spring过滤器篇
CharacterEncodingFilter
spring的web包下的一个过滤器,用于设置程序的字符编码,它有两个参数encoding和forceEncoding.
encoding:字符集,将过滤到的request编码设置为指定编码
forceEncoding:布尔值,设置是否将response也设置成指定编码
在web.xml中的配置:
<filter> <filter-name>characterEncoding</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> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>characterEncoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>