SpringMVC乱码

<!-- 配置中文乱码过滤器 -->
        <filter>
            <filter-name>characterEncodingFilter</filter-name>
            <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
            <!-- 初始化过滤器 -->
            <init-param>
                <param-name>encoding</param-name>
                <param-value>UTF-8</param-value>
            </init-param>
        </filter>
        <filter-mapping>
            <filter-name>characterEncodingFilter</filter-name>
            <!-- 拦截所有请求 -->
            <url-pattern>/*</url-pattern>
        </filter-mapping>