereinIOC SereinIOC; // 用于存储路由信息
|
||
private readonly IJsonPortal jsonPortal; // JSON门户
|
||
|
||
/// <summary>
|
||
/// 控制器实例对象的类型，每次调用都会重新实例化，[Url - ControllerType]
|
||
/// </summary>
|
||
private readonly ConcurrentDictionary<string, Type> _controllerTypes = new ConcurrentDictionary<string, Type>();
|
||
|
||
/// <summary>
|
||
/// 用于存储路由信息，[GET|POST - [Url - Method]]
|
||
/// </summary>
|
||
//private readonly ConcurrentDictionary<string, ConcurrentDictionary<string, MethodInfo>> _routes = new ConcurrentDictionary<string, ConcurrentDictionary<string, MethodInfo>>();
|
||
|
||
|
||
private readonly ConcurrentDictionary<string, ConcurrentDictionary<string, ApiHandleConfig>> HandleModels = new ConcurrentDictionary<string, ConcurrentDictionary<string, ApiHandleConfig>>();
|
||
|
||
public Router(ISereinIOC SereinIOC)
|
||
{
|
||
this.SereinIOC = SereinIOC;
|
||
foreach (ApiType method in Enum.GetValues(typeof(ApiType))) // 遍历 HTTP 枚举类型的所有值
|
||
{
|
||
HandleModels.TryAdd(method.ToString(), new ConcurrentDictionary<string, ApiHandleConfig>()); // 初始化每种 HTTP 方法对应的路由字典
|
||
}
|
||
#if false
|
||
Type baseAttribute = typeof(AutoHostingAttribute);
|
||
Type baseController = typeof(ControllerBase);
|
||
|
||
|
||
// 获取当前程序集
|
||
Assembly assembly = Assembly.GetExecutingAssembly();
|
||
// 获取包含“Controller”名称的类型
|
||
var controllerTypes = assembly.GetTypes().Where(type => type.IsSubclassOf(baseController) // 控制器子类
|
||
&& type.IsDefined(baseAttribute) // 包含特性
|
||
&& type.Name.Contains("Controller"));
|
||
|
||
foreach (var controllerType in controllerTypes)
|
||
{
|
||
RegisterController(controllerType);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
public void AddHandle(Type controllerType)
|
||
{
|
||
if (!controllerType.IsClass || controllerType.IsAbstract) return; // 如果不是类或者是抽象类，则直接返回
|
||
|
||
var autoHostingAttribute = controllerType.GetCustomAttribute<WebApiControllerAttribute>();
|
||
var methods = controllerType.GetMethods().Where(m => m.GetCustomAttribute<WebApiAttribute>() != null).ToArray();
|
||
|
||
|
||
foreach (var method in methods) // 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 is null) // 如果存在 WebAPIAttribute 属性
|
||
{
|
||
continue;
|
||
}
|
||
var url = AddRoutesUrl(autoHostingAttribute, routeAttribute, controllerType, method);
|
||
if (url is null) continue;
|
||
|
||
SereinEnv.WriteLine(InfoType.INFO, url);
|
||
var apiType = routeAttribute.ApiType.ToString();
|
||
|
||
var config = new ApiHandleConfig(jsonPortal, method);
|
||
if(!HandleModels.TryGetValue(apiType, out var configs))
|
||
{
|
||
configs = new ConcurrentDictionary<string, ApiHandleConfig>();
|
||
HandleModels[apiType] = configs;
|
||
}
|
||
configs.TryAdd(url, config);
|
||
_controllerTypes.TryAdd(url,controllerType);
|
||
}
|
||
return;
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 在外部调用API后，解析路由，调用对应的方法
|
||
/// </summary>
|
||
/// <param name="context"></param>
|
||
/// <returns></returns>
|
||
public async Task<bool> ProcessingAsync(HttpListenerContext context)
|
||
{
|
||
var request = context.Request; // 获取请求对象
|
||
var template = request.Url.AbsolutePath.ToLower();
|
||
if (!_controllerTypes.TryGetValue(template, out Type controllerType))
|
||
{
|
||
return false; // 没有对应的方法
|
||
}
|
||
