ActionExecutingContext -Ergebnisantwort -Rückgabeobjekte
public class Student
{
public string Name { get; set; }
}
[ApiController]
public class TestController : ControllerBase
{
[HttpGet, Route("api/Test/GetString")]
[SampleActionFilter]
public ActionResult<Student> GetString(string name)
{
if(name.StartsWith("s"))
{
return Ok(new Student{ Name = $"This is data {name}" });
}
else
{
return Ok(new Student { Name = $"No Name" });
}
}
}
public class SampleActionFilterAttribute : TypeFilterAttribute
{
public SampleActionFilterAttribute() :
base(typeof(SampleActionFilterImpl))
{
}
private class SampleActionFilterImpl : IActionFilter
{
public void OnActionExecuting(ActionExecutingContext context)
{
// perform some business logic work
}
public void OnActionExecuted(ActionExecutedContext context)
{
// perform some business logic work
var myResult = (OkObjectResult)context.Result;
//Add type checking here... sample code only
//Modiy object values
try
{
Student myVal = (Student)myResult.Value;
myVal.Name = "Johnny";
}
catch { }
}
}
}
DreamCoder
