自定義攔截器

攔截器類

package cn.jzy.interceptor;

import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.Interceptor;

public class MyIntercepteor implements Interceptor {

	private static final long serialVersionUID = 1L;
	private String userName;	//struts.xml中配置的屬性

	public String getUserName() {
		return userName;
	}

	public void setUserName(String userName) {
		this.userName = userName;
	}

	@Override
	public void destroy() {

	}

	@Override
	public void init() {

	}

	@Override
	public String intercept(ActionInvocation arg0) throws Exception {
		System.out.println("myIntercept");	
		System.out.println("struts中的屬性： " + userName);
		return arg0.invoke();
	}

}

配置文件

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
	"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

	<constant name="struts.enable.DynamicMethodInvocation" value="true" />
	<constant name="struts.devMode" value="true" />
	<constant name="struts.i18n.encoding" value="utf-8"></constant>
	<constant name="struts.custom.i18n.resources" value="mystruts"></constant>
	
	<package name="default" namespace="/" extends="struts-default">
		
		<interceptors>
			<interceptor name="test" class="cn.jzy.interceptor.MyIntercepteor">
				<param name="userName">你好</param>
			</interceptor>
		</interceptors>

		<action name="index">
			<result>/index.jsp</result>
		</action>
		<action name="login_*" class="cn.jzy.action.LoginAction" method="{1}">
			<result name="show">/show.jsp</result>
			<result name="invalid.token">/show.jsp</result>
			<result name="input">/login.jsp</result> <!-- input爲驗證跳轉 -->
			<interceptor-ref name="tokenSession"></interceptor-ref>
			<interceptor-ref name="test"></interceptor-ref>
			<interceptor-ref name="fileUpload"></interceptor-ref>
			<interceptor-ref name="defaultStack"></interceptor-ref>
		</action>
	</package>




</struts>