spring4 零配置启动

[quote]@Order(1)
public class WebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {

@Override
protected Class[] getRootConfigClasses() {
return new Class[] { 。。。};
}

@Override
protected Class[] getServletConfigClasses() {
return new Class[] { 。。。};
}

@Override
protected void customizeRegistration(ServletRegistration.Dynamic registration) {
registration.setInitParameter("throwExceptionIfNoHandlerFound", "true");
}

}[/quote]

spring4 webconfig通常继承WebMvcConfigurerAdapter
WebMvcConfigurerComposite会调用webconfig中的方法

最终是WebMvcConfigurationSupport