实现文章字符串对齐方式

/** * */ package StringAlign; import java.awt.FileDialog; import java.awt.Frame; import java.awt.Dimension; import java.awt.TextArea; import java.awt.Rectangle; import java.awt.Button; import java.awt.TextField; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.awt.Label; import java.awt.Font; /** * @author Owner * */ public class align extends Frame { String fname=""; // @jve:decl-index=0: account ac=new account(); // @jve:decl-index=0: private static final long serialVersionUID = 1L; private TextArea textArea = null; private Button button = null; private TextField textField = null; private Button button1 = null; private Button button2 = null; private Button button3 = null; private Button button4 = null; private Label label = null; /** * This is the default constructor */ public align() { super(); initialize(); } /** * This method initializes this * * @return void */ private void initialize() { label = new Label(); label.setBounds(new Rectangle(48, 34, 279, 23)); label.setAlignment(Label.CENTER); label.setFont(new Font("Dialog", Font.BOLD, 14)); label.setText("欢迎使用文本对齐工具"); this.setLayout(null); this.setSize(394, 423); this.setTitle("文本对齐工具"); this.add(getTextArea(), null); this.add(getButton(), null); this.add(getTextField(), null); this.add(getButton1(), null); this.add(getButton2(), null); this.add(getButton3(), null); this.add(getButton4(), null); this.add(label, null); this.setVisible(true); } /** * This method initializes textArea * * @return java.awt.TextArea */ private TextArea getTextArea() { if (textArea == null) { textArea = new TextArea(); textArea.setBounds(new Rectangle(31, 60, 329, 209)); } return textArea; } /** * This method initializes button * * @return java.awt.Button */ private Button getButton() { if (button == null) { button = new Button(); button.setBounds(new Rectangle(25, 295, 92, 27)); button.setLabel("打开文件"); button.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { String input="",str=""; Frame f=new Frame("Test FileDialog"); FileDialog d=new FileDialog(f,"My FileDialog"); d.setVisible(true); fname=d.getDirectory()+d.getFile(); if(fname.equals("nullnull")) textField.setText(""); else textField.setText(fname); BufferedReader in = null; try { in = new BufferedReader(new FileReader(fname)); } catch (FileNotFoundException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } try { while((input=in.readLine())!=null) { str+=input+"\r\n"; } in.close(); } catch (IOException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } textArea.setText(str); System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() } }); } return button; } /** * This method initializes textField * * @return java.awt.TextField */ private TextField getTextField() { if (textField == null) { textField = new TextField(); textField.setBounds(new Rectangle(142, 295, 225, 29)); } return textField; } /** * This method initializes button1 * * @return java.awt.Button */ private Button getButton1() { if (button1 == null) { button1 = new Button(); button1.setBounds(new Rectangle(40, 342, 78, 23)); button1.setLabel("居中"); button1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { String input="",str="",str1=""; BufferedReader in = null; try { in = new BufferedReader(new FileReader(fname)); } catch (FileNotFoundException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } try { account formatter = new account(20, account.JUST_CENTER); while((input=in.readLine())!=null) { if((input.indexOf("\r\n"))==0) { input.replace("\r\n",null); str+=formatter.format(input); } str1=input.trim(); str+=formatter.format(str1)+"\r\n"; } in.close(); } catch (IOException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } textArea.setText(str); try { PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(fname))); if (out != null) out.write(str); out.close(); } catch (IOException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() } }); } return button1; } /** * This method initializes button2 * * @return java.awt.Button */ private Button getButton2() { if (button2 == null) { button2 = new Button(); button2.setBounds(new Rectangle(158, 342, 78, 23)); button2.setLabel("左对齐"); button2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { String input="",str="",str1=""; BufferedReader in = null; try { in = new BufferedReader(new FileReader(fname)); } catch (FileNotFoundException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } try { account formatter = new account(20, account.JUST_LEFT); while((input=in.readLine())!=null) { if((input.indexOf("\r\n"))==0) { input.replace("\r\n",null); str+=formatter.format(input); } str1=input.trim(); str+=formatter.format(str1)+"\r\n"; } in.close(); } catch (IOException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } textArea.setText(str); try { PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(fname))); if (out != null) out.write(str); out.close(); } catch (IOException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() } }); } return button2; } /** * This method initializes button3 * * @return java.awt.Button */ private Button getButton3() { if (button3 == null) { button3 = new Button(); button3.setBounds(new Rectangle(276, 342, 78, 23)); button3.setLabel("右对齐"); button3.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { String input="",str="",str1=""; BufferedReader in = null; try { in = new BufferedReader(new FileReader(fname)); } catch (FileNotFoundException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } try { account formatter = new account(20, account.JUST_RIGHT); while((input=in.readLine())!=null) { if((input.indexOf("\r\n"))==0) { input.replace("\r\n",null); str+=formatter.format(input); } str1=input.trim(); str+=formatter.format(str1)+"\r\n"; } in.close(); } catch (IOException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } textArea.setText(str); try { PrintWriter o