sumaction.java

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package com.action;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import com.dao.MonthDao;

public class SumAction extends Action {
    private MonthDao dao = null;
    public ActionForward execute(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        this.dao = new MonthDao();
        int year = Integer.parseInt(request.getParameter("year")); //从JSP页面中得到年数，同时进行转型
        dao.draw(year,response);
        return mapping.findForward("sumAction");
    }
}