2017_JAVA_简单的文本编辑器

/*

• 文 件 名: EasyView.java
• 描 述: <描述>
• 修改时间: 2017年8月11日
  */
  package view.main;

import java.awt.EventQueue;

import javax.swing.JFileChooser;
import javax.swing.JFrame;

import java.awt.BorderLayout;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.SwingConstants;
import javax.swing.text.BadLocationException;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledDocument;

import java.awt.Font;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

import javax.swing.JTextPane;
import javax.swing.KeyStroke;

public class EasyView
{
private JFrame frmEasyview;
private JTextPane textPane;
private static final String KEYWORD_PUBLIC="public"; //文本中的关键字，会显示为红色

/**
 * Launch the application.
 */
public static void main(String[] args)
{
    EventQueue.invokeLater(new Runnable()
    {
        public void run()
        {
            try
            {
                EasyView window = new EasyView();
                window.frmEasyview.setVisible(true);
            }
            catch (Exception e)
            {
                e.printStackTrace();
            }
        }
    });
}

/**
 * Create the application.
 */
public EasyView()
{
    initialize();
}

/**
 * Initialize the contents of the frame.
 */
private void initialize()
{
    frmEasyview = new JFrame();
    frmEasyview.getContentPane().setBackground(Color.WHITE);
    frmEasyview.setForeground(Color.BLACK);
    frmEasyview.setTitle("EasyView");
    frmEasyview.setBounds(100, 100, 673, 492);
    frmEasyview.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frmEasyview.getContentPane().setLayout(new BorderLayout());

    JMenuBar menuBar = new JMenuBar();
    frmEasyview.getContentPane().add(menuBar,BorderLayout.NORTH);

   //打开菜单
    JMenu mnNewMenu = new JMenu("\u6587\u4EF6");
    mnNewMenu.setFont(new Font("微软雅黑", Font.PLAIN, 12));
    mnNewMenu.setHorizontalAlignment(SwingConstants.CENTER);
    menuBar.add(mnNewMenu);

    MyMenuItemsListener mmil=new  MyMenuItemsListener();
    JMenuItem mntmo = new JMenuItem("\u6253\u5F00(O)");
    mntmo.setFont(new Font("微软雅黑", Font.PLAIN, 12));
  //设置不同的actioncommand来监听不同的action
    mntmo.setActionCommand("open");
   //设置快捷键
    mntmo.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,ActionEvent.CTRL_MASK));
   //设置助记键
    mntmo.setMnemonic(KeyEvent.VK_O);
    mntmo.addActionListener( mmil );
    mnNewMenu.add(mntmo);

    JMenuItem mntms = new JMenuItem("\u4FDD\u5B58(S)");
    mntms.setFont(new Font("微软雅黑", Font.PLAIN, 12));
    mntms.addActionListener( mmil );
   //设置不同的actioncommand来监听不同的action
    mntms.setActionCommand("save");
   //设置快捷键
    mntms.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,ActionEvent.CTRL_MASK));
   //设置助记键
    mntms.setMnemonic(KeyEvent.VK_S);
    mnNewMenu.add(mntms);