// 导出商品
public void load(String content) {
if (content == null || content.equals("0")) {
return;
}
String[] pcs = content.split(";");
for (int i = 0; i < pcs.length; i++) {
String pc = pcs[i];
String[] strs = pc.split(",");
int id = Integer.parseInt(strs[0]);
int qty = Integer.parseInt(strs[1]);
boolean buy = Boolean.parseBoolean(strs[2]);
try {
Product pro = productDAO.findById(id);
CartItem item = new CartItem();
item.setProduct(pro);
item.setQty(qty);
item.setBuy(buy);
store.add(item);
} catch (Exception e) {
e.printStackTrace();
}
}
}
// 修改商品数量
public void modify(int pid, int qty) throws Exception {
for (CartItem item : store) {
if (item.getProduct().getId() == pid) {
item.setQty(qty);
}
}
}
// 恢复商品
public void recovery(int pid) throws Exception {
for (CartItem item : store) {
if (item.getProduct().getId() == pid) {
item.setBuy(true);
}
}
}
// 删除商品
public void delete(int pid) throws Exception {
for (CartItem item : store) {
if (item.getProduct().getId() == pid) {
item.setBuy(false);
}
}
// CookieUtil.addCookie(Constant.CART, cart.store(), response);
}
public List<CartItem> getPros() throws Exception {
List<CartItem> items = new ArrayList<CartItem>();
for (CartItem item : store) {
if (item.isBuy()) {
items.add(item);
}
}
return items;
}
// 计算商品总金额
public double cost() throws Exception {
double total = 0;
for (CartItem item : store) {
if (item.isBuy() == true) {
total += item.getProduct().getDangPrice() * item.getQty();
}
}
return total;
}
/*
*
* 计算节省价钱
*/
public double sale() throws Exception {
double save = 0;
for (CartItem item : store) {
if (item.isBuy() == true) {
save +=
(item.getProduct().getFixedPrice() - item.getProduct().getDangPrice()) * item.getQty();
}
}
return save;
}
public String store() {
StringBuffer sub = new StringBuffer();
if (store.size() == 0) {
sub.append("0"); // 导入时做判断
} else {
for (int i = 0; i < store.size(); i++) {
CartItem item = store.get(i);
sub.append(item.getProduct().getId() + "," + item.getQty() + "," + item.isBuy() + ";");
}
}
// if(sub.length()>1){
// sub.deleteCharAt(sub.length()-1);
// }
return sub.toString();
}
public boolean buy(int id) throws Exception {
// 判断是否购买过
if (store == null) return false;
for (CartItem item : store) {
if (item.getProduct().getId() == id) {
return false;
}
}
// 未购买过
System.out.println(id + "进去了");
System.out.println(productDAO);
Product pro = productDAO.findById(id);
System.out.println("没结果");
// System.out.println(pro.getProductName());
CartItem item = new CartItem();
item.setProduct(pro);
store.add(item);
return true;
}