public static String XMLContent(List<Book> books, Writer writer)
{
XmlSerializer serializer = Xml.newSerializer();
try {
serializer.setOutput(writer);
serializer.startDocument("UTF-8", true);
serializer.startTag("", "books");
for (Book book : books) {
serializer.startTag("", "book");
serializer.attribute("", "id", String.valueOf(book.getId()));
serializer.startTag("", "name");
serializer.text(book.getName());
serializer.endTag("", "name");
serializer.startTag("", "price");
serializer.text(String.valueOf(book.getPrice()));
serializer.endTag("", "price");
serializer.endTag("", "book");
}
serializer.endTag("", "books");
serializer.endDocument();
return writer.toString();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
@Override
public int visit(Book book) {
int prix = 0;
prix = book.getPrice();
System.out.println("Le livre " + book.getTitre() + " coûte " + prix);
return prix;
}
public void remove() {
System.out.println("elo");
bookList.remove(1);
for (Book book : bookList) {
System.out.println(book.getId() + " " + book.getTitle() + " " + book.getPrice());
}
}
public boolean equals(Object obj) {
if (!(obj instanceof Book)) return false;
Book book = (Book) obj;
return (this.ISBN == book.getISBN()
&& this.getTitle().equals(book.getTitle())
&& this.getAuthor().equals(book.getAuthor())
&& this.getPrice() == book.getPrice());
}
public static void main(String args[]) {
Author schildt = new Author("Herbert Schildt", "*****@*****.**");
System.out.println(schildt.getName() + " at " + schildt.getEmail());
Author bjarne = new Author("Bjarne Stroustrup");
bjarne.setEmail("*****@*****.**");
bjarne.print();
Book b1 = new Book("Teach Yourself C++", schildt);
b1.setPrice(150.5);
b1.setStock(50);
System.out.println(
"Author: "
+ b1.getAuthorName()
+ " Name: "
+ b1.getName()
+ " Price: "
+ b1.getPrice()
+ " Stock: "
+ b1.getStock());
b1.borrowBook(20);
b1.returnBook(10);
System.out.println(
"Author: "
+ b1.getAuthorName()
+ " Name: "
+ b1.getName()
+ " Price: "
+ b1.getPrice()
+ " Stock: "
+ b1.getStock());
Book b2 = new Book("The C++ Programming Language", bjarne, 200, 20);
b2.print();
b2.returnBook(10);
b2.borrowBook(50);
b2.print();
b1.getAuthor().print();
b2.getAuthor().print();
}
@Override
public BusinessResult buy(String userId, String bookId) throws DataAccessException {
UserBook userBook = new UserBook();
User user = mutableDataAccess.findById(User.class, userId);
Book book = mutableDataAccess.findById(Book.class, bookId);
Map<String, Object> map = new HashMap<String, Object>();
map.put("userId", userId);
map.put("bookId", bookId);
List<UserBook> userBooks = mutableDataAccess.paging(UserBook.class, 1, 1, map);
if (userBooks.size() > 0) {
if (userBooks.get(0).isHasBuyed() && book.getPrice() > 0) {
return new BusinessResult(BusinessResult.ResultStatus.FAIL, "该书已经购买，不需要重复购买");
}
userBook = userBooks.get(0);
}
userBook.setBookId(bookId);
userBook.setUserId(userId);
if (book.getPrice() <= 0) {
userBook.setHasBuyed(userBook.isHasBuyed());
mutableDataAccess.save(userBook);
return new BusinessResult(BusinessResult.ResultStatus.OK, "免费书籍,已经保存到书架上");
} else {
if (user.getCredits() < book.getPrice()) {
return new BusinessResult(BusinessResult.ResultStatus.FAIL, "购买失败，您的信用值余额不足，请充值");
} else {
user.setCredits(user.getCredits() - book.getPrice());
userBook.setHasBuyed(true);
userBook.setUser(user);
userBook.setBook(book);
mutableDataAccess.save(user);
book.setSellAmount(book.getSellAmount() + 1);
mutableDataAccess.save(book);
mutableDataAccess.save(userBook);
return new BusinessResult(BusinessResult.ResultStatus.OK, "购买成功，已经保存到书架上");
}
}
}
// Example of sorting by TWO keys
@Override
public int compareTo(Book other) {
int result = 0;
if (author.equals(other.getAuthor())) {
// Authors are the same. We need to look at the price
// to determine which book should come first
if (price < other.getPrice()) {
// This price is cheaper. Put it at the top
