sessioninterceptor.java

来自「利用STRUTS2+SPRING+HIBERNATE/IBATIS建立的基本开发」· Java 代码 · 共 41 行

/**
 * 
 */
package com.sunwah.baseapp.interceptor;

import java.util.Map;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.Interceptor;
import com.sunwah.baseapp.common.Constants;

/**
 * 登录拦截器
 * 
 * @author MARK
 * 
 */
public class SessionInterceptor implements Interceptor {
	/**
	 * 
	 */
	private static final long serialVersionUID = -5155109641818958779L;

	public void destroy() {
	}

	public void init() {
	}

	public String intercept(ActionInvocation actionInvocation) throws Exception {
		Map session = actionInvocation.getInvocationContext().getSession();
		Object obj = session.get(Constants.SESSION_USER);
		// 判断用户是否登录
		if (obj == null)
			return Action.LOGIN;
		return actionInvocation.invoke();
	}

}