Format format; format.setHorizontalAlignment(Format::AlignHCenter); format.setVerticalAlignment(Format::AlignVCenter); format.setBorderStyle(Format::BorderStyle::BorderMedium); if (!mXlsxTarget->selectSheet(sheetName)) { mXlsxTarget->addSheet(sheetName); // 设置主标题 format.setFontSize(15); mXlsxTarget->write("A1", "测试工况"); mXlsxTarget->mergeCells("A1:C1", format); mXlsxTarget->write("D1", "标准流量"); mXlsxTarget->mergeCells("D1:G1", format); mXlsxTarget->write("H1", "被检流量"); mXlsxTarget->mergeCells("H1:L1", format); mXlsxTarget->write("M1", "绝对示值误差"); mXlsxTarget->mergeCells("M1:O1", format); mXlsxTarget->write("P1", "相对示值误差"); mXlsxTarget->mergeCells("P1:R1", format);解析这段代码

bool MainWindow::createTarget_Factor() { Format format; format.setHorizontalAlignment(Format::AlignHCenter); format.setVerticalAlignment(Format::AlignVCenter); format.setBorderStyle(Format::BorderStyle::BorderMedium); // 设置主标题 format.setFontSize(15); mXlsxFactorPtr->write("A1", "电机转速"); mXlsxFactorPtr->write("B1", "FactorA", format); mXlsxFactorPtr->write("C1", "FactorB", format); mXlsxFactorPtr->write("D1", "FactorC", format); mXlsxFactorPtr->write("E1", "FactorD", format); mXlsxFactorPtr->save(); return true; } 解析这段代码

2. format.setHorizontalAlignment(Format::AlignHCenter);：将水平对齐方式设置为居中对齐。 3. format.setVerticalAlignment(Format::AlignVCenter);：将垂直对齐方式设置为居中对齐。 4. format....

button0.setMnemonic(KeyEvent.VK_0); result_TextField.setHorizontalAlignment(JTextField.RIGHT);

这是Java语言中的一段代码，它做了两件事情： ... 2. 设置一个文本框的对齐方式为右对齐，这样文本框中的内容就会靠右显示。其中，KeyEvent.VK_0是Java中KeyEvent类中定义的一个常量，代表数字0的键码值。...

怎么用setHorizontalAlignment，setVerticalAlignment

这是关于编程的问题，您可以这样使用setHorizontalAlignment和setVerticalAlignment方法： component.setHorizontalAlignment(Alignment.CENTER); component.setVerticalAlignment(Alignment.MIDDLE); 请注意将...

scoreLabel = new JLabel("分数：" + score); scoreLabel.setFont(new Font("微软雅黑", Font.PLAIN, 30)); scoreLabel.setHorizontalAlignment(JLabel.CENTER); add(scoreLabel, BorderLayout.CENTER);该设计怎么不显示

这段代码看起来是在设置一个分数标签，并且将其添加到界面中心。但是，无法确定为什么它没有显示出来，可能是因为其他代码的影响，或者没有正确设置布局。以下是一些可能导致标签不显示的原因： ...

scoreLabel = new JLabel("分数：" + score); scoreLabel.setFont(new Font("微软雅黑", Font.PLAIN, 30)); scoreLabel.setHorizontalAlignment(JLabel.CENTER); add(scoreLabel, BorderLayout.CENTER); 这个设计有哪些属性

这段代码的设计有以下属性： 1. 创建了一个名为scoreLabel的JLabel对象，用于显示分数。 2. 在标签上设置了字体为“微软雅黑”，字体大小为30。 3. 将标签的水平对齐方式设置为居中对齐。 ...4. 将标签添加到一个...

// 创建结果标签 resultLabel = new JLabel(); resultLabel.setBounds(160, 100, 300, 100); //resultLabel.setHorizontalAlignment(SwingConstants.CENTER); resultLabel.setFont(new Font("宋体", Font.PLAIN, 16)); gamePanel.add(resultLabel);怎么扩大标签的行数，使它容纳更多的字

要扩大标签的行数，可以使用JLabel的setPreferredSize()方法或者setMaximumSize()方法设置标签的大小。同时，需要将JLabel的换行属性设置为true，使用setLineWrap()和setWrapStyleWord()方法实现。...

