JavaSwing实现的文本比较软件
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先看效果：截图1
截图2:
实现思路：
1、界面UI设计
2、功能点 ： a 打开文件进行比较 b 粘贴内容进去比较 c 提示帮助 d 窗口可以任意拖动
3、文本比较算法
java类 ：
MainUI 类实现界面设计 Read_File 类实现文件读取 DNASequence 类文本比较算法
项目结构：
源代码：
Star.java
import javax.swing.text.BadLocationException; import javax.swing.text.Document; import javax.swing.text.SimpleAttributeSet; import javax.swing.text.StyleConstants; public class Star public static void main(String args[]) throws BadLocationException //初始化界面 Windowm windowm = new Windowm(); //属性设置 SimpleAttributeSet attrset = new SimpleAttributeSet(); //字体大小 StyleConstants.setFontSize(attrset,16); //获取JTextPane对象 Document docs1=windowm.text1.getDocument(); //设置初次显示文本 docs1.insertString(docs1.getLength(), "手动输入或者选择文件打开", attrset); Document docs2=windowm.text2.getDocument(); docs2.insertString(docs2.getLength(), "手动输入输入或者选择文间打开\\n点击核对试试\\n红色表示错误字符\\n蓝色表示多余或缺失字符", attrset);
MainUI.java
import algorithm.DNASequence; import open_file.Read_File; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ComponentAdapter; import java.awt.event.ComponentEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.io.File; import javax.swing.*; import javax.swing.text.Document; import javax.swing.text.SimpleAttributeSet; import javax.swing.text.StyleConstants; class Windowm extends JFrame String path1;//第一个文件目录 String path2;//第二个文件目录 String File1;//第一个文件 String File2;//第二个文件 int point;//保存当前活动窗口 private static final long serialVersionUID = 1L; JPanel myPanel1 = new JPanel();//面板1.1 JPanel myPanel2 =new JPanel();//面板2.1 JPanel myPanel3 =new JPanel();//面板3 JPanel myPanel4 =new JPanel();//面板4 JTextPane text1=new JTextPane(); JTextPane text2=new JTextPane(); JButton bt1 = new JButton("打开文档1"); JButton bt2 = new JButton("打开文档2"); JButton bt3 = new JButton("核对"); JPopupMenu jm = new JPopupMenu();//右键菜单 JMenuItem copy = new JMenuItem("复制");//菜单项 JMenuItem path = new JMenuItem("粘贴"); JMenuItem cut = new JMenuItem("剪切"); JMenuItem help = new JMenuItem("帮助"); JMenuItem about = new JMenuItem("关于"); JScrollPane scro1=new JScrollPane(text1);//添加滚动条 JScrollPane scro2=new JScrollPane(text2);//添加滚动条 JSplitPane jSplitPane =new JSplitPane();//设定为拆分布局 JSplitPane jSplitPane2 =new JSplitPane();//设定为拆分布局 JSplitPane jSplitPane3 =new JSplitPane();//设定为拆分布局 public Windowm() setVisible(true); jm.add(copy); jm.add(path); jm.add(cut); jm.add(help); jm.add(about); myPanel3.add(bt1); myPanel3.add(bt2); myPanel4.add(bt3); this.setTitle("欢迎使用文本比较软件"); this.setBounds(100, 100, 600, 500); jSplitPane.setContinuousLayout(true);//操作箭头，重绘图形 jSplitPane2.setContinuousLayout(true);//操作箭头，重绘图形 jSplitPane3.setContinuousLayout(true);//操作箭头，重绘图形 jSplitPane2.setOrientation(JSplitPane.VERTICAL_SPLIT);//垂直方向 jSplitPane.setOrientation(JSplitPane.HORIZONTAL_SPLIT);//水平方向 jSplitPane3.setOrientation(JSplitPane.VERTICAL_SPLIT);//垂直方向 myPanel1.setBorder(BorderFactory.createLineBorder(Color.green)); myPanel2.setBorder(BorderFactory.createLineBorder(Color.red)); myPanel3.setBorder(BorderFactory.createLineBorder(Color.yellow)); myPanel4.setBorder(BorderFactory.createLineBorder(Color.blue)); jSplitPane.setLeftComponent(scro1);//左右布局中添加组件 ，面板1 jSplitPane.setRightComponent(scro2);//左右布局中添加组件 ，面板2 jSplitPane2.setTopComponent(myPanel3);//上下布局中添加组件 ，面板1 jSplitPane2.setBottomComponent(jSplitPane);//上下布局中添加组件 ，面板1 jSplitPane3.setTopComponent(jSplitPane2); jSplitPane3.setBottomComponent(myPanel4); jSplitPane.setDividerSize(5);//设置分割线的宽度 jSplitPane2.setDividerSize(5);//设置分割线的宽度 jSplitPane3.setDividerSize(5);//设置分割线的宽度 setContentPane(jSplitPane3);//设置为父模块 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); copy.addActionListener(new ActionListener()//窗口监听 public void actionPerformed(ActionEvent e4)//菜单项 try text1.copy(); text2.copy(); catch(Exception e1) ); path.addActionListener(new ActionListener()//窗口监听 public void actionPerformed(ActionEvent e4)//菜单项 try if(point==1)//由于有两个窗口，因此设计point来确定粘贴在某个窗口 text1.paste(); else text2.paste(); catch(Exception e1) ); cut.addActionListener(new ActionListener()//窗口监听 public void actionPerformed(ActionEvent e4)//菜单项 try text1.cut(); text2.cut(); catch(Exception e1) ); help.addActionListener(new ActionListener()//窗口监听 public void actionPerformed(ActionEvent e4)//菜单项 JOptionPane.showMessageDialog(null,"使用方法：输入或者点击打开两个文本，按核对键进行比较\\n红色表示匹配失败，蓝色表示多余，黑色为正常匹配文本","使用指南",JOptionPane.PLAIN_MESSAGE); ); about.addActionListener(new ActionListener()//窗口监听 public void actionPerformed(ActionEvent e4)//菜单项 JOptionPane.showMessageDialog(null,"原创：将军\\nQQ [email protected] \\n人生苦短，欢迎转载","将军原创",JOptionPane.PLAIN_MESSAGE); ); text1.addMouseListener(new MouseAdapter() public void mouseClicked(MouseEvent e) if (e.getButton() == MouseEvent.BUTTON3) jm.show(text1, e.getX(), e.getY()); // 弹出菜单 point=1; ); text2.addMouseListener(new MouseAdapter() public void mouseClicked(MouseEvent e) if (e.getButton() == MouseEvent.BUTTON3) jm.show(text2, e.getX(), e.getY()); // 弹出菜单 point=2; ); jSplitPane.addComponentListener(new ComponentAdapter() //拖动窗口监听 public void componentResized(ComponentEvent e) jSplitPane.setDividerLocation(jSplitPane3.getWidth()/2-7);//设置第一条宽度 ); jSplitPane2.setDividerLocation(50);//设定分割线的距离左边的位置 jSplitPane3.addComponentListener(new ComponentAdapter() //拖动窗口监听 public void componentResized(ComponentEvent e) jSplitPane3.setDividerLocation(jSplitPane3.getHeight()-50);//设置第三条高度 ); bt1.addActionListener(new ActionListener()//窗口监听 public void actionPerformed(ActionEvent e4)//菜单项 try text1.setText(""); JFileChooser jfc=new JFileChooser(); jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES ); jfc.showDialog(new JLabel(), "选择"); File file=jfc.getSelectedFile(); path1=file.getAbsolutePath();//获取文件绝对地址 new Read_File(path1); File1= Read_File.getFile(); SimpleAttributeSet attrset = new SimpleAttributeSet(); StyleConstants.setFontSize(attrset,16);//设置字号 Document docs=text1.getDocument(); docs.insertString(docs.getLength(), File1, attrset); catch(Exception e1) ); bt2.addActionListener(new ActionListener()//窗口监听 public void actionPerformed(ActionEvent e4)//菜单项 try text2.setText(""); JFileChooser jfc=new JFileChooser(); jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES ); jfc.showDialog(new