通配符直接访问“HelloWorld_.action”为什么404？
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
"http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>
<package name="default" namespace="/" extends="struts-default">
<action name="*_*" method="{2}" class="imis.black.action.{1}Action">
<result>/result.jsp</result>
<result name="add">/{2}.jsp</result>
<result name="update">/{2}.jsp</result>
<!-- 允许使用通配符的指令，中间是方法名，多个方法名之间用逗号隔开 -->
<allowed-methods>add,update</allowed-methods>
</action>
</package>
<constant name="struts.enable.DynamicMethodInvocation" value="false"></constant>
</struts>
