实例介绍
【实例截图】
首页:
添加地址:
购物车:
http://localhost:8080/BookStore/manageAction.do 后台登录: admin 123456
【核心代码】
public class ProductAction extends ActionSupport { private int bookId; private String ISBN; private String bookName; private String synopsis; private String publish; private Date publishingTime; private int page; private double price; private String bookBigPic; private String bookSmaPic; private int bookStatus; private BookType bookType; private int bookTypeId; private int pageIndex; private int totalPages; private static int pageSize; private List bookTypes; private List books; private Book book; private String keyWord; //关键字 private File myFile1 ; private String myFile1FileName; private String myFile1ContentType; //文件类型 @Resource private BookTypeService bookTypeService; @Resource private BookService bookService; static { pageSize = 8; } //关键字查书名 public String showBookByKeyWord(){ books = bookService.searchingBook(keyWord); return SUCCESS; } //返回热卖图书 public String showBookByHot(){ books = bookService.showHotBook(pageSize); pageIndex = 1; totalPages = 1; return SUCCESS; } //跳转到添加图书页面 public String toAddBook(){ bookTypes = bookTypeService.showBookTypes(); return SUCCESS; } //添加图书 public String addBook(){ book = new Book(); book.setBookName(bookName); book.setBookStatus(bookStatus); bookType = bookTypeService.showBookTypeById(bookTypeId); book.setBookType(bookType); book.setISBN(ISBN); book.setPage(page); book.setPrice(price); book.setPublish(publish); book.setPublishingTime(publishingTime); book.setSynopsis(synopsis); if(myFile1!=null){ String fileName = new Date().getTime() getExtention(myFile1FileName); String url = ServletActionContext.getServletContext().getRealPath("images/smaPic"); File imageFile = new File(url,fileName); try { FileUtils.copyFile(myFile1, imageFile); } catch (Exception e) { e.printStackTrace(); } book.setBookBigPic(fileName); book.setBookSmaPic(fileName); } bookService.addBook(book); return SUCCESS; } //查看所有类型图书 public String showAllBook(){ totalPages = bookService.getTotalPages(pageSize); if(pageIndex<1){ pageIndex = 1; }else if(pageIndex>totalPages){ pageIndex = totalPages; } books = bookService.PageBook(pageSize, pageIndex); return SUCCESS; } //查看同一类型图书 public String showBookByType(){ totalPages = bookService.getTotalPagesByType(pageSize, bookTypeId); if(totalPages == 0) totalPages=1; if(pageIndex<1){ pageIndex = 1; }else if(pageIndex>totalPages){ pageIndex = totalPages; } books = bookService.PageBookByType(pageSize, pageIndex, bookTypeId); return SUCCESS; } //通过ID查看图书具体信息 public String showBookById(){ book = bookService.showBookById(bookId); return SUCCESS; } //删除图书信息 public String deleteBook(){ String url = ServletActionContext.getServletContext().getRealPath("images/smaPic"); File imageFile = new File(url,bookSmaPic); if(imageFile.exists()){ if(imageFile.delete()){ bookService.deleteBook(bookId); return SUCCESS; } }else{ bookService.deleteBook(bookId); return SUCCESS; } return INPUT; } //跳转至修改图书信息界面 public String toModifyBook(){ bookTypes = bookTypeService.showBookTypes(); book = bookService.showBookById(bookId); return SUCCESS; } //修改图书信息 public String modifyBook(){ book = new Book(); book.setBookName(bookName); book.setBookStatus(bookStatus); book.setBookId(bookId); bookType = bookTypeService.showBookTypeById(bookTypeId); book.setBookType(bookType); book.setISBN(ISBN); book.setPage(page); book.setPrice(price); book.setPublish(publish); book.setPublishingTime(publishingTime); book.setSynopsis(synopsis); if(myFile1!=null){ String fileName = new Date().getTime() getExtention(myFile1FileName); String url = ServletActionContext.getServletContext().getRealPath("images/smaPic"); File imageFile = new File(url,fileName); try { FileUtils.copyFile(myFile1, imageFile); } catch (Exception e) { e.printStackTrace(); } book.setBookBigPic(fileName); book.setBookSmaPic(fileName); File deleteFile = new File(url,bookSmaPic); if(deleteFile.exists()){ deleteFile.delete(); } }else{ book.setBookBigPic(bookSmaPic); book.setBookSmaPic(bookSmaPic); } bookService.updateBook(book); return SUCCESS; } /** * 获取后缀名 * @param fileName 文件名 * @return 后缀名 */ private static String getExtention(String fileName) { int pos = fileName.lastIndexOf("."); return fileName.substring(pos); }
}
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