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我已經使用spring框架創建了一個簡單的購物車項目。我創建了一個按鈕添加到購物車,以便點擊它時將創建該項目的會話。我有以下代碼jsp中彈出Mvc顯示會話
<button href="/addcart/1">Add to button</button>
這是我的控制器
@RequestMapping("/addcart/{id}")
public ModelAndView goCart(@PathVariable("id")int id,HttpServletRequest request, HttpSession session) {
List<CartItem> cart = new ArrayList<CartItem>();
cart.add(new CartItem(productService.findProductCart(id),1));
session.setAttribute("cart", cart);
ModelAndView model = new ModelAndView();
model.setViewName("cart");
return model;
}
這是我CartItem類
public class CartItem {
private List<Product> product;
private int quantity;
public List<Product> getProduct() {
return product;
}
public void setProduct(List<Product> product) {
this.product = product;
}
public int getQuantity() {
return quantity;
}
public void setQuantity(int quantity) {
this.quantity = quantity;
}
public CartItem(List<Product> product, int quantity) {
super();
this.product = product;
this.quantity = quantity;
}
public CartItem() {
super();
}
}
這是我的產品類
public class Product {
private int pid;
private String productName;
private int unitPrice;
public int getPid() {
return pid;
}
public void setPid(int pid) {
this.pid = pid;
}
public String getProductName() {
return productName;
}
public void setProductName(String productName) {
this.productName = productName;
}
public int getUnitPrice() {
return unitPrice;
}
public void setUnitPrice(int unitPrice) {
this.unitPrice = unitPrice;
}
}
我有一個此pr的productServiceImpl類oductDaoImpl
@Override
public List<Product> findProductCart(int id) {
List<Product> cartProduct = new ArrayList<Product>();
String sql = "select * from product where pid= " + id;
JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
cartProduct = jdbcTemplate.query(sql, new ProductRowMapper());
return cartProduct;
}
我有鑑於JSP與下面的代碼
<c:forEach var="item" items="${sessionScope.cart}">
<li>${item.quantity}</li>
<li>${item}</li>
</c:forEach>
這給
1
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如何顯示會話值產品名稱和單價?任何建議都受到歡迎。在此先感謝
在jsp forEach循環中打印'$ {item.product [0] .productName}'和'$ {item.product [0] .unitPrice}'時會得到什麼? – harshavmb
@harshavmb謝謝 它解決了我的問題 –