/*Admin Book*/
 @RequestMapping(
     value = "/getBooks/{pageNo}/{pageSize}",
     method = {RequestMethod.GET, RequestMethod.POST},
     produces = "application/json")
 public List<Book> getBooks(@PathVariable int pageNo, @PathVariable int pageSize) {
   return bookdao.getAllBooks(pageNo, pageSize);
 }
 @RequestMapping(
     value = "/deleteBook",
     method = {RequestMethod.GET, RequestMethod.POST},
     consumes = "application/json")
 public List<Book> deleteBook(@RequestBody Book book) {
   bookdao.deleteBook(book);
   return bookdao.getAllBooks(1, 5);
 }