springMVC-笔记009-编码过滤器

在web.xml下配置过滤器可解决编码问题：

<!-- 编码过滤器 --><filter><filter-name>encoding</filter-name><filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class><init-param><param-name>encoding</param-name><param-value>utf8</param-value></init-param></filter><filter-mapping><filter-name>encoding</filter-name><url-pattern>*</url-pattern></filter-mapping>