在子窗口的类里面的确定按钮事件监听里面写上这样一句话
jframe.dispatchEvent(new WindowEvent(jframe,WindowEvent.WINDOW_CLOSING) );
实际上还有更简单的方法,如果你是继承的JFrame类,直接调dispose()方法,如果你是new的JFrame对象,
用JFrame对象.dispose();
在子窗口的类里面的确定按钮事件监听里面写上这样一句话
jframe.dispatchEvent(new WindowEvent(jframe,WindowEvent.WINDOW_CLOSING) );