var httpMethod = request.HttpMethod; // 获取请求的 HTTP 方法
|
||
if (!HandleModels.TryGetValue(httpMethod, out var modules))
|
||
{
|
||
return false; // 没有对应的处理模块
|
||
}
|
||
if (!modules.TryGetValue(template, out var config))
|
||
{
|
||
return false; // 没有对应的处理配置
|
||
}
|
||
|
||
ControllerBase controllerInstance = (ControllerBase)SereinIOC.CreateObject(controllerType);
|
||
|
||
if (controllerInstance is null)
|
||
{
|
||
return false; // 未找到控制器实例
|
||
}
|
||
|
||
|
||
var url = request.Url; // 获取请求的完整URL
|
||
var routeValues = GetUrlData(url); // 解析 URL 获取路由参数
|
||
controllerInstance.Url = url.AbsolutePath;
|
||
|
||
object[] args;
|
||
switch (httpMethod)
|
||
{
|
||
case "GET":
|
||
args = config.GetArgsOfGet(routeValues); // Get请求
|
||
break;
|
||
case "POST":
|
||
var requestBody = await ReadRequestBodyAsync(request); // 读取请求体内容
|
||
controllerInstance.BobyData = requestBody;
|
||
var requestJObject = JObject.Parse(requestBody);
|
||
args = config.GetArgsOfPost(routeValues, requestJObject); // Post请求
|
||
break;
|
||
default:
|
||
return false;
|
||
}
|
||
var invokeResult = await config.HandleAsync(controllerInstance, args);
|
||
|
||
var response = context.Response; // 获取响应对象
|
||
ResponseApiMsg(response, invokeResult); // 返回结果
|
||
return true;
|
||
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 读取Body中的消息
|
||
/// </summary>
|
||
/// <param name="request"></param>
|
||
/// <returns></returns>
|
||
private async Task<string> ReadRequestBodyAsync(HttpListenerRequest request)
|
||
{
|
||
using (Stream stream = request.InputStream)
|
||
{
|
||
using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
|
||
{
|
||
return await reader.ReadToEndAsync();
|
||
}
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 返回响应消息
|
||
/// </summary>
|
||
/// <param name="response"></param>
|
||
/// <param name="msg"></param>
|
||
private static void ResponseApiMsg(HttpListenerResponse response, object msg)
|
||
{
|
||
string resultData;
|
||
if (response != null)
|
||
{
|
||
try
|
||
{
|
||
if (msg is JArray jArray)
|
||
{
|
||
resultData = jArray.ToString();
|
||
}
|
||
else if (msg is JObject jObject)
|
||
{
|
||
resultData = jObject.ToString();
|
||
}
|
||
else if (msg is IEnumerable ienumerable)
|
||
{
|
||
resultData = JArray.FromObject(ienumerable).ToString();
|
||
}
|
||
else if (msg is string tmpmsg)
|
||
{
|
||
resultData = tmpmsg;
|
||
}
|
||
else
|
||
{
|
||
// 否则，将其序列化为JObject
|
||
resultData = JObject.FromObject(msg).ToString();
|
||
}
|
||
//
|
||
byte[] buffer = Encoding.UTF8.GetBytes(resultData);
|
||
response.ContentLength64 = buffer.Length;
|
||
response.OutputStream.Write(buffer, 0, buffer.Length);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
// If serialization fails, use the original message's string representation
|
||
try
|
||
{
|
||
resultData = ex.ToString();
|
||
byte[] buffer = Encoding.UTF8.GetBytes(resultData);
|
||
response.ContentLength64 = buffer.Length;
|
||
response.OutputStream.Write(buffer, 0, buffer.Length);
|
||
}
|
||
catch (Exception ex1)
|
||
{
|
||
|
||
SereinEnv.WriteLine(ex1);
|
||
}
|
||
}
|
||
|
||
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 从方法中收集路由信息，返回方法对应的url
|
||
/// </summary>
|
||
/// <param name="autoHostingAttribute">类的特性</param>
|
||
/// <param name="webAttribute">方法的特性</param>
