formula_manage/ViewModel/MainWindowViewModel.cs

using formula_manage.SQLModels;
using formula_manage.ViewModel;
using formula_manage.Windows;
using GalaSoft.MvvmLight;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows.Threading;
using System.Xml.Linq;

namespace formula_manage.ViewModel
{

    public class ViewModelBase : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;

        protected virtual void OnPropertyChanged(string propertyName)
        {
            if (this.PropertyChanged != null)
                this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
    }
    ///<Summary>
    ///
    /// 
    ///</Summary>
    ///
    public class MainWindowViewModel : ViewModelBase 
    {
        DataTable DissolvedataTable = new DataTable();   //建立Dissolve缓存
        DataTable STUFFdataTable = new DataTable();   //建立STUFF缓存
        DataTable MACHINEdataTable = new DataTable();   //建立Machine缓存
        DataTable RRODUCTdataTable = new DataTable();   //建立RRODUCT缓存
        DataTable RecipedataTable = new DataTable();   //建立Recipe缓存

        public string INIPath = Convert.ToString(System.AppDomain.CurrentDomain.BaseDirectory) + "formula.ini"; //配置文件路径
        public string sys_Time;  //显示系统时间
        public string Sys_Time  //通知UI控件参数改变
        {
            get { return sys_Time; }
            set { sys_Time = value; OnPropertyChanged("Sys_Time"); }
        }

        string TEXT_SQLIP;
        string TEXT_SQLNAME;
        string TEXT_SQMOD;
        string TEXT_SQLUSER;
        string TEXT_SQLPASWOR;
        string Connstr_SC;

        private async void Sql_()
        {
            UserClass.IniFile.IniFiles Configini = new UserClass.IniFile.IniFiles(INIPath);//生效配置读取
            TEXT_SQLIP = Configini.IniReadvalue("SQL_SERVER", "SQL1");    //读配置文件
            TEXT_SQLNAME = Configini.IniReadvalue("SQL_SERVER", "SQL2");
            TEXT_SQMOD = Configini.IniReadvalue("SQL_SERVER", "SQL3");
            TEXT_SQLUSER = Configini.IniReadvalue("SQL_SERVER", "SQL4");
            TEXT_SQLPASWOR = Configini.IniReadvalue("SQL_SERVER", "SQL5");
            if (TEXT_SQMOD == "0")  //判断连接方式
            {
                Connstr_SC = "server=" + TEXT_SQLIP + ";database=" + TEXT_SQLNAME + ";Trusted_Connection=SSPI";
            }
            else
            {
                Connstr_SC = "server=" + TEXT_SQLIP + ";database=" + TEXT_SQLNAME + ";User ID=" + TEXT_SQLUSER + ";Password=" + TEXT_SQLPASWOR;
            }

            string Stuff_sql = "SELECT ProductCode ,ProductName ,ProductType ,Concentration FROM [Dispensing].[dbo].[PRODUCT] order by ProductCode asc";//查询STUFF语句
            string MAC_sql = "SELECT Name ,Capacity ,Volume FROM [Dispensing].[dbo].[MACHINE] order by Name asc";//查询machine语句
            string Dissolve_sql = "SELECT DissolveCode ,DissolveName ,MaterialType ,WeightMIN ,WeightMAX REMARK FROM [Dispensing].[dbo].[Dissolve]";//查询语句       

            SqlConnection conn_SC = new SqlConnection(Connstr_SC);  //实例化
            try
            {
                await conn_SC.OpenAsync();    //打开数据连接
                SqlDataAdapter Stuff_data = new SqlDataAdapter(Stuff_sql, Connstr_SC);   //查询stuff
                SqlDataAdapter Mac_data = new SqlDataAdapter(MAC_sql, Connstr_SC);   //查询machine
                SqlDataAdapter Dissolve_data = new SqlDataAdapter(Dissolve_sql, Connstr_SC);   //查询Dissolve

