LogPage.razor
1.74 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
@page "/"
@inject IMemoryCache _memoryCache
@using AntDesign
@using AutomaticGrooveCalculationTool.Common.Utils
@using Microsoft.Extensions.Caching.Memory
@using Timer = System.Timers.Timer;
<Card Title="日志输出" Size="small">
@if (!Logs.Any())
{
<Empty />
}
else
{
foreach (var item in Logs)
{
<Alert Message="@($"[{item.DateTime}]：{item.Message}")" Type="@item.StatusCode.ToString().ToLower()" ShowIcon="true" />
}
}
</Card>
@code
{
private SystemLog log = SystemLog.Instance;
private List<LogVM> Logs = new List<LogVM>();
private readonly string CacheKey = "CacheKey_LogPage";
private MemoryCacheEntryOptions cacheEntryOptions = null!;
private Timer timer = new Timer(1);
protected override void OnInitialized()
{
cacheEntryOptions = new MemoryCacheEntryOptions().SetSlidingExpiration(TimeSpan.FromHours(12));
if (!_memoryCache.TryGetValue(CacheKey, out List<LogVM>? cacheValue))
{
cacheValue = new List<LogVM>();
_memoryCache.Set(CacheKey, cacheValue, cacheEntryOptions);
}
Logs = cacheValue ?? new List<LogVM>();
base.OnInitialized();
timer.Elapsed += (sender, eventArgs) => OnTimerCallback();
timer.Start();
}
private void OnTimerCallback()
{
_ = InvokeAsync(() =>
{
var logItem = log.GetLog();
if (logItem == null) return;
Logs.Insert(0, logItem);
if (Logs.Count > 30)
{
var lastItem = Logs.Last();
Logs.Remove(lastItem);
}
_memoryCache.Set(CacheKey, Logs, cacheEntryOptions);
StateHasChanged();
});
}
}