private static object[] GetActionCallParameters(TrafficContext context, ActionDescription action)
{
if (action.Parameters == null || action.Parameters.Length == 0)
{
return(null);
}
object[] parameters = new object[action.Parameters.Length];
for (int i = 0; i < action.Parameters.Length; i++)
{
ParameterInfo p = action.Parameters[i];
if (p.IsOut)
{
continue;
}
if (p.ParameterType == typeof(VoidType))
{
continue;
}
Type paramterType = p.ParameterType.GetRealType();
object val = context.Request.GetValue(i, paramterType);
if (val != null)
{
parameters[i] = val;
}
else
{
if (p.ParameterType.IsValueType && p.ParameterType.IsNullableType() == false)
{
throw new ArgumentException("未能找到指定的参数值：" + p.Name);
}
}
}
return(parameters);
}
public static object ExecuteAction(TrafficContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
InvokeInfo vkInfo = ReflectionHelper.GetActionInvokeInfo(context.Request.CommandId);
if (vkInfo == null)
{
return(null);
}
var controller = vkInfo.Instance as IMyController;
controller.UserData = context.Request.UserData;
// 调用方法
object result = ExecuteActionInternal(context, vkInfo);
// 设置OutputCache
// 处理方法的返回结果
IActionResult executeResult = result as IActionResult;
if (executeResult != null)
{
executeResult.Ouput(context);
return(executeResult);
}
else
{
return(result);
}
}
internal static object ExecuteActionInternal(TrafficContext context, InvokeInfo info)
{
// 准备要传给调用方法的参数
object[] parameters = GetActionCallParameters(context, info.Action);
// 调用方法
if (info.Action.HasReturn)
{
return(info.Action.MethodInfo.Invoke(info.Instance, parameters));
}
else
{
info.Action.MethodInfo.Invoke(info.Instance, parameters);
return(null);
}
}
void IActionResult.Ouput(TrafficContext context)
{
//TODO
//context.Response
}
