From 9d1660270272180cd71147d6ddd53d1382643d2e Mon Sep 17 00:00:00 2001
From: wenxiangchao <wenxiangchao@ihengxin.com.cn>
Date: 星期一, 02 十一月 2026 18:00:14 +0800
Subject: [PATCH] merge: 并入远程 Initial commit 作为历史根节点

---
 SimpleUtil/HMI.LogUtil/LogHelper.cs |  112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 112 insertions(+), 0 deletions(-)

diff --git a/SimpleUtil/HMI.LogUtil/LogHelper.cs b/SimpleUtil/HMI.LogUtil/LogHelper.cs
new file mode 100644
index 0000000..007182b
--- /dev/null
+++ b/SimpleUtil/HMI.LogUtil/LogHelper.cs
@@ -0,0 +1,112 @@
+锘縰sing HMI.Simple.Util;
+using System;
+using System.Data.SQLite;
+using System.IO;
+
+namespace HMI.LogUtil
+{
+    public class LogHelper
+    {
+        private static string FileName = "log";
+        private static string createTableSql = @"CREATE TABLE IF NOT EXISTS log (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    level TEXT NOT NULL,
+                    text TEXT NOT NULL,
+                    source TEXT,
+                    time TIME
+                    );";
+        /// <summary>
+        /// 闃叉澶氱嚎绋嬪垱寤烘枃浠讹紙浣嗘槸涓嶇煡閬搕eststand浼氫笉浼氬杩涚▼璋冪敤锛�
+        /// </summary>
+        private static object fileLock = new object();
+
+        private static string GetConnectionStr(string dbFile)
+        {
+            return $"DataSource={dbFile};Version=3;Pooling=False;Max Pool Size=100";
+        }
+
+        private static string GetDbFile()
+        {
+            string value = RegUtil.GetLocaltion();
+            string path = Path.Combine(value, "Config", "LogViewer", $"{FileName}_{DateTime.Now:yyyy-MM-dd}.db");
+            if (!File.Exists(path))
+            {
+                CreateDbFile(path);
+            }
+            return path;
+        }
+
+        private static void CreateDbFile(string dbFile)
+        {
+            lock (fileLock)
+            {
+                if (!File.Exists(dbFile))
+                {
+                    string dir = Path.GetDirectoryName(dbFile);
+                    if (!Directory.Exists(dir))
+                    {
+                        Directory.CreateDirectory(dir);
+                    }
+                    SQLiteConnection.CreateFile(dbFile);
+
+                    using (SQLiteConnection conn = new SQLiteConnection())
+                    using (SQLiteCommand cmd = new SQLiteCommand(conn))
+                    {
+                        conn.ConnectionString = GetConnectionStr(dbFile);
+                        conn.Open();
+                        cmd.CommandText = createTableSql;
+                        cmd.ExecuteNonQuery();
+                    }
+                }
+            }
+        }
+
+        private static bool DoLog(string level, string source, string content, out string errMsg)
+        {
+            errMsg = string.Empty;
+            try
+            {
+                string dbFile = GetDbFile();
+                using (SQLiteConnection conn = new SQLiteConnection())
+                using (SQLiteCommand cmd = new SQLiteCommand(conn))
+                {
+                    conn.ConnectionString = GetConnectionStr(dbFile);
+                    conn.Open();
+                    cmd.CommandText =
+                        $@"INSERT INTO log (level, text, source, time) 
+VALUES ('{level}', '{content}', '{source}', '{DateTime.Now:yyyy-MM-dd HH:mm:ss}');";
+                    if (cmd.ExecuteNonQuery() > 0)
+                    {
+                        return true;
+                    }
+                    errMsg = "鍐欏叆鏃ュ織澶辫触";
+                    return false;
+                }
+            }
+            catch (Exception ex)
+            {
+                errMsg = ex.Message;
+                return false;
+            }
+        }
+
+        public static bool Debug(string source, string content, out string errMsg)
+        {
+            return DoLog("Debug", source, content, out errMsg);
+        }
+
+        public static bool Info(string source, string content, out string errMsg)
+        {
+            return DoLog("Info", source, content, out errMsg);
+        }
+        public static bool Warn(string source, string content, out string errMsg)
+        {
+            return DoLog("Warn", source, content, out errMsg);
+        }
+
+        public static bool Error(string source, string content, out string errMsg)
+        {
+            return DoLog("Error", source, content, out errMsg);
+        }
+    }
+}

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