an introduction
When the wrong URL is entered, it will be transferred to the default ation to handle
Two configuration methods
<?
xml
version
=
"1.0"
encoding
=
"UTF-8"
?>
<!
DOCTYPE
struts
PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
"
http://struts.apache.org/dtds/struts-2.1.dtd"
;
>
<
struts
>
<
package
name
=
"default"
namespace
=
"/"
extends
=
"struts-default"
>
<
default-action-ref
name
=
"index"
></
default-action-ref
>
<
action
name
=
"index"
>
<
result
>
/error.jsp
</
result
>
</
action
>
<
action
name
=
"*_*_*"
method
=
"{2}"
class
=
"com.cakin.{3}.{1}Action"
>
<
result
>
/result.jsp
</
result
>
<
result
name
=
"add"
>
/{2}.
jsp
</
result
>
<
result
name
=
"update"
>
/{2}.
jsp
</
result
>
</
action
>
</
package
>
</
struts
>
Three tests
