@RequestMapping(params = "method=add")
public String add(Book book) {
System.out.println("bookname:" + book.getName());
System.out.println("author:" + book.getAuthor());
bookService.add(book);
return "success";
}
@RequestMapping(params = "method=update")
public String update(Book book) {
bookService.update(book);
return "success";
}