Spring MVC 容器加载原理

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"id="WebApp_ID" version="2.5"><display-name>Victory Portal Project</display-name>------------根据配置参数contextConfigLocation这里启动parent的容器xmlWebApplicationContext<listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:conf-spring/spring-service.xml;classpath:conf-spring/spring-dataSource.xml;</param-value></context-param><filter><filter-name>encodingFilter</filter-name><filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class><init-param><param-name>encoding</param-name><param-value>UTF-8</param-value></init-param><init-param><param-name>forceEncoding</param-name><param-value>true</param-value></init-param></filter><filter-mapping><filter-name>encodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping><servlet><servlet-name>DispatcherServlet</servlet-name>
------------根据配置参数contextConfigLocation这里启动dispatcher的容器xmlWebApplicationContext，dispatcher的容器可以注入parent中的bean实例
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:conf-spring/spring-controller.xml</param-value></init-param></servlet><servlet-mapping><servlet-name>DispatcherServlet</servlet-name><url-pattern>/</url-pattern></servlet-mapping><servlet-mapping><servlet-name>default</servlet-name><url-pattern>*.js</url-pattern></servlet-mapping><servlet-mapping><servlet-name>default</servlet-name><url-pattern>*.css</url-pattern></servlet-mapping><servlet-mapping><servlet-name>default</servlet-name><url-pattern>*.png</url-pattern></servlet-mapping><servlet-mapping><servlet-name>default</servlet-name><url-pattern>*.html</url-pattern></servlet-mapping><error-page><error-code>404</error-code><location>/404.html</location></error-page></web-app>