public async Task HandleExceptionAsync(HttpContext context, Exception exception)
{
var isAjaxRequest = context.Request.IsAjaxRequest();
var isAcceptJson = context.Request.Headers["Accept"]
.ToString()?
.Contains("application/json", StringComparison.OrdinalIgnoreCase) ?? false;
var res = new ExceptionResult();
switch (exception)
{
case AlertException alertException:
res.Code = alertException.ErrorCode;
res.Message = alertException.Message;
break;
case FatalException fatalException:
res.Code = fatalException.ErrorCode;
res.Message = fatalException.Message;
_logger.LogError("致命错误", exception);
break;
case MozAspectInvocationException aspectInvocationException:
res.Code = aspectInvocationException.ErrorCode;
res.Message = aspectInvocationException.ErrorMessage;
break;
case MozException mozException:
res.Code = mozException.ErrorCode;
res.Message = mozException.Message;
break;
default:
res.Code = 20000;
res.Message = exception.Message;
_logger.LogError("系统错误", exception);
break;
}
if (isAjaxRequest || isAcceptJson)
{
await this.OnApiCallAsync(context, res);
}
else
{
if (_webHostEnvironment.IsDevelopment())
{
throw exception;
}
await OnPageCallAsync(context, res);
}
}
protected virtual async Task OnPageCallAsync(HttpContext context, ExceptionResult result)
{
context.Response.ContentType = "text/html;charset=utf-8";
context.Response.StatusCode = 200;
await context.Response.WriteAsync($"错误:{result.Message}({result.Code})");
}
protected virtual async Task OnApiCallAsync(HttpContext context, ExceptionResult result)
{
context.Response.ContentType = "application/json;charset=utf-8";
context.Response.StatusCode = 200;
await context.Response.WriteAsync(JsonConvert.SerializeObject(result));
}