import org.springframework.web.SpringServletContainerInitializer; //导入依赖的package包/类
public void deployConfig(Class<? extends WebApplicationInitializer>... initializers) {

  this.context = this.tomcatServer.addContext("", System.getProperty("java.io.tmpdir"));

  // Add Tomcat's DefaultServlet
  Wrapper defaultServlet = this.context.createWrapper();
  defaultServlet.setName("default");
  defaultServlet.setServletClass("org.apache.catalina.servlets.DefaultServlet");
  this.context.addChild(defaultServlet);

  // Ensure WebSocket support
  this.context.addApplicationListener(WS_APPLICATION_LISTENER);

  this.context.addServletContainerInitializer(
          new SpringServletContainerInitializer(), new HashSet<Class<?>>(Arrays.asList(initializers)));
 }
 

import org.springframework.web.SpringServletContainerInitializer; //导入依赖的package包/类
public void deployConfig(Class<? extends WebApplicationInitializer>... initializers) {

        this.context = this.tomcatServer.addContext("", System.getProperty("java.io.tmpdir"));

		// Add Tomcat's DefaultServlet
		Wrapper defaultServlet = this.context.createWrapper();
		defaultServlet.setName("default");
		defaultServlet.setServletClass("org.apache.catalina.servlets.DefaultServlet");
		this.context.addChild(defaultServlet);

		// Ensure WebSocket support
		this.context.addApplicationListener(WS_APPLICATION_LISTENER);

		this.context.addServletContainerInitializer(
				new SpringServletContainerInitializer(), new HashSet<Class<?>>(Arrays.asList(initializers)));
	}
 

import org.springframework.web.SpringServletContainerInitializer; //导入依赖的package包/类
public void deployConfig(Class<? extends WebApplicationInitializer>... initializers) {

        this.context = this.tomcatServer.addContext("", System.getProperty("java.io.tmpdir"));

		// Add Tomcat's DefaultServlet
		Wrapper defaultServlet = this.context.createWrapper();
		defaultServlet.setName("default");
		defaultServlet.setServletClass("org.apache.catalina.servlets.DefaultServlet");
		this.context.addChild(defaultServlet);

		// Ensure WebSocket support
		this.context.addApplicationListener(WsContextListener.class.getName());

		this.context.addServletContainerInitializer(
				new SpringServletContainerInitializer(), new HashSet<Class<?>>(Arrays.asList(initializers)));
	}
 

import org.springframework.web.SpringServletContainerInitializer; //导入依赖的package包/类
@Override
protected void handleRequest(AwsProxyHttpServletRequest containerRequest, AwsHttpServletResponse containerResponse, Context lambdaContext) throws Exception {
    // this method of the AwsLambdaServletContainerHandler sets the servlet context
    if (getServletContext() == null) {
        setServletContext(new SpringBootAwsServletContext());
    }

    // wire up the application context on the first invocation
    if (!initialized) {
        if (springProfiles != null && springProfiles.length > 0) {
            System.setProperty("spring.profiles.active", String.join(",", springProfiles));
        }
        SpringServletContainerInitializer springServletContainerInitializer = new SpringServletContainerInitializer();
        LinkedHashSet<Class<?>> webAppInitializers = new LinkedHashSet<>();
        webAppInitializers.add(springBootInitializer);
        springServletContainerInitializer.onStartup(webAppInitializers, getServletContext());

        if (springProfiles != null && springProfiles.length > 0) {
            ConfigurableEnvironment springEnv = new StandardEnvironment();
            springEnv.setActiveProfiles(springProfiles);
            
        }

        initialized = true;
    }

    containerRequest.setServletContext(getServletContext());

    WebApplicationContext applicationContext = WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext());

    DispatcherServlet dispatcherServlet = applicationContext.getBean("dispatcherServlet", DispatcherServlet.class);
    // process filters & invoke servlet
    doFilter(containerRequest, containerResponse, dispatcherServlet);
}