Struts2中的全局结果

<package name="globle" namespace="/" extends="struts-default">
<global-results>
<result name="error">fail.jsp</result>
</global-results>
</package>

<package name="user" namespace="/" extends="globle">
<action name="*User" class="action.UserAction" method="{1}" >
<result name="input" >index.jsp</result>
<result name="success" type="redirectAction">
<param name="actionName">logoutUser</param>
<param name="userName">${user.userName}</param>
</result>
<result name="exit">index.jsp</result>
<result name="error">fail.jsp</result>
</action>
</package>

public String login() throws Exception {
slist = new ArrayList<String>();
slist.add("刘备");
slist.add("孙权");
slist.add("曹操");
ulist=new ArrayList<User>();
ulist.add(new User("刘备",38));
ulist.add(new User("曹操",45));
ulist.add(new User("孙权",27));

msg = "welcome: " + userName;
if (user.getUserName().equals("张三")) {
Map<String, Object> session = ActionContext.getContext()
.getSession();
System.out.println(user.getUserName()+" "+user.getAge());
session.put("currUser", user.getUserName());
//nextAuction="logoutUser";
return "success";
} else {

return "error";
}
}