步骤:windows-->preferences---> 文本框中查询XML Catalog --->add--->
location为.dtd文件位置
key Type为public ID
key 为dtd定义的前面一节 <!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
--->ok
location为.dtd文件位置
key Type为public ID
key 为dtd定义的前面一节 <!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
--->ok