springmvc中在web.xml中设置过滤器，排去字符乱码

<!--设置编码格式，解决字符乱码-->
  <filter>
    <filter-name>CharacterEncodingFilter</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-paramweb.xml>
    <init-param>
      <param-name>isForceResponseEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>isForceRequestEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>CharacterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>