JAVA有错误,大家看看是哪里出的?
来源:百度知道 编辑:UC知道 时间:2024/09/23 19:33:51
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;
import java.awt.*;
import java.awt.event.*;
import java.io.File;
import java.util.EventObject;
public class FileExplorer extends JFrame{
public FileExplorer(){
final JTree tree = new JTree(createTreeModel());
JScrollPane scrollPane = new JScrollPane(tree);
getContentPane().add(scrollPane, BorderLayout.CENTER);
getContentPane().add(GJApp.getStatusArea(), BorderLayout.SOUTH);
tree.addTreeExpansionListener(new TreeExpansionListener(){
public void treeCollapsed(TreeExpansionEvent e){
}
public void treeExpanded(TreeExpansionEvent e){
UpdateStatus updateThread;
TreePath path = e.getPath();
FileNode node = (FileNode)path.getLastPathComponent();
if(!node.isExplored()
import javax.swing.event.*;
import javax.swing.tree.*;
import java.awt.*;
import java.awt.event.*;
import java.io.File;
import java.util.EventObject;
public class FileExplorer extends JFrame{
public FileExplorer(){
final JTree tree = new JTree(createTreeModel());
JScrollPane scrollPane = new JScrollPane(tree);
getContentPane().add(scrollPane, BorderLayout.CENTER);
getContentPane().add(GJApp.getStatusArea(), BorderLayout.SOUTH);
tree.addTreeExpansionListener(new TreeExpansionListener(){
public void treeCollapsed(TreeExpansionEvent e){
}
public void treeExpanded(TreeExpansionEvent e){
UpdateStatus updateThread;
TreePath path = e.getPath();
FileNode node = (FileNode)path.getLastPathComponent();
if(!node.isExplored()
char型只能存储单个字符.换成String型的.或者把c+=s改成s+=c然后println(s)没必要用value0f,可以自动类型转换
有些错误实在幼稚,请仔细检查在贴