程序顯示一個按鈕和一個文本框,點擊按鈕,文本框顯示鼠標點擊次數
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TA貢獻1017條經驗 獲得超1032個贊
import?java.awt.FlowLayout; import?java.awt.event.ActionEvent; import?java.awt.event.ActionListener; import?javax.swing.JButton; import?javax.swing.JFrame; import?javax.swing.JTextField; public?class?Test?{ public?static?void?main(String[]?args)?{ new?MyFrame("點擊測試"); } } class?MyFrame?extends?JFrame?implements?ActionListener{ JButton?button=new?JButton("點擊我"); JTextField?text=new?JTextField("按鈕點擊了0次"); int?count=0; public?MyFrame(String?title)?{ setTitle(title); setLayout(new?FlowLayout()); button.addActionListener(this); add(button); add(text); setVisible(true); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100,100,200,200); pack(); } @Override public?void?actionPerformed(ActionEvent?e)?{ count++; text.setText("按鈕點擊了"+count+"次"); } }
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