spring framework mvc 處理編碼的 filter

只要在web.xml加入下列的filter
就可以統一將get/post的url,textfield的內容都轉換為utf-8編碼。

<!-- encoding -->
<filter>
<filter-name>characterEncoding</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter
</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncoding</filter-name>
<url-pattern>/rest/*</url-pattern>
</filter-mapping>