改进以下代码，让错误出现三次弹出冻结信息并关闭窗体。denglu.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { int count = 0; String inputzh = zhanghu.getText(); boolean bl = true; try { new Mysql(); bl = Mysql.jujle(inputzh); } catch (ClassNotFoundException e1) { // TODO 自动生成的 catch 块 e1.printStackTrace(); } catch (SQLException e1) { // TODO 自动生成的 catch 块 e1.printStackTrace(); } System.out.println(bl); if (bl) { try { System.out.println(inputzh); new GUI2(inputzh); jf.dispose(); } catch (Exception e1) { // TODO 自动生成的 catch 块 e1.printStackTrace(); } } else { ImageIcon titleIcon = new ImageIcon("F:\\ATM.png"); JDialog jDialog = new JDialog(jf, "错误", true); jDialog.setSize(400, 200); jDialog.setLocation(575, 400); JTextField jTextField = new JTextField("您的账号和密码输入有误！请重新输入。"); jTextField.setHorizontalAlignment(JTextField.CENTER); jTextField.setEditable(false); jTextField.setSelectedTextColor(Color.black); jDialog.add(jTextField); jDialog.setIconImage(titleIcon.getImage()); jTextField.setVisible(true); jDialog.setVisible(true); count++; if (count == 3) { ImageIcon titleIcon1 = new ImageIcon("F:\\ATM.png"); JDialog jDialog1 = new JDialog(jf, "错误", true); jDialog.setSize(400, 200); jDialog.setLocation(575, 400); JTextField jTextField1 = new JTextField("您的账号已冻结！请联系人工处理。"); jTextField.setHorizontalAlignment(JTextField.CENTER); jTextField.setEditable(false); jTextField.setSelectedTextColor(Color.black); jDialog.add(jTextField1); jDialog.setIconImage(titleIcon1.getImage()); jTextField.setVisible(true); jDialog.setVisible(true); jf.setDefaultCloseOperation(3); System.exit(0); } else { jpl.repaint(); } } } });

jTextField.setHorizontalAlignment(JTextField.CENTER); jTextField.setEditable(false); jTextField.setSelectedTextColor(Color.black); jDialog.add(jTextField); jDialog.setIconImage(titleIcon.getImage...

java这段代码private void CreateMainWindow(){ this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); WindowBar = new JMenuBar(); this.setJMenuBar(WindowBar); this.setTitle("停车场管理系统"); int WindowHeight = 300; int WindowWidth = 400; Dimension Screen = Toolkit.getDefaultToolkit().getScreenSize(); int ScreenWidth = Screen.width; int ScreenHeight = Screen.height; this.setResizable(false); this.setLayout(null); this.setBounds((ScreenWidth-WindowWidth)/2,(ScreenHeight-WindowHeight)/2,WindowWidth,WindowHeight); jLabelTitle = new JLabel(); getContentPane().add(jLabelTitle); jLabelTitle.setText("欢迎进入"); jLabelTitle.setBounds(130, 50, 141, 30); //jLabelTitle.setLocation(100, 20); jLabelTitle.setFont(new java.awt.Font("宋体",1,20)); jLabelTitle.setHorizontalAlignment(SwingConstants.CENTER); jLabel = new JLabel(); getContentPane().add(jLabel); getContentPane().add(jLabelTitle); jLabel.setText("停车场信息管理系统"); jLabel.setBounds(50, 100, 300, 30); jLabel.setFont(new java.awt.Font("宋体",1,30)); jLabel.setHorizontalAlignment(SwingConstants.CENTER); notMenu = new JMenu("管理模式"); UserMenu = new JMenu("信息管理"); TypeMenu = new JMenu("车位管理"); WindowBar.add(UserMenu); WindowBar.add(notMenu); WindowBar.add(TypeMenu); JMenuItem AddItem ,DeleteItem,ChangeItem,QueryItem; AddItem = new JMenuItem("添加"); DeleteItem = new JMenuItem("删除"); ChangeItem = new JMenuItem("修改"); QueryItem = new JMenuItem("查询"); notMenu.add(AddItem); notMenu.add(DeleteItem); notMenu.add(ChangeItem); notMenu.add(QueryItem); AddItem.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub //MainWindow.this.setVisible(false); AddFrame add = new AddFrame(); add.setVisible(true); } }); QueryItem.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub //MainWindow.this.setVisible(false); QueryFrame query = new QueryFrame(); query.setVisible(true); } }); }怎么设置点击按钮打开另一个窗口，该如何修改

这段代码定义了一个名为"CreateMainWindow"的方法，该方法创建了一个主窗口，并在主窗口中添加了菜单栏、标签、菜单项等元素。 ... 1. 定义一个按钮，并将其添加到主窗口的内容面板中。 2. 为按钮添加一个...

