public ActionResult InvokeActionMethod(ControllerContext controllerContext)
{
//use reflection to get action result.
//这边涉及到model bingding?
//要给具体方法的参数赋值，这些值都是从request中获得。
ActionResult result;
object returnValue;
GetActionReturnValue(controllerContext, out result, out returnValue);
result = (returnValue as ActionResult) ?? new ContentResult { Content = returnValue.ToString() };
return result;
}
//下面这个是用vs重构的
public void GetActionReturnValue(ControllerContext controllerContext, out ActionResult result, out object returnValue)
{
result = null;
string actionName = controllerContext.RequestContext.RouteData.GetRequiredString("Action");
Controller controllerInstance = controllerContext.Controller;
MethodInfo methodInfo = controllerInstance.GetType().GetMethod(actionName);
ParameterInfo[] parameters = methodInfo.GetParameters();
List<object> parameterValues = new List<object>();
foreach (ParameterInfo parameterInfo in parameters)
{
string parameterName = parameterInfo.Name;
object parameterValueFromRequest = controllerContext.HttpContext.Request.QueryString[parameterName];
parameterValues.Add(parameterValueFromRequest);
}
returnValue = methodInfo.Invoke(controllerInstance, parameterValues.ToArray());
}
public abstract void ExecuteResult(ControllerContext controllerContext);
public void InvokeAction(ControllerContext controllerContext)
{
ActionResult actionResult = InvokeActionMethod(controllerContext);
actionResult.ExecuteResult(controllerContext);
}
