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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data.Entity;
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using System.Data.Entity.Infrastructure;
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using System.Linq;
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using System.Web;
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using System.Web.Http;
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using System.Web.Mvc;
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using System.Web.Optimization;
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using System.Web.Routing;
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using CNCSystem.Data.Entities;
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namespace CNCSystem.Web
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{
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public class WebApiApplication : System.Web.HttpApplication
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{
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protected void Application_Start()
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{
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AreaRegistration.RegisterAllAreas();
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GlobalConfiguration.Configure(WebApiConfig.Register);
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FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
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RouteConfig.RegisterRoutes(RouteTable.Routes);
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BundleConfig.RegisterBundles(BundleTable.Bundles);
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// 初始化数据库
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Database.SetInitializer<CNCBusinessDbContext>(null);
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Database.SetInitializer<CNCLLogDbContext>(null);
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// 确保数据库存在
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EnsureDatabaseCreated();
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}
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private void EnsureDatabaseCreated()
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{
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try
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{
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using (var context = new CNCBusinessDbContext())
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{
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context.Database.CreateIfNotExists();
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}
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using (var logContext = new CNCLLogDbContext())
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{
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logContext.Database.CreateIfNotExists();
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}
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}
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catch (Exception ex)
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{
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// 记录数据库初始化错误
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LogError("数据库初始化失败", ex);
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}
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}
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protected void Application_Error(object sender, EventArgs e)
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{
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var exception = Server.GetLastError();
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LogError("应用程序错误", exception);
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// 如果是HttpException，设置HTTP状态码
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if (exception is HttpException httpException)
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{
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Response.StatusCode = httpException.GetHttpCode();
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}
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else
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{
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Response.StatusCode = 500;
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}
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Server.ClearError();
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// 重定向到错误页面
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Response.TrySkipIisCustomErrors = true;
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Server.TransferRequest("~/Error.aspx");
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}
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private void LogError(string message, Exception exception)
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{
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try
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{
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// 写入事件日志
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System.Diagnostics.EventLog.WriteEntry("Application",
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$"{message}: {exception.Message}", System.Diagnostics.EventLogEntryType.Error);
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// 写入文件日志
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var logPath = Server.MapPath("~/App_Data/Logs/Error.log");
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var logMessage = $"[{DateTime.Now}] {message}: {exception.Message}\n" +
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$"Stack Trace: {exception.StackTrace}\n\n";
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System.IO.File.AppendAllText(logPath, logMessage);
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}
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catch
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{
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// 如果日志记录失败，忽略错误
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}
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}
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}
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} |