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using System; using System.Text; using EMS.Domains.Core; using System.Web.Mvc; using Json.Net; using Util.Webs; using Json = Util.Json; namespace EMS.MvcUI.Base { public class FilterExceptionAttribute : FilterAttribute, IExceptionFilter { public void OnException(ExceptionContext filterContext) { var isAjax = filterContext.HttpContext.Request.IsAjaxRequest(); if (isAjax) { if (filterContext.Exception is ShowException) { filterContext.Result = new ContentResult { Content = JsonConvert.SerializeObject( new {Code = StateCode.Fail, Message = filterContext.Exception.Message, Data = ""}) }; } else { filterContext.Result = new ContentResult { Content = JsonConvert.SerializeObject(new {Code = StateCode.Fail, Message = "服务器异常,请联系管理员", Data = ""}) }; } } if (!(filterContext.Exception is ShowException)) { WriteLog(filterContext); } filterContext.ExceptionHandled = true; } private Exception BuildErrorMessage(Exception ex) { while (ex.InnerException != null) { ex = ex.InnerException; } return ex; } private void WriteLog(ExceptionContext filterContext) { var httpContext = filterContext.RequestContext.HttpContext.Request; var ex = BuildErrorMessage(filterContext.Exception); // 在出现未处理的错误时运行的代码 StringBuilder _builder = new StringBuilder(); _builder.Append("\r\n------------- 异常信息 ---------------------------------------------------------------"); _builder.Append("\r\n发生时间:" + DateTime.Now.ToString()); _builder.Append("\r\n发生异常页:" + httpContext.Url.ToString()); _builder.Append("\r\n异常信息:" + ex.Message); _builder.Append("\r\n错误源:" + ex.Source); _builder.Append("\r\n堆栈信息:" + ex.StackTrace); _builder.Append("\r\n-----------------------------------------------------------------------------------------\r\n"); //日志物理路径 DateTime date = DateTime.Now; string path = httpContext.MapPath("~/Log/"); string month = date.ToString("yyyy-MM"); if (!System.IO.Directory.Exists(path + month)) System.IO.Directory.CreateDirectory(path + month); string currentDate = date.ToString("yyyy-MM-dd"); string savePath = path + month + "/" + currentDate + ".log"; System.IO.File.AppendAllText(savePath, _builder.ToString(), System.Text.Encoding.Default); //filterContext.RequestContext.HttpContext.Server.ClearError(); //filterContext.ExceptionHandled = true; //filterContext.RequestContext.HttpContext.Response.Redirect("/Home/Error"); } } }
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