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872天前package 我的记事本; |
import java.awt.*; |
import javax.print.attribute.standard.Destination; |
import javax.swing.*; |
import java.awt.event.*; |
import java.io.*; |
public class Mytext extends JFrame implements ActionListener{ |
JTextArea myTextArea; |
JScrollPane my; |
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JMenuBar myMenuBar; |
JMenu file,edit,source; |
JMenuItem New,Open,Save; |
JMenuItem Cut,Copy; |
JMenuItem test; |
public static void main(String []args){ |
Mytext a = new Mytext(); |
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} |
Mytext(){ |
myTextArea = new JTextArea(); |
my = new JScrollPane(myTextArea); |
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//标题栏 |
myMenuBar = new JMenuBar(); |
file = new JMenu("文件"); |
edit = new JMenu("编辑"); |
source = new JMenu("资源"); |
New = new JMenuItem("新建"); |
New.setMnemonic('f'); |
Open = new JMenuItem("打开"); |
Open.addActionListener(this); |
Open.setActionCommand("open"); |
Save = new JMenuItem("保存"); |
Save.addActionListener(this); |
Save.setActionCommand("save"); |
Cut = new JMenuItem("剪切"); |
Copy = new JMenuItem("复制"); |
test = new JMenuItem("测试",new ImageIcon("image/shan.jpg")); |
myMenuBar.add(file); |
myMenuBar.add(edit); |
myMenuBar.add(source); |
file.add(New); |
file.addSeparator(); |
file.add(Open); |
file.addSeparator(); |
file.add(Save); |
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edit.add(Cut); |
edit.addSeparator(); |
edit.add(Copy); |
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source.add(test); |
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this.add(my); |
this.setTitle("记事本"); |
this.setIconImage(new ImageIcon("image/tubiao2.jpg").getImage()); |
this.setJMenuBar(myMenuBar); |
this.setSize(500,500); |
this.setLocation(100, 200); |
this.setResizable(true); |
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
this.setVisible(true); |
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} |
@Override |
public void actionPerformed(ActionEvent e) { |
if(e.getActionCommand().equals("open")){ |
//System.out.println("打开"); |
JFileChooser mychoose = new JFileChooser(); |
mychoose.setDialogTitle("文件打开"); |
mychoose.showOpenDialog(null); |
mychoose.setVisible(true); |
String category = mychoose.getSelectedFile().getAbsolutePath(); |
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BufferedReader Mytextbuf = null; |
FileReader mytext = null; |
try { |
mytext = new FileReader(category); |
Mytextbuf = new BufferedReader(mytext); |
String msg =""; |
String zfc =""; |
while((msg =Mytextbuf.readLine()) != null){ |
zfc +=msg+"\n"; |
} |
myTextArea.setText(zfc); |
} catch (Exception e1) { |
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e1.printStackTrace(); |
}finally{ |
try { |
mytext.close(); |
Mytextbuf.close(); |
} catch (IOException e1) { |
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e1.printStackTrace(); |
} |
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} |
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} |
if(e.getActionCommand().equals("save")){ |
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JFileChooser filedestination = new JFileChooser(); |
filedestination.setDialogTitle("文件另存为"); |
filedestination.showSaveDialog(this); |
filedestination.setVisible(true); |
String category = filedestination.getSelectedFile().getAbsolutePath(); |
FileWriter destination =null; |
BufferedWriter destinationbuf = null; |
try { |
destination = new FileWriter(category); |
destinationbuf = new BufferedWriter(destination); |
myTextArea.write(destinationbuf); |
|
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} catch (IOException e1) { |
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e1.printStackTrace(); |
}finally{ |
try { |
destination.close(); |
destinationbuf.close(); |
} catch (IOException e1) { |
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e1.printStackTrace(); |
} |
} |
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} |
|
} |
} |