JLabel(), "选择"); File file=jfc.getSelectedFile(); path2=file.getAbsolutePath();//获取文件绝对地址 new Read_File(path2); File2= Read_File.getFile(); SimpleAttributeSet attrset = new SimpleAttributeSet(); StyleConstants.setFontSize(attrset,16);//设置字号 Document docs=text2.getDocument(); docs.insertString(docs.getLength(), File2, attrset); catch(Exception e1) System.out.println("选择文件出错"); ); bt3.addActionListener(new ActionListener()//窗口监听 public void actionPerformed(ActionEvent e4)//菜单项 try String dnas1;//算法处理之后的字符串1 String dnas2;//算法处理之后的字符串2 String jtp1;//JTextpane的内容1 String jtp2;//JTextpane的内容2 int len=0; //处理后的字符串长度 jtp1=text1.getText();//获取窗口文本 jtp2=text2.getText(); text1.setText("");//清空之前内容 text2.setText(""); Document docs1=text1.getDocument(); Document docs2=text2.getDocument(); DNASequence dna=new DNASequence(jtp1,jtp2);//通过构造方法传递参数 dna.runAnalysis(); dna.traceback(); dnas1=dna.getString1();//获取处理后的字符串 dnas2=dna.getString2(); char[] s = dnas1.toCharArray();//字符串转Char数组 char[] p = dnas2.toCharArray(); len=dnas1.length(); SimpleAttributeSet set2 = new SimpleAttributeSet();//设置一个属性 StyleConstants.setFontSize(set2,16);//设置字号 for(int i=0;i<len;i++) if(s[i]==‘-‘) StyleConstants.setForeground(set2,Color.BLUE);//设置文字颜色 docs2.insertString(docs2.getLength(),String.valueOf(p[i]), set2); else if(p[i]==‘-‘) StyleConstants.setForeground(set2,Color.BLUE);//设置文字颜色 docs1.insertString(docs1.getLength(),String.valueOf(s[i]), set2); else if(s[i]==p[i]) StyleConstants.setForeground(set2,Color.black);//设置文字颜色 docs1.insertString(docs1.getLength(),String.valueOf(s[i]), set2); docs2.insertString(docs2.getLength(),String.valueOf(p[i]), set2); else if(s[i]!=p[i]) StyleConstants.setForeground(set2,Color.red);//设置文字颜色 docs1.insertString(docs1.getLength(),String.valueOf(s[i]), set2); docs2.insertString(docs2.getLength(),String.valueOf(p[i]), set2); else System.out.print("考虑更多颜色"); catch(Exception e1) System.out.println("选择文件2出错"); );
Read_File.java
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.InputStreamReader; public class Read_File static String fileName; public Read_File(String str) fileName=str; public static String getFile() BufferedReader br = null; StringBuffer sb = null; try br = new BufferedReader(new InputStreamReader(new FileInputStream(fileName),"utf-8")); //这里可以控制编码 sb = new StringBuffer(); String line = null; while((line = br.readLine()) != null) sb.append(line); catch (Exception e) e.printStackTrace(); finally try br.close(); catch (Exception e) e.printStackTrace(); String data = new String(sb); //StringBuffer ==> String System.out.println("数据为==> " + data); return data; // public static void main(String[] args) // new Read_File("1"); //
DNASequence.java
