JTextField的setEnabled()和setEditable()有什么区别啊

skystar2001 2007-08-20 03:38:13

我知道
setEnabled()是有效无效
setEditable()是否可编辑

可对于JTextField,我认为setEditable()就可以替代setEnabled().
不知道具体有什么区别,有高手知道么?

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zdjray 2007-08-21

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有区别的
Enable是说整个都不能用了
Editable只是不能编辑

假如不Enable的话，比如鼠标之类的就不能响应了

用JAVA做个简单的聊天室import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; public class Guess extends JApplet implements ActionListener { boolean isGuess = true; Font headlineFont = new Font("Helvetica", Font.BOLD, 20); JTextField Title = new JTextField(" Number Guessing "); JTextField guess = new JTextField("",20); JTextField answer = new JTextField("",20); JButton button=new JButton(" GUESS "); JButton button1=new JButton("TRY AGAIN"); int num=(int)(Math.random()*100); public void init() { Container con = getContentPane(); con.setLayout(new FlowLayout()); //BorderLayout borderWithGap = new BorderLayout(5,1); con.add(Title); Title.setFont(headlineFont); Title.setEditable(false); answer.setEditable(false); con.add(guess); con.add(button); con.add(button1); con.add(answer); button.addActionListener(this); button1.addActionListener(this); button.setEnabled(isGuess); button1.setEnabled(!isGuess); /*Title.setLocation(0,0); guess.setLocation(20,40); answer.setLocation(20,60); button.setLocation(50,40); button1.setLocation(50,60);*/ con.setLocation(100,100); con.setSize(300,300); con.setVisible(true); } public void actionPerformed(ActionEvent e) { Object source = e.getSource(); int x=Integer.parseInt(guess.getText()); if (source==button1){ isGuess = true ; button.setEnabled(isGuess); button1.setEnabled(!isGuess); } if (source==button) { isGuess = false; button.setEnabled(isGuess); button1.setEnabled(!isGuess); if (x==num) { answer.setText("Great!good Job!"); } else if (x>num) answer.setText("Sorry! bad luck!Guess a small one!"); else answer.setText("Sorry! bad luck!Guess a large one!"); } } }

Socket聊天室源程序 import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; import java.io.*; import java.net.*; /* * 聊天客户端的主框架类 */ public class ChatClient extends JFrame implements ActionListener{ String ip = "127.0.0.1";//连接到服务端的ip地址 int port = 8888;//连接到服务端的端口号 String userName = "匆匆过客";//用户名 int type = 0;//0表示未连接，1表示已连接 Image icon;//程序图标 JComboBox combobox;//选择发送消息的接受者 JTextArea messageShow;//客户端的信息显示 JScrollPane messageScrollPane;//信息显示的滚动条 JLabel express,sendToLabel,messageLabel ; JTextField clientMessage;//客户端消息的发送 JCheckBox checkbox;//悄悄话 JComboBox actionlist;//表情选择 JButton clientMessageButton;//发送消息 JTextField showStatus;//显示用户连接状态 Socket socket; ObjectOutputStream output;//网络套接字输出流 ObjectInputStream input;//网络套接字输入流 ClientReceive recvThread; //建立菜单栏 JMenuBar jMenuBar = new JMenuBar(); //建立菜单组 JMenu operateMenu = new JMenu ("操作(O)"); //建立菜单项 JMenuItem loginItem = new JMenuItem ("用户登录(I)"); JMenuItem logoffItem = new JMenuItem ("用户注销(L)"); JMenuItem exitItem=new JMenuItem ("退出(X)"); JMenu conMenu=new JMenu ("设置(C)"); JMenuItem userItem=new JMenuItem ("用户设置(U)"); JMenuItem connectItem=new JMenuItem ("连接设置(C)"); JMenu helpMenu=new JMenu ("帮助(H)"); JMenuItem helpItem=new JMenuItem ("帮助(H)"); //建立工具栏 JToolBar toolBar = new JToolBar(); //建立工具栏中的按钮组件 JButton loginButton;//用户登录 JButton logoffButton;//用户注销 JButton userButton;//用户信息的设置 JButton connectButton;//连接设置 JButton exitButton;//退出按钮 //框架的大小 Dimension faceSize = new Dimension(400, 600); JPanel downPanel ; GridBagLayout girdBag; GridBagConstraints girdBagCon; public ChatClient(){ init();//初始化程序 //添加框架的关闭事件处理 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.pack(); //设置框架的大小 this.setSize(faceSize); //设置运行时窗口的位置 Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); this.setLocation( (int) (screenSize.width - faceSize.getWidth()) / 2, (int) (screenSize.height - faceSi