private String firstInput = null;//记录第一次输入的数 private String symbol = null;//记录操作符 @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub String click = e.getActionCommand();//获取点击到的值 if(".0123456789".indexOf(click)!=-1) { this.input_text.setText(input_text.getText()+click);//把按钮上的值赋值到文本框里先点的数字在后面，后点的数字在前面 this.input_text.setHorizontalAlignment(JTextField.RIGHT);//数字从右边往左显示 //JOptionPane.showMessageDialog(this, click);//把点击窗口的值显示出来显示出来 // click.matches("[\\+\\-/]{1}") 如果是加减乘除中的一个 }else if(click.matches("[\\+\\-/]{1}")) { symbol = click;//记录符号 firstInput = this.input_text.getText();//记录数字 this.input_text.setText("");//清空文本框内容 }else if(click.equals("=")) { Double a = Double.valueOf(firstInput);//点运算符之前的值 Double b = Double.valueOf(this.input_text.getText());//点运算符之后的值，即当前值 Double result = null; switch (symbol) { case"+":result=a+b;break; case"-":result=a-b;break; case"":result=ab;break; case"/": if(b!=0) { result=a/b; }break; } this.input_text.setText(result.toString()); } } }给我画出

很抱歉，我无法为你绘制图形，但我可以帮你解释这段代码的作用。...函数中定义了三个变量，分别记录第一次输入的数、操作符和计算结果。...当用户点击操作符（加、减、乘、除）按钮时，该函数会记录下操作符和当前文本框中...

换种写法：import javax.swing.; import java.awt.; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class test2 extends JFrame implements ActionListener { private JLabel titleLabel, usernameLabel, passwordLabel, infoLabel; private JTextField usernameField; private JPasswordField passwordField; private JButton loginButton, cancelButton; public test2(String title) { super(title); Container contentPane = this.getContentPane(); contentPane.setLayout(new BorderLayout()); JPanel panel = new JPanel(); panel.setLayout(new GridLayout(4, 2, 10, 10)); titleLabel = new JLabel("用户登录"); titleLabel.setFont(new Font("仿宋", Font.BOLD, 20)); titleLabel.setHorizontalAlignment(JLabel.CENTER); usernameLabel = new JLabel("用户名:"); passwordLabel = new JLabel("密码:"); usernameField = new JTextField(10); passwordField = new JPasswordField(10); loginButton = new JButton("登录"); cancelButton = new JButton("取消"); loginButton.addActionListener(this); cancelButton.addActionListener(this); infoLabel = new JLabel(); panel.add(usernameLabel); panel.add(usernameField); panel.add(passwordLabel); panel.add(passwordField); panel.add(loginButton); panel.add(cancelButton); panel.add(new JLabel()); panel.add(infoLabel); contentPane.add(titleLabel, BorderLayout.NORTH); contentPane.add(panel, BorderLayout.CENTER); this.setSize(300, 200); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); } @Override public void actionPerformed(ActionEvent e) { if (e.getSource() == loginButton) { String username = usernameField.getText().trim(); String password = new String(passwordField.getPassword()).trim(); if (username.isEmpty() || password.isEmpty()) { infoLabel.setText("请输入用户名和密码"); } else { infoLabel.setText("用户名: " + username + " 密码: " + password); } } else if (e.getSource() == cancelButton) { usernameField.setText(""); passwordField.setText(""); infoLabel.setText("用户登录"); } } public static void main(String[] args) { SwingUtilities.invokeLater(() -> { new test2("登录界面"); }); } }

这段代码是一个简单的Java GUI程序，实现了一个用户登录界面。程序继承了JFrame类，并实现了ActionListener接口，用于监听登录按钮和取消按钮的事件。...程序的入口方法为main方法，通过SwingUtilities类的invokeLater...

