searopencourinfobyopencouridhandler.java

在本系统中

//可以按照开课编号、专业编号、课程编号分别查询本学期、本学年的开课信息，
//也可以查询所有的开课信息。显示的开课信息包括：开课编号、课程名称、学期、学年、教师姓名五个数据项。


//按开课编号查询

package jin.handler;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import java.util.*;

import jin.dao.*;
import jin.bean.*;
import jin.view.*;
import jin.internalFrame.*;


public class SearOpenCourInfoByOpenCourIDHandler extends JInternalFrame
{
	private JTable table;

	private SearOpenCourInfoByOpenCourID searOpenCourInfoByOpenCourID;
	private JComboBox comboBox;

	public SearOpenCourInfoByOpenCourIDHandler(SearOpenCourInfoByOpenCourID searOpenCourInfByOpenCourID)  //,String Id
	{
		this.searOpenCourInfoByOpenCourID=searOpenCourInfByOpenCourID;
		comboBox=searOpenCourInfoByOpenCourID.getComboBox();
		
		String sql1="select * from openCourseInfo";
		OpenCourseInfoDAO openCourseInfoDAO=new OpenCourseInfoDAO();
		ArrayList openCourlist=openCourseInfoDAO.excuteQuery(sql1);
		OpenCourseInfoBean openCourseInfoBean=null;
		
		for(int i=0;i<openCourlist.size();i++)
		{
			openCourseInfoBean=(OpenCourseInfoBean)openCourlist.get(i);
			comboBox.addItem(openCourseInfoBean.getOpenCourseID());		
		}		
		
		searOpenCourInfoByOpenCourID.getButtonsPanel().getButton(0).addActionListener
		(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{	
					String[] columnNames={"开课编号","课程名称","学期","学年","教师姓名"};
					DefaultTableModel tableModel=new DefaultTableModel(columnNames,0);	
					
					//int flag=0;				
					
					String sql1="select * from openCourseInfo where openCourseID='"+comboBox.getSelectedItem().toString().trim()+"'";
					OpenCourseInfoDAO openCourseInfoDAO=new OpenCourseInfoDAO();
					OpenCourseInfoBean openCourseInfoBean=(OpenCourseInfoBean)openCourseInfoDAO.excuteQuery(sql1).get(0);
					
					String sql2="select * from courseInfo where courseID='"+openCourseInfoBean.getCourseID()+"'";
					CourseInfoDAO courseInfoDAO=new CourseInfoDAO();
				//	ArrayList courScolist=courseScoreInfoDAO.excuteQuery(sql2);
					CourseInfoBean courseInfoBean=(CourseInfoBean)courseInfoDAO.excuteQuery(sql2).get(0);
					
					
					String sql3="select * from teaInfo where teaID='"+openCourseInfoBean.getTeaID()+"'";
					TeaInfoDAO teaInfoDAO=new TeaInfoDAO();
				//	ArrayList courScolist=courseScoreInfoDAO.excuteQuery(sql2);
					TeaInfoBean teaInfoBean=(TeaInfoBean)teaInfoDAO.excuteQuery(sql3).get(0);
					
					
					String[] object={comboBox.getSelectedItem().toString().trim(),courseInfoBean.getCourseName(),openCourseInfoBean.getOpenXQ(),openCourseInfoBean.getOpenYear(),teaInfoBean.getTeaName()
					};
					tableModel.addRow(object);
				
				
					table=new JTable(tableModel);
			
					JScrollPane scrollPanel=new JScrollPane(table,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
					searOpenCourInfoByOpenCourID.add(scrollPanel,BorderLayout.CENTER);
					searOpenCourInfoByOpenCourID.setSize(450,451);
				}
			
			}
		);	
		
		searOpenCourInfoByOpenCourID.getButtonsPanel().getButton(1).addActionListener
		(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{
					searOpenCourInfoByOpenCourID.setVisible(false);	
				}
			}
		);	
	}
}