spring_mvc的配置文件详解（Spring_mvc configuration file detailed）.doc

spring_mvc的配置文件详解（Spring_mvc configuration file detailed） Configuring the distributor DispatcherServlet is the entrance to Spring MVC All Request access to Spring Web go through DispatcherServlet You need to register DispatcherServlet in web.xml servlet servlet-namedispatherContext/servlet-name servlet-class Org.springframework.web.servlet.DispatcherServlet /servlet-class load-on-startup1/load-on-startup /servlet When DispatcherServlet is loaded, Spring attempts to read the configuration file The default configuration file is located in the same path under web.xml, the file name and the registered Servlet Name about Servlet registration name, keep up with -servlet.xml For example: the above Servlet registration name is dispatcherContext, then the default As the configuration file: dispatcherContext-servlet.xml Of course, you can also specify configuration files that need to set initialization parameters when registering Servlet init-param param-namecontextConfigLocation/param-name param-value ! -- configuration file - /param-value /init-param After registering the DispatcherServlet, you should also specify the URL template that has Spring processing servlet-mapping servlet-namedispatherContextServlet/servlet-name url-pattern*.do/url-pattern /servlet-mapping In this case, the processing of the requested.Do is entirely processed by the Spring As programs become larger, more and more bean in the configuration file becomes complicated Difficult to maintain. You should now consider splitting the configuration file into multiple To allow the Spring to read these configuration files and to detect their changes You need to register profile readers For the Servlet above 2.3 standard, and the web container supports the listener You can register to listen in web.xml listener listener-class Org.springframework.web.context.ContextLoaderListener /listener-class /listener For Servlet version 2.3 below, you need to register Servlet because you do not support the listener servlet s