baseaction.java

这是一个jbpm的高级应用,是一个oa工作流的系统,里面用到了spring,hibernate技术等.实为学习jbpm的好资料!

package com.bjsxt.oa.web.actions;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import com.bjsxt.oa.model.User;

public class BaseAction extends DispatchAction {
	
	
	
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
		
		//添加权限判断的代码
		User currentUser = currentUser(request);
		if(currentUser == null){
			return mapping.findForward("login");
		}
		
		return super.execute(mapping, form, request, response);
	}

	protected int getOffset(HttpServletRequest request){
		int offset = 0;
		try {
			offset = Integer.parseInt(request.getParameter("pager.offset"));
		} catch (Exception e) {
		}
		return offset;
	}
	
	protected int getPagesize(HttpServletRequest request){
		return 10;
	}
	
	protected User currentUser(HttpServletRequest request){
		return (User)request.getSession().getAttribute("login");
	}
}