cyf
84 lines
2.2 KiB
C#
84 lines
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Data;
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using System.Data.SqlClient;
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using System.Windows.Forms;
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using CommonLib;
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namespace Lskj.Main
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{
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/// <summary>
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/// 获取系统事件
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/// </summary>
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public class ServerTimer
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{
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private static DateTime m_CurTime = DateTime.Now;
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private static Timer m_runTmr;
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public static void StartTimer()
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{
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if (m_runTmr != null)
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QueryTime();
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m_runTmr = new Timer();
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m_runTmr.Tag = 0;
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m_runTmr.Tick += new EventHandler(OnTimer);
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m_runTmr.Interval = 1000;
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m_runTmr.Start();
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}
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public static DateTime ServerTime
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{
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get { return m_CurTime; }
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}
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private static void OnTimer(object sender, EventArgs e)
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{
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m_CurTime = m_CurTime.AddSeconds(1);
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int count = (int)m_runTmr.Tag;
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count++;
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//暂定30秒查询一次
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if (count > 30)
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{
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count = 0;
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QueryTime();
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}
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m_runTmr.Tag = count;
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}
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/// <summary>
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/// 查询服务器时间，并查询登录表记录，没记录则强制退出
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/// </summary>
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private static void QueryTime()
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{
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try
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{
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string strSql = string.Format("select getdate() as cnt from p_LoginHostInfotab where HostName='{0}'", ERPInfo.Instance.WSName);
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using (SqlDataReader dr = SqlHelper.ExecuteReader(CommandType.Text, strSql, null))
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{
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if (dr.Read())
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{
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m_CurTime = DateTime.Parse(dr["cnt"].ToString());
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}
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else
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{
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//掉线
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//MessageBox.Show("你已经被强制下线.");
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//Application.Exit();
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}
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}
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}
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catch (Exception ex)
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{
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PubUtil.WriteLog(ex.Message);
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}
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}
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}
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}
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