private void updateBookUI(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String id = request.getParameter("id");
Book b = bs.findBookById(Integer.parseInt(id));
List<Category> list = bs.getAllCategories();
request.setAttribute("b", b);
request.setAttribute("list", list);
request.getRequestDispatcher("/WEB-INF/jsp/updatebook.jsp").forward(request, response);
}
private void delBook(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String id = request.getParameter("id");
if (id == null || id.equals("")) {
request.setAttribute("message", "fail to delete the book...");
} else {
BusinessService bs = new BusinessServiceImpl();
bs.deleteBook(Integer.parseInt(id));
request.setAttribute("message", "delete the book successfully...");
}
request.getRequestDispatcher("/message.jsp").forward(request, response);
}
private void query(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String name = request.getParameter("name");
request.setAttribute("name", name);
QueryInfo qi = WebUtils.request2Bean(request, QueryInfo.class);
qi.setQueryString(name);
BusinessService bsi = new BusinessServiceImpl();
PageBean<Book> pb = bsi.querySpecficBook(qi);
request.setAttribute("pb", pb);
request.getRequestDispatcher("/WEB-INF/jsp/listbook.jsp").forward(request, response);
}
private void listBook(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// List<Book> list = bs.getBooks();
QueryInfo qi = WebUtils.request2Bean(request, QueryInfo.class);
PageBean<Book> pb = bs.queryBook(qi);
request.setAttribute("pb", pb);
request.getRequestDispatcher("/WEB-INF/jsp/listbook.jsp").forward(request, response);
}
private void addBookUI(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
List<Category> list = bs.getAllCategories();
request.setAttribute("list", list);
request.getRequestDispatcher("/WEB-INF/jsp/addbook.jsp").forward(request, response);
}