web.xml 中设置拦截是 / ,所以加了个default,将要放行的后缀都添加了一遍
参考文章 http://www.manongjc.com/detail/7-tdmomqbrpgljqhy.html
<!--配置前端控制器-->
<servlet>
<servlet-name>DispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 加载springmvc-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.html</url-pattern>
<url-pattern>*.css</url-pattern>
<url-pattern>*.js</url-pattern>
<url-pattern>*.gif</url-pattern>
<url-pattern>*.png</url-pattern>
<url-pattern>*.jpg</url-pattern>
<url-pattern>*.json</url-pattern>
<url-pattern>*.ttf</url-pattern>
<url-pattern>*.woff</url-pattern>
</servlet-mapping>