数据库使用存储过程

 public ResultMsg GetUsersCode(int UserId)
        {
            ResultMsg msg = new ResultMsg();

            var p = new DynamicParameters();// 定义参数
            try
            {

                p.Add("@UserId", UserId, DbType.Int32); 
                p.Add("@OutCode", null, DbType.Int32,ParameterDirection.Output);
                p.Add("@OutEndDate", null, DbType.DateTime, ParameterDirection.Output);
                p.Add("@OutCodeId", null, DbType.Int32, ParameterDirection.Output);
                var rows = DapperDbHelper.Execute("GetCodeStatic", p, null, null, CommandType.StoredProcedure);//创建数据库带存储过程的链接
                int GetCode = p.Get<int>("@OutCode");//读取列出的数据参数
                int CodeId = p.Get<int>("@OutCodeId");
                DateTime EndDate = p.Get<DateTime>("OutEndDate");
                msg.ReturnInt = GetCode;
                msg.ReturnDateTime = EndDate;
                msg.ReturnString = CodeId.ToString();
            }
            catch (Exception ex)
            {
                msg.Success = false;
                msg.ErrMsg = ex.Message;
            }
            return msg;
        }

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