我正在做一个非常简单的个人项目,但这是一个更大项目的一部分。任何帮助表示赞赏。这是我的代码,输出错误,当我运行它时,它显示一个大窗口和一个单独的小窗口显示时间。正确的方法应该是在 JLabel 的大框架中显示时间。
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
//package Employees;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class DateShowAPII extends javax.swing.JFrame {
/**
* Creates new form DateShowAPI
*/
public DateShowAPII() {
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() {
JLabel = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel2.setText("Time");
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(104, 104, 104)
.addComponent(jLabel2)
.addGap(28, 28, 28)
.addComponent(JLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 67, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(179, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(139, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(JLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel2))
.addGap(132, 132, 132))
);
pack();
}// </editor-fold>
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
JFrame frame = new JFrame();
String date = new SimpleDateFormat("hh:mm:ss").format(new Date());
JLabel l = new JLabel(date);
frame.getContentPane().add(l);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new DateShowAPII().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JLabel JLabel;
private javax.swing.JLabel jLabel2;
// End of variables declaration
}