From 1afe548ac40cc7f975917ef9bf2e156595cf81f3 Mon Sep 17 00:00:00 2001
From: alielie <alielie@git.com>
Date: 星期四, 16 四月 2026 08:58:04 +0800
Subject: [PATCH] 优化；
---
HMI.LogViewer/LogViewer.xaml.cs | 142 +++++++++++++++++++++++++++++++----------------
1 files changed, 93 insertions(+), 49 deletions(-)
diff --git a/HMI.LogViewer/LogViewer.xaml.cs b/HMI.LogViewer/LogViewer.xaml.cs
index 3920fbb..a2fc8f4 100644
--- a/HMI.LogViewer/LogViewer.xaml.cs
+++ b/HMI.LogViewer/LogViewer.xaml.cs
@@ -33,23 +33,26 @@
private Timer autoRfhTimer;
- private int currentPage = 1;
- public int CurrentPage
+ private long pageSize = 50;
+
+ private long currentPage = 1;
+ public long CurrentPage
{
get => currentPage;
set
{
Set(ref currentPage, value);
+ Filtrate(value, pageSize);
}
}
- private int maxPage = 0;
- public int MaxPage
+ private long maxPage = 1;
+ public long MaxPage
{
get => maxPage;
set
{
- Set(ref currentPage, value);
+ Set(ref maxPage, value);
}
}
@@ -65,6 +68,7 @@
};
autoRfhTimer.Elapsed += AutoRfhTimer_Elapsed;
InitializeComponent();
+ QueryReset();
}
public override void InitFinish()
@@ -93,7 +97,6 @@
//}
}
-
private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
Loaded -= UserControl_Loaded;
@@ -103,6 +106,10 @@
{
Refresh100items();
}
+
+ //private void RefreshTable() {
+ // if(CurrentPage == )
+ //}
private void Button_Click(object sender, RoutedEventArgs e)
{
@@ -114,6 +121,7 @@
break;
case "resetBtn":
QueryReset();
+ CurrentPage = 1;
break;
case "exportBtn":
DoExport();
@@ -144,9 +152,10 @@
return;
}
- queryBtn.IsEnabled = false;
- autoRfhInput.IsEnabled = false;
- Filtrate();
+ AutoRfh = false;
+ //queryBtn.IsEnabled = false;
+ //autoRfhInput.IsEnabled = false;
+ CurrentPage = 1;
}
catch (Exception ex)
{
@@ -162,31 +171,60 @@
private void QueryReset()
{
+ var today = DateTime.Now;
+ var start = DateTime.Parse(today.ToString("yyyy-MM-dd 00:00:00")).AddDays(-7);
+ var end = DateTime.Parse(today.ToString("yyyy-MM-dd 00:00:00")).AddDays(1);
+
levelInput.Text = null;
- startTimeInput.SelectedDateTime = null;
- endTimeInput.SelectedDateTime = null;
- startTimeInput.Text = null;
- table.ItemsSource = null;
+ startTimeInput.SelectedDateTime = start;
+ endTimeInput.SelectedDateTime = end;
}
- private void Filtrate()
+ private void Filtrate(long page, long size)
{
- string str = LoadSql();
- DataTable dt = new DataTable();
- var files = GetOldDbFiles(PathHelper.LogViewerDir, new DateTime?[] { startTimeInput.SelectedDateTime,
+ try
+ {
+ var files = GetOldDbFiles(PathHelper.LogViewerDir, new DateTime?[] { startTimeInput.SelectedDateTime,
endTimeInput.SelectedDateTime });
- foreach (string file in files)
- {
- using (SqliteHelper sql = new SqliteHelper(file))
+ if (files.Length <= 0)
{
- dt.Merge(sql.GetDataTable(str));
+ table.ItemsSource = new DataTable().DefaultView;
+ return;
}
+
+ using (Sqlite3Helper helper = new Sqlite3Helper(files[0]))
+ {
+ for (int i = 0; i < files.Length; i++)
