From c6f0d2d2b3fd0af17673690cabdb95018fc4d761 Mon Sep 17 00:00:00 2001 From: zainali5120 <512061637@qq.com> Date: Mon, 19 Oct 2020 15:30:41 +0800 Subject: [PATCH] 优化卖出限制,使用redis配置进行控制 --- src/main/java/com/xcong/excoin/modules/coin/service/impl/CoinServiceImpl.java | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-) diff --git a/src/main/java/com/xcong/excoin/modules/coin/service/impl/CoinServiceImpl.java b/src/main/java/com/xcong/excoin/modules/coin/service/impl/CoinServiceImpl.java index e7ddaae..61d617f 100644 --- a/src/main/java/com/xcong/excoin/modules/coin/service/impl/CoinServiceImpl.java +++ b/src/main/java/com/xcong/excoin/modules/coin/service/impl/CoinServiceImpl.java @@ -574,4 +574,26 @@ return Result.ok(allWalletCoinVo); } + @Override + public void updateWalletBalance(Long id, BigDecimal availableBalance, BigDecimal totalBalance,BigDecimal frozenBalance) { + if(id==null){ + return; + } + // 这里需要加锁 保证同一个时间只有一个线程操作一个钱包 + String key = "UPDATE_WALLET_COIN_"+id; + while (true){ + boolean b = redisUtils.setNotExist(key, 1, 2); + if(b){ + //System.out.println("我拿到了锁"); + // 拿到了锁才能扣 + memberWalletCoinDao.updateWalletBalance(id,availableBalance,totalBalance,frozenBalance); + // 扣完释放锁 + redisUtils.del(key); + break; + }else { + + } + } + } + } -- Gitblit v1.9.1