在web.xml中加入拦截器
了解springcloud架构可以加求求:三五三六二四七二五九
SpringEncoding
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name> <param-value>utf-8</param-value>
</init-param> </filter>
<filter-mapping> <filter-name>SpringEncoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>