|
||
/// <param name="controllerType">控制器类型</param>
|
||
/// <param name="method">方法信息</param>
|
||
/// <returns>方法对应的urk</returns>
|
||
private string AddRoutesUrl(WebApiControllerAttribute autoHostingAttribute, WebApiAttribute webAttribute, Type controllerType, MethodInfo method)
|
||
{
|
||
string controllerName;
|
||
if (string.IsNullOrWhiteSpace(autoHostingAttribute.Url))
|
||
{
|
||
controllerName = controllerType.Name.Replace("Controller", "").ToLower(); // 获取控制器名称并转换为小写
|
||
}
|
||
else
|
||
{
|
||
controllerName = autoHostingAttribute.Url;
|
||
}
|
||
|
||
var httpMethod = webAttribute.ApiType; // 获取 HTTP 方法
|
||
var customUrl = webAttribute.Url; // 获取自定义 URL
|
||
|
||
string url;
|
||
|
||
if (webAttribute.IsUrl)
|
||
{
|
||
|
||
if (string.IsNullOrEmpty(customUrl)) // 如果自定义 URL 为空
|
||
{
|
||
url = $"/{controllerName}/{method.Name}".ToLower(); // 构建默认 URL
|
||
}
|
||
else
|
||
{
|
||
customUrl = CleanUrl(customUrl);
|
||
url = $"/{controllerName}/{method.Name}/{customUrl}".ToLower();// 清理自定义 URL，并构建新的 URL
|
||
}
|
||
//HandleModels[httpMethod.ToString()].TryAdd(url ); // 将 URL 和方法添加到对应的路由字典中
|
||
}
|
||
else
|
||
{
|
||
if (string.IsNullOrEmpty(customUrl)) // 如果自定义 URL 为空
|
||
{
|
||
url = $"/{controllerName}".ToLower(); // 构建默认 URL
|
||
}
|
||
else
|
||
{
|
||
customUrl = CleanUrl(customUrl);
|
||
url = $"/{controllerName}/{customUrl}".ToLower();// 清理自定义 URL，并构建新的 URL
|
||
}
|
||
// _routes[httpMethod.ToString()].TryAdd(url, method); // 将 URL 和方法添加到对应的路由字典中
|
||
}
|
||
|
||
return url;
|
||
|
||
}
|
||
|
||
/// <summary>
|
||
/// 修正方法特性中的URL格式
|
||
/// </summary>
|
||
/// <param name="url"></param>
|
||
/// <returns></returns>
|
||
private static string CleanUrl(string url)
|
||
{
|
||
|
||
while (url.Length > 0 && url[0] == '/') // 去除开头的斜杠
|
||
{
|
||
url = url.Substring(1);
|
||
}
|
||
|
||
while (url.Length > 0 && url[url.Length - 1] == '/') // 去除末尾的斜杠
|
||
{
|
||
url = url.Substring(0, url.Length - 1);
|
||
}
|
||
|
||
for (int i = 0; i < url.Length - 1; i++) // 去除连续的斜杠
|
||
{
|
||
if (url[i] == '/' && url[i + 1] == '/')
|
||
{
|
||
url = url.Remove(i, 1);
|
||
i--;
|
||
}
|
||
}
|
||
|
||
return url; // 返回清理后的 URL
|
||
}
|
||
|
||
/// <summary>
|
||
/// 方法声明，用于解析 URL 获取路由参数
|
||
/// </summary>
|
||
/// <param name="uri"></param>
|
||
/// <returns></returns>
|
||
private Dictionary<string, string> GetUrlData(Uri uri)
|
||
{
|
||
Dictionary<string, string> routeValues = new Dictionary<string, string>();
|
||
|
||
var pathParts = uri.ToString().Split('?'); // 拆分 URL，获取路径部分
|
||
|
||
if (pathParts.Length > 1) // 如果包含查询字符串
|
||
{
|
||
//var queryParams = HttpUtility.ParseQueryString(pathParts[1]); // 解析查询字符串
|
||
//foreach (string key in queryParams) // 遍历查询字符串的键值对
|
||
//{
|
||
// if (key == null) continue;
|
||
// routeValues[key] = queryParams[key]; // 将键值对添加到路由参数字典中
|
||
//}
|
||
var parsedQuery = QueryStringParser.ParseQueryString(pathParts[1]);
|
||
foreach (var kvp in parsedQuery)
|
||
{
|
||
//Console.WriteLine($"{kvp.Key}: {kvp.Value}");
|
||
routeValues[kvp.Key.ToLower()] = kvp.Value; // 将键值对添加到路由参数字典中
|
||
}
|
||
}
|
||
|
||
return routeValues; // 返回路由参数字典
|
||
}
|
||
|
||
/// <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;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
}
|
||
|