//https://codereview.stackexchange.com/questions/182601/optimizing-needleman-wunsch-algorithm-in-java public class DNASequence protected final String seq_1, seq_2; //要分析的两个序列 public int alignmentScore; //使用Needleman-Wunsch算法 protected Node[][] matrix; //存储分数和缩进 protected final int matchScore, mismatchScore, indel; //用于打印DNA序列分析的字符串 String top = ""; // Sequence 1 String bottom = ""; // Sequence 2 public DNASequence(String s1, String s2) //我使用一个■作为缓冲,这样序列字符串正确对齐 // 在矩阵中使用缩进和分数。 ScoreScheme s = new ScoreScheme(2, -1, -2); seq_1 = "\\u25A0" + s1; seq_2 = "\\u25A0" + s2; matchScore = s.matchScore; mismatchScore = s.mismatchScore; indel = s.indel; matrix = new Node[seq_1.length()][seq_2.length()]; for (int i = 0; i < seq_1.length(); i++) matrix[i][0] = new Node(i * indel, i, 0); for (int i = 0; i < seq_2.length(); i++) matrix[0][i] = new Node(i * indel, 0, i); //辅助方法，帮助决定使用哪种匹配/不匹配得分。 protected int score(int i, int j) if (seq_1.charAt(i) == seq_2.charAt(j)) return matchScore; else return mismatchScore; //在本地级别上实现Needleman-Wunsch algo的Helper方法。 protected Node match(int i, int j) Node s1,s2,s3; s1 = new Node(matrix[i-1][j-1].score + score(i, j), i, j); s2 = new Node(matrix[i-1][j].score + indel, i, j); s3 = new Node(matrix[i][j-1].score + indel, i, j); Node largest = new Node(Math.max(s1.score, Math.max(s2.score, s3.score)), i, j); if (s1.compareTo(largest) == 0) largest.prev = matrix[i-1][j-1]; else if(s2.compareTo(largest) == 0) largest.prev = matrix[i-1][j]; else largest.prev = matrix[i][j-1]; return largest; public Node runAnalysis() for (int i = 1; i < seq_1.length(); i++) for (int j = 1; j < seq_2.length(); j++) matrix[i][j] = match(i, j); alignmentScore = matrix[seq_1.length()-1][seq_2.length()-1].score; return matrix[seq_1.length()-1][seq_2.length()-1]; //辅助方法，逐步构建分析结果。它将返回 //“尾巴”，因为我们可能还需要做一些工作。 protected Node traceHelper(Node curr) while (curr.prev != null) if (curr.i - curr.prev.i == 1 && curr.j - curr.prev.j == 1) // If the path leads diagonal boolean x = seq_1.charAt(curr.i) == seq_2.charAt(curr.j) ? true : false; if(x) top = seq_1.charAt(curr.i) +top; bottom = seq_2.charAt(curr.j) +bottom; else top = seq_1.charAt(curr.i) + top; bottom = seq_2.charAt(curr.j) + bottom; else if (curr.i - curr.prev.i == 1) //如果这条路通向山顶 top = seq_1.charAt(curr.i) + top; bottom = "-" + bottom; //如果这条路通向左边 else if (curr.j - curr.prev.j == 1) top = "-" + top; bottom = seq_2.charAt(curr.j) + bottom; curr = curr.prev; return curr; //从矩阵的最后一个节点回溯到第一个索引节点。 public void traceback() Node curr = matrix[seq_1.length()-1][seq_2.length()-1]; curr = traceHelper(curr); while (curr.i != 0 || curr.j != 0) if (curr.i != 0 && curr.j == 0) curr.prev = matrix[curr.i-1][curr.j]; curr = traceHelper(curr); else if (curr.i == 0 && curr.j != 0) curr.prev = matrix[curr.i][curr.j-1]; curr = traceHelper(curr); //打印DNA序列分析 // System.out.println(top); // System.out.println(bottom); public String getString1() return top; public String getString2() return bottom; class Node implements Comparable<Node> int i, j; int score; Node prev; public Node(int score, int x, int y) this.i = x; this.j = y; this.score = score; this.prev = null; public int compareTo(Node n) return this.score - n.score; public String toString() return ""+score; class ScoreScheme int matchScore, mismatchScore, indel; public ScoreScheme(int m1, int m2, int i) matchScore = m1; mismatchScore = m2; indel = i;
项目源代码已经上传到我的GitHub仓库 下载点击https://github.com/Wo-com/TextCheck
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