SpringBoot订单代码
时间: 2023-07-02 07:07:12 浏览: 54
以下是一个简单的Spring Boot订单处理代码示例:
1. 创建Order类
```
@Entity
@Table(name = "orders")
public class Order {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(name = "customer_name", nullable = false)
private String customerName;
@Column(name = "order_date", nullable = false)
private Date orderDate;
// 构造函数、getter和setter方法省略
}
```
2. 创建OrderRepository
```
public interface OrderRepository extends JpaRepository<Order, Long> {
}
```
3. 创建OrderService
```
@Service
public class OrderService {
@Autowired
private OrderRepository orderRepository;
public List<Order> getAllOrders() {
return orderRepository.findAll();
}
public Order getOrderById(Long id) {
return orderRepository.findById(id).orElseThrow(() -> new ResourceNotFoundException("Order", "id", id));
}
public Order createOrder(Order order) {
return orderRepository.save(order);
}
public Order updateOrder(Long id, Order orderDetails) {
Order order = getOrderById(id);
order.setCustomerName(orderDetails.getCustomerName());
order.setOrderDate(orderDetails.getOrderDate());
return orderRepository.save(order);
}
public void deleteOrder(Long id) {
Order order = getOrderById(id);
orderRepository.delete(order);
}
}
```
4. 创建OrderController
```
@RestController
@RequestMapping("/api/orders")
public class OrderController {
@Autowired
private OrderService orderService;
@GetMapping("")
public List<Order> getAllOrders() {
return orderService.getAllOrders();
}
@GetMapping("/{id}")
public Order getOrderById(@PathVariable(value = "id") Long id) {
return orderService.getOrderById(id);
}
@PostMapping("")
public Order createOrder(@Valid @RequestBody Order order) {
return orderService.createOrder(order);
}
@PutMapping("/{id}")
public Order updateOrder(@PathVariable(value = "id") Long id, @Valid @RequestBody Order orderDetails) {
return orderService.updateOrder(id, orderDetails);
}
@DeleteMapping("/{id}")
public ResponseEntity<?> deleteOrder(@PathVariable(value = "id") Long id) {
orderService.deleteOrder(id);
return ResponseEntity.ok().build();
}
}
```
以上代码演示了如何使用Spring Boot来处理订单。在这个例子中,我们创建了一个Order类,一个OrderRepository类,一个OrderService类和一个OrderController类。我们使用JPA来访问数据库,并使用Spring MVC来处理HTTP请求。在OrderController类中,我们定义了GET、POST、PUT和DELETE方法来处理订单。
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