package com.skeyedu.fingerGuess; import java.awt.Dimension; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JRadioButton; import javax.swing.JTextArea; import javax.swing.JTextField; public class MainFrame extends JFrame { private MainFrame fingerGuessing = this; private JButton stone; // 石头 private JButton scissors; // 剪刀 private JButton cloth; // 布 private JButton start; // 开始按钮 private JButton exit; // 退出按钮 private JLabel node; // 出拳提示 private JLabel resultShow; // 结果公布 private JTextArea text; // 游戏进程显示文本 private JPanel jpanel; private JRadioButton radioBut1; //单选按钮，选择模式娱乐 private JRadioButton radioBut2; //竞技模式 private ButtonGroup butGroup; //按钮组 private JTextField jushu; //局数输入文本框 private JButton setMode; //设置模式按钮 private Game game; private GameOper gameOper; public MainFrame() { this.init(); // 调用初始化方法 this.setSize(new Dimension(450, 460)); this.setContentPane(getJpanel()); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setResizable(false); this.setLocation(300, 150); this.setTitle("石头-剪刀-布"); this.setVisible(true); } public void init() { //初始化组件及其位置大小 game = new Game(); gameOper = new GameOper(); node = new JLabel("请单击下面按钮出拳！"); node.setBounds(new Rectangle(30, 60, 200, 30)); stone = new JButton(new ImageIcon("ico/shitou.jpg")); stone.setBounds(new Rectangle(30, 85, 55, 60)); stone.setEnabled(false); scissors = new JButton(new ImageIcon("ico/jiandao.jpg")); scissors.setBounds(new Rectangle(120, 85, 55, 60)); scissors.setEnabled(false); cloth = new JButton(new ImageIcon("ico/bu.jpg")); cloth.setBounds(new Rectangle(210, 85, 55, 60)); cloth.setEnabled(false); resultShow = new JLabel("游戏情况：总局数为"+game.getTotalTime()+"，当前模式："+((game.getGameMode()==0)?"娱乐模式":"竞技模式")); resultShow.setBounds(new Rectangle(30, 145, 500, 30)); text = new JTextArea(); text.setText("游戏进度显示：\n玩家计算机结果"); text.setEditable(false); text.setBounds(new Rectangle(30, 175, 400, 200)); start = new JButton("开始"); start.setBounds(new Rectangle(100, 385, 100, 30)); exit = new JButton("退出"); exit.setBounds(new Rectangle(205, 385, 100, 30)); radioBut1 = new JRadioButton("娱乐模式"); radioBut1.setSelected(true); radioBut2 = new JRadioButton("竞技模式"); butGroup=new ButtonGroup(); butGroup.add(radioBut1); butGroup.add(radioBut2); radioBut1.setBounds(new Rectangle(20,10,80,30)); radioBut2.setBounds(new Rectangle(100,10,80,30)); jushu = new JTextField(); jushu.setBounds(new Rectangle(20,40,60,20)); setMode = new JButton("设置局数"); setMode.setBounds(new Rectangle(80, 40, 100, 20)); } private JLabel getNode() { return node; } private JButton getStone() { stone.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { checkAndOutput("石头", 0); } }); return stone; } private JButton getScissors() { scissors.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { checkAndOutput("剪刀", 1); } }); return scissors; } private JButton getCloth() { cloth.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { checkAndOutput("布---", 2); } }); return cloth; } // 结果显示框提示 private JLabel getResultShow() { return resultShow; } // 进程及结果显示文本框 private JTextArea getText() { return text; } // 继续 private JButton getStart() { start.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { cloth.setEnabled(true); scissors.setEnabled(true); stone.setEnabled(true); text.setText("游戏进度显示：\n玩家计算机结果"); start.setText("重新開始"); game.resetGame(); } }); return start; }

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