import javax.swing.;import java.awt.;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;public class DormitoryManagementLogin extends JFrame implements ActionListener { private JLabel titleLabel, usernameLabel, passwordLabel; private JTextField usernameField; private JPasswordField passwordField; private JButton loginButton, resetButton; public DormitoryManagementLogin() { super("Dormitory Management Login"); titleLabel = new JLabel("Dormitory Management Login"); titleLabel.setFont(new Font("Arial", Font.BOLD, 20)); titleLabel.setForeground(Color.BLUE); titleLabel.setHorizontalAlignment(JLabel.CENTER); usernameLabel = new JLabel("Username:"); passwordLabel = new JLabel("Password:"); usernameField = new JTextField(); passwordField = new JPasswordField(); loginButton = new JButton("Login"); resetButton = new JButton("Reset"); loginButton.addActionListener(this); resetButton.addActionListener(this); JPanel panel = new JPanel(new GridLayout(3, 2)); panel.add(usernameLabel); panel.add(usernameField); panel.add(passwordLabel); panel.add(passwordField); panel.add(loginButton); panel.add(resetButton); add(titleLabel, BorderLayout.NORTH); add(panel, BorderLayout.CENTER); setSize(400, 300); setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); setVisible(true); } @Override public void actionPerformed(ActionEvent e) { if (e.getSource() == loginButton) { String username = usernameField.getText(); String password = new String(passwordField.getPassword()); // 在这里添加登录验证逻辑 JOptionPane.showMessageDialog(this, "登录成功！"); // 登录成功后跳转到宿舍管理主界面 new DormitoryManagementMain(); dispose(); } else if (e.getSource() == resetButton) { usernameField.setText(""); passwordField.setText(""); } } public static void main(String[] args) { new DormitoryManagementLogin(); }}

这段代码是一个Java GUI程序，实现了一个宿舍管理系统的登录界面。...如果登录成功，会弹出一个消息框提示登录成功，并跳转到宿舍管理系统的主界面。...主函数中创建了一个DormitoryManagementLogin对象，从而启动了整个...

sethorizontalalignment方法

sethorizontalalignment方法是Matplotlib中的一个函数，用于设置文本的水平对齐方式。该函数可以接受以下参数： - left：左对齐 - center：居中对齐 - right：右对齐使用该函数可以方便地控制文本在图形中的位置...

import java.awt.BorderLayout; import java.awt.Color; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; public class Address extends JFrame { private String name; private String phone_Number; private String address; private String id; private String habit; private String[] btnTexts = { "Information 1", "Information 2", "Information 3" }; private String dialogMsg = "Your Name is:%s Your Phone_Number is:%s Your address is:%s Your id is:%s Your habit is:%s"; public Address() { setTitle("Address"); setSize(700, 700); setDefaultCloseOperation(EXIT_ON_CLOSE); setLayout(new BorderLayout()); add(new JButton("Choose Your Information"), BorderLayout.NORTH); add(new JButton("<<="), BorderLayout.WEST); JPanel panel = new JPanel(); panel.setBackground(Color.RED); panel.setLayout(new GridLayout(3, 1, 10, 10)); add(panel, BorderLayout.CENTER); for (String text : btnTexts) { JButton btn = new JButton(text); panel.add(btn); btn.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { String msg = String.format(dialogMsg, name, phone_Number, address, id, habit); JOptionPane.showMessageDialog(btn, msg); } }); } } public static void main(String[] args) { Address a = new Address(); a.setVisible(true); } } 将这段代码展现出的结果通过修改代码来达到美观化和高级化的目的

String msg = String.format(dialogMsg, name, phone_Number, address, id, habit); JOptionPane.showMessageDialog(btn, msg); } }); } } public static void main(String[] args) { Address a = ...

public Calculator() { super("Calculator"); this.setLocationRelativeTo(null);// set up window this.setResizable(false); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setSize(600, 200); result = new JPanel(); answer = 0.0 ; show = new JLabel(Double.toString(answer), SwingConstants.RIGHT);// let the result at the right of the field result.add(show); JTextField input = new JTextField(Double.toString(answer));// setup the size of the text field input.setColumns(6); input.setHorizontalAlignment(JTextField.RIGHT); button = new JPanel(); button.setLayout(new GridLayout(1, 5)); CLR = new JButton("CLR");// add the buttons of calculation. add = new JButton("+"); minus = new JButton("-"); Multiply = new JButton(""); divide = new JButton("/"); button.add(CLR); button.add(add); button.add(minus); button.add(Multiply); button.add(divide); CLR.addActionListener(e -> {// clear answer = 0.0; show.setText(Double.toString(answer)); field.setText(" "); }); add.addActionListener(e -> {// add number = field.getText(); if (!number.equals(null)) { double value = Double.parseDouble(number); answer += value; show.setText(Double.toString(answer)); field.setText(""); } }); minus.addActionListener(e -> {// minus number = field.getText(); if (!number.equals("")) { double value = Double.parseDouble(number); answer -= value; show.setText(Double.toString(answer)); field.setText(""); } }); Multiply.addActionListener(e -> {// multiply number = field.getText(); if (!number.equals("")) { double value = Double.parseDouble(number); answer = value; show.setText(Double.toString(answer)); field.setText(""); } }); divide.addActionListener(e -> {// divide number = field.getText(); if (!number.equals("")) { double value = Double.parseDouble(number); answer /= value; show.setText(Double.toString(answer)); field.setText(""); } }); add(button); add(field); add(result); this.setLayout(new GridLayout(3, 1)); this.setVisible(true); }错哪了

