Description or Example
# 核心代码
```java
@RequestMapping("/updateStatus/byOrderSn/{orderSn}")
public R updateOrderStatus(@PathVariable String orderSn) {
try {
Boolean isSuccess = orderService.updateOrderStatusByOrderSn(orderSn);
if (isSuccess) return R.ok();
return R.error("更新失败");
}catch (Exception e) {
return R.error("更新失败");
}
}
```
```java
public Boolean updateOrderStatusByOrderSn(String orderSn) {
LambdaUpdateWrapper<OrderEntity> updateWrapper = new LambdaUpdateWrapper<>();
updateWrapper.eq(OrderEntity::getOrderSn, orderSn).set(OrderEntity::getStatus, OrderStatusEnum.CANCLED.getCode());
return this.update(updateWrapper);
}
```