using System;
using System.Collections.Generic;
using System.Text;
using System.Configuration;
using System.Data.SqlClient;
using Maticsoft.DBUtility;
using System.Data;
using System.Threading;
namespace ConsoleApplication3
{
public class Program
{
static System.Timers.Timer timer;
private static object locko = new object();
static void Main(string[] args)
{
timer = new System.Timers.Timer();
timer.Interval = 5000;//计时器间隔
timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);//计时器间隔事件
timer.Start();//开启计时器
Console.ReadLine();
}
static void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
// Comm.ComStr s = new Comm.ComStr();
lock (timer)
{
try
{
// DateTime.AddMinite(10)
DbHelperSQL.ConnectionString = "Data Source=192.168.0.198;Initial Catalog=abn_LTGS;User ID=sa;Password=;Persist Security Info=True;MultipleActiveResultSets=False;Packet Size=4096;;";//查询第一台服务器数据库的数据
StringBuilder sb = new StringBuilder();
sb.Append("time<15:00 and time <16:00 order by time ");
using (SqlDataReader sqlDr = timerToSql(sb.ToString()))
{
while (sqlDr.Read())
{
//DbHelperSQL.ConnectionString = " Data Source=127.0.0.1;Initial Catalog=test1;User ID=sa;Password=;Persist Security Info=True;MultipleActiveResultSets=False;Packet Size=4096;";//插入第二台服务器连接字符串
//bool b = DbHelperSQL.Exists("//判断是否存在存在就插入不存在就不插入");
//if (!b)
//{
// //执行插入
//}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
// Console.ReadLine();
}
/// <summary>
/// 查询站数据库 DataReader方式
/// </summary>
/// <param name="strWhere">SQL语句条件</param>
/// <param name="sql">SQL连接字符串</param>
/// <returns></returns>
public static SqlDataReader timerToSql(string strWhere)
{
// Comm.ComStr.StrSql = sql;//公共方法传SQL字符串
StringBuilder strSql = new StringBuilder();
strSql.Append("select *");
strSql.Append(" FROM [deviantList] ");
if (strWhere.Trim() != "")
{
strSql.Append(" where " + strWhere);
}
return DbHelperSQL.ExecuteReader(strSql.ToString());
}
}
}
///
/// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
///
/// 查询语句
/// SqlDataReader
public static SqlDataReader ExecuteReader(string strSQL,string connStr )
{
SqlConnection connection = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand(strSQL, connection);
try
{
connection.Open();
SqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
return myReader;
}
catch (System.Data.SqlClient.SqlException e)
{
throw e;
}
}
B服务器开启timer一直读取A服务器的数据，向我种写法会不会导致SQLSERVER资源被耗尽，或线程池资源被耗尽？
看网上资料SQLDateReader一定要关闭，不然会导致线程池被耗尽,但我现在写在using模块里应该执行完了就会自动释放吧？
