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  • EF 请求数据是缓存 求大神解释

    
    
    
    
    //
    //AliexpressEntities MyaliexpressEntities  为了事物一致性 在别的方法里面传过来的 实质还是 (  AliexpressEntities aliexpressEntities = new AliexpressEntities();)
    和 userBll.GetUser 方法里面的一样

    public YH_AmountAccount AmountAccountSaveChanges(AliexpressEntities MyaliexpressEntities, int amountAccounUserId, string transactionRemark, int transactionType, string transactionNumber, decimal? transactionAmount, decimal? transactionAmountMMB) { YH_AmountAccount AmountAccount = new YH_AmountAccount(); YH_UserBLL userBll = new YH_UserBLL(); var getuser = userBll.GetUser(amountAccounUserId); //为什么 这里是 51.2 (正确 ) var userNow = MyaliexpressEntities.YH_User.Where(p => p.userId == amountAccounUserId).Single(); //这里是 63.8 (还是之前的数据) AmountAccount.createTime = DateTime.Now; AmountAccount.isActive = true; AmountAccount.createUserId = userNow.userId; AmountAccount.amountAccounUserId = userNow.userId; AmountAccount.transactionRemark = transactionRemark; AmountAccount.transactionType = transactionType; //(transactionType 1发布任务 2删除任务 3完成任务 4账户充值) AmountAccount.transactionNumber = transactionNumber; AmountAccount.initialAmount = userNow.Balance + userNow.BalanceLocked; AmountAccount.initialAmountMMB = userNow.MMCoin + userNow.MMCoinLocked; AmountAccount.transactionAmount = transactionAmount; AmountAccount.transactionAmountMMB = transactionAmountMMB; AmountAccount.accountBalance = AmountAccount.initialAmount - AmountAccount.transactionAmount; AmountAccount.accountBalanceMMB = AmountAccount.initialAmountMMB - AmountAccount.transactionAmountMMB; userNow.MMCoin = AmountAccount.accountBalanceMMB - userNow.MMCoinLocked; userNow.Balance = AmountAccount.accountBalance - userNow.BalanceLocked; if (userNow.Balance < 0) { throw new Exception("您账户的可用余额不足,请充值!"); } return AmountAccount; }

      

    userBll.GetUser 方法
    
    namespace Aliexpress.BLL
    {
        public class YH_UserBLL
        {
    
            AliexpressEntities aliexpressEntities = new AliexpressEntities();
        
         
    
            public YH_User GetUser(int userId)
            {
                var user = aliexpressEntities.YH_User.Where(p => p.userId == userId&&p.isActive==true).SingleOrDefault();
                return user;
            }
        }
    }

    //调试数据

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  • 原文地址:https://www.cnblogs.com/520cc/p/4274572.html
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