struts2一些小细节(3)
1.struts.xml包含login.xml
下面是login.xml
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <package name="login" extends="struts-default" namespace="/login"> <action name="login*" class="com.bjsxt.struts2.user.action.LoginAction{1}"> <result>/user_login_success.jsp</result> </action> </package> </struts>
下面是struts.xml
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devMode" value="true" /> <include file="login.xml" /> </struts>
2.默认action
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devMode" value="true" /> <package name="default" namespace="/" extends="struts-default"> <default-action-ref name="index"></default-action-ref> <action name="index"> <result>/default.jsp</result> </action> </package> </struts>
3.Result类型
1).dispatcher :服务器跳转 。若不配置type,则默认为此项。
<action name="r1"> <result type="dispatcher">/r1.jsp</result> </action>
2).redirect:客户端跳转。
3).chain:用forward的方式访问action
4).redirectAction:跳转到一个anction
5).freemarker
6).httpheader
7).stream:下载
8).velocity
9).xslt
10).plaintext
11).tiles
4.global-results:
<struts> <constant name="struts.devMode" value="true" /> <package name="user" namespace="/user" extends="struts-default"> <global-results> <result name="mainpage">/main.jsp</result> </global-results> <action name="index"> <result>/index.jsp</result> </action> <action name="user" class="com.bjsxt.struts2.user.action.UserAction"> <result>/user_success.jsp</result> <result name="error">/user_error.jsp</result> </action> </package> <package name="admin" namespace="/admin" extends="user"> <action name="admin" class="com.bjsxt.struts2.user.action.AdminAction"> <result>/admin.jsp</result> </action> </package> </struts>
extends="user"的意思是:admin包继承user包的配置
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