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);
}
}
///// <summary>
///// 根据要调用的方法名返回对应的 Action
///// </summary>
///// <param name="controller"></param>
///// <param name="action"></param>
///// <param name="request"></param>
///// <returns></returns>
//private static ActionDescription GetServiceAction(Type controller, string action, HttpRequest request)
//{
// if (controller == null)
// throw new ArgumentNullException("controller");
// if (string.IsNullOrEmpty(action))
// throw new ArgumentNullException("action");
// // 首先尝试从缓存中读取
// string key = request.HttpMethod + "#" + controller.FullName + "@" + action;
// ActionDescription mi = (ActionDescription)s_ServiceActionTable[key];
// if (mi == null)
// {
// bool saveToCache = true;
// MethodInfo method = FindAction(action, controller, request);
// if (method == null)
// {
// // 如果Action的名字是submit并且是POST提交，则需要自动寻找Action
// // 例如：多个提交都采用一样的方式：POST /Ajax/Product/submit
// if (action.IsSame("submit") && request.HttpMethod.IsSame("POST"))
// {
// // 自动寻找Action
// method = FindSubmitAction(controller, request);
// saveToCache = false;
// }
// }
// if (method == null)
// return null;
// var attr = method.GetMyAttribute<ActionAttribute>();
// mi = new ActionDescription(method, attr);
// if (saveToCache)
// s_ServiceActionTable[key] = mi;
// }
// return mi;
//}
//private static MethodInfo FindAction(string action, Type controller, HttpRequest request)
//{
// foreach (MethodInfo method in controller.GetMethods())
// {
// if (method.Name.IsSame(action))
// {
// if (MethodActionIsMatch(method, request))
// return method;
// }
// }
// return null;
//}
//private static MethodInfo FindSubmitAction(Type controller, HttpRequest request)
//{
// string[] keys = request.Form.AllKeys;
// foreach (MethodInfo method in controller.GetMethods())
// {
// string key = keys.FirstOrDefault(x => method.Name.IsSame(x));
// if (key != null && MethodActionIsMatch(method, request))
// return method;
// }
// return null;
//}
//private static bool MethodActionIsMatch(MethodInfo method, HttpRequest request)
//{
// var attr = method.GetMyAttribute<ActionAttribute>();
// if (attr != null)
// {
// if (attr.AllowExecute(request.HttpMethod))
// return true;
// }
// return false;
//}
/// <summary>
/// 根据一个页面请求路径，返回内部表示的调用信息。
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static InvokeInfo GetActionInvokeInfo(string commandid)
{
if (commandid == "")
{
throw new ArgumentNullException("url");
}
ActionDescription action = null;
if (s_PageActionDict.TryGetValue(commandid, out action) == false)
{
return(null);
}
InvokeInfo vkInfo = new InvokeInfo();
vkInfo.Controller = action.PageController;
vkInfo.Action = action;
if (vkInfo.Action.MethodInfo.IsStatic == false)
{
vkInfo.Instance = Activator.CreateInstance(vkInfo.Controller.ControllerType);
}
return(vkInfo);
}
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);
}
}