Java jformdesigner设计it赢得'；t显示器？
我刚刚使用jFormdesigner生成了表单，但当我尝试将其包含在我的主类中时，如下所示：Java jformdesigner设计it赢得'；t显示器？,java,applet,jform-designer,Java,Applet,Jform Designer,我刚刚使用jFormdesigner生成了表单，但当我尝试将其包含在我的主类中时，如下所示： import javax.swing.*; import javax.swing.border.TitledBorder; import java.awt.*; import java.awt.event.*; /* * Created by JFormDesigner on Wed May 11 16:42:17 PDT 2011 */ public class usernameForm ext
import javax.swing.*;
import javax.swing.border.TitledBorder;
import java.awt.*;
import java.awt.event.*;
/*
* Created by JFormDesigner on Wed May 11 16:42:17 PDT 2011
*/
public class usernameForm extends JFrame {
private void passwordField1KeyPressed(KeyEvent e) {
// TODO add your code here
}
private void button1ActionPerformed(ActionEvent e) {
// TODO add your code here
}
private void textArea1MouseClicked(MouseEvent e) {
// TODO add your code here
}
private void textArea1FocusGained(FocusEvent e) {
// TODO add your code here
}
private void textArea1FocusLost(FocusEvent e) {
// TODO add your code here
}
private void button2ActionPerformed(ActionEvent e) {
// TODO add your code here
}
private void initComponents() {
// JFormDesigner - Component initialization - DO NOT MODIFY //GEN-BEGIN:initComponents
// Generated using JFormDesigner Evaluation license - ryan icknem
UsernameChecker = new JPanel();
panel1 = new JPanel();
textField1 = new JTextField();
passwordField1 = new JPasswordField();
button1 = new JButton();
label1 = new JLabel();
label2 = new JLabel();
scrollPane1 = new JScrollPane();
textArea1 = new JTextArea();
button2 = new JButton();
//======== UsernameChecker ========
{
// JFormDesigner evaluation mark
UsernameChecker.setBorder(new javax.swing.border.CompoundBorder(
new javax.swing.border.TitledBorder(new javax.swing.border.EmptyBorder(0, 0, 0, 0),
"JFormDesigner Evaluation", javax.swing.border.TitledBorder.CENTER,
javax.swing.border.TitledBorder.BOTTOM, new java.awt.Font("Dialog", java.awt.Font.BOLD, 12),
java.awt.Color.red), UsernameChecker.getBorder())); UsernameChecker.addPropertyChangeListener(new java.beans.PropertyChangeListener(){public void propertyChange(java.beans.PropertyChangeEvent e){if("border".equals(e.getPropertyName()))throw new RuntimeException();}});
UsernameChecker.setLayout(null);
//======== panel1 ========
{
panel1.setBorder(new TitledBorder("Username Availability Checker"));
panel1.setLayout(null);
panel1.add(textField1);
textField1.setBounds(75, 25, 115, textField1.getPreferredSize().height);
//---- passwordField1 ----
passwordField1.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
passwordField1KeyPressed(e);
}
});
panel1.add(passwordField1);
passwordField1.setBounds(75, 57, 115, passwordField1.getPreferredSize().height);
//---- button1 ----
button1.setText("Login");
button1.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
button1ActionPerformed(e);
}
});
panel1.add(button1);
button1.setBounds(75, 89, 115, button1.getPreferredSize().height);
//---- label1 ----
label1.setText("Username");
label1.setLabelFor(textField1);
panel1.add(label1);
label1.setBounds(10, 30, 65, label1.getPreferredSize().height);
//---- label2 ----
label2.setText("Password");
label2.setLabelFor(passwordField1);
panel1.add(label2);
label2.setBounds(15, 65, 60, 16);
//======== scrollPane1 ========
{
//---- textArea1 ----
textArea1.setText("Separate by comma and space");
textArea1.setTabSize(2);
textArea1.setLineWrap(true);
textArea1.setWrapStyleWord(true);
