backaction.java

留言簿或论坛是网站必备的组成部分。它不仅是网站访问者发表意见的场所

package com.action;

import javax.servlet.http.*;
import org.apache.struts.action.*;
import com.actionForm.BackForm;
import org.apache.struts.actions.DispatchAction;
import com.tool.Chinese;
import java.util.List;
import com.dao.*;

public class BackAction extends DispatchAction {
    private Backdao dao = null;
    private Talkdao talk=null;
    public BackAction() {
        dao = new Backdao();
        talk=new Talkdao();
    }

//=============================================================================
    public ActionForward insertBack(ActionMapping mapping, ActionForm form,
                                    HttpServletRequest request,
                                    HttpServletResponse response) {
        BackForm backForm = (BackForm) form;
        backForm.setBackContent(Chinese.toChinese(backForm.getBackContent()));
        backForm.setLeaveId(backForm.getLeaveId());
        backForm.setBackWho(Chinese.toChinese(backForm.getBackWho()));
        dao.insertBack(backForm);
        request.setAttribute("success", "回复留言成功！！！");
        return mapping.findForward("insertBack");
    }

//===============================================================================
    public ActionForward selectBack(ActionMapping mapping, ActionForm form,
                                    HttpServletRequest request,
                                    HttpServletResponse response) {
        List list = dao.selectLeave(Integer.valueOf(request.getParameter("sign")));
        int pageNumber = list.size(); //计算出有多少条记录
        int maxPage = pageNumber; //计算有多少页数
        String number = request.getParameter("i");
        if (maxPage % 2 == 0) {
            maxPage = maxPage /2;
        } else {
            maxPage = maxPage / 2 + 1;
        }
        if (number == null) {
            number = "0";
        }
        request.setAttribute("number", String.valueOf(number));
        request.setAttribute("maxPage", String.valueOf(maxPage));
        request.setAttribute("pageNumber", String.valueOf(pageNumber));
        request.setAttribute("list", list);
        request.setAttribute("formList",talk.selectTalk(Integer.valueOf(request.getParameter("sign"))));
        return mapping.findForward("selectBack");
    }
//================================================================================

    public ActionForward deletetBack(ActionMapping mapping, ActionForm form,
                                  HttpServletRequest request,
                                  HttpServletResponse response) {
        dao.deleteBack(Integer.valueOf(request.getParameter("id")));
    return mapping.findForward("deletetBack");
    }
}