Java事件监听机制讲解

pubulic class ButListener implements ActionListener{ 
Public void actionPerformed(ActionEvent e){ 
}} 

ButListener but = new ButListen(); 
jbu.addActionListener(but); 

public JTextField jt; 
public JTextField jt2; 
public void actionPerformed(ActionEvent e) {
//获取文本框里面的字符串
  String name = jt.getText();
  String mima = jt2.getText();
if (“123”.equals(name)&&”321”.equals(mima)) {…. 
}else(…){…} 
}