这段代码似乎是一个简单的计算器程序，但是在代码中没有定义 field 变量，因此在添加 field 变量时，需要先进行定义。此外，在 Multiply 和 divide 的实现中，没有对除数为0的情况进行处理，这会导致程序抛...

public class Calculator extends JFrame { private JPanel result, button; private JLabel show; private JButton CLR, add, minus, Multiply, divide; private JTextField field; private Double answer; private String number; public Calculator() { super("Calculator"); this.setLocationRelativeTo(null);// set up window this.setResizable(false); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setSize(600, 200); result = new JPanel(); answer = 0.0 ; show = new JLabel(Double.toString(answer), SwingConstants.RIGHT);// let the result at the right of the field result.add(show); JTextField filed = new JTextField(Double.toString(answer));// setup the size of the text field filed.setColumns(6); filed.setHorizontalAlignment(JTextField.RIGHT); button = new JPanel(); button.setLayout(new GridLayout(1, 5)); CLR = new JButton("CLR");// add the buttons of calculation. add = new JButton("+"); minus = new JButton("-"); Multiply = new JButton(""); divide = new JButton("/"); button.add(CLR); button.add(add); button.add(minus); button.add(Multiply); button.add(divide); CLR.addActionListener(e -> {// clear answer = 0.0; show.setText(Double.toString(answer)); field.setText(" "); }); add.addActionListener(e -> {// add number = field.getText(); if (!number.equals(null)) { double value = Double.parseDouble(number); answer += value; show.setText(Double.toString(answer)); field.setText(""); } }); minus.addActionListener(e -> {// minus number = field.getText(); if (!number.equals("")) { double value = Double.parseDouble(number); answer -= value; show.setText(Double.toString(answer)); field.setText(""); } }); Multiply.addActionListener(e -> {// multiply number = field.getText(); if (!number.equals("")) { double value = Double.parseDouble(number); answer = value; show.setText(Double.toString(answer)); field.setText(""); } }); divide.addActionListener(e -> {// divide number = field.getText(); if (!number.equals("")) { double value = Double.parseDouble(number); answer /= value; show.setText(Double.toString(answer)); field.setText(""); } }); add(button); add(field); add(result); this.setLayout(new GridLayout(3, 1)); this.setVisible(true); }

你好，看起来这是一个实现简单计算器的 Java Swing 程序。程序界面有一个文本框和一些按钮，可以进行加减乘除等基本运算。程序中的 JTextField 组件 field 用于输入数字，每当用户点击一个按钮时，程序会读取 ...

java 使用免费版spire.doc.free:5.2.0生成doc文件中1～3级目录完整代码

title.getFormat().setHorizontalAlignment(HorizontalAlignment.Center); // 添加正文内容 Section section = doc.addSection(); Paragraph para1 = section.addParagraph(); TextRange text1 = para1....

setHorizontalAlignment是什么意思

setHorizontalAlignment是Java Swing中的一个方法，用于设置组件（如JLabel、JButton等）中的文本在水平方向上的对齐方式。它接受一个整数参数，表示对齐方式，常见的取值包括： - SwingConstants.LEFT：左对齐； -...

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怎么用setHorizontalAlignment，setVerticalAlignment

scoreLabel = new JLabel("分数：" + score); scoreLabel.setFont(new Font("微软雅黑", Font.PLAIN, 30)); scoreLabel.setHorizontalAlignment(JLabel.CENTER); add(scoreLabel, BorderLayout.CENTER);该设计怎么不显示

scoreLabel = new JLabel("分数：" + score); scoreLabel.setFont(new Font("微软雅黑", Font.PLAIN, 30)); scoreLabel.setHorizontalAlignment(JLabel.CENTER); add(scoreLabel, BorderLayout.CENTER); 这个设计有哪些属性

// 创建结果标签 resultLabel = new JLabel(); resultLabel.setBounds(160, 100, 300, 100); //resultLabel.setHorizontalAlignment(SwingConstants.CENTER); resultLabel.setFont(new Font("宋体", Font.PLAIN, 16)); gamePanel.add(resultLabel);怎么扩大标签的行数，使它容纳更多的字

sethorizontalalignment方法

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