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2024年1月17日发(作者:超卓文本编辑器闪退)

n(tThread().getName() + "抢到了锁 id: " + ing("id") + " name: " + ing("name") + " count: " + ing("count")); count = f(ing("count")); } String updateSql = "UPDATE production SET count=" + (count - 1) + " WHERE id=2"; int rows = eUpdate(updateSql); if (rows > 0) { n("更新成功" + tThread().getName() + " 库存剩余:" + (count - 1)); n(tThread().getName() + " === > >开始解锁"); boolean unlock = unlock(jedis, lock); if (unlock) n(tThread().getName() + " === > >解锁成功"); } else { n("更新失败" + tThread().getName()); } } catch (Exception e) { tackTrace(); } finally { try { if (conn != null) (); if (statement != null) (); if (resultSet != null) (); } catch (Exception e) { tackTrace(); } } } }

} }, "线程" + count).start(); } }

public static String lock(Jedis jedis) { try { while (true) { String lockTime = f(().get(0)) + 5 + ""; if (("lock", lockTime) == 1) { ("lock", 5); return lockTime; } String lock = ("lock"); if (!y(lock) && f(lock) < f(().get(0))) { String oldLockTime = ("lock", lockTime); if (!y(oldLockTime) && (lock)) { return lockTime; } } (100); } } catch (Exception e) { tackTrace(); } return null; }

public static boolean unlock(Jedis jedis, String lockTag) { if ((("lock"))) { ("lock"); return true; }


本文标签: 文本编辑 库存 解锁 剩余