pageraction.java

struts+spring+hibernate自创框架

package com.pegasus.framework.component.taglib.test;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.List;

public class PagerAction extends Action {

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		//System.out.println("PagerAction doExecute" + mapping.getInput());
		List objList = new ArrayList();
		PagerForm actionForm = (PagerForm)form;
		int fetchSize = 0;
		int pageNo = 0;
		if(actionForm.getPageNo() == null || actionForm.getPageNo().equals("")) {
			pageNo = 1;
		} else {
			pageNo = new Integer(actionForm.getPageNo()).intValue();
		}
		if(actionForm.getFectchSize() == null|| actionForm.getPageNo().equals("")) {
			fetchSize = 10;
		} else {
			fetchSize = new Integer(actionForm.getFectchSize()).intValue();
		}
		int max = 300;
		if((pageNo-1) * fetchSize + fetchSize <= 300) {
			max = (pageNo-1) * fetchSize + fetchSize;
		}
		for(int i = (pageNo - 1)* fetchSize;i <= max;i++) {
			String[] objs = new String[3];
			objs[0] = "a" + i;
			objs[1] = "b" + i;
			objs[2] = "c" + i;
			objList.add(objs);
		}
		actionForm.setTotalObjectCount("300");
		request.setAttribute("objList",objList);
		//System.out.println("mapping.getInput(): " + mapping.getInput());
		return new ActionForward(mapping.getInput());
	}

}