jtreemodel3.java

一个个人信息管理系统

package soft1Method;

import javax.swing.JTree;
import java.sql.SQLException;
import javax.swing.tree.DefaultMutableTreeNode;
import java.sql.ResultSet;
import java.text.SimpleDateFormat;

public class JTreeModel3 {
    public JTreeModel3() {
    }
    Dataset2 dt = new Dataset2();
     GetValue gv=new GetValue();
     SimpleDateFormat tempDate = new SimpleDateFormat("yyyy-MM-dd");
     public String datetime3 = tempDate.format(new java.util.Date());
     public  JTree JTreeModel3() throws ClassNotFoundException, SQLException {
    DefaultMutableTreeNode Root = new DefaultMutableTreeNode("所有日记", true);

    //DefaultMutableTreeNode Node1 = new DefaultMutableTreeNode("今天");
    //DefaultMutableTreeNode Node2 = new DefaultMutableTreeNode("历史");
   // Root.add(Node2);
    //Root.add(Node1);
    String s = "Select * from NotePad where UserName='"+gv.Getvalue()+"'";
    ResultSet rs= dt.Rs(s);
    while (rs.next()) {


       String s2=rs.getString("Caption");
       DefaultMutableTreeNode childnode1= new DefaultMutableTreeNode(s2);
       Root.add(childnode1);

        }


  JTree jtree1=new JTree(Root);
  return jtree1;
}
public  void JtreeRepaind( JTree jt) throws SQLException, ClassNotFoundException {
   jt=JTreeModel3();
}


}