get post 请求乱码

get 请求乱码，出现404

1.

2. 配置tomcat

post 请求乱码 

 1  修改web.xml

 <filter>
      <filter-name>characterEncoding</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>characterEncoding</filter-name>
      <url-pattern>*.action</url-pattern>
  </filter-mapping>