struts-config.xml
<message-resources
parameter="jp.co.jip.resources.ApplicationResources" />
<message-resources
parameter="jp.co.jip.resources.ApplicationResources_img"
key="img" />
<message-resources
parameter="jp.co.jip.resources.ApplicationResources_url"
key="url" />
<message-resources
parameter="jp.co.jip.resources.ApplicationResources_popup"
key="popup" />
<message-resources
parameter="jp.co.jip.resources.ApplicationResources_version"
key="version" />
JSP中
<bean:message key="button.torikeshi_sakusei" />