1. 如果是post，在web.xml中加上
2. < filter>  
3.     < filter-name>CharacterEncodingFilter</filter-name>  
4.     < filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>  
5.     < init-param>  
6.         < param-name>encoding</param-name>  
7.         < param-value>utf-8</param-value>  
8.     < /init-param>  
9. </filter>  
10. < filter-mapping>  
11.     < filter-name>CharacterEncodingFilter</filter-name>  
12.     < url-pattern>/*</url-pattern>  
13. < /filter-mapping>
14. 如果是get，需要修改Tomcat根式目录的 conf/server.xml文件中，在里面加uRIEncoding="utf-8"

spring mvc中文乱码问题