public async Task Invoke(HttpContext httpContext)
{
try
{
await _next(httpContext);
}
catch (Exception ex)
{
LogHelper.Logger.Fatal(ex,
$"【异常信息】：{ex.Message} 【请求路径】：{httpContext.Request.Method}:{httpContext.Request.Path}\n " +
$"【UserHostAddress】:{ LionWeb.GetClientIp()} " +
$"【UserAgent】:{ httpContext.Request.Headers["User-Agent"]}");
if (ex is CustomSystemException se)
{
await ExceptionResult(httpContext, new ResponseModel().Fail(se.Code, se.Message, "").ToJson(true, isLowCase: true));
}
else if (ex is DataValidException de)
{
await ExceptionResult(httpContext, new ResponseModel().Fail(de.Code, de.Message, "").ToJson(true, isLowCase: true));
}
else
{
#if DEBUG
Console.WriteLine(ex);
var content = ex.Message;
#else
var content = "系统错误，请稍后再试或联系管理人员。";
#endif
await ExceptionResult(httpContext, new ResponseModel().Fail(ResponseCode.UnknownEx, content, "").ToJson(true, isLowCase: true));
}
}
}
public override void OnActionExecuting(ActionExecutingContext context)
{
#if DEBUG
LogHelper.Logger.Debug(
"[Ip]:{0}\n [Arguments]:{1}\n [Headers]:{2}\n ",
LionWeb.GetClientIp(),
context.ActionArguments.ToJson(true),
context.HttpContext.Request.Headers.ToJson(true)
);
_stopWatch = new Stopwatch();
_stopWatch.Start();
#endif
base.OnActionExecuting(context);
}
public override void OnException(ExceptionContext filterContext)
{
if (filterContext.ExceptionHandled)
{
return;
}
var controllerName = (string)filterContext.RouteData.Values["controller"];
var actionName = (string)filterContext.RouteData.Values["action"];
var request = filterContext.HttpContext.Request;
LogHelper.Logger.Fatal(filterContext.Exception,
$"【异常信息】：{filterContext.Exception.Message} 【请求路径】：{request.Method}:{request.Path}\n " +
$"【Controller】:{controllerName} - 【Action】:{actionName}\n " +
$"【UserHostAddress】:{ LionWeb.GetClientIp()} " +
$"【UserAgent】:{ request.Headers["User-Agent"]}");
if (filterContext.Exception is CustomSystemException se)
{
filterContext.Result = new CustomHttpStatusCodeResult(200, se.Code, se.Message);
}
else if (filterContext.Exception is DataValidException de)
{
filterContext.Result = new CustomHttpStatusCodeResult(200, de.Code, de.Message);
}
else
{
var content = "";
#if DEBUG
Console.WriteLine(filterContext.Exception);
content = filterContext.Exception.Message;
#else
content = "系统错误，请稍后再试或联系管理人员。";
#endif
filterContext.Result = new CustomHttpStatusCodeResult(200, ResponseCode.UnknownEx, content);
}
filterContext.ExceptionHandled = true;
// 处理完异常之后，请记得将此属性更改为true,表明已经处理过了。将不会
// 处理范围仅限于MVC中间件，若要捕捉MVC中间件之前的异常，
// 请使用ExceptionHandlerMiddleware中间件来处理，因为在管道中放置在第一个位置
}
/// <summary>
/// 自定义的错误拦截管道来作为处理程序
/// </summary>
/// <param name="httpContext"></param>
/// <param name="next"></param>
/// <returns></returns>
private async Task CustomExceptionHandler(HttpContext httpContext, Func <Task> next)
{
//该信息由ExceptionHandlerMiddleware中间件提供，里面包含了ExceptionHandlerMiddleware中间件捕获到的异常信息。
var exceptionDetails = httpContext.Features.Get <IExceptionHandlerFeature>();
var ex = exceptionDetails?.Error;
if (ex != null)
{
LogHelper.Logger.Fatal(ex, $"【异常信息】：{ex.Message} 【请求路径】：{httpContext.Request.Method}:{httpContext.Request.Path}\n " + $"【UserHostAddress】:{LionWeb.GetClientIp()} " + $"【UserAgent】:{httpContext.Request.Headers["User-Agent"]}");
if (ex is CustomSystemException se)
{
await ExceptionResult(httpContext, new ResponseModel().Fail(se.Code, se.Message, "").ToJson(true, isLowCase: true));
}
else if (ex is DataValidException de)
{
await ExceptionResult(httpContext, new ResponseModel().Fail(de.Code, de.Message, "").ToJson(true, isLowCase: true));
}
else
{
#if DEBUG
Console.WriteLine(ex);
var content = ex.Message;
#else
var content = "系统错误，请稍后再试或联系管理人员。";
#endif
await ExceptionResult(httpContext, new ResponseModel().Fail(ResponseCode.UnknownEx, content, "").ToJson(true, isLowCase: true));
}
}
}