我有一个Java项目但是当我导出一个可运行的jar时，该程序不起作用。任何人都可以帮助我吗？
这是我的项目代码：
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.FontFormatException;
import java.awt.Window.Type;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
public class Main {
//main
static ArrayList<Font> fontList= new ArrayList<Font>();
String[] alfabe ={"A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","R","S","T","U","V","X","Q","W","Y","Z",
"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","r","s","t","u","v","x","q","w","y","z",
"0","1","2","3","4","5","6","7","8","9"};
String[] trAlfabe = {"a","b","c","ç","d","e","f","g","ğ","h","ı","i","j","k","l","m","n","o","ö","p","r","s","ş","t","u","ü","v","y","z"};
private JFrame frmKelimeArac;
private JTextField textField;
String[] fakeAlfabe = alfabe;
String[] fakeTrAlfabe = trAlfabe;
private JTextField textKelime;
double kelimeSirasi;
public static void main(String[] args) {
final File folder = new File("Fonts/");
listFilesForFolder(folder);
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Main window = new Main();
window.frmKelimeArac.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
public static void listFilesForFolder(final File folder) {
for (final File fileEntry : folder.listFiles()) {
if (fileEntry.isDirectory()) {
listFilesForFolder(fileEntry);
} else {
Font font;
try {
font = Font.createFont(Font.TRUETYPE_FONT, fileEntry);
font = font.deriveFont(Font.PLAIN,18);
fontList.add(font);
} catch (FontFormatException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
/**
* Create the application.
*/
public Main() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
@SuppressWarnings("unchecked")
private void initialize() {
frmKelimeArac = new JFrame();
frmKelimeArac.setType(Type.UTILITY);
frmKelimeArac.setTitle("Kelime Arac");
frmKelimeArac.setBounds(100, 100, 691, 399);
frmKelimeArac.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frmKelimeArac.getContentPane().setLayout(null);
textField = new JTextField();
textField.setToolTipText("Kelime yaz\u0131n\u0131z");
textField.setBounds(150, 11, 149, 20);
frmKelimeArac.getContentPane().add(textField);
textField.setColumns(10);
JButton btnNewButton = new JButton("Sorgula");
btnNewButton.setBounds(177, 42, 89, 23);
frmKelimeArac.getContentPane().add(btnNewButton);
final JLabel lblNewLabel = new JLabel("");
lblNewLabel.setBounds(177, 78, 122, 14);
frmKelimeArac.getContentPane().add(lblNewLabel);
final JLabel lblKarakter = new JLabel("");
lblKarakter.setBounds(177, 103, 122, 14);
frmKelimeArac.getContentPane().add(lblKarakter);
final JLabel lblSira = new JLabel("");
lblSira.setBounds(455, 132, 160, 14);
frmKelimeArac.getContentPane().add(lblSira);
final JLabel lblFont = new JLabel("");
lblFont.setBounds(177, 132, 201, 14);
frmKelimeArac.getContentPane().add(lblFont);
@SuppressWarnings("rawtypes")
final JComboBox comboBox = new JComboBox();
comboBox.setBounds(455, 11, 160, 20);
for(Font font:fontList){
comboBox.addItem(font.getFontName());
}
frmKelimeArac.getContentPane().add(comboBox);
textKelime = new JTextField();
textKelime.setToolTipText("Karakter");
textKelime.setBounds(455, 45, 160, 20);
frmKelimeArac.getContentPane().add(textKelime);
textKelime.setColumns(10);
JButton btnSorgula2 = new JButton("Sorgula");
btnSorgula2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
if(textKelime.getText().trim().length()==1){
int index = index(fakeAlfabe, textKelime.getText().trim());
