booksellaction.java

图书管理系统 jsp+tomcat+sql2000

package com.action;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import com.actionForm.BookSellForm;
import org.apache.struts.actions.DispatchAction;
import com.dao.BookSellDao;

public class BookSellAction extends DispatchAction {

    private BookSellDao dao = new BookSellDao();

    public ActionForward deleteBookSellAction(ActionMapping mapping,
                                              ActionForm form,
                                              HttpServletRequest request,
                                              HttpServletResponse response) {
        BookSellForm bookSellForm = (BookSellForm) form;
        bookSellForm.setId(Integer.parseInt(request.getParameter("id")));
        dao.deleteBookSell(bookSellForm);
         request.setAttribute("message", "该图书售出删除成功！！！");
        return mapping.findForward("bookSellResult");
    }


    //图书销售查询
    public ActionForward selectBookSellAction(ActionMapping mapping,
                                              ActionForm form,
                                              HttpServletRequest request,
                                              HttpServletResponse response) {
        int number = 0;
        if (request.getParameter("number") != null) {
            number = Integer.parseInt(request.getParameter("number"));
        }
        request.setAttribute("number", String.valueOf(number));
        request.setAttribute("maxPage",
                             String.valueOf(dao.selectBookSell()));
        request.setAttribute("list", dao.selectBookSell(number));

        return mapping.findForward("selectBookSellAction");
    }

    //图书售出
    public ActionForward insertBookSellAction(ActionMapping mapping,
                                              ActionForm form,
                                              HttpServletRequest request,
                                              HttpServletResponse response) {
        BookSellForm bookSellForm = (BookSellForm) form;
        bookSellForm.setBookCard(bookSellForm.getBookCard());
        bookSellForm.setBookName(bookSellForm.getBookName());
        bookSellForm.setBookPrice(bookSellForm.getBookPrice());
        bookSellForm.setSellNumber(bookSellForm.getSellNumber());
        if (dao.insertBook(bookSellForm)) {
        } else {
            dao.addBookSell(bookSellForm);
        }
        request.setAttribute("message", "该图书售出成功！！！");
        return mapping.findForward("bookSellResult");
    }


    //跳转到图书购买页面
    public ActionForward forwardPage(ActionMapping mapping, ActionForm form,
                                     HttpServletRequest request,
                                     HttpServletResponse response) {
  
        if (request.getParameter("sign") != null) {
    
        	
        	
        	
            return mapping.findForward("forwardSelectBook");
        }

        
        
        return mapping.findForward("selectBook");
    }
}