textArea1.setFont(new Font("Calibri", Font.PLAIN, 12));
textArea1.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
textArea1MouseClicked(e);
}
});
textArea1.addFocusListener(new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
textArea1FocusGained(e);
}
@Override
public void focusLost(FocusEvent e) {
textArea1FocusLost(e);
}
});
scrollPane1.setViewportView(textArea1);
}
panel1.add(scrollPane1);
scrollPane1.setBounds(195, 25, 125, 90);
//---- button2 ----
button2.setText("Check Names");
button2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
button2ActionPerformed(e);
}
});
panel1.add(button2);
button2.setBounds(195, 115, 125, button2.getPreferredSize().height);
}
UsernameChecker.add(panel1);
panel1.setBounds(0, 0, 330, 155);
UsernameChecker.setPreferredSize(new Dimension(330, 155));
}
// JFormDesigner - End of component initialization //GEN-END:initComponents
}
// JFormDesigner - Variables declaration - DO NOT MODIFY //GEN-BEGIN:variables
// Generated using JFormDesigner Evaluation license - ryan icknem
private JPanel UsernameChecker;
private JPanel panel1;
private JTextField textField1;
private JPasswordField passwordField1;
private JButton button1;
private JLabel label1;
private JLabel label2;
private JScrollPane scrollPane1;
private JTextArea textArea1;
private JButton button2;
// JFormDesigner - End of variables declaration //GEN-END:variables
}
它以最小尺寸显示一个灰色小程序。我为这个noob问题道歉，但我如何查看带有输入框和按钮的小程序？+使其自动调整到正确的尺寸？看起来好像从未调用过
initComponents（）。应创建构造函数并添加方法调用：
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
usernameForm GUI = new usernameForm();
GUI.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
GUI.setVisible(true);
}
});
注意：您的类名也应该以大写字母开头，即UsernameForm
public usernameForm(){
initComponents();
}
截屏
注意：尽管“applet”在更广泛的世界中意味着“小应用程序”，但在Java中它通常等同于Java.applet.applet
或javax.swing.JApplet
。为了避免混淆，请将基于（J）Frame
的Java类称为“应用程序”。使用空布局时可能会出现各种问题。这些问题是通过使用布局解决的。@Kyle:BTW-我肯定觉得使用空布局、设置边界和扩展框架的发布代码“脏”了。我正要把代码消化并重新编写，这时我注意到您已经将答案标记为正确。问另一个问题，大意是“如何使用布局实现这种外观？”，我很乐意试一试。很好！只有在将代码片段转换为可运行的代码之后，我才注意到另外两个错误：未能调用pack（）
，最重要的是，忽略了将构造的组件添加到框架中。如果可以的话，我会给你一个+2，因为我还提到了类（属性和方法）名称的通用命名法。
import javax.swing.*;
import javax.swing.border.TitledBorder;
import java.awt.*;
import java.awt.event.*;
/*
* Created by JFormDesigner on Wed May 11 16:42:17 PDT 2011
*/
public class UsernameForm extends JFrame {
UsernameForm() {
initComponents();
pack();
}
private void passwordField1KeyPressed(KeyEvent e) {
// TODO add your code here
}
private void button1ActionPerformed(ActionEvent e) {
// TODO add your code here
}
private void textArea1MouseClicked(MouseEvent e) {
// TODO add your code here
}
private void textArea1FocusGained(FocusEvent e) {
// TODO add your code here
}
private void textArea1FocusLost(FocusEvent e) {
// TODO add your code here
}
private void button2ActionPerformed(ActionEvent e) {
// TODO add your code here
}
private void initComponents() {
// JFormDesigner - Component initialization - DO NOT MODIFY //GEN-BEGIN:initComponents
// Generated using JFormDesigner Evaluation license - ryan icknem
usernameChecker = new JPanel();
panel1 = new JPanel();
textField1 = new JTextField();
passwordField1 = new JPasswordField();
button1 = new JButton();
label1 = new JLabel();
label2 = new JLabel();
scrollPane1 = new JScrollPane();
textArea1 = new JTextArea();
button2 = new JButton();
//======== usernameChecker ========
{
// JFormDesigner evaluation mark