                Stuff_data.Fill(STUFFdataTable);    //stuff查询结果存入缓存  
                Mac_data.Fill(MACHINEdataTable);    //machine查询结果存入缓存  
                Dissolve_data.Fill(DissolvedataTable);    //Dissolve_data查询结果存入缓存  

                conn_SC.Close();  //关闭连接

            }
            catch (Exception)
            {
                System.Windows.MessageBox.Show("请求原料信息失败，检查连接");
                return;
            }
        }

        public MainWindowViewModel()
        {
            CountDown();
            Sql_();

            stuff_Product = ToObservableCollection<Product>(STUFFdataTable);  //stuff_Product表转换
            mac_Machine = ToObservableCollection<Machine>(MACHINEdataTable);
            flow_Workflow = ToObservableCollection<Workflow>(DissolvedataTable);

        }

        public ObservableCollection<Product> stuff_Product { get; set; }  //stuff_Product动态表实力化
        public ObservableCollection<Machine> mac_Machine { get; set; }  //mac_Machine动态表实力化
        public ObservableCollection<Workflow> flow_Workflow { get; set; }  //Dissolve动态表实力化
        public ObservableCollection<T> ToObservableCollection<T>(DataTable dt) where T : class, new() //DataTable FOR ObservableCollection转换器
        {
            Type t = typeof(T);
            PropertyInfo[] propertys = t.GetProperties();
            ObservableCollection<T> lst = new ObservableCollection<T>();
            string typeName = string.Empty;
            foreach (DataRow dr in dt.Rows)
            {
                T entity = new T();
                foreach (PropertyInfo pi in propertys)
                {
                    typeName = pi.Name;
                    if (dt.Columns.Contains(typeName))
                    {
                        if (!pi.CanWrite) continue;
                        object value = dr[typeName];
                        if (value == DBNull.Value) continue;
                        if (pi.PropertyType == typeof(string))
                        {
                            pi.SetValue(entity, value.ToString(), null);
                        }
                        else if (pi.PropertyType == typeof(int) || pi.PropertyType == typeof(int?))
                        {
                            pi.SetValue(entity, int.Parse(value.ToString()), null);
                        }
                        else if (pi.PropertyType == typeof(DateTime?) || pi.PropertyType == typeof(DateTime))
                        {
                            pi.SetValue(entity, DateTime.Parse(value.ToString()), null);
                        }
                        else if (pi.PropertyType == typeof(float))
                        {
                            pi.SetValue(entity, float.Parse(value.ToString()), null);
                        }
                        else if (pi.PropertyType == typeof(double))
                        {
                            pi.SetValue(entity, double.Parse(value.ToString()), null);
                        }
                        else
                        {
                            pi.SetValue(entity, value, null);
                        }
                    }
                }
                lst.Add(entity);
            }
            return lst;
        } //DataTable FOR ObservableCollection转换器
        /// <summary>
        /// 循环事件设定
        /// </summary>
        public void CountDown()
        {
            DispatcherTimer timer = new DispatcherTimer//初始化循环，每0.5秒调用一次Tick_Event
            {
                Interval = TimeSpan.FromSeconds(0.1)
            };
            timer.Tick += Tick_Event;
            timer.Start();

            //设置定时器
           // disTimer.Tick += new EventHandler(DisTimer_Tick);//每一秒执行的方法
           // disTimer.Interval = new TimeSpan(10000000); //时间间隔为一秒。
           // disTimer.Start();//计时开始
        }
        void Tick_Event(object sender, EventArgs e)//Tick_Event周期执行事件
        {
            Sys_Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
        }
    }

    public class Product   //stuff_Product
    {
        public string ProductCode { get; set; }
        public string ProductName { get; set; }
        public int ProductType { get; set; }
        public int Concentration { get; set; }

        public override string ToString()
        {
            return ProductCode;
        }
    }
    public class Machine   //mac
    {
        public string Name { get; set; }
        public float Volume { get; set; }
        public float Capacity { get; set; }

        public override string ToString()
        {
            return Name;
        }
    }
    public class Workflow   //Dissolve
    {
        public string DissolveName { get; set; }
        public int MaterialType { get; set; }
        public int WeightMIN { get; set; }
        public int WeightMAX { get; set; }

        public override string ToString()
        {
            return DissolveName;
        }
    }
  
}