SpringMVC配置乱码处理器

    <!-- 乱码处理过滤器 -->
    <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>
       org.springframework.web.filter.CharacterEncodingFilter
        </filter-class>
        <!-- 指定编码集 -->
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <!-- 指定拦截方式为拦截所有请求 -->
        <url-pattern>/*</url-pattern>
    </filter-mapping>