JPanel?pname?=?new?JPanel(); pname.setLayout(null); JTextField?personName?=?new?JTextField(); personName.setFont(new?Font("",Font.BOLD,25)); personName.setBounds(0,15,240,50); addPerson.add(pname); pname.add(personName); JPanel?btn_sub?=?new?JPanel(); btn_sub.setLayout(null); JButton?submit?=?new?JButton("確定"); submit.setFont(new?Font("",Font.BOLD,25)); submit.setBounds(80,?20,?120,?40); addPerson.add(btn_sub); btn_sub.add(submit); submit.addActionListener(new?ActionListener()?{ ????@Override ????public?void?actionPerformed(ActionEvent?e)?{ ????//?TODO?Auto-generated?method?stub ????try?{ ????FileWriter?file?=?new?FileWriter(new?File(path),true); ???? ???? ????String?inString?=?personName.getText(); ????//這里的personName報錯 ????//提示寫的這個：Cannot?refer?to?a?non-final?variable?personName?inside?an?inner?class?defined?in?a?different?method ???? ???? ????}?catch?(IOException?e1)?{ ????//?TODO?Auto-generated?catch?block ????e1.printStackTrace(); ????} ????} ????});我想獲取文本框里面用戶輸入的內容 ，請問應該如何解決？