图书馆管理系统.zip

package Action; import Dao.BookDao; import Entity.Book; import Entity.User; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; public class BookAction extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); String action = request.getParameter("action"); if(action.equals("getall")){ this.getAll(request, response); } else if(action.equals("addtemp")) { this.addtemp(request, response); } else if(action.equals("gettemp")) { this.gettemp(request, response); } else if(action.equals("confirm")) { this.confirm(request, response); } else if(action.equals("querybookbyid")){ this.QueryBookById(request, response); } else if(action.equals("DeleteById")){ this.DeleteById(request, response); } else if(action.equals("EditDone")){ this.EditDone(request, response); } else if(action.equals("truncatetable")){ this.truncatetable(request, response); } } private void getAll(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { BookDao bdao = new BookDao(); ArrayList<Book> bookArrayList = bdao.getAllBook(); HttpSession session = request.getSession(); session.setAttribute("allbooklist", bookArrayList); request.getRequestDispatcher("/booklist.jsp").forward(request, response); } private void addtemp(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ String next = request.getParameter("over"); BookDao bdao = new BookDao(); Book book = new Book(); if(!request.getParameter("bookid").equals("")) book.setId(request.getParameter("bookid")); if(!request.getParameter("bookname").equals("")) book.setName(request.getParameter("bookname")); if(!request.getParameter("bookauthor").equals("")) book.setAuthor(request.getParameter("bookauthor")); if(!request.getParameter("bookpublisher").equals("")) book.setPublisher(request.getParameter("bookpublisher")); if(!request.getParameter("bookcategory").equals("")) book.setCategory(request.getParameter("bookcategory")); if(!request.getParameter("bookprice").trim().equals("")) book.setPrice(Integer.parseInt(request.getParameter("bookprice"))); if(!request.getParameter("bookstore").trim().equals("")) book.setStore(Integer.parseInt(request.getParameter("bookstore"))); if(!request.getParameter("booklocation").equals("")) book.setLocation(request.getParameter("booklocation")); if(!request.getParameter("bookdesc").equals("")) book.setDesc(request.getParameter("bookdesc")); if(!request.getParameter("bookid").equals("")) bdao.addtemp(book); if(next.equals("0")) request.getRequestDispatcher("/AddBook.jsp").forward(request, response); else this.gettemp(request,response); } private void gettemp(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ BookDao bdao = new BookDao(); ArrayList<Book> addbooklist = bdao.getadd(); HttpSession session = request.getSession(); session.setAttribute("addbooklist", addbooklist); request.getRequestDispatcher("/addconfirm.jsp").forward(request,response); } private void confirm(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ BookDao bdao = new BookDao(); bdao.confirm(); this.getAll(request, response); } private void QueryBookById(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ BookDao bdao = new BookDao(); String id = request.getParameter("id"); String next = request.getParameter("next"); Book book = bdao.QueryBookById(id); HttpSession session = request.getSession(); session.setAttribute("resultbook", book); PrintWriter out = response.getWriter(); if(next.equals("check")) request.getRequestDispatcher("/detail.jsp").forward(request, response); else if(next.equals("edit")) request.getRequestDispatcher("/edit.jsp").forward(request, response); else if(next.equals("borrowcheck")){ out.write(book.getName() + "||" + book.getAuthor() + "||" + book.getPublisher() + "||" + book.getRemain()); } else if(next.equals("existcheck")){ out.write(book.getName()); } } private void DeleteById(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ BookDao bdao = new BookDao(); String id = request.getParameter("id"); bdao.DeleteById(id); this.getAll(request, response); } private void EditDone(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ BookDao bdao = new BookDao(); Book book = new Book(); if(!request.getParameter("id").equals("")) book.setId(request.getParameter("id")); if(!request.getParameter("name").equals("")) book.setName(request.getParameter("name")); if(!request.getParameter("author").equals("")) book.setAuthor(request.getParameter("author")); if(!request.getParameter("publisher").equals("")) book.setPublisher(request.getParameter("publisher")); if(!request.getParameter("category").equals("")) book.setCategory(request.getParameter("category")); if(!request.getParameter("price").trim().equals("")) book.setPrice(Integer.parseInt(request.getParameter("price"))); if(!request.getParameter("store").trim().equals("")) book.setStore(Integer.parseInt(request.getParameter("store"))); if(!request.getParameter("location").equals("")) book.setLocation(request.getParameter("location")); if(!request.getParameter("desc").equals("")) book.setDesc(request.getParameter("desc")); if(!request.getParameter("id").equals("")) bdao.addtemp(book); bdao.EditDone(book); request.getRequestDispatcher("BookAction?action=querybookbyid&id=<%=b.getId()%>&next=check").forward(request, response); } private void truncatetable(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ BookDao bookDao = new BookDao(); bookDao.truncatetable(); this.gettemp(request, response); } }