double aratoplam = fakeAlfabe.length*comboBox.getSelectedIndex();
lblSira.setText(kelimeSirasi+"");
kelimeSirasi = aratoplam + index;
}else if(textKelime.getText().trim().length()==2){
int index = index(alfabe2li(fakeAlfabe), textKelime.getText().trim());
double aratoplam = alfabe2li(fakeAlfabe).length*comboBox.getSelectedIndex();
kelimeSirasi = aratoplam + index + fakeAlfabe.length*fontList.size()*fakeAlfabe.length;
lblSira.setText(kelimeSirasi+"");
}
}
});
btnSorgula2.setBounds(487, 69, 89, 23);
frmKelimeArac.getContentPane().add(btnSorgula2);
JLabel lblNewLabel_1 = new JLabel("Kelime S\u0131ras\u0131 :");
lblNewLabel_1.setBounds(71, 78, 89, 14);
frmKelimeArac.getContentPane().add(lblNewLabel_1);
JLabel lblNewLabel_2 = new JLabel("Karakter :");
lblNewLabel_2.setBounds(71, 103, 65, 14);
frmKelimeArac.getContentPane().add(lblNewLabel_2);
JLabel lblNewLabel_3 = new JLabel("Font Ad\u0131 :");
lblNewLabel_3.setBounds(71, 132, 65, 14);
frmKelimeArac.getContentPane().add(lblNewLabel_3);
JLabel lblDipNotMaksimum = new JLabel("Dip Not: Maksimum 6 karakter i\u00E7in \u00E7al\u0131\u015Fmaktad\u0131r.");
lblDipNotMaksimum.setBounds(10, 336, 655, 14);
frmKelimeArac.getContentPane().add(lblDipNotMaksimum);
btnNewButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
if(textField.getText().trim().length()<7){
int sira = hesapla(textField.getText().toLowerCase());
lblNewLabel.setText(sira+"");
int karakter = sira%fakeAlfabe.length;
lblKarakter.setText(karakter+"");
if(sira<=fakeAlfabe.length*fontList.size()){
sira--;
lblFont.setText(fontList.get((sira/(fakeAlfabe.length))).getFontName());
lblKarakter.setText(fakeAlfabe[sira%(fakeAlfabe.length)]);
}else{
sira--;
String[] alfabe2 = alfabe2li(fakeAlfabe);
int yenisira =(sira-fakeAlfabe.length*fontList.size());
lblFont.setText(fontList.get(yenisira/(fontList.size()*fakeAlfabe.length*fakeAlfabe.length)).getFontName());
lblKarakter.setFont(new Font (fontList.get(yenisira/(fontList.size()*fakeAlfabe.length*fakeAlfabe.length)).getName(),Font.PLAIN,16));
lblKarakter.setText(alfabe2[yenisira%(alfabe2.length)]);
}
}else {
JOptionPane.showMessageDialog(null, "6 karakterden uzun kelime girmeyiniz.", ";Uyarı", JOptionPane.INFORMATION_MESSAGE); }
}
});
}
private String[] alfabe2li(String[] karakter){
String [] alfabe = new String[karakter.length*karakter.length];
for(int i=0;i<karakter.length;i++){
for (int j = 0; j < karakter.length; j++) {
String string = karakter[i]+karakter[j];
alfabe[i*karakter.length+j]=string;
}
}
return alfabe;
}
private int hesapla(String kelime) {
// TODO Auto-a method stub
int uzunluk = kelime.length();
String ters="";
for ( int i = uzunluk - 1 ; i >= 0 ; i-- )
ters = ters + kelime.charAt(i);
double toplam = 0;
//sıra hesaplama
for(int a=0;a<ters.length();a++){
if(a==0){
toplam = index(fakeTrAlfabe,ters.charAt(a)+"");
}else{
toplam = toplam+(index(fakeTrAlfabe,ters.charAt(a)+"")-1)*Math.pow(fakeTrAlfabe.length, a);
}
}
double aratoplam=0;
for(int b=1;b<ters.length();b++){
aratoplam=aratoplam+Math.pow(fakeTrAlfabe.length, b);
}
return ((int)(toplam+aratoplam));
}
int index(String [] alfabee,String harf){
for(int i=0;i<alfabee.length;i++){
if(alfabee[i].equals(harf)){
return i+1;
}
}
return -1;
}
}
答案 0 :(得分：-1)
我认为您的问题是以下行中的相对路径：
final File folder = new File("Fonts/");
我认为您的jar文件与“Fonts”文件夹不在同一个文件夹中。因此，当您运行jar文件时，它找不到路径“Fonts /”。
尝试将您的JAR文件复制到与“字体”文件夹相同的级别，然后再次尝试
/PATHONYOURLOCALDISK/Fonts
/PATHONYOURLOCALDISK/yourjar.jar