usernameChecker.setBorder(new javax.swing.border.CompoundBorder(
new javax.swing.border.TitledBorder(new javax.swing.border.EmptyBorder(0, 0, 0, 0),
"JFormDesigner Evaluation", javax.swing.border.TitledBorder.CENTER,
javax.swing.border.TitledBorder.BOTTOM, new java.awt.Font("Dialog", java.awt.Font.BOLD, 12),
java.awt.Color.red), usernameChecker.getBorder())); usernameChecker.addPropertyChangeListener(new java.beans.PropertyChangeListener(){public void propertyChange(java.beans.PropertyChangeEvent e){if("border".equals(e.getPropertyName()))throw new RuntimeException();}});
usernameChecker.setLayout(null);
//======== panel1 ========
{
panel1.setBorder(new TitledBorder("Username Availability Checker"));
panel1.setLayout(null);
panel1.add(textField1);
textField1.setBounds(75, 25, 115, textField1.getPreferredSize().height);
//---- passwordField1 ----
passwordField1.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
passwordField1KeyPressed(e);
}
});
panel1.add(passwordField1);
passwordField1.setBounds(75, 57, 115, passwordField1.getPreferredSize().height);
//---- button1 ----
button1.setText("Login");
button1.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
button1ActionPerformed(e);
}
});
panel1.add(button1);
button1.setBounds(75, 89, 115, button1.getPreferredSize().height);
//---- label1 ----
label1.setText("Username");
label1.setLabelFor(textField1);
panel1.add(label1);
label1.setBounds(10, 30, 65, label1.getPreferredSize().height);
//---- label2 ----
label2.setText("Password");
label2.setLabelFor(passwordField1);
panel1.add(label2);
label2.setBounds(15, 65, 60, 16);
//======== scrollPane1 ========
{
//---- textArea1 ----
textArea1.setText("Separate by comma and space");
textArea1.setTabSize(2);
textArea1.setLineWrap(true);
textArea1.setWrapStyleWord(true);
textArea1.setFont(new Font("Calibri", Font.PLAIN, 12));
textArea1.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
textArea1MouseClicked(e);
}
});
textArea1.addFocusListener(new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
textArea1FocusGained(e);
}
@Override
public void focusLost(FocusEvent e) {
textArea1FocusLost(e);
}
});
scrollPane1.setViewportView(textArea1);
}
panel1.add(scrollPane1);
scrollPane1.setBounds(195, 25, 125, 90);
//---- button2 ----
button2.setText("Check Names");
button2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
button2ActionPerformed(e);
}
});
panel1.add(button2);
button2.setBounds(195, 115, 125, button2.getPreferredSize().height);
}
usernameChecker.add(panel1);
panel1.setBounds(0, 0, 330, 155);
usernameChecker.setPreferredSize(new Dimension(330, 155));
// Add it to the FRAME!!
this.setContentPane(usernameChecker);
}
// JFormDesigner - End of component initialization //GEN-END:initComponents
}
// JFormDesigner - Variables declaration - DO NOT MODIFY //GEN-BEGIN:variables
// Generated using JFormDesigner Evaluation license - ryan icknem
private JPanel usernameChecker;
private JPanel panel1;
private JTextField textField1;
private JPasswordField passwordField1;
private JButton button1;
private JLabel label1;
private JLabel label2;
private JScrollPane scrollPane1;
private JTextArea textArea1;
private JButton button2;
// JFormDesigner - End of variables declaration //GEN-END:variables
public static void main(String[] args) {
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
UsernameForm GUI = new UsernameForm();
GUI.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
GUI.setVisible(true);
}
});
}
}