配置解决中文乱码的过滤器

对 SpringMVC 的项目结构目录的 web.xml 进行过滤器配置

<!-- 配置解决中文乱码的过滤器 -->
<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-param>
</filter>
<filter-mapping>
      <filter-name>characterEncodingFilter</filter-name>
      <url-pattern>/*</url-pattern>
</filter-mapping>