求一个用JAVA编写的记事本的源程序
- 提问者网友:半生酒醒
- 2021-04-26 08:34
- 五星知识达人网友:鸽屿
- 2021-04-26 09:49
你是课程设计用到的吧?建议不用做的太牛 从网上COPY源码改改 实现基本功能就OK了
我也做过一个 不过太长了 不让提交~
- 1楼网友:街头电车
- 2021-04-26 10:10
程序太长,这是一部分代码
源代码如下:
//切记该文件应该用note.java命名// import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.*; import javax.swing.*; public class note { public static void main(String[] args) { myfr fr=new myfr("JAVA记事本"); fr.setSize(560,395); } } ///////////////////////////myfr主窗体类////////////////////////////////////// class myfr extends JFrame implements ActionListener { String str,strnext,path,fname; //部分变量的声明 JPanel mainpane; JFileChooser choose = new JFileChooser(); //文件对话框 Dialog find,replace; //find为查找对话框,replace对话框 JTextField findtxt,repltxt; //find为查找对话框的输入文本区,replace对话框的输入文本区 Font newfont; JButton findenter,replb; //find为查找对话框,replace对话框的确定按钮 JLabel state=new JLabel(" JAVA记事本------未命名文档"); //状态栏 JTextArea txt1; //主输入文本区 File newfiles; JPopupMenu popm; //弹出菜单声明 JMenu m1,m2,m3,m4,m5,m6; //各菜单项 JMenuItem m61,m62,m26,m271,m34,m51,m52,m53,m54,p_copy,p_cut,p_paste,p_del; int startp,endp,nexttemp,newstartp,newendp; //查找替换时所用的临时变量 JToolBar toolbar = new JToolBar(); //工具条
JButton newf=new JButton(new ImageIcon("pic/new.gif")); //图标在PIC下 JButton open=new JButton(new ImageIcon("pic/open.gif")); JButton save=new JButton(new ImageIcon("pic/save.gif")); JButton copy=new JButton(new ImageIcon("pic/copy.gif")); JButton cut=new JButton(new ImageIcon("pic/cut.gif")); JButton pp=new JButton(new ImageIcon("pic/pp.gif")); JButton del=new JButton(new ImageIcon("pic/del.gif")); JButton findc=new JButton(new ImageIcon("pic/find.gif")); JButton color=new JButton(new ImageIcon("pic/color.gif")); JButton help=new JButton(new ImageIcon("pic/help.gif")); JButton exit=new JButton(new ImageIcon("pic/exit.gif"));
myfr(String sss) /////构造函数开始 { super(sss); JMenuBar mb=new JMenuBar(); fname=null; //初始文件名为空 findenter=new JButton("确定"); findenter.addActionListener(this); //声明对话框中上确定按钮,并注册事件 replb=new JButton("确定"); replb.addActionListener(this);
mainpane=(JPanel)this.getContentPane(); mainpane.setLayout(new BorderLayout()); txt1=new JTextArea("",13,61); txt1.addMouseListener(new handlemouse(this));//注册鼠标右击事件 txt1.setFont(new Font("宋体",Font.PLAIN,18)); mainpane.add(txt1, BorderLayout.CENTER); mainpane.add("North",toolbar); mainpane.add("South",state); JScrollPane sll = new JScrollPane(); //创建滚动条 mainpane.add("Center", sll); ; sll.getViewport().add(txt1); //将滚动条装入文本区
popm=new JPopupMenu(); ////POPMeun 开始 p_copy=new JMenuItem("复制 "); p_copy.addActionListener(this); KeyStroke keycopyp=KeyStroke.getKeyStroke(KeyEvent.VK_C,Event.CTRL_MASK); p_copy.setAccelerator(keycopyp); p_cut=new JMenuItem("剪切 "); p_cut.addActionListener(this); KeyStroke keycutp=KeyStroke.getKeyStroke(KeyEvent.VK_X,Event.CTRL_MASK); p_cut.setAccelerator(keycutp); p_paste=new JMenuItem("粘贴 "); p_paste.addActionListener(this); KeyStroke keypp=KeyStroke.getKeyStroke(KeyEvent.VK_V,Event.CTRL_MASK); p_paste.setAccelerator(keypp); p_del=new JMenuItem("删除 "); p_del.addActionListener(this); KeyStroke keydelp=KeyStroke.getKeyStroke(KeyEvent.VK_DELETE,0); p_del.setAccelerator(keydelp); popm.add(p_copy); popm.add(p_cut); popm.add(p_paste); popm.add(p_del); txt1.add(popm); ////POPMenu 结束
m1=new JMenu("文件(F)"); m1.setMnemonic('F'); //定义快捷方式 JMenuItem m10=new JMenuItem("新建 "); m10.addActionListener(this); //注册事件监听器 KeyStroke keynew=KeyStroke.getKeyStroke(KeyEvent.VK_N,Event.CTRL_MASK); //定义快捷键 m10.setAccelerator(keynew);
