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订单支付接口--锁优化

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This commit is contained in:
xchb 2021-12-11 17:46:47 +08:00
parent a0bfa1e919
commit 20f4959766
1 changed files with 37 additions and 25 deletions
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62
mall-oms/oms-boot/src/main/java/com/youlai/mall/oms/service/impl/OrderServiceImpl.java
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@ -301,36 +301,48 @@ public class OrderServiceImpl extends ServiceImpl<OrderMapper, OmsOrder> impleme
throw new BizException("订单不存在");
}
RLock lock = redissonClient.getLock(ORDER_SN_PREFIX + order.getOrderSn());
boolean flag = false;
try {
lock.tryLock(0L, 10L, TimeUnit.SECONDS);
//尝试获取锁，获取不到会立马返回 false
flag = lock.tryLock(0L, 10L, TimeUnit.SECONDS);
if(!flag){
throw new BizException("订单不可重复支付");
}
if (!OrderStatusEnum.PENDING_PAYMENT.getCode().equals(order.getStatus())) {
throw new BizException("支付失败，请检查订单状态");
}
T result;
switch (payTypeEnum) {
case WEIXIN_JSAPI:
result = (T) wxJsapiPay(appId, order);
break;
default:
case BALANCE:
result = (T) balancePay(order);
}
// 扣减库存
Result<?> deductStockResult = stockFeignClient.deductStock(order.getOrderSn());
if (!Result.isSuccess(deductStockResult)) {
throw new BizException("扣减商品库存失败");
}
return result;
} catch (InterruptedException e) {
log.error(e.getMessage(), e);
throw new BizException("订单不可重复支付");
throw new BizException("锁订单异常");
} catch (Exception e){
//异常继续往上抛
throw e;
}finally {
//释放锁
if(flag){
lock.unlock();
}
}
if (!OrderStatusEnum.PENDING_PAYMENT.getCode().equals(order.getStatus())) {
throw new BizException("支付失败，请检查订单状态");
}
T result;
switch (payTypeEnum) {
case WEIXIN_JSAPI:
result = (T) wxJsapiPay(appId, order);
break;
default:
case BALANCE:
result = (T) balancePay(order);
}
// 扣减库存
Result<?> deductStockResult = stockFeignClient.deductStock(order.getOrderSn());
if (!Result.isSuccess(deductStockResult)) {
throw new BizException("扣减商品库存失败");
}
lock.unlock();
return result;
}
private Boolean balancePay(OmsOrder order) {