摘要：package swing;import java.awt.Component;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax 阅读全文

摘要：package swing;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax 阅读全文

摘要：package swing;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JPasswordFie 阅读全文

摘要：package swing;import javax.swing.JFrame;import javax.swing.JLabel;public class HelloWorld { private static void createAndShowGUI(){ //设置界面的 外观为漂亮 JFra 阅读全文