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배경 이미지를 어떻게 추가합니까? 회색 배경을 이미지로 쉽게 바꾸고 싶습니다. 여러 가지 방법을 시도했지만 제대로 작동하지 않습니다. 여기에 내 코드가 약간 지저분 해지고 유일한 GUI가 있습니다.배경 이미지
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.lang.*;
public class GUI{
private JFrame tFrame;
private JLabel l_name, l_ingrediens1, l_ingrediens2, l_typ, l_tid, l_bild, l_logo, l_matbild, l_background;
private JTextField tf_name;
private JTextArea ta_recept1;
private JList jl_list;
private JPanel background, background1, backgroundBild, topp, logga, mitt, matbild;
private JComboBox cb_ingrediens1, cb_ingrediens2, cb_typ, cb_tid;
private JButton b_find, b_add, b_delete;
private Receptbas mat;
private Recept find;
String[] basIngrediensStrings = { "Fläsk", "Kyckling", "Fisk", "Nöt", "Korv" };
String[] typStrings = { "Förrätt", "Varmrätt", "Efterrätt", "Övrigt" };
String[] tidStrings = { "10min", "20min", "30min", "40min", "50min", "60min", "70min", "80min" };
ImageIcon loggo = new ImageIcon("logga.png");
ImageIcon bild = new ImageIcon("bild.jpg");
ImageIcon i_background = new ImageIcon("background.png");
public GUI(Receptbas mat){
this.mat = mat;
tFrame = new JFrame("Recept");
tFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
l_name = new JLabel("Namn");
l_ingrediens1 = new JLabel("Ingrediens");
l_ingrediens2 = new JLabel("Ingrediens");
l_typ = new JLabel("Typ");
l_tid = new JLabel("Tid");
l_logo = new JLabel(loggo);
l_matbild = new JLabel(bild);
l_background = new JLabel(i_background);
tf_name = new JTextField(12);
ta_recept1 = new JTextArea(40, 10);
/*jl_list = new JList(<String>[name](mat));
*/
backgroundBild = new JPanel();
background1 = new JPanel();
background = new JPanel();
topp = new JPanel();
mitt = new JPanel();
logga = new JPanel();
matbild = new JPanel();
tFrame.setLayout(new FlowLayout());
background1.setLayout(new OverlayLayout(background1));
background.setLayout(new BorderLayout());
mitt.setLayout(new BorderLayout(20,20));
logga.setLayout(new FlowLayout());
topp.setLayout(new FlowLayout());
matbild.setLayout(new FlowLayout());
b_add = new JButton("Skapa");
b_delete = new JButton("Ta Bort");
b_find = new JButton("Sök");
cb_ingrediens1 = new JComboBox(basIngrediensStrings);
cb_ingrediens2 = new JComboBox(basIngrediensStrings);
cb_typ = new JComboBox(typStrings);
cb_tid = new JComboBox(tidStrings);
/*MediaTracker mt = new MediaTracker(background);*/
b_delete.addActionListener(new Deleter());
b_add.addActionListener(new Creater());
b_find.addActionListener(new Finder());
tFrame.add(background1);
background1.add(background);
background1.add(backgroundBild);
background.add(logga, BorderLayout.NORTH);
background.add(topp, BorderLayout.CENTER);
background.add(mitt, BorderLayout.SOUTH);
topp.add(l_name);
topp.add(tf_name);
topp.add(l_ingrediens1);
topp.add(cb_ingrediens1);
topp.add(l_ingrediens2);
topp.add(cb_ingrediens2);
topp.add(l_typ);
topp.add(cb_typ);
topp.add(l_tid);
topp.add(cb_tid);
topp.add(b_find);
topp.add(b_add);
mitt.add(ta_recept1, BorderLayout.CENTER);
mitt.add(matbild, BorderLayout.WEST);
backgroundBild.add(l_background);
/*mitt.add(jl_list, BorderLayout.EAST);
mt.addImage(i_background, 0);*/
matbild.add(l_matbild);
logga.add(l_logo);
background.setOpaque(true);
tFrame.pack();
tFrame.setVisible(true);
}
/*protected void paintComponent(Graphics g) {
super.paintComponent(g);
int imwidth = i_background.getWidth(null);
int imheight = i_background.getHeight(null);
g.drawImage(l_background, 1, 1, null);
}*/
public class Finder implements ActionListener{
public void actionPerformed(ActionEvent ae){
String name = tf_name.getText();
find = mat.receptFind(name);
String recept1 = find.getRecept1();
String ingrediens1 = find.getIngrediens1();
String ingrediens2 = find.getIngrediens2();
String typ = find.getTyp();
String tid = find.getTid();
cb_ingrediens1.setSelectedItem(ingrediens1);
cb_ingrediens2.setSelectedItem(ingrediens2);
cb_typ.setSelectedItem(typ);
cb_tid.setSelectedItem(tid);
ta_recept1.setText(recept1);
}
}
public class Deleter implements ActionListener{
public void actionPerformed(ActionEvent ae){
mat.delete(find.getName());
tf_name.setText("");
try{
FileOutputStream fos = new FileOutputStream("save.srz");
BufferedOutputStream bos = new BufferedOutputStream(fos);
ObjectOutputStream out = new ObjectOutputStream(bos);
out.writeObject(mat);
Integer lastInt = new Integer(Unique.last());
out.writeObject(lastInt);
out.close();
}catch(Exception e){
e.printStackTrace();
}
}
}
public class Creater implements ActionListener{
public void actionPerformed(ActionEvent ae){
Recept s1 = new Recept(tf_name.getText(), (String)cb_ingrediens1.getSelectedItem(), (String)cb_ingrediens2.getSelectedItem(), (String)cb_typ.getSelectedItem(), (String)cb_tid.getSelectedItem(), ta_recept1.getText());
mat.add(s1);
try{
FileOutputStream fos = new FileOutputStream("save.srz");
BufferedOutputStream bos = new BufferedOutputStream(fos);
ObjectOutputStream out = new ObjectOutputStream(bos);
out.writeObject(mat);
Integer lastInt = new Integer(Unique.last());
out.writeObject(lastInt);
out.close();
}catch(Exception e){
e.printStackTrace();
}
}
}
}
@Fabian : 정확히 무엇이 작동하지 않습니까? 너는 무엇을보고 무엇을하지 않느냐? – Heisenbug
로고가 작동하고 맨 위에 문제가 backgroundBild (영어 및 스웨덴어 코드 혼합에 대해 유감스럽게 생각 됨)로 표시됩니다. 지금은 회색 배경을 대체하고 싶습니다. 모든 프레임이 보이도록 내부 프레임을 설정했습니다. – Fabian
@Fabian : JPanel 또는 JLabel의 크기를 명시 적으로 설정하려 했습니까? 어쩌면 맞지만 크기가 0 인 – Heisenbug