基于struts和itabis的图书管理系统

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.BorrowBookForm; import com.dao.BorrowBookDao; import org.apache.struts.actions.DispatchAction; import com.actionForm.BookForm; import com.dao.BookDao; import com.dao.ReaderDao; import com.actionForm.ReaderForm; import com.tool.ShowTime; import java.util.List; public class BorrowBookAction extends DispatchAction { private BorrowBookDao borrowBookDao = new BorrowBookDao(); private ReaderDao readerDao = new ReaderDao(); private BookDao bookDao = new BookDao(); private ShowTime showTime = new ShowTime(); // 借书第一步 public ActionForward borrowBookLendOne(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { return mapping.findForward("BorrowBookLendOne"); } // 借书第二步 public ActionForward borrowBookLendTwo(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { String message = ""; ReaderForm readerForm = new ReaderForm(); readerForm.setBookCardMark(request.getParameter("readerCard")); ReaderForm reader = readerDao.selectReader(readerForm); if (reader == null) { // 判断借书证书是否已经存在以及判断是否已经过期 message = "您输入的借书人证号不存在！！！"; } else { java.sql.Date currentTime = java.sql.Date.valueOf(showTime .showCurrentTime()); java.sql.Date overTime = java.sql.Date .valueOf(reader.getOverTime()); if (currentTime.after(overTime)) { message = "您的借书人证件已经过期了,不能够再借书了！！！"; } } BorrowBookForm borrowBookForm = (BorrowBookForm) form; borrowBookForm.setReaderCard(request.getParameter("readerCard")); borrowBookForm.setLend("0"); BorrowBookForm borrowBook=borrowBookDao.selectBorrowBookGoOn(borrowBookForm); if (borrowBook != null&& message.equals("")) { // 判断该用户是否已经借过书 message = "您已经借过一本书了，不能再借了！！！"; } if (!message.equals("")) { // 主要的执行结果 request.setAttribute("message", message); return mapping.findForward("BorrowBookLendOne"); } return mapping.findForward("BorrowBookLendTwo"); } // 借书第三步 public ActionForward borrowBookLendThree(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { BookForm bookForm = new BookForm(); bookForm.setLineNumber(request.getParameter("bookLink")); BookForm book = bookDao.selectBook(bookForm); // =============== BorrowBookForm borrowBookForm = (BorrowBookForm) form; borrowBookForm.setBooklink(Integer.parseInt(request .getParameter("bookLink"))); borrowBookForm.setLend("0"); List borrowBookList = borrowBookDao .selectBorrowBookNumber(borrowBookForm); String message = ""; if (book == null) { message = "您所要借的图书不存在！！！"; } else { int mistake = book.getBookSum() - borrowBookList.size(); if (mistake < 3) { message = "您所要借的图书在库存中不足3本，不能借了！！！"; } } // =========== if (!message.equals("")) { request.setAttribute("message", message); return mapping.findForward("BorrowBookLendTwo"); } ReaderForm readerForm = new ReaderForm(); readerForm.setBookCardMark(request.getParameter("readerCard")); ReaderForm reader = readerDao.selectReader(readerForm); request.setAttribute("bookForm", book); request.setAttribute("readerForm", reader); return mapping.findForward("borrowBookLendThree"); } // 借书第四步 public ActionForward borrowBookLendFour(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { BorrowBookForm borrowBookForm = (BorrowBookForm) form; borrowBookForm.setBookAuthor(borrowBookForm.getBookAuthor()); borrowBookForm.setBooklink(borrowBookForm.getBooklink()); borrowBookForm.setBookName(borrowBookForm.getBookName()); borrowBookForm.setBookPrice(borrowBookForm.getBookPrice()); borrowBookForm.setBookPunbilc(borrowBookForm.getBookPunbilc()); borrowBookForm.setLend("0"); borrowBookForm.setLendPrice(borrowBookForm.getLendPrice()); borrowBookForm.setOperation(borrowBookForm.getOperation()); borrowBookForm.setReaderCard(borrowBookForm.getReaderCard()); borrowBookForm.setStartTime(borrowBookForm.getStartTime()); borrowBookForm.setOverTime(borrowBookForm.getOverTime()); if (borrowBookDao.insertBorrowBook(borrowBookForm)) { request.setAttribute("message", "图书借阅成功"); } else { request.setAttribute("message", "图书借阅成功"); } return mapping.findForward("BorrowBookLendOne"); } // 图书继借第一步 public ActionForward borrowBookLendGoOne(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { return mapping.findForward("borrowBookLendGoOne"); } // 图书继借第二步 public ActionForward borrowBookLendGoTwo(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { BorrowBookForm borrowBookForm = (BorrowBookForm) form; borrowBookForm.setReaderCard(request.getParameter("readerCard")); borrowBookForm.setLend("0"); BorrowBookForm borrowBook = borrowBookDao .selectBorrowBookGoOn(borrowBookForm); String message = ""; if (borrowBook == null) { message = "您输入的借书人证号不存在！！！"; } else { if(borrowBook.getLend().equals("1")){ request.setAttribute("message", "该图书已经归还！！！"); return mapping.findForward("borrowBookLendGoOne"); } java.sql.Date currentTime = java.sql.Date.valueOf(showTime .showCurrentTime()); java.sql.Date overTime = java.sql.Date.valueOf(borrowBook .getOverTime()); if (currentTime.after(overTime)) { message = "您输入的图书证号已经过期了。<br>请归还此书！！！"; } } // =================== if (message.equals("")) { request.setAttribute("form", borrowBook); return mapping.findForward("borrowBookLendGoTwo"); } else { request.setAttribute("message", message); return mapping.findForward("borrowBookLendGoOne"); } } // 续借第三步 public ActionForward borrowBookLendGoThree(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { BorrowBookForm borrowBookForm = (BorrowBookForm) form; borrowBookForm.setReaderCard(request.getParameter("readerCard")); borrowBookForm.setStartTime(request.getParameter("startTime")); borrowBookForm.setOverTime(request.getParameter("overTime")); borrowBookForm.setOperation(request.getParameter("operation")); if (borrowBookDao.updateBorrowBook(borrowBookForm)) { request.setAttribute("message", "图书续借成功！！！"); } else { request.setAttribute("message", "图书续借失败！！！"); } return mapping.findForward("borrowBookLendGoOne"); } // 图书归还第一步 public ActionForward lendBookOne(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { return mapping.findForward("lendBookOne"); } // 图书归还第二步 public ActionForward lendBookTwo(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { BorrowBookForm borrowBookForm = (BorrowBookForm) form; borrowBookForm.setReaderCard(request.getParameter("readerCard")); borrowBookForm.setLend("0"); BorrowBookForm borrowBook = borrowBookDao .selectBorrowBookGoOn(borrowBookForm); if (borrowBook == null) { request.setAttribute("message", "您输入的借书人证号不存在，请重新输入！！！"); return mapping.findForward("lendBookOne"); } else { if(borrowBook.getLend().equals("1"