+ {
+ var attach = $"ATTACH DATABASE '{files[i]}' AS 'db{i}'";
+ helper.Execute(attach);
+ }
+
+ string sql = string.Join(" UNION ALL ", GetSqls(files));
+
+ string sortName = "time", sortDirection = "DESC";
+
+ string baseSql = $"SELECT level,time,source,text FROM ({sql}) as _temp";
+
+ string countSql = $"SELECT COUNT(1) FROM ({sql}) as __temp";
+
+ long total = (long)helper.SelectOne(countSql);
+ long pages = (total/pageSize)+ ((total % pageSize) > 0 ? 1 : 0);
+
+ sql = $"{baseSql} ORDER BY {sortName} {sortDirection} LIMIT {size} OFFSET {(page - 1) * size} ";
+
+ DataTable dt = helper.GetDataTable(sql);
+ table.ItemsSource = dt.DefaultView;
+
+ MaxPage = pages;
+ }
+
}
- if (dt.Rows.Count > 0)
+ catch (Exception ex)
{
- dt.DefaultView.Sort = "time Desc";
+ log.Error("Select Log Error.", ex);
+ MsgBoxHelper2.Error($"鏌ヨ澶辫触: {ex.Message}");
}
- table.ItemsSource = dt.DefaultView;
}
public static string[] GetOldDbFiles(string folderPath, DateTime?[] range)
@@ -217,35 +255,40 @@
}
/// <summary>
- /// 鍔犺浇鐣岄潰鍒ゆ柇鏁版嵁搴撹鍙�
+ ///
/// </summary>
- /// <returns> str鏁版嵁搴撶殑璇彞 </returns>
- private string LoadSql()
+ /// <param name="files"></param>
+ /// <returns></returns>
+ private string[] GetSqls(string[] files)
{
- string sql = " select level,time,source,text from log";
- List<string> datas = new List<string>();
- if (!string.IsNullOrEmpty(levelInput.Text))
+ string[] sqls = new string[files.Length];
+ for (int i = 0; i < files.Length; i++)
{
- datas.Add($"level='{levelInput.Text}'");
- }
- if (!string.IsNullOrEmpty(startTimeInput.Text))
- {
- datas.Add($"time>='{startTimeInput.Text}'");
- }
- if (!string.IsNullOrEmpty(endTimeInput.Text))
- {
- datas.Add($"time<='{endTimeInput.Text}'");
- }
- if (!string.IsNullOrEmpty(sourceInput.Text))
- {
- datas.Add($"source='{sourceInput.Text}'");
- }
+ string sql = $"SELECT level,time,source,text FROM db{i}.log";
+ List<string> datas = new List<string>();
+ if (!string.IsNullOrEmpty(levelInput.Text))
+ {
+ datas.Add($"level='{levelInput.Text}'");
+ }
+ if (!string.IsNullOrEmpty(startTimeInput.Text))
+ {
+ datas.Add($"time>='{startTimeInput.Text}'");
+ }
+ if (!string.IsNullOrEmpty(endTimeInput.Text))
+ {
+ datas.Add($"time<'{endTimeInput.Text}'");
+ }
+ if (!string.IsNullOrEmpty(sourceInput.Text))
+ {
+ datas.Add($"source='{sourceInput.Text}'");
+ }
- string condition = string.Join(" AND ", datas);
- condition = string.IsNullOrEmpty(condition) ? string.Empty : $" WHERE {condition}";
-
- sql = $"{sql}{condition} order by time desc";
- return sql;
+ string condition = string.Join(" AND ", datas);
+ condition = string.IsNullOrEmpty(condition) ? string.Empty : $" WHERE {condition}";
+ sql = $"{sql}{condition}";
+ sqls[i] = sql;
+ }
+ return sqls;
}
/// <summary>
@@ -267,6 +310,7 @@
this.Dispatcher.BeginInvoke((Action)delegate ()
{
table.ItemsSource = dt.DefaultView;
+ MaxPage = 1;
});
}
}
--
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