SpringMVC解决乱码

在web.xml文件配置一道

<!--乱码解决-->
  <filter>
    <filter-name>CharacterEoding</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <!--设置请求中的编码格式-->
    <init-param>
      <param-name>encoding</param-name>
      <param-value>utf-8</param-value>
    </init-param>

    <!--设置响应回的编码，与请求编码格式一致-->
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>

  </filter>
  <filter-mapping>
    <filter-name>CharacterEoding</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>