tomcat7.0无法输入中文，可以正常显示中文

html文件的中文可以显示，但是在表格输入中文保存后就变成?? ?
server.xml 的配置如下：
<?xml version='1.0' encoding='utf-8'?>




port="8443" maxThreads="200" scheme="https"
secure="true" SSLEnabled="true"
clientAuth="false" sslProtocol="TLS"
URIEncoding="UTF-8"
compression="force"
compressableMimeType="text/html,text/xml,text/plain,text/javascript,text/css"/>
      <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
           prefix="localhost_access_log." suffix=".log"
           pattern="%h %l %u %t &quot;%r&quot; %s %b" />
  </Host>
</Engine>


web.xml 配置如下:

setCharacterEncodingFilter
org.apache.catalina.filters.SetCharacterEncodingFilter

encoding
UTF-8

ignore
true
true
</filter>

    <filter-mapping>

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