web.xml配置,避免乱码

用springMVC,在web.xml中配置如下代码，对所有请求进行拦截 并设置编码，避免请求乱码：

<!-- 编码Filter 加载配置 Start --><filter><filter-name>SetCharacterEncoding</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>SetCharacterEncoding</filter-name><url-pattern>/*</url-pattern></filter-mapping>