本文主要是介绍java文本编辑软件代码，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
这是小编在csdn第一篇博文，闲话不多说，直接上代码：
该编辑器能够类似记事本，能实现文件的打开，保存，文本的复制，粘贴，查找，替换等功能，效果图如下：
源码如下：
package A;import java.awt.BorderLayout;
import java.awt.CheckboxMenuItem;
import java.awt.Container;
import java.awt.FileDialog;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.InputEvent;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.KeyStroke;public class ShiYan1 extends JFrame{JMenuBar mb; JMenu mfile, mcompile,mhelp;JMenuItem mnew,mopen,mexit,msave,msaveas,mcopy,mstick,mfind,mreplase,mabout;Container c;JLabel lb;JTextArea jta;JScrollPane jsp;FileDialog openFile;FileDialog resaveFile; JFileChooser jfc;boolean issave=false; String theFileName=null; String thePath=null; private String selectText="";private FileDialog fd=new FileDialog(this);private void init(){c=this.getContentPane();c.setLayout(new BorderLayout());mb=new JMenuBar();mfile=new JMenu("文件");mcompile=new JMenu("编辑");mhelp=new JMenu("帮助");mb.add(mfile);mb.add(mcompile);mb.add(mhelp);mnew=new JMenuItem("新建");mopen=new JMenuItem("打开");msave=new JMenuItem(" 保存");msaveas=new JMenuItem(" 另保存");mexit=new JMenuItem("退出");mfile.add(mnew);mfile.add(mopen);mfile.add(msave);mfile.add(msaveas); mfile.add(mexit);mcopy=new JMenuItem("复制");mstick=new JMenuItem("粘贴");mfind=new JMenuItem("查找");mreplase=new JMenuItem("替换");mcompile.add(mcopy);mcompile.add(mstick);mcompile.add(mfind);mcompile.add(mreplase);mabout=new JMenuItem("关于");mhelp.add(mabout);jta=new JTextArea();jsp=new JScrollPane(jta);c.add(mb, BorderLayout.NORTH);c.add(jsp,BorderLayout.CENTER);//新建选项的监听器mnew.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){mnew();}});//open的监听器mopen.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){ShiYan1 sy=new ShiYan1("文本");openFile=new FileDialog(sy,"打开",FileDialog.LOAD); openFile.setVisible(true); String path=openFile.getDirectory(); //获取路径String fileName=openFile.getFile(); //获取文件名theFileName=fileName;thePath=path;if(path!=null&&fileName!=null){File file=new File(path,fileName);try {BufferedReader br=new BufferedReader(new FileReader(file));jta.setText("");String lineText=br.readLine();while(lineText!=null){jta.append(lineText+"\n");lineText=br.readLine();}setTitle(fileName);br.close();issave=true;} catch (FileNotFoundException e1) {JOptionPane.showMessageDialog(null, "文件无法打开", "提示", JOptionPane.INFORMATION_MESSAGE);}catch (IOException e1) {JOptionPane.showMessageDialog(null, "文件无法打开", "提示", JOptionPane.INFORMATION_MESSAGE);}}}});msave.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){if(issave==false){ShiYan1 sy=new ShiYan1("文本");resaveFile=new FileDialog(sy,"打开",FileDialog.SAVE); resaveFile.setVisible(true); String path=resaveFile.getDirectory(); //获取路径String fileName=resaveFile.getFile(); //获取文件名theFileName=fileName;thePath=path;if(path!=null&&fileName!=null){File file=new File(path,fileName);BufferedWriter br;try {br = new BufferedWriter(new FileWriter(file));String text=jta.getText();br.write(text);br.close();issave=true;} catch (IOException e1) {JOptionPane.showMessageDialog(null, "保存失败", "提示", JOptionPane.INFORMATION_MESSAGE);} }}else{File file=new File(thePath,theFileName);BufferedWriter br;try {br = new BufferedWriter(new FileWriter(file));String text=jta.getText();br.write(text);br.close();} catch (IOException e1) {JOptionPane.showMessageDialog(null, "保存失败", "提示", JOptionPane.INFORMATION_MESSAGE);} } }});//另存为的监听器msaveas.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){resave();}});//exit选项的监听器 mexit.addActionListener( new ActionListener(){ ///退出程序public void actionPerformed(ActionEvent e){System.exit(0);}});mcopy.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent event){Object selectText=jta.getSelectedText();}});mfind.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent event){JPanel swapPanel=new JPanel();JLabel seekLabel=new JLabel("要查找的内容");JTextField inputText=new JTextField(20);swapPanel.add(seekLabel);swapPanel.add(inputText);JOptionPane.showMessageDialog(null ,swapPanel);String text =jta.getText();int fromIndex=jta.getCaretPosition();int lastfromindex=text.indexOf(inputText.getText(),fromIndex);jta.setCaretPosition(lastfromindex);jta.moveCaretPosition(lastfromindex+inputText.getText().length());}});mreplase.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent event){JPanel swapPanel=new JPanel();JLabel lookupLabel=new JLabel("要替换的内容");JTextField inputText=new JTextField(10);JLabel swapLabel=new JLabel("替换为:");JTextField changetoText=new JTextField(10);swapPanel.add(lookupLabel);swapPanel.add(inputText);swapPanel.add(swapLabel);swapPanel.add(changetoText);JOptionPane.showMessageDialog(null, swapPanel);String text=jta.getText();String changeText=text.replaceFirst(inputText.getText(),changetoText.getText());jta.setText(changeText);}});mstick.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent event) {int position =jta.getCaretPosition();jta.insert(selectText, position);}}); mabout.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){JOptionPane.showMessageDialog(null,"\n作者:禚先林"+"\n\n"+"此文本由我编辑，如有疑问请致电:183661851**", getTitle(),JOptionPane.INFORMATION_MESSAGE);}});}public void mnew(){ShiYan1 sy=new ShiYan1("文本");}public void resave(){ShiYan1 sy=new ShiYan1("文本");resaveFile=new FileDialog(sy,"打开",FileDialog.SAVE); resaveFile.setVisible(true); String path=resaveFile.getDirectory(); //获取路径String fileName=resaveFile.getFile(); //获取文件名theFileName=fileName;thePath=path;if(path!=null&&fileName!=null){File file=new File(path,fileName);BufferedWriter br;try {br = new BufferedWriter(new FileWriter(file));String text=jta.getText();br.write(text);br.close();issave=true;} catch (IOException e1) {JOptionPane.showMessageDialog(null, "保存失败", "提示", JOptionPane.INFORMATION_MESSAGE);} }}/*public void save(){File file=new File(thePath,theFileName);BufferedWriter br;try {br = new BufferedWriter(new FileWriter(file));String text=jta.getText();br.write(text);br.close();} catch (IOException e1) {JOptionPane.showMessageDialog(null, "保存失败", "提示", JOptionPane.INFORMATION_MESSAGE);} }*/public ShiYan1(String title){super(title);init();}public static void main(String []args){ShiYan1 sy=new ShiYan1("文本软件");sy.setSize(500,350);sy.setVisible(true);}
}
这篇关于java文本编辑软件代码的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！
