Merge branch 'master' of http://www.scserverddns.top:13000/sc/DyeingComputer

UserClass/SqliteHelper.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Data;
+using System.IO;
+using Microsoft.Data.Sqlite;
+using System.Data.Common;
+using System.Windows.Media.Animation;
+using System.Data.SQLite;
+
+namespace DyeingComputer.UserClass
+{
+    internal class SqliteHelper
+    {
+
+        /// <summary>
+        /// 事务的基类
+        /// </summary>
+        private DbTransaction DBtrans;
+
+        /// <summary>
+        /// 数据库地址
+        /// </summary>
+        private readonly string dbFile = "Data Source=" + Environment.CurrentDirectory + "\\DataBase\\COMPUTER.db;Version3";
+        /// <summary>
+        /// 数据库密码
+        /// </summary>
+        private readonly string mPassWord;
+        private readonly string LockName = null;
+        /// <summary>  
+        /// 打开一个SQLite数据库文件，如果文件不存在，则创建（无密码）
+        /// </summary>  
+        /// <param name="dataFile"></param>  
+        /// <returns>SQLiteConnection 类</returns>  
+        private SQLiteConnection OpenConnection(string dataFile)
+        {
+            if (dataFile == null)
+            {
+                throw new ArgumentNullException("dataFiledataFile=null");
+            }
+            if (!File.Exists(dataFile))
+            {
+                SQLiteConnection.CreateFile(dataFile);
+            }
+            SQLiteConnection conn = new SQLiteConnection();
+            SQLiteConnectionStringBuilder conStr = new SQLiteConnectionStringBuilder
+            {
+                DataSource = dataFile
+            };
+            conn.ConnectionString = conStr.ToString();
+            conn.Open();
+            return conn;
+        }
+
+        public void qe()
+        { }
+        public void SqliteHe() 
+        { OpenConnection(dbFile); }
+    }
+}