/// <summary>
/// Action方法执行前参数校验
/// </summary>
/// <param name="context"></param>
public override void OnActionExecuting(ActionExecutingContext context)
{
if (!context.ModelState.IsValid)
{
var modelStateErrors = new Dictionary <string, IEnumerable <string> >();
foreach (var state in context.ModelState)
{
var key = state.Key;
var errors = state.Value.Errors;
if (errors != null && errors.Count > 0)
{
var errorMessages = errors.Select(error =>
{
return(error.Exception != null ? error.Exception.Message : (String.IsNullOrEmpty(error.ErrorMessage) ? "An error has occurred " : error.ErrorMessage));
});
if (errorMessages.Count() > 0)
{
modelStateErrors.Add(key, errorMessages);
}
}
var response = new Response <Dictionary <string, IEnumerable <string> > >();
response.SetMessage(ResponseStatusCode.RequestParameterIsWrong);
response.Result = modelStateErrors;
context.Result = new ContentResult()
{
StatusCode = (int)HttpStatusCode.BadRequest,
Content = response.SerializeToJson()
};
}
LogErrorHelper.LogError("OnActionExecuting", context.HttpContext, context.Result);
}
}
/// <summary>
/// Action方法执行后异常处理,避免直接抛出异常
/// </summary>
/// <param name="context"></param>
public override void OnActionExecuted(ActionExecutedContext context)
{
if (context.Exception.IsNotNull())
{
var response = new Response();
response.HandleException(context.Exception);
context.Result = new ContentResult()
{
StatusCode = (int)HttpStatusCode.BadRequest,
Content = response.SerializeToJson()
};
LogErrorHelper.LogError("OnActionExecuted", context.HttpContext, context.Result);
}
}
public void OnException(ExceptionContext context)
{
var response = new Response();
response.HandleException(context.Exception);
var serializerSettings = new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
var content = JsonConvert.SerializeObject(response, Formatting.None, serializerSettings);
context.Result = new ContentResult()
{
StatusCode = (int)HttpStatusCode.OK,
Content = content
};
context.ExceptionHandled = true;
LogErrorHelper.LogError("OnException", context.HttpContext, context.Result);
}
