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Feat:使一个Controller类中支持多个接口方法 #15

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Feat:使一个Controller类中支持多个接口方法 #15

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1bab502
feat(my-web-mvc):使一个Controller类中支持多个接口方法
tanpenggood Mar 1, 2021
4131e9e
test(user-web):测试一个Controller类中支持多个接口方法
tanpenggood Mar 1, 2021
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14 changes: 7 additions & 7 deletions .../user-platform/my-web-mvc/src/main/java/org/geektimes/web/mvc/FrontControllerServlet.java
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Original file line number Diff line number Diff line change
Expand Up @@ -56,19 +56,19 @@ private void initHandleMethods() {
for (Controller controller : ServiceLoader.load(Controller.class)) {
Class<?> controllerClass = controller.getClass();
Path pathFromClass = controllerClass.getAnnotation(Path.class);
String requestPath = pathFromClass.value();
String requestPathByClass = pathFromClass.value();
Method[] publicMethods = controllerClass.getMethods();
// 处理方法支持的 HTTP 方法集合
for (Method method : publicMethods) {
Set<String> supportedHttpMethods = findSupportedHttpMethods(method);
Path pathFromMethod = method.getAnnotation(Path.class);
String completeRequestPath = requestPathByClass;
if (pathFromMethod != null) {
requestPath += pathFromMethod.value();
completeRequestPath += pathFromMethod.value();
}
handleMethodInfoMapping.put(requestPath,
new HandlerMethodInfo(requestPath, method, supportedHttpMethods));
handleMethodInfoMapping.put(completeRequestPath, new HandlerMethodInfo(completeRequestPath, method, supportedHttpMethods));
controllersMapping.put(completeRequestPath, controller);
}
controllersMapping.put(requestPath, controller);
}
}

Expand Down Expand Up @@ -134,8 +134,8 @@ public void service(HttpServletRequest request, HttpServletResponse response)
}

if (controller instanceof PageController) {
PageController pageController = PageController.class.cast(controller);
String viewPath = pageController.execute(request, response);
// 调用对应的controller方法
String viewPath = (String) handlerMethodInfo.getHandlerMethod().invoke(controller, request, response);
// 页面请求 forward
// request -> RequestDispatcher forward
// RequestDispatcher requestDispatcher = request.getRequestDispatcher(viewPath);
Expand Down
5 changes: 5 additions & 0 deletions ...er-web/src/main/java/org/geektimes/projects/user/web/controller/HelloWorldController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,4 +20,9 @@ public class HelloWorldController implements PageController {
public String execute(HttpServletRequest request, HttpServletResponse response) throws Throwable {
return "index.jsp";
}

@Path("/world2")
public String world2(HttpServletRequest request, HttpServletResponse response) throws Throwable {
return "index.jsp";
}
}