java如何实现下面的界面？

麻烦您源代码 写出来 谢谢啊！

答案：这个是我以前练习时写的，希望对你有帮助
 

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Vector;
import javax.swing.Icon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeModel;
public class JTreeTest extends JFrame {
 private Vector<Vector<String>> rowJTableData;
 private Vector<String> columnJTableName;
 private DefaultTreeModel treeModel;
 private Hashtable<String,Object> jtreeData;
 private JSplitPane splitPanel;
 private JTable jtable;
 private JScrollPane scrollTablePanel;
 private JScrollPane scrollTreePanel;
 private JPanel treePanel;
 private JPanel tablePanel;
 private JTree jtree;
 public JTreeTest()
 {
  initComponent();
  setComponentListener();
  this.setMinimumSize(new Dimension(800,600));
  this.setLocationRelativeTo(null);
 }
 private void initComponent()
 {
  Container content=this.getContentPane();
  jtable=new JTable(initJTableRowData(),initJTableColumnName());
  scrollTablePanel=new JScrollPane(jtable,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
  tablePanel=new JPanel();
  tablePanel.setLayout(new BorderLayout());
  tablePanel.add(scrollTablePanel);
  
  jtree=new JTree(testData());
  treePanel=new JPanel();
  treePanel.setLayout(new BorderLayout());
  scrollTreePanel=new JScrollPane(jtree,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
  treePanel.add(scrollTreePanel);
  splitPanel=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT ,true,treePanel,tablePanel);
  splitPanel.setDividerLocation(200);//设置分割比例
  splitPanel.setOneTouchExpandable(true);//设置是否有展开或收缩箭头
  splitPanel.setDividerSize(10);//设置分隔条大小
  
  DefaultTreeCellRenderer applyTreeCellRenderer = new DefaultTreeCellRenderer() {
   public Component getTreeCellRendererComponent(JTree tree, Object value,
     boolean selected, boolean expanded, boolean leaf, int row,
     boolean hasFocus) {
    super.getTreeCellRendererComponent(tree, value, selected, expanded,
      leaf, row, hasFocus);
    DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) value;
    Object userObj = treeNode.getUserObject();
    if (userObj instanceof Hashtable) {
     this.setIcon(null);
     this.setText((String) ((Hashtable) userObj).get("name"));
    }
    return this;
   }
  };
  jtree.setCellRenderer(applyTreeCellRenderer);
  content.add(splitPanel);
 }
 private void setComponentListener()
 {
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 }
 /*
 private Hashtable<String,Object> initJTreeData()
 {
  String[] s1={"蔬菜食品","肉食品","副食品"};
  String[] s2={"苹果","香蕉","西瓜"};
  jtreeData=new Hashtable();
  Hashtable ht1=new Hashtable();
  Hashtable ht2=new Hashtable();
  ht1.put("蔬菜食品", new String[]{"白菜","萝卜","土豆"});
  ht1.put("肉食品", new String[]{"牛肉","猪肉","羊肉"});
  ht1.put("副食品", ht2); 
  ht2.put("水果", s2);
  jtreeData.put("食品", ht1);
  return jtreeData;
 }*/
 private Vector<Vector<String>> initJTableRowData()
 {
  rowJTableData=new Vector<Vector<String>>();
  Vector<String> columnJTableData=new Vector<String>();
  columnJTableData.add("1");
  columnJTableData.add("2");
  columnJTableData.add("3");
  rowJTableData.add(columnJTableData);
  return rowJTableData;
 }
 private void addSubNode(DefaultMutableTreeNode paraent,Vector<Hashtable> nodelist,Vector<Hashtable> list)
 {
  Hashtable subTable=null;
  for(int i=0;i<nodelist.size();i++)
  {
   subTable=nodelist.get(i);
   DefaultMutableTreeNode childNode=new DefaultMutableTreeNode(subTable,true);
   paraent.add(childNode);
   Vector<Hashtable> subList=getSubNode(subTable,list);
   //System.out.println(subList.size()+":"+list.size());
   if(subList.size()<1)continue;
   addSubNode(childNode,subList,list);
  }
 }
 private DefaultMutableTreeNode initJTreeData(Vector<Hashtable> list)
 {
  Hashtable table=null;
  DefaultMutableTreeNode root=null;
  for(int i=0;i<list.size();i++)
  {
   table=list.get(i);
   if(table.get("pid").equals("000"))
   {
    root=new DefaultMutableTreeNode(table,true);
    Vector<Hashtable> subNode=getSubNode(table,list);
    addSubNode(root,subNode,list);
   }
  } 
  return root; 
 }
 
 private DefaultMutableTreeNode testData()
 {
  Vector<Hashtable> list=new Vector<Hashtable>();
  Hashtable<String,String> item1=new Hashtable<String,String>();
  item1.put("name", "食品");
  item1.put("id","001");
  item1.put("pid","000");
  Hashtable<String,String> item2=new Hashtable<String,String>();
  item2.put("name", "蔬菜食品");
  item2.put("id", "002");
  item2.put("pid", "001");
  Hashtable<String,String> item3=new Hashtable<String,String>();
  item3.put("name", "肉类食品");
  item3.put("id", "003");
  item3.put("pid", "001");
  Hashtable<String,String> item4=new Hashtable<String,String>();
  item4.put("name", "副类食品");
  item4.put("id", "004");
  item4.put("pid", "001");
  Hashtable<String,String> item5=new Hashtable<String,String>();
  item5.put("name", "水果");
  item5.put("id", "005");
  item5.put("pid","004");
  Hashtable<String,String> item6=new Hashtable<String,String>();
  item6.put("name", "苹果");
  item6.put("id", "006");
  item6.put("pid","005");
  Hashtable<String,String> item7=new Hashtable<String,String>();
  item7.put("name", "香蕉");
  item7.put("id","007" );
  item7.put("pid", "005");
  list.add(item1);
  list.add(item2);
  list.add(item3);
  list.add(item4);
  list.add(item5);
  list.add(item6);
  list.add(item7);
  return initJTreeData(list);
 }
 
 private Vector<Hashtable> getSubNode(Hashtable<String,String> table,Vector<Hashtable> list)
 {
  String id=table.get("id");
  System.out.println(id);
  Vector<Hashtable> subNode=new Vector<Hashtable>();
  for(int i=0;i<list.size();i++)
  {
   Hashtable<String,String> temp=list.get(i);
   String pid=temp.get("pid");
   if(pid.equals(id))
   {
    System.out.println(temp.get("name"));
    subNode.add(temp); 
   }
  }
  return subNode;
 }
 
   
 private Vector<String> initJTableColumnName()
 {
  columnJTableName=new Vector<String>();
  columnJTableName.add("test1");
  columnJTa

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