1.只需要在项目的web.xml中配置即可
<filter>
<filter-name>encodingFilter
</filter-name>
<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>encodingFilter
</filter-name>
<url-pattern>/*
</url-pattern>
</filter-mapping>
2.需要修改tomcat配置文件 修改tomcat-home/conf/server.xml
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" URIEncoding="UTF-8"/>