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<welcome-file-list>
<welcome-file>index</welcome-file>
</welcome-file-list>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/index</url-pattern>
</servlet-mapping>
写在以下配置的后面
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<!--配置dispatcher.xml作为mvc的配置文件-->
<param-name>contextConfigLocation</param-name>
<param-value>classpath:/spring/dispatcher-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>