// of the list
result = -1;
} else if (price == other.getPrice()) {
result = 0;
} else {
result = 1;
}
} else {
// Authors are NOT the same
result = author.compareTo(other.getAuthor());
}
return result;
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
runEnterAnimation(holder.itemView, position);
Book book = mBooks.get(position);
holder.tvTitle.setText(book.getTitle());
String desc =
"作者: "
+ book.getAuthor()[0]
+ "\n副标题: "
+ book.getSubtitle()
+ "\n出版年: "
+ book.getPubdate()
+ "\n页数: "
+ book.getPages()
+ "\n定价:"
+ book.getPrice();
holder.tvDesc.setText(desc);
Glide.with(holder.ivBook.getContext()).load(book.getImage()).fitCenter().into(holder.ivBook);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_create_book);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
int position = getIntent().getIntExtra("position", 0);
currentBook = SimpleBookManager.getInstance().getBook(position);
title = (EditText) findViewById(R.id.textViewNameTitle);
title.setText(currentBook.getTitle());
author = (EditText) findViewById(R.id.textViewNameAuthor);
author.setText(currentBook.getAuthor());
course = (EditText) findViewById(R.id.textViewNameCourse);
course.setText(currentBook.getCourse());
price = (EditText) findViewById(R.id.textViewNamePrice);
price.setText(String.valueOf(currentBook.getPrice()));
isbn = (EditText) findViewById(R.id.textViewNameISBN);
isbn.setText(currentBook.getIsbn());
}
@Override
public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub
if (e.getSource() == table) {
if (e.getClickCount() == 2) // 더블클릭
{
int row = table.getSelectedRow();
String no = model.getValueAt(row, 0).toString();
bp.setPoster(Integer.parseInt(no));
bp.repaint();
Book book = bm.bookDetail(Integer.parseInt(no));
la1.setText("번호:" + no);
la2.setText("제목:" + book.getTitle());
la3.setText("저자:" + book.getAuthor());
la4.setText("출판사:" + book.getPublisher());
la5.setText("가격:" + book.getPrice());
}
} else if (e.getSource() == b) {
getData();
}
}
@Action(
value = "grouponBook",
interceptorRefs = {@InterceptorRef(value = "userActionStack")},
results = {@Result(name = SUCCESS, type = "json")})
public String grouponBook() {
PrintWriter writer = CommonUtil.getJsonPrintWriter(ServletActionContext.getResponse());
Book book = bookService.getBookByIsbn(isbn);
BookBase base = null;
if (book != null) {
base = new BookBase();
base.setIsbn(book.getIsbn());
base.setAuthor(book.getAuthor());
base.setPrice(book.getPrice());
base.setTitle(book.getTitle());
base.setPublisher(book.getPublisher());
}
String json = JSONObject.fromObject(base).toString();
writer.write(json);
writer.flush();
writer.close();
return SUCCESS;
}
public void show() {
System.out.println("nnnnnnnnnnn==" + name);
System.out.println(
"calling the show method==bookname=" + bk.getBookname() + "book price==" + bk.getPrice());
}
public static void main(String[] args) {
Book book = new Book("Discrete Math", "Qu", 20);
System.out.println("Title : " + book.getTitle());
System.out.println("Author : " + book.getAuthor());
System.out.println("Price : " + book.getPrice());
}
// 1 进入团购的页面
@Action(
value = "nextGrouponitemPage",
interceptorRefs = {@InterceptorRef(value = "userActionStack")},
results = {
@Result(name = SUCCESS, location = "/userPages/grouponitem.jsp"),
@Result(name = "over", location = "/userPages/cart.jsp")
})
public String nextGrouponitemPage() {
User findUser = (User) ServletActionContext.getRequest().getSession().getAttribute("user");
// if()
Groupon find = grouponService.getGroupon(groupon.getId());
Grouponitem grouponitem = new Grouponitem();
grouponitem.setId(page);
grouponitem.setGroupon(find);
Grouponitem findItem = grouponService.next(grouponitem);
// 如果没有找到,那么意味着查询已经结束
if (findItem == null) {
double fee = 0.0;
int num = 0;
List<Cart> result = new ArrayList<Cart>();
List<Cartitem> items = cartService.getGrouponitemsByUser(findUser.getId(), find.getId());