JMenuItem m11=new JMenuItem("打开 "); m11.addActionListener(this); KeyStroke keyopen=KeyStroke.getKeyStroke(KeyEvent.VK_O,Event.CTRL_MASK); m11.setAccelerator(keyopen);
JMenuItem m12=new JMenuItem("保存 "); m12.addActionListener(this); KeyStroke keysave=KeyStroke.getKeyStroke(KeyEvent.VK_S,Event.CTRL_MASK); m12.setAccelerator(keysave);
JMenuItem m13=new JMenuItem("另保存为 "); m13.addActionListener(this); JMenuItem m14=new JMenuItem("退出 "); m14.addActionListener(this); KeyStroke keyexit=KeyStroke.getKeyStroke(KeyEvent.VK_F4,Event.ALT_MASK); m14.setAccelerator(keyexit); //////////////////////////////////////////// m2=new JMenu("编辑(E)"); m2.setMnemonic('E'); JMenuItem m21=new JMenuItem("复制 "); m21.addActionListener(this); KeyStroke keycopy=KeyStroke.getKeyStroke(KeyEvent.VK_C,Event.CTRL_MASK); m21.setAccelerator(keycopy);
JMenuItem m22=new JMenuItem("剪切 "); m22.addActionListener(this); KeyStroke keycut=KeyStroke.getKeyStroke(KeyEvent.VK_X,Event.CTRL_MASK); m22.setAccelerator(keycut);
JMenuItem m23=new JMenuItem("粘贴 "); m23.addActionListener(this); KeyStroke keyp=KeyStroke.getKeyStroke(KeyEvent.VK_V,Event.CTRL_MASK); m23.setAccelerator(keyp);
JMenuItem m24=new JMenuItem("删除 "); m24.addActionListener(this); KeyStroke keydel=KeyStroke.getKeyStroke(KeyEvent.VK_DELETE,0); m24.setAccelerator(keydel);
JMenuItem m25=new JMenuItem("查找 "); m25.addActionListener(this); KeyStroke keyfind=KeyStroke.getKeyStroke(KeyEvent.VK_F,Event.CTRL_MASK); m25.setAccelerator(keyfind);
m26=new JMenuItem("查找下一个 "); m26.addActionListener(this); KeyStroke keyfn=KeyStroke.getKeyStroke(KeyEvent.VK_F3,0); m26.setAccelerator(keyfn); m26.setEnabled(false);
JMenuItem m27=new JMenuItem("替换 "); m27.addActionListener(this); KeyStroke keyrepl=KeyStroke.getKeyStroke(KeyEvent.VK_H,Event.CTRL_MASK); m27.setAccelerator(keyrepl);
m271=new JMenuItem("替换下一个"); m271.setEnabled(false); m271.addActionListener(this); KeyStroke keyrepn=KeyStroke.getKeyStroke(KeyEvent.VK_F6,0); m271.setAccelerator(keyrepn);
JMenuItem m28=new JMenuItem("全选 "); m28.addActionListener(this); KeyStroke keyall=KeyStroke.getKeyStroke(KeyEvent.VK_A,Event.CTRL_MASK); m28.setAccelerator(keyall);
JMenuItem m29=new JMenuItem("日期/时间 "); m29.addActionListener(this);
m3=new JMenu("格式(O)"); m3.setMnemonic('O'); JMenu m31=new JMenu("字体样式 "); JMenuItem m311=new JMenuItem("正常 "); m311.addActionListener(this); JMenuItem m312=new JMenuItem("粗体 "); m312.addActionListener(this); JMenuItem m313=new JMenuItem("斜体 "); m313.addActionListener(this);
JMenu m32=new JMenu("字体大小 "); JMenuItem m321=new JMenuItem("最大 "); m321.addActionListener(this); JMenuItem m322=new JMenuItem("较大 "); m322.addActionListener(this); JMenuItem m323=new JMenuItem("适中 "); m323.addActionListener(this); JMenuItem m324=new JMenuItem("较小 "); m324.addActionListener(this); JMenuItem m325=new JMenuItem("最小 "); m325.addActionListener(this);
JMenuItem m33=new JMenuItem("字体颜色 "); m33.addActionListener(this);
m34=new JMenuItem("自动换行 "); m34.addActionListener(this);
m5=new JMenu("视图风格(V)"); m5.setMnemonic('V'); //m51=new JMenuItem("系统风格 "); //m51.addActionListener(this); m52=new JMenuItem("MOTIF风格 "); m52.addActionListener(this); m53=new JMenuItem("默认风格 "); m53.addActionListener(this); m54=new JMenuItem("状态栏 "); m54.addActionListener(this);
m6=new JMenu("帮助(H)"); m6.setMnemonic('H'); m61=new JMenuItem("帮助主题 "); m61.addActionListener(this); m62=new JMenuItem("关于 "); m62.addActionListener(this);