正如@ josh-ghiloni所说，你需要为ServletRegistrationBean要创建的每个隔离的Web上下文注册一个。你需要从xml或java config类创建应用程序上下文。你可以使用@Import和@ComponentScan注释将共享服务添加到父上下文。这是一个例子：
import org.springframework.boot.SpringApplication;
import org.springframework.boot.context.embedded.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.context.support.XmlWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;
//@ComponentScan({"..."})
//@Import({})
public class Starter {
public static void main(String[] args) throws Exception {
SpringApplication.run(Starter.class, args);
}
@Bean
public ServletRegistrationBean apiV1() {
DispatcherServlet dispatcherServlet = new DispatcherServlet();
XmlWebApplicationContext applicationContext = new XmlWebApplicationContext();
applicationContext.setConfigLocation("classpath:/Meta-INF/spring/webmvc-context.xml");
dispatcherServlet.setApplicationContext(applicationContext);
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(dispatcherServlet, "/api/1/*");
servletRegistrationBean.setName("api-v1");
return servletRegistrationBean;
}
@Bean
public ServletRegistrationBean apiV2() {
DispatcherServlet dispatcherServlet = new DispatcherServlet();
AnnotationConfigWebApplicationContext applicationContext = new AnnotationConfigWebApplicationContext();
applicationContext.register(ResourceConfig.class);
dispatcherServlet.setApplicationContext(applicationContext);
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(dispatcherServlet, "/api/2/*");
servletRegistrationBean.setName("api-v2");
return servletRegistrationBean;
}
}
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