错误内容如下The selected wizard could not be started.
Plug-in org.eclipse.wb.swing was unable to load class org.eclipse.wb.internal.swing.wizards.application.NewSwingApplicationWizard.
An error occurred while automatically activating bundle org.eclipse.wb.swing (482).
package swing;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.JPasswordField;
import java.awt.SystemColor;
import javax.swing.JButton;
import javax.swing.LayoutStyle.ComponentPlacement;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.Font;
public class LogIn {
private JFrame frame;
private JTextField textField;
private JPasswordField passwordField;
/*adminclass a1 = new adminclass("123", 666666);
salerclass s1 = new salerclass(001, 666666, 0, 0);
salerclass s2 = new salerclass(002, 666666, 0, 0);
salerclass s3 = new salerclass(003, 666666, 0, 0);
salerclass s4 = new salerclass(004, 666666, 0, 0);
salerclass s5 = new salerclass(005, 666666, 0, 0);*/
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
LogIn window = new LogIn();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public LogIn() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
frame = new JFrame();
frame.setBounds(100, 100, 450, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTextArea textArea = new JTextArea();
textArea.setFont(new Font("新宋体", Font.BOLD, 18));
textArea.setBackground(SystemColor.control);
textArea.setText("\u82F9\u679C\u9500\u552E\u7BA1\u7406\u8F6F\u4EF6");
JTextArea textArea_1 = new JTextArea();
textArea_1.setFont(new Font("新宋体", Font.PLAIN, 13));
textArea_1.setBackground(SystemColor.control);
textArea_1.setText("\u7528\u6237\u540D\uFF1A");
JTextArea textArea_2 = new JTextArea();
textArea_2.setFont(new Font("新宋体", Font.PLAIN, 13));
textArea_2.setBackground(SystemColor.control);
textArea_2.setText("\u5BC6\u7801\uFF1A");
textField = new JTextField();
textField.setColumns(10);
passwordField = new JPasswordField();
JButton button = new JButton("\u767B\u5F55");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
System.out.println("chenggong");
admin ai = new admin();
frame.dispose();//看这里，一点建议，建议你还是手写，看API,这个生成的真心不怎么好，还有建议把frame封装构造方法中
}
});
JButton button_1 = new JButton("\u6E05\u7A7A");
button_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
textField.setText(null);
passwordField.setText(null);
}
});
GroupLayout groupLayout = new GroupLayout(frame.getContentPane());
groupLayout
.setHorizontalGroup(groupLayout
.createParallelGroup(Alignment.LEADING)
.addGroup(
groupLayout
.createSequentialGroup()
.addGroup(
groupLayout
.createParallelGroup(
Alignment.LEADING)
.addGroup(
groupLayout
.createSequentialGroup()
.addGap(114)
.addComponent(
textArea,
GroupLayout.PREFERRED_SIZE,
186,
GroupLayout.PREFERRED_SIZE))
.addGroup(
groupLayout
.createSequentialGroup()
.addGap(57)
.addGroup(
groupLayout
.createParallelGroup(
Alignment.TRAILING,
false)
.addComponent(
textArea_2,
Alignment.LEADING)
.addComponent(
textArea_1,
Alignment.LEADING,
GroupLayout.DEFAULT_SIZE,
80,
Short.MAX_VALUE))
.addGap(53)
.addGroup(
groupLayout
.createParallelGroup(
Alignment.LEADING)
.addComponent(
passwordField,
GroupLayout.PREFERRED_SIZE,
112,
GroupLayout.PREFERRED_SIZE)
.addComponent(
textField)))
.addGroup(
Alignment.TRAILING,
groupLayout
.createSequentialGroup()
.addContainerGap()
.addComponent(
button)
.addGap(18)
.addComponent(
button_1)))
.addContainerGap(130, Short.MAX_VALUE)));
groupLayout
.setVerticalGroup(groupLayout
.createParallelGroup(Alignment.LEADING)
.addGroup(
groupLayout
.createSequentialGroup()
.addGap(31)
.addComponent(textArea,
GroupLayout.PREFERRED_SIZE, 31,
GroupLayout.PREFERRED_SIZE)
.addGap(18)
.addGroup(
groupLayout
.createParallelGroup(
Alignment.BASELINE)
.addComponent(
textArea_1,
GroupLayout.PREFERRED_SIZE,
GroupLayout.DEFAULT_SIZE,
GroupLayout.PREFERRED_SIZE)
.addComponent(
textField,
GroupLayout.PREFERRED_SIZE,
GroupLayout.DEFAULT_SIZE,
GroupLayout.PREFERRED_SIZE))
.addGap(33)
.addGroup(
groupLayout
.createParallelGroup(
Alignment.BASELINE)
.addComponent(
textArea_2,
GroupLayout.PREFERRED_SIZE,
26,
GroupLayout.PREFERRED_SIZE)
.addComponent(
passwordField,
GroupLayout.PREFERRED_SIZE,
25,
GroupLayout.PREFERRED_SIZE))
.addGap(18)
.addGroup(
groupLayout
.createParallelGroup(
Alignment.BASELINE)
.addComponent(button_1)
.addComponent(button))
.addContainerGap(45, Short.MAX_VALUE)));
frame.getContentPane().setLayout(groupLayout);
}
}