jdbcodbc_con.java

1.解压缩 (如解压缩到虚拟目录下) 2.将web-inf内的class文件放入适当的位置 3.建数据源

package sts;
import java.sql.*;
public class JdbcOdbc_Con
{
	String dbDriver = "sun.jdbc.odbc.JdbcOdbcDriver"; 
	String strCon = "jdbc:odbc:sts"; 
	Connection con = null;
	ResultSet rs = null;
	Statement stmt = null;
	public JdbcOdbc_Con()
	{
		try
		{
			Class.forName(dbDriver);
		}
		catch(java.lang.ClassNotFoundException e)
		{
			System.err.println("数据库驱动程序加载失败，异常为：" + e.getMessage());
		}
		finally
		{
			System.out.println("驱动程序加载成功");
		}
	}
	public ResultSet executeQuery(String strSQL)
	{
		rs = null;
		try
		{
			con = DriverManager.getConnection(strCon);
			Statement stmt = con.createStatement();
			rs = stmt.executeQuery(strSQL);
			
		}
		catch(SQLException ex)
		{
			System.err.println("连接数据库失败了，异常为：" +ex.getMessage());
		}
		finally
		{
			System.out.println("数据库连接成功");
		}
		return rs;
	}
	
	public void executeUpdate(String strSQL)
	{
		try
		{
			con = DriverManager.getConnection(strCon);
			stmt = con.createStatement();
			stmt.executeQuery(strSQL);
		}
		catch(SQLException ex)
		{
			System.err.println("连接数据库失败了，异常为：" +ex.getMessage());
		}
	}

	 public String ex_chinese(String str)
     {
		 if(str==null)
		 {
				str  ="" ;
		 }
		 else
		 {
			   try
			   {
					 str = new String(str.getBytes("iso-8859-1"),"gb2312") ;
			   }
			   catch (Exception ex) 
			   {
					System.err.println("异常为：" +ex.getMessage());
			   }
		 }
		 return str ;
     }

	 public String gettime()
	 {
		String datestr =  "" ;
		try
		{
			java.text.DateFormat df = new java.text.SimpleDateFormat("yyyy年MM月dd日 HH点ss分") ;
			java.util.Date date = new java.util.Date() ;
			datestr = df.format(new java.util.Date()) ;
		}
		catch (Exception ex)
		{
			System.err.println("异常为：" +ex.getMessage());
		}

		return datestr ;
	 }
}