我要实现一个简单功能

Question

  
  static String [] p=new String[10];
  int i0=1;
  int [] add=new int[10];
  int i=1;
  int [] useoffice=new int[10];
  int i1=1;
  int[] usething=new int[10];
  int i2=1;
  int [] spl=new int[10];
  int i3=1;
  int [] sp=new int[10];
  int i4=1; ResultSet rs0 = stmt.executeQuery("select * from rtype");
       DefaultMutableTreeNode root = new DefaultMutableTreeNode("浏览方式");
       pro = new DefaultMutableTreeNode("资产分类");
       root.add(pro);      while(rs0.next())
      {
          this.p[i0]=rs0.getString("t_id");
          String s = rs0.getString("t_type");
          DefaultMutableTreeNode m=new DefaultMutableTreeNode(s);          pro.add(m);          i0++;     }
     ResultSet rs = stmt.executeQuery("select * from addusetype");
     adduse = new DefaultMutableTreeNode("增加方式");
     root.add(adduse);     while (rs.next()) {
       String s = rs.getString("a_type");
       DefaultMutableTreeNode a = new DefaultMutableTreeNode(s);
       adduse.add(a);
       add[i] = rs.getInt("a_id");
       i++;
     }
ResultSet rs1=stmt.executeQuery("select * from bumen");
bumen=new DefaultMutableTreeNode("使用部门");
root.add(bumen); while(rs1.next())
{
    String s1 = rs1.getString("b_value");
    DefaultMutableTreeNode b=new DefaultMutableTreeNode(s1);
    bumen.add(b);
    useoffice[i1]=rs1.getInt("b_id");
    i1++;
}  ResultSet rs2=stmt.executeQuery("select * from isuse");
  isuse=new DefaultMutableTreeNode("使用情况");
  root.add(isuse);   while(rs2.next())
  {
      String s2 = rs2.getString("i_value");
      DefaultMutableTreeNode c=new DefaultMutableTreeNode(s2);
      isuse.add(c);
      usething[i2]=rs2.getInt("i_id");
      i2++;
}
    ResultSet rs3=stmt.executeQuery("select * from saveplace");
     saveplace=new DefaultMutableTreeNode("保存地点");
    root.add(saveplace);     while(rs3.next())
    {
        String s3 = rs3.getString("s_value");
        DefaultMutableTreeNode d=new DefaultMutableTreeNode(s3);
        saveplace.add(d);
        spl[i3]=rs3.getInt("s_id");
        i3++;
  }    ResultSet rs4=stmt.executeQuery("select * from saveperson");
    savaperson=new DefaultMutableTreeNode("保管人员");
    root.add(savaperson);     while(rs4.next())
    {
        String s4 = rs4.getString("sp_value");
        DefaultMutableTreeNode e=new DefaultMutableTreeNode(s4);
        savaperson.add(e);
        sp[i4]=rs4.getInt("sp_id");
        i4++;
  }把数组的内容和子节点的属性关联  我不知道设置属性的函数 请教啊 
后点子节点获取相应的ID 就是表的ID

Answer 1

不懂什么意思，你是要设置userObject吗？

Answer 2

我的意思就是 我想点jtree的一个节点 然后把响应数据库的内容输出来
上面的代码是从数据库中取出相应的id 放在每一个节点的属性里面 点击的时候就可以查询数据库的内容了dawn023 小弟刚学java 指导下 啊
 

Answer 3

我在java中建立了一个JTree的树，我想完成的功能就是，单击某一个节点后，响应对映的操作。 

Answer 4

问题自己解决了，大家来看这段代码  点击jtree节点 jtable刷新不了 public void jTree1_valueChanged(TreeSelectionEvent e) {
    DefaultMutableTreeNode node = (DefaultMutableTreeNode) jTree1.getLastSelectedPathComponent();
    if(node.isLeaf())
    {
        if(node.getParent()==pro)
        {
            
              //JOptionPane.showMessageDialog(this,node.toString(),"消息!",JOptionPane.INFORMATION_MESSAGE);
              try
              {
                 Statement stmt=dbConn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
                 String sql="select * from rtype where t_type='"+node.toString()+"'";
                 ResultSet rs0 = stmt.executeQuery(sql);
                 rs0.next();
                 rsp = stmt.executeQuery("select p_id, p_name,p_type, p_out,p_danwei,p_begintime,p_shuliang p_price,p_nowvalue,p_shuliang from property where p_name!='' and p_shuliang>0 and add_property=" +
                                         rs0.getInt("t_id"));
                 
                 
                 
                 pane.remove(jTable1);
                 
                 ResultSetMetaData rsmd = rsp.getMetaData();
                 int numberOfColumns = rsmd.getColumnCount();
                 int b = 1;
                 model = new DefaultTableModel();
                 jTable1 = new JTable();
       
                 while (b <= numberOfColumns) {
                   model.addColumn(rsmd.getColumnName(b));
                   b++;
                 }
               
                 while (rsp.next()) {
                   Vector newRow = new Vector();
                   int c = 1;
                   while (c <= numberOfColumns) {
                     newRow.addElement(rsp.getString(c));
                     c++;
                   }
                   model.addRow(newRow);
                 }
                  jTable1.setModel(model);
                 jTable1.updateUI();
                 jTable1.repaint();
                 
                 pane = new JScrollPane(jTable1);
               
               }
               catch (Exception ex) {
                 ex.printStackTrace();
               }            
        }
    }