DyeingComputer/View/WorkOrderView.xaml.cs

using DyeingComputer.UserClass;
using DyeingComputer.ViewModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Xml.Linq;
using static DyeingComputer.UserClass.SqliteHelper;
using static System.Collections.Specialized.BitVector32;

namespace DyeingComputer.View
{
    /// <summary>
    /// WorkOrder.xaml 的交互逻辑
    /// </summary>
    public partial class WorkOrderView : UserControl
    {
        public WorkOrderView()
        {
            DataContext = new WorkOrderViewModel();

            InitializeComponent();

            Workorder_sql();
        }

        private SQLiteHelper SQLiteHelpers = null;  //定义数据库
        private readonly string DBAddress = Environment.CurrentDirectory + "\\DataBase\\800COMPUTER.db";  //数据库路径
        DataSet sql; //内存数据缓存

        string WorkOrder_Numder;
        string Process_Name;
        string Process_id;
        string _lock;

        public void Workorder_sql()
        {
            SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
            SQLiteHelpers.Open();  //打开数据库

            string sql_script = "select * from WorkOrder where StartTime > '" + DateTime.Now.ToString("yyyy/MM/dd") + "'";

            if (sql != null) sql.Clear();  //清空缓存
            sql = SQLiteHelpers.ExecuteDataSet(sql_script, null);  //读取计划表写入缓存
            if(sql!=null) Grid.ItemsSource = sql.Tables[0].DefaultView;  //转换显示计划表

            SQLiteHelpers.Close();  //关闭连接

            //sql.Clear();  //清除缓存
            //System.GC.Collect();
        }

        private void WorkOrderView_lock_Click(object sender, RoutedEventArgs e)//锁定按钮
        {
            Dictionary<string, object> lock_v = new Dictionary<string, object>();//缓存函数
            SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
            SQLiteHelpers.Open();  //打开数据库

            if (_lock == "0") //改变lock的状态
            {
                lock_v.Add("lock", 1);               
                SQLiteHelpers.Update("WorkOrder", lock_v, "WorkOrder='"+WorkOrder_Numder+"'",null);
            }else
            {
                lock_v.Add("lock", 0);
                SQLiteHelpers.Update("WorkOrder", lock_v, "WorkOrder='" + WorkOrder_Numder + "'", null);
            }

            SQLiteHelpers.Close();  
            Workorder_sql();
        }

        private void WorkOrderView_new_Click(object sender, RoutedEventArgs e)//新建按钮
        {

        }

        private void WorkOrderView_del_Click(object sender, RoutedEventArgs e)//删除按钮
        {
            SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
            SQLiteHelpers.Open();  //打开数据库
            SQLiteHelpers.Delete("WorkOrder", "WorkOrder='"+ WorkOrder_Numder+"'", null);
            SQLiteHelpers.Close();
            Workorder_sql();
        }

        private void WorkOrderView_redy_Click(object sender, RoutedEventArgs e)//重染按钮
        {

        }

        private void Grid_SelectionChanged(object sender, SelectionChangedEventArgs e)//表格选择事件
        {
            int rownum = Grid.SelectedIndex;//获取鼠标选中行并定义变量
            if (rownum != -1)//判断鼠标定位是否有效
            {
                WorkOrder_Numder = (Grid.Columns[0].GetCellContent(Grid.Items[rownum]) as TextBlock).Text;//定位第0列，
                Process_Name = (Grid.Columns[1].GetCellContent(Grid.Items[rownum]) as TextBlock).Text;//定位第1列，
                Process_id = (Grid.Columns[2].GetCellContent(Grid.Items[rownum]) as TextBlock).Text;//定位第0列，
                _lock = (Grid.Columns[3].GetCellContent(Grid.Items[rownum]) as TextBlock).Text;//定位第1列，
            }
        }
    }
}