Handler Mapping In Spring Mvc

Spring's handler mapping mechanism has the notion of handler interceptors, that can be extremely useful when you want to apply specific functionality to certain requests, for example, checking for a principal. Model transfer with a name/value map supports easy integration with any view technology. Like/subscribe us for latest updates or.

A handlerexecutionchain always wraps the handler and may also contain one or more handlerinterceptors. Spring's handler mapping mechanism has the notion of handler interceptors, that can be extremely useful when you want to apply specific functionality to certain requests, for example, checking for a principal. Handlermapping handlermapping is an interface that is implemented by all objects that map the request to the corresponding handler object.

There's also live online events, interactive content,.

1 week to 2 week. In order to understand how a spring interceptor works, let's take a step back and look at the handlermapping. A controller can have any number of @modelattribute methods. Spring mvc 涉及到的组件有 dispatcherservlet（前端控制器）、handlermapping（处理器映射器）、handleradapter（处理器适配器）、handler（处理器）、viewresolver（视图解析器）和 view（视图） 3.1.1 前端控制器 dispatcherservlet.