/// <summary>
/// 页面输出并写入错误日志
/// </summary>
/// <param name="ero"></param>
public static void WriteException(Exception ero, EventLog.LogItem item)
{
//EventLog.Log("start1", "error");
bool logError = true;
if (ero is HttpException)
{
HttpException he = ero as HttpException;
int code = he.GetHttpCode();
if (code == 404)
{
logError = false;
}
}
if (ero is HttpRequestValidationException)
{
logError = false;
}
//EventLog.Log("start2", "error");
string errorCode = string.Empty;
if (logError)
{
//EventLog.Log("start6", "error");
errorCode = InnerLogException(ero, item);
}
}
/// <summary>
/// 内部记录日志
/// </summary>
/// <param name="ero"></param>
/// <returns></returns>
static string InnerLogException(Exception ero, EventLog.LogItem item)
{
string host = HttpContext.Current.Request.Url.Host.ToUpper();
string errorCode = host.Replace(".", "_");
lock (lockObj)
{
exceptionId += 1;
errorCode += ":" + EventLog.GetSecondFolder() + ":" + exceptionId;
}
ero = GetInnerException(ero);
item.Title = item.Title + ",错误代码:" + errorCode;
if (ero != null)
{
item.Detail = ero.Message + "\r\n" + ero.StackTrace + "\r\n";
}
EventLog.Log(item, "Error");
if (host == "LOCALHOST")
{
return(errorCode);
}
return(errorCode);
}
public override void OnException(ExceptionContext filterContext)
{
if (!filterContext.ExceptionHandled)
{
#region 记录错误日志
string controllerName = (string)filterContext.RouteData.Values["controller"];
string actionName = (string)filterContext.RouteData.Values["action"];
string msgTemplate = string.Format("在执行 controller[{0}] 的 action[{1}] 时产生异常", controllerName, actionName);
EventLog.LogItem item = new EventLog.LogItem();
item.Title = msgTemplate;
LogManage.WriteException(filterContext.Exception, item);
#endregion
if (!(filterContext.Result is JsonResult)) //当非JsonResult并且需要自定义错误页面时
{
if (!Utility.IsLocal()) //非本地，并且需要自定义错误时执行
{
//通知MVC框架，现在这个异常已经被我处理掉，你不需要将黄页显示给用户
filterContext.ExceptionHandled = true;
//跳转到错误提醒页面
filterContext.Result = new ViewResult {
ViewName = "error"
};
}
}
}
if (filterContext.Result is JsonResult)
{
//当结果为json时，设置异常已处理，此时要在action上调用JsonException属性
filterContext.ExceptionHandled = true;
}
else
{
//否则调用原始设置
base.OnException(filterContext);
}
}
