[問題] 徵求神手幫我看我的腦洞JAVA錯在哪

看板Programming作者 (綿羊)時間13年前 (2011/12/31 18:11), 編輯推噓0(002)
留言2則, 2人參與, 最新討論串1/1
import java.awt.*; import javax.swing.*; import java.awt.event.*; import java.sql.*; import java.net.*; import java.awt.image.*; import java.io.*; public class S9954014 extends JInternalFrame implements ActionListener { static S9954014 frm = new S9954014(); static JTextField txf1=new JTextField(10); static JLabel lab1=new JLabel(); static JLabel lab2=new JLabel(); static JLabel lab3=new JLabel(); static JLabel lab4=new JLabel(); static JLabel lab5=new JLabel(); static JRadioButton ckb1=new JRadioButton("男生"); static JRadioButton ckb2=new JRadioButton("女生"); static String[] s = {"資訊工程系","企業管理系","資訊管理系","英語系","國文系 "}; static JComboBox combo1 = new JComboBox(s); static JPanel p1 = new JPanel(new FlowLayout(FlowLayout.CENTER,5,10)); static JPanel p2 = new JPanel(new FlowLayout(FlowLayout.LEFT,5,10)); static JLabel label1 = new JLabel("姓名:"); static JPanel p3 = new JPanel(new FlowLayout(FlowLayout.LEFT,5,10)); static JPanel p4 = new JPanel(new FlowLayout(FlowLayout.LEFT,5,10)); static JPanel p5 = new JPanel(new FlowLayout(FlowLayout.LEFT,5,10)); static JCheckBox c1 = new JCheckBox("打籃球"); static JCheckBox c2 = new JCheckBox("游泳"); static JCheckBox c3 = new JCheckBox("慢跑"); static JPanel p6 = new JPanel(new FlowLayout(FlowLayout.LEFT,10,15)); static JTextArea area1 = new JTextArea(5,30); static JScrollPane scrollPane = new JScrollPane(area1); static JPanel p7 = new JPanel(new FlowLayout(FlowLayout.CENTER,5,10)); static JButton btn1 = new JButton("存檔"); static Container contentPane = frm.getContentPane(); public static void main(String[] args) throws IOException { frm.setSize(500,1000); frm.setVisible(true); contentPane.setLayout(new GridLayout(7,1)); p1.add(lab1); lab1.setText("學生個人基本資料"); contentPane.add(p1); p2.add(label1); p2.add(txf1); contentPane.add(p2); p3.add(lab3); lab3.setText("性別"); p3.add(ckb1); p3.add(ckb2); contentPane.add(p3); p4.add(lab4); lab4.setText("系所:"); p4.add(combo1); contentPane.add(p4); p5.add(lab5); lab5.setText("興趣:"); p5.add(c1); p5.add(c2); p5.add(c3); contentPane.add(p5); p6.setBorder(BorderFactory.createTitledBorder("留言版")); p6.add(scrollPane); contentPane.add(p6); btn1.addActionListener(frm); p7.add(btn1); contentPane.add(p7); } public void actionPerformed(ActionEvent e) { String str1=txf1.getText(); try { FileWriter fw=new FileWriter("c:\\output.txt",true); fw.write(str1+"\r\n"); fw.close(); } catch (IOException ex) { System.out.print("IOException"); } JOptionPane.showMessageDialog(null,"寫入檔案成功","訊息 ",JOptionPane.WARNING_MESSAGE); } } compile 有過沒問題 之前做skin的時候畫面都還有出來 可是加入event handing之後就甚麼都跑不出來了QQ 求大神(跪) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 120.107.174.109

01/01 00:20, , 1F
請問是誰教你所有的變數宣告成static的?
01/01 00:20, 1F

01/05 23:26, , 2F
邱順源??
01/05 23:26, 2F
文章代碼(AID): #1E_j_Pz_ (Programming)
文章代碼(AID): #1E_j_Pz_ (Programming)