teachersearchpanel.java~2~

使用JBuilder基于Oracle数据库的课程作业

package superframe.factionpanels.searchpanel;

import superframe.factionpanels.infopanel.TeacherInfoPanel;
import java.awt.event.ActionEvent;

public class TeacherSearchPanel extends SearchPanel {
    public TeacherSearchPanel(String cno, boolean e){
        infoPanel=new TeacherInfoPanel(e);
        initialize(cno,e);
    }

    public void addNodes() {
        try {
            if(top!=null)top.removeAllChildren();
            ResultSet rs=SQLRunner.getResult("select * from college where college_no='"+college_no+"'");
            if(!rs.next())return;
            top=new DefaultMutableTreeNode(college_no+rs.getString("coname"));
            ResultSet rdp=SQLRunner.getResult("select * from department where department.college_no='"+college_no+"'");
            while (rdp.next()) {
               String dno=rdp.getString("DEPART_NO");
               String dpname=rdp.getString("dpname");
               DefaultMutableTreeNode dp=new DefaultMutableTreeNode(dno+'/'+dpname);
               top.add(dp);
               ResultSet rcl=SQLRunner.getResult("select * from class where class.depart_no='"+dno+"'");
               while (rcl.next()) {
                   String clno=rcl.getString("class_no");
                   System.out.println(clno);
                   String clname=rcl.getString("clname");
                   DefaultMutableTreeNode cl=new DefaultMutableTreeNode(clno+'/'+clname);
                   dp.add(cl);
                   ResultSet rst=SQLRunner.getResult("select * from student where student.class_no='"+clno+"'");
                   while (rst.next()) {
                       String sno=rst.getString("Stu_no");
                       System.out.println(clno);
                       String sname=rst.getString("sname");
                       DefaultMutableTreeNode s=new DefaultMutableTreeNode(sno+'/'+sname);
                       cl.add(s);
                   }
              }
          }
        } catch (SQLException ex) {
        }

    }

    public void setView(String s) {
    }
}