我已经使用 net beans program 创建了我的应用程序设计。我想添加一个类似于数独的 30*30 网格布局。实际上我正在尝试为地图绘制一个 30*30 的正方形。但是，我无法将该视图添加到我的代码中。我搜索了很多地方，但找不到答案。我对您的想法持开放态度。有人可以帮我解决这个问题吗？谢谢 ！
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import java.awt.GridLayout;
import javax.swing.JTextField;
public class NewJFrame extends javax.swing.JFrame {
/**
* Creates new form NewJFrame
*/
public NewJFrame() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
getDirectionButton = new javax.swing.JButton();
questionTitle = new java.awt.Label();
questionText = new javax.swing.JTextField();
jScrollPane1 = new javax.swing.JScrollPane();
directionDescriptionArea = new javax.swing.JTextArea();
walkingManButton = new javax.swing.JButton();
java.awt.Panel mapPanel = new java.awt.Panel();
jButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("DSL For Streets\n");
setPreferredSize(new java.awt.Dimension(1365, 730));
getDirectionButton.setText("Get Direction");
questionTitle.setFont(new java.awt.Font("Dialog", 3, 12)); // NOI18N
questionTitle.setText("Please enter your question");
directionDescriptionArea.setColumns(20);
directionDescriptionArea.setRows(5);
jScrollPane1.setViewportView(directionDescriptionArea);
walkingManButton.setFont(new java.awt.Font("Tahoma", 3, 11)); // NOI18N
walkingManButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("walk.png"))); // NOI18N
walkingManButton.setText("Get Suggested Route");
walkingManButton.setFocusable(false);
jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("map.png"))); // NOI18N
cells = new int[ROWS][COLS];
tfCells = new JTextField[ROWS][COLS]; // allocate JTextField array
// Container cp = getContentPane();
//cp.setLayout(new GridLayout(ROWS, COLS));
mapPanel.setLayout(new GridLayout(ROWS, COLS));
// Create 9x9 JTextFields and place on the GridLayout
for (int row = 0; row < ROWS; row++) {
for (int col = 0; col < COLS; col++) {
tfCells[row][col] = new JTextField(); // allocate element of array
mapPanel. add(tfCells[row][col]); // ContentPane adds JTextField
int number = puzzle[row][col];
tfCells[row][col].setText(""); // empty
tfCells[row][col].setHorizontalAlignment(JTextField.CENTER);
tfCells[row][col].setFont(new Font("Monospaced", Font.BOLD, 20));
}
}
javax.swing.GroupLayout mapPanelLayout = new javax.swing.GroupLayout(mapPanel);
mapPanel.setLayout(mapPanelLayout);
mapPanelLayout.setHorizontalGroup(
mapPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(mapPanelLayout.createSequentialGroup()
.addGap(181, 181, 181)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 172, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(239, Short.MAX_VALUE))
.addGroup(mapPanelLayout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE))
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(36, 36, 36)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(getDirectionButton, javax.swing.GroupLayout.PREFERRED_SIZE, 106, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(questionTitle, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.PREFERRED_SIZE, 177, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(questionText, javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1)
.addComponent(walkingManButton, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 451, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(mapPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(46, 46, 46))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(39, 39, 39)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(questionTitle, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(questionText, javax.swing.GroupLayout.PREFERRED_SIZE, 36, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(getDirectionButton, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(25, 25, 25)
.addComponent(walkingManButton, javax.swing.GroupLayout.PREFERRED_SIZE, 48, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 359, Short.MAX_VALUE))
.addComponent(mapPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
);
pack();
}// </editor-fold>
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new NewJFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JTextArea directionDescriptionArea;
private javax.swing.JButton getDirectionButton;
private javax.swing.JButton jButton1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextField jTextField3;
private javax.swing.JTextField questionText;
private java.awt.Label questionTitle;
private javax.swing.JButton walkingManButton;
private javax.swing.JTextField a[]=new JTextField[30];
// End of variables declaration
public static final int ROWS = 9; // ROWS by COLS cells
public static final int COLS = 9;
public static final int CELL_SIZE = 10; // Cell width/height
public static final int CANVAS_WIDTH = CELL_SIZE * COLS;
public static final int CANVAS_HEIGHT = CELL_SIZE * ROWS;
private int[][] cells;
private JTextField[][] tfCells;
private int[][] puzzle =new int[9][9];
}