📄 delstuscoreinfohandler.java
字号:
package jin.handler;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.util.*;
import jin.internalFrame.*;
import jin.dao.*;
import jin.bean.*;
//(7.开课信息
//开课编号、课程编号、开课学年、开课学期、教师编号
//8.课程成绩信息
//学生学号、课程编号、学年、学期、成绩、教师编号、状态、备注
//9.选课信息
//学生学号、开课编号)
public class DelStuScoreInfoHandler
{
private DelStuScoreInfo delStuScoreInfo;
private JComboBox[] comboBoxs;
private String id;
private OpenCourseInfoBean openCourseInfoBean=null;
public DelStuScoreInfoHandler(DelStuScoreInfo delStuScoreInf,String Id)
{
this.delStuScoreInfo=delStuScoreInf;
comboBoxs=delStuScoreInfo.getComboBoxs();
this.id=Id;
String sql="select * from openCourseInfo";
OpenCourseInfoDAO openCourseInfoDAO=new OpenCourseInfoDAO();
ArrayList openCourseList=openCourseInfoDAO.excuteQuery(sql);
// OpenCourseInfoBean openCourseInfoBean=null;
for(int i=0;i<openCourseList.size();i++)
{
openCourseInfoBean=(OpenCourseInfoBean)openCourseList.get(i);
if(openCourseInfoBean.getTeaID().trim().equals(id))
{
comboBoxs[0].addItem(openCourseInfoBean.getCourseID().trim());
}
}
comboBoxs[0].addActionListener
(
new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
comboBoxs[1].removeAllItems();
String sql1="select * from openCourseInfo";
OpenCourseInfoDAO openCourseInfoDAO=new OpenCourseInfoDAO();
ArrayList list=openCourseInfoDAO.excuteQuery(sql1);
//OpenCourseInfoBean openCourseInfoBean=null;
for(int i=0;i<list.size();i++)
{
openCourseInfoBean=(OpenCourseInfoBean)list.get(i);
if(openCourseInfoBean.getTeaID().trim().equals(id) && comboBoxs[0].getSelectedItem().toString().equals(openCourseInfoBean.getCourseID().trim()))
{
String sql2="select * from choiceCourseInfo";
ChoiceCourseInfoDAO choiceCourseInfoDAO=new ChoiceCourseInfoDAO();
ArrayList choiceList=choiceCourseInfoDAO.excuteQuery(sql2);
ChoiceCourseInfoBean choiceCourseInfoBean=null;
for(int j=0;j<choiceList.size();j++)
{
choiceCourseInfoBean=(ChoiceCourseInfoBean)choiceList.get(j);
if(choiceCourseInfoBean.getOpenCourseID().trim().equals(openCourseInfoBean.getOpenCourseID().trim()))
{
comboBoxs[1].addItem(choiceCourseInfoBean.getStuID().trim());
}
}
break;
}
}
}
}
);
//(7.开课信息
//开课编号、课程编号、开课学年、开课学期、教师编号
//8.课程成绩信息
//学生学号、课程编号、学年、学期、成绩、教师编号、状态、备注
//9.选课信息
//学生学号、开课编号)
delStuScoreInfo.getButtonsPanel().getButton(0).addActionListener
(
new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
String sql3="select * from CourseScoreInfo";
CourseScoreInfoDAO courseScoreInfoDAO=new CourseScoreInfoDAO();
ArrayList list=courseScoreInfoDAO.excuteQuery(sql3);
CourseScoreInfoBean courseScoreInfoBean=null;
boolean BOK=false;
for(int i=0;i<list.size();i++)
{
courseScoreInfoBean=(CourseScoreInfoBean)list.get(i);
if(courseScoreInfoBean.getTeaID().trim().equals(id) && comboBoxs[0].getSelectedItem().toString().trim().equals(courseScoreInfoBean.getCourseID().trim()) && comboBoxs[1].getSelectedItem().toString().trim().equals(courseScoreInfoBean.getStuID().trim()))
{
String sql4="delete * from courseScoreInfo where stuID='"+comboBoxs[1].getSelectedItem().toString().trim()+"'and CourseID='"+comboBoxs[0].getSelectedItem().toString().trim()+"' and teaID='"+id+"'";
// OpenCourseInfoDAO openCourseInfoDAO=new OpenCourseInfoDAO();
BOK=courseScoreInfoDAO.delete(sql4);
if(BOK)
{
JOptionPane.showMessageDialog(null,"删除学生成绩信息成功!");
}
else
{
JOptionPane.showMessageDialog(null,"删除学生成绩信息失败!");
}
}
}
delStuScoreInfo.setVisible(false);
}
}
);
delStuScoreInfo.getButtonsPanel().getButton(1).addActionListener
(
new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
delStuScoreInfo.setVisible(false);
}
}
);
}
public static void main(String args[])
{
JFrame frame=new JFrame();
JDesktopPane desktopPane=new JDesktopPane();
DelStuScoreInfo app=new DelStuScoreInfo(frame,desktopPane,"t002");
frame.setSize(500,500);
frame.setVisible(true);
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -