[Java] 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(…){…} 
}