using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace AppTest
{
    public partial class Form1 : Form
    {
        //每隔多长时间执行一次同步操作
        private static readonly int IntervalTime = 10000;

        public Form1()
        {
            InitializeComponent();
            TableSynchro();
        }

        # region 同步数据
        private void TableSynchro()
        {
            //表1
            Tablel1_Thread = new Thread(new ThreadStart(Tablel1_Synchro));
            Tablel1_Thread.Start();
            //表2
            Tablel2_Thread = new Thread(new ThreadStart(Tablel2_Synchro));
            Tablel2_Thread.Start();
            //表3
            Tablel3_Thread = new Thread(new ThreadStart(Tablel3_Synchro));
            Tablel3_Thread.Start();
            //表4
            Tablel4_Thread = new Thread(new ThreadStart(Tablel4_Synchro));
            Tablel4_Thread.Start();
        }

        /*线程同步方法中，通过无限循环和Sleep让线程每隔一段时间执行一次*/
        private Thread Tablel1_Thread;
        private void Tablel1_Synchro()
        {
            while (true)
            {
                string logTxt = "";

                DateTime beginT = DateTime.Now;
                logTxt += "表1:" + "同步操作返结果(略)";
                DateTime endT = DateTime.Now;
                logTxt += "操作时间:" + endT.ToString() + ",用时:" + (endT - beginT).TotalSeconds.ToString() + "秒" + Environment.NewLine;
                WriteLog(logTxt, "Tablel1");

                Thread.Sleep(IntervalTime);
            }
        }

        private Thread Tablel2_Thread;
        private void Tablel2_Synchro()
        {
            while (true)
            {
                string logTxt = "";

                DateTime beginT = DateTime.Now;
                logTxt += "表2:" + "同步操作返结果(略)";
                DateTime endT = DateTime.Now;
                logTxt += "操作时间:" + endT.ToString() + ",用时:" + (endT - beginT).TotalSeconds.ToString() + "秒" + Environment.NewLine;
                WriteLog(logTxt, "Tablel2");

                Thread.Sleep(IntervalTime);
            }
        }

        private Thread Tablel3_Thread;
        private void Tablel3_Synchro()
        {
            while (true)
            {
                string logTxt = "";

                DateTime beginT = DateTime.Now;
                logTxt += "表3:" + "同步操作返结果(略)";
                DateTime endT = DateTime.Now;
                logTxt += "操作时间:" + endT.ToString() + ",用时:" + (endT - beginT).TotalSeconds.ToString() + "秒" + Environment.NewLine;
                WriteLog(logTxt, "Tablel3");

                Thread.Sleep(IntervalTime);
            }
        }

        private Thread Tablel4_Thread;
        private void Tablel4_Synchro()
        {
            while (true)
            {
                string logTxt = "";

                DateTime beginT = DateTime.Now;
                logTxt += "表4:" + "同步操作返结果(略)";
                DateTime endT = DateTime.Now;
                logTxt += "操作时间:" + endT.ToString() + ",用时:" + (endT - beginT).TotalSeconds.ToString() + "秒" + Environment.NewLine;
                WriteLog(logTxt, "Tablel4");

                Thread.Sleep(IntervalTime);
            }
        }
        #endregion

        /// <summary>
        /// 写日志
        /// </summary>
        /// <param name="logtxt">增加内容</param>
        /// <param name="fileName">表名用作文件名</param>
        private static void WriteLog(string logtxt, string fileName)
        {
            string directoryPath = Directory.GetCurrentDirectory() + @"\log\";
            string filePath = directoryPath + fileName + ".txt";
            //存放日志文件的目录是否存在
            if (!Directory.Exists(directoryPath))
            {
                Directory.CreateDirectory(directoryPath);
            }

            FileInfo file = new FileInfo(filePath);
            if (!file.Exists)
                file.Create();
            StreamWriter stream = file.AppendText();
            stream.Write(logtxt);
            stream.Flush();
            stream.Close();

        }
    }
}