for (int i = 0; i < items.size(); i++) {
Cartitem cartitem = items.get(i);
num += cartitem.getNum();
if (cartitem.getSalesBook() == null) {
if (cartitem.getBook().getDiscount() == 0.0) {
cartitem.getBook().setDiscount(ConstantUtil.NEWBOOKDISCOUNT);
}
SalesBook newbookSalesBook =
salesBookService.getSalesBookByIsbnSeller(
cartitem.getBook().getIsbn(), ConstantUtil.NEWBOOKPRODUCT);
float discount = ConstantUtil.NEWBOOKDISCOUNT;
if (newbookSalesBook != null && newbookSalesBook.getDiscount() != null) {
discount = newbookSalesBook.getDiscount();
}
fee +=
cartitem.getNum() * Math.round(cartitem.getBook().getPrice() * discount * 10) / 10d;
} else {
fee += cartitem.getNum() * cartitem.getSalesBook().getPrice();
}
Cart cart = cartitem.getCart();
Cart findCart = getCartByList(cart.getId(), result);
if (findCart == null) {
Cart cartResult = new Cart();
cartResult.setId(cart.getId());
cartResult.setSeller(cart.getSeller());
cartResult.setCartitems(new HashSet());
cartResult.setTotalFee(cart.getTotalFee());
cartResult.setUser(cart.getUser());
cartResult.getCartitems().add(cartitem);
cartitem.setCart(cartResult);
result.add(cartResult);
} else {
findCart.getCartitems().add(cartitem);
cartitem.setCart(findCart);
}
}
System.out.println(result.size());
ActionContext.getContext().getValueStack().set("carts", result);
ActionContext.getContext().getValueStack().set("num", num);
ActionContext.getContext().getValueStack().set("fee", Math.round(fee * 10) / 10d);
return "over";
}
Book book = bookService.getBookByIsbn(findItem.getBook().getIsbn());
// 如果没有拿到数据，则返回空
ServiceArea serviceArea = findUser.getSchool().getServiceArea();
// 如果找到了，查看新书供应商有没有此数据，如果没有，那么就给新书供应商加进去
SalesBook newbookSalesBook =
salesBookService.getSalesBookByIsbnSeller(
findItem.getBook().getIsbn(), ConstantUtil.NEWBOOKPRODUCT);
Seller seller = sellerService.getSellerById(ConstantUtil.NEWBOOKPRODUCT);
SalesBook model =
salesBookService.getSalesBookByIsbnSeller(findItem.getBook().getIsbn(), seller.getId());
float bookDiscount;
if (newbookSalesBook == null) {
newbookSalesBook = new SalesBook();
newbookSalesBook.setSeller(seller);
newbookSalesBook.setBook(book);
newbookSalesBook.setTitle(book.getTitle());
newbookSalesBook.setAuthor(book.getAuthor());
newbookSalesBook.setStandardPrice(book.getPrice());
newbookSalesBook.setPublisher(book.getPublisher());
newbookSalesBook.setImage(book.getImage());
newbookSalesBook.setBigImage(book.getBigImage());
salesBookService.save(newbookSalesBook);
}
if (model == null) {
model = newbookSalesBook;
}
if (newbookSalesBook.getDiscount() == null) {
bookDiscount = ConstantUtil.NEWBOOKDISCOUNT;
} else {
bookDiscount = newbookSalesBook.getDiscount();
}
ActionContext.getContext().getValueStack().set("bookDiscount", bookDiscount);
newbookSalesBook.setDiscount(bookDiscount);
newbookSalesBook.setPrice(
Math.round(newbookSalesBook.getBook().getPrice() * bookDiscount * 10) / 10d);
newbookSalesBook.setNum(999);
SalesBook salesBook = newbookSalesBook;
School findSchool = findUser.getSchool();
List<SellerBean> sellerBeans =
salesBookService.getSellerBeans(
newbookSalesBook.getBook().getIsbn(), findSchool.getServiceArea().getId());
int totalNum = cartService.getGrouponitemsByUser(findUser.getId(), find.getId()).size();
ActionContext.getContext().getValueStack().set("sellerBeans", sellerBeans);
ActionContext.getContext().getValueStack().set("item", findItem);
Seller newBookSeller = sellerService.getSellerById(ConstantUtil.NEWBOOKPRODUCT);
ActionContext.getContext().getValueStack().set("totalNum", totalNum);
ActionContext.getContext().getValueStack().set("model", model);
ActionContext.getContext().getValueStack().set("newBookSeller", newBookSeller);
ActionContext.getContext()
.getValueStack()
.set("price", Math.round(newbookSalesBook.getBook().getPrice() * bookDiscount * 10) / 10d);
// 获得这个学校所有的团购项目
return SUCCESS;
}
public Float getItemPrice() {
return book.getPrice() * quantity;
}
