在创建web项目时处理中文乱码问题

<!--    编码过滤器-->
    <filter>
        <filter-name>encodingFilter</filter-name>
<!--        指定spring编码过滤器-->
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
<!--            指定编码格式-->
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>