过滤用户提交表单非法字符
一、过滤器
<!-- 非法字符过滤器 --> <filter> <filter-name>IllegalCharacterFilter</filter-name> <filter-class> com.liufeng.sys.filter.IllegalCharacterFilter </filter-class> <init-param> <param-name>characterParams</param-name> <param-value>',@</param-value><!-- 此处加入要过滤的字符或字符串，以逗号隔开 --> </init-param> </filter> <filter-mapping> <filter-name>IllegalCharacterFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
