72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
using CYQ.Data;
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using System;
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using System.Collections.Generic;
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namespace System.Web
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{
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/// <summary>
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/// 兼容MVC（Taurus、Aries）
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/// </summary>
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public class HttpApplication
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{
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private static Dictionary<string, HttpApplication> keyValues= new Dictionary<string, HttpApplication>(StringComparer.OrdinalIgnoreCase);
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/// <summary>
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/// 根据指定 Key 获得唯一实例
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/// </summary>
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/// <param name="key">在不同的NetCore中间件被使用时，用Key区分</param>
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/// <returns></returns>
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public static HttpApplication GetInstance(string key)
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{
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if(keyValues.ContainsKey(key)) return keyValues[key];
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HttpApplication instance = new HttpApplication();
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keyValues.Add(key, instance);
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return instance;
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}
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/// <summary>
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/// 单例处理，（对于多个中间件，请使用GetInstance方法）
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/// </summary>
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public static HttpApplication Instance => LocalShell.instance;
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private HttpApplication()
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{
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//if (!AppConfig.WebRootPath.Contains("wwwroot")) //NetCore项目不存在wwwroot文件夹
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//{
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// AppConfig.WebRootPath = AppConfig.WebRootPath + "wwwroot" + (AppConfig.WebRootPath[0] == '/' ? "/" : "\\");//设置根目录地址，ASPNETCore的根目录和其它应用不一样。
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//}
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}
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public HttpContext Context
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{
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get
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{
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return HttpContext.Current;
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}
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}
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public event EventHandler BeginRequest;
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public event EventHandler PostMapRequestHandler;
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public event EventHandler AcquireRequestState;
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public event EventHandler PreSendRequestContent;
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public event EventHandler Error;
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public event EventHandler Disposed;
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public void ExecuteEventHandler()
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{
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try
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{
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BeginRequest?.Invoke(this, null);
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if (!Context.Items.Contains("IsRunToEnd"))
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{
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AcquireRequestState?.Invoke(this, null);
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}
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}
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catch (Exception err)
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{
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Context.Error = err;
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Error?.Invoke(this, null);//这个只有异常才调用，所以不需要在这里调用
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}
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}
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class LocalShell
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{
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internal static readonly HttpApplication instance = new HttpApplication();
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}
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}
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}
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