1 await using (var trans = await dbContext.Database.BeginTransactionAsync())
 2 {
 3     try
 4     {
 5         #region 映射数据
 6 
 7         var loggedTime = DateTime.Now;
 8         
 9         #endregion
10         
11         sw1.Restart();
12         
13         // 添加设备状态日志
14         await dbContext.DeviceStatusHistories.AddAsync(deviceStatusHistory);
15         // 添加部件状态日志
16         await dbContext.PartStatusHistories.AddRangeAsync(partStatusHistories);
17         
18         // 更新设备状态
19         await dbContext.DeviceStatus
20             .Upsert(new DeviceStatus()
21             {
22                 Id = _session.Device.Id,
23                 LoggedTime = loggedTime,
24                 //状态若干
25             }).RunAsync();
26         
27         // 更新休眠模块状态
28         await dbContext.Module1Status
29             .Upsert(new Module1Status()
30             {
31                 Id = _session.Device.Id,
32                 LoggedTime = loggedTime,
33                 //状态若干
34             }).RunAsync();
35         
36         // 更新放电模块状态
37         await dbContext.Module2Status
38             .Upsert(new Module2Status()
39             {
40                 Id = _session.Device.Id,
41                 LoggedTime = loggedTime,
42                 //状态若干
43             }).RunAsync();
44         
45         // 更新电池状态
46         await dbContext.PartStatus
47             .UpsertRange(batteries.Select(c => new PartStatus()
48             {
49                 Id = c.Id,
50                 LoggedTime = loggedTime
51                 //状态若干
52             }))
53             .RunAsync();
54 
55         await dbContext.SaveChangesAsync();
56         await trans.CommitAsync();
57     }
58     catch (Exception ex)
59     {
60         await trans.RollbackAsync();
61         logger.LogError(ex.Message, ex);
62     }
63     finally
64     {
65         // GC.Collect();
66         sw1.Stop();
67         logger.LogDebug($"SAVE:{sw1.ElapsedMilliseconds}");
68     }
69 }