xueshenglixiaobean.java

JSP开发的学生信息管理系统

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   XueshengLixiaoBean.java

package mypackage;

import java.io.PrintStream;
import java.sql.*;

// Referenced classes of package mypackage:
//			DataBaseConnection, XueshengLixiao

public class XueshengLixiaoBean
{

	private Connection con;

	public XueshengLixiaoBean()
	{
		con = null;
		con = DataBaseConnection.getConnection();
	}

	public String addexitXuesheng(XueshengLixiao xueshenglixiao)
	{
		PreparedStatement preparedstatement = null;
		String s = "";
		try
		{
			preparedstatement = con.prepareStatement("insert into XueshengLixiao values(?,?,?,?,?)");
			preparedstatement.setString(1, xueshenglixiao.getStudentId());
			preparedstatement.setString(2, xueshenglixiao.getLeaveTime());
			preparedstatement.setString(3, xueshenglixiao.getLeaveReason());
			preparedstatement.setString(4, xueshenglixiao.getRemark());
			preparedstatement.setString(5, "3");
			preparedstatement.execute();
			s = "sucess";
		}
		catch (SQLException sqlexception)
		{
			System.err.println(sqlexception.getMessage());
			s = "failer";
		}
		finally
		{
			try
			{
				preparedstatement.close();
				con.close();
			}
			catch (Exception exception1)
			{
				exception1.printStackTrace();
			}
		}
		return s;
	}

	public String addrestXuesheng(XueshengLixiao xueshenglixiao)
	{
		PreparedStatement preparedstatement = null;
		String s = "";
		try
		{
			preparedstatement = con.prepareStatement("insert into XueshengLixiao values(?,?,?,?,?)");
			preparedstatement.setString(1, xueshenglixiao.getStudentId());
			preparedstatement.setString(2, xueshenglixiao.getLeaveTime());
			preparedstatement.setString(3, xueshenglixiao.getLeaveReason());
			preparedstatement.setString(4, xueshenglixiao.getRemark());
			preparedstatement.setString(5, "2");
			preparedstatement.execute();
			s = "sucess";
		}
		catch (SQLException sqlexception)
		{
			System.err.println(sqlexception.getMessage());
			s = "failer";
		}
		finally
		{
			try
			{
				preparedstatement.close();
				con.close();
			}
			catch (Exception exception1)
			{
				exception1.printStackTrace();
			}
		}
		return s;
	}

	public String addbackXuesheng(XueshengLixiao xueshenglixiao)
	{
		PreparedStatement preparedstatement = null;
		String s = "";
		try
		{
			preparedstatement = con.prepareStatement("insert into XueshengLixiao values(?,?,?,?,?)");
			preparedstatement.setString(1, xueshenglixiao.getStudentId());
			preparedstatement.setString(2, xueshenglixiao.getLeaveTime());
			preparedstatement.setString(3, xueshenglixiao.getLeaveReason());
			preparedstatement.setString(4, xueshenglixiao.getRemark());
			preparedstatement.setString(5, "1");
			preparedstatement.execute();
			s = "sucess";
		}
		catch (SQLException sqlexception)
		{
			System.err.println(sqlexception.getMessage());
			s = "failer";
		}
		finally
		{
			try
			{
				preparedstatement.close();
				con.close();
			}
			catch (Exception exception1)
			{
				exception1.printStackTrace();
			}
		}
		return s;
	}

	public ResultSet executeQuery(String s)
	{
		Object obj = null;
		ResultSet resultset = null;
		try
		{
			Statement statement = con.createStatement(1005, 1008);
			resultset = statement.executeQuery(s);
		}
		catch (SQLException sqlexception)
		{
			System.err.println(sqlexception.getMessage());
		}
		return resultset;
	}

	public void close()
	{
		try
		{
			con.close();
		}
		catch (SQLException sqlexception)
		{
			sqlexception.printStackTrace();
		}
	}
}