【开源中国 APP 全新上线】“动弹” 回归、集成大模型对话、畅读技术报告”
项目结构是springmvc+spring+mybatis,如果再web.xml中的配置是
<listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath:spring.xml </param-value> </context-param> <servlet> <servlet-name>springMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:spring-mvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springMVC</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping>
这个的时候如果去掉了<context:component-scan base-package="">,访问接口的话就会出现404,加上的话就好的 这个是我们常见的配置,如果我把web.xml配置改为
<listener> <listener-class> org.springframework.web.context.request.RequestContextListener </listener-class> </listener> <servlet> <servlet-name>springMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:spring-mvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springMVC</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping>
配置,然后去掉<context:component-scan base-package=""> 发现竟然可以访问,大家一起探讨下为什么会这样