串口逻辑，数据库读写逻辑修改

WindowsView/MachineSelection.xaml.cs

@@ -28,9 +28,7 @@ namespace SunlightCentralizedControlManagement_SCCM_.WindowsView
         //声明一个更新Address的委托
         public delegate void AddressUpdateHandler(object sender, AddressUpdateEventArgs e);
         //声明一个更新Address的事件
-        public event AddressUpdateHandler AddressUpdated;
-        private readonly string DBAddress = Environment.CurrentDirectory + "\\DataBase\\SCCM.db";  //数据库路径
-        private SQLiteHelper SQLiteHelpers = null;  //定义数据库
+        public event AddressUpdateHandler AddressUpdated;       
         private string MACHINEDATA;
         DataTable machine_table;
         private List<string> machine;
@@ -39,13 +37,10 @@ namespace SunlightCentralizedControlManagement_SCCM_.WindowsView
         public MachineSelection()
         {
             InitializeComponent();
-
-            SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
-            SQLiteHelpers.Open();  //打开数据库           
-            comboBoxMachine.ItemsSource = SQLiteHelpers.ExecuteDataSet("select * from MachinesGroups order by Name desc", null).Tables[0].
+       
+            comboBoxMachine.ItemsSource = MainWindowViewModel.SQLiteHelpers.ExecuteDataSet("select * from MachinesGroups order by Name desc", null).Tables[0].
                 AsEnumerable().Select(rowdata => rowdata.Field<string>("Name")).ToList();//转换代码 
-            machine_table = SQLiteHelpers.ExecuteDataSet("select * from Machines order by Name desc", null).Tables[0];
-            SQLiteHelpers.Close();  //关闭连接
+            machine_table = MainWindowViewModel.SQLiteHelpers.ExecuteDataSet("select * from Machines order by Name desc", null).Tables[0];
 
             machine = machine_table.AsEnumerable().Select(rowdata => rowdata.Field<string>("Name")).ToList();//转换代码
 

WindowsView/User.xaml.cs

@@ -1,5 +1,6 @@
 using nGantt.GanttChart;
 using SunlightCentralizedControlManagement_SCCM_.View;
+using SunlightCentralizedControlManagement_SCCM_.ViewModel;
 using System;
 using System.Collections.Generic;
 using System.Data;
@@ -16,9 +17,7 @@ namespace SunlightCentralizedControlManagement_SCCM_.WindowsView
     /// Machine.xaml 的交互逻辑
     /// </summary>
     public partial class User : Window
-    {
-        private readonly string DBAddress = Environment.CurrentDirectory + "\\DataBase\\SCCM.db";  //数据库路径
-        private UserClass.SqliteHelper.SQLiteHelper SQLiteHelpers = null;  //定义数据库
+    {     
         CheckBox[] checkBoxes = new CheckBox[99];
         string[] strings = new string[13] {"修改系统设置", "修改用户设置",
             "单机监控","单机控制","单机设置","新建排程","排程编辑","排程删除",        
@@ -40,10 +39,7 @@ namespace SunlightCentralizedControlManagement_SCCM_.WindowsView
                 checkBoxes[i].Height = 50;
                 Capacity.Children.Add(checkBoxes[i]);
             }
-            SQLiteHelpers = new UserClass.SqliteHelper.SQLiteHelper(DBAddress); //数据库连接路径
-            SQLiteHelpers.Open();  //打开数据库
-            DataGriduser.ItemsSource = SQLiteHelpers.ExecuteDataSet("select * from USER order by Name desc", null).Tables[0].DefaultView;
-            SQLiteHelpers.Close();
+            DataGriduser.ItemsSource = MainWindowViewModel.SQLiteHelpers.ExecuteDataSet("select * from USER order by Name desc", null).Tables[0].DefaultView;
         }       
 
         private void Tb_KeyFloating(object sender, TextCompositionEventArgs e)//输入事件
@@ -105,22 +101,16 @@ namespace SunlightCentralizedControlManagement_SCCM_.WindowsView
             USER_new.Add("Groups", Group);
             USER_new.Add("Capacity", Cap);
             USER_new.Add("Note", note);
-            SQLiteHelpers = new UserClass.SqliteHelper.SQLiteHelper(DBAddress); //数据库连接路径
-            SQLiteHelpers.Open();  //打开数据库
-            SQLiteHelpers.Delete("USER", "Name='" + name + "'", null);
-            SQLiteHelpers.InsertData("USER", USER_new);// 执行插入
-            DataGriduser.ItemsSource = SQLiteHelpers.ExecuteDataSet("select * from USER order by Name desc", null).Tables[0].DefaultView;
-            SQLiteHelpers.Close();
+            MainWindowViewModel.SQLiteHelpers.Delete("USER", "Name='" + name + "'", null);
+            MainWindowViewModel.SQLiteHelpers.InsertData("USER", USER_new);// 执行插入
+            DataGriduser.ItemsSource = MainWindowViewModel.SQLiteHelpers.ExecuteDataSet("select * from USER order by Name desc", null).Tables[0].DefaultView;
             _Name.Text = null;
         }
 
         private void Button_Delete(object sender, RoutedEventArgs e)//删除按钮事件
         {
-            SQLiteHelpers = new UserClass.SqliteHelper.SQLiteHelper(DBAddress); //数据库连接路径
-            SQLiteHelpers.Open();  //打开数据库
-            SQLiteHelpers.Delete("USER", "Name='" + _Name.Text + "'", null);
-            DataGriduser.ItemsSource = SQLiteHelpers.ExecuteDataSet("select * from USER order by Name desc", null).Tables[0].DefaultView;
-            SQLiteHelpers.Close();
+            MainWindowViewModel.SQLiteHelpers.Delete("USER", "Name='" + _Name.Text + "'", null);
+            DataGriduser.ItemsSource = MainWindowViewModel.SQLiteHelpers.ExecuteDataSet("select * from USER order by Name desc", null).Tables[0].DefaultView;
             _Name.Text = null;
         }
     }