我用asp.net做了一个教育网站,把它放在了服务器上,在客户端运行时好使,可第二天早上来显示错误,意思是连接超出停止的一段英文!
初步断定是连接池的问题,可在本机上没有出现过这个问题,挺正常的,我把连接持的代码又重新按原来的复制了一遍就好使了,不知到是什么地方有问题!
连接池代码如下:
using System;
using System.Data;
using System.Collections;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using MySql.Data.MySqlClient;
using MySql.Data;
namespace DBManager
{
/// <summary>
/// DBPool 的摘要说明
/// </summary>
public class DBPool
{
/// <summary>
/// 唯一实例
/// </summary>
private static DBPool instance;
/// <summary>
/// 记录当前的位置
/// </summary>
private int indexConn = 0;
/// <summary>
/// 当前池中连接的个数
/// </summary>
private int allConns = 0;
/// <summary>
/// 保存数据库连接对象的池对象
/// </summary>
private ArrayList ar_conn = new ArrayList();
public static DBPool getInstance()
{
if (instance == null)
instance = new DBPool();
return instance;
}
/// <summary>
/// 创建连接
/// </summary>
private void createPool()
{
for (int i = 0; i < 8; i++)
{
MySqlConnection conn = new MySqlConnection(ConfigurationManager.AppSettings["conn"]);
try
{
conn.Open();
}
catch
{
}
ar_conn.Add(conn);
allConns++;
}
//allConns += 8;
}
/// <summary>
/// 获得一个数据库连接
/// </summary>
/// <returns></returns>
public MySqlConnection getConn()
{
if (ar_conn.Count == 0)
{
createPool();
return getConn();
}
else
{
MySqlConnection sc = (MySqlConnection)ar_conn[indexConn];
indexConn++;
if (indexConn >= allConns)
indexConn = 0;
return sc;
}
}
/// <summary>
/// 释放数据库连接
/// </summary>
public void releaseConn(MySqlConnection conn)
{
///
}
}
}
请大家给指点一下,谢谢!