Java gui背景图片 [英] Java gui background image

问题描述

我知道这个问题已经被问过很多次了，但我觉得它没有得到正确的回答.

I realise this question has been asked many times but I feel it has not been properly answered.

我想在 java gui 中使用图像作为背景

I want to use an image as a background in a java gui

我尝试了以下方法:

import java.awt.*;

import javax.swing.*;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;

public class worldGUI extends JFrame implements ActionListener
{
private ImageIcon world = new ImageIcon("C://Users/Hans/Documents/world/map.png");
private JLabel map = new JLabel(world);
private JButton borders = new JButton("Borders");

public worldGUI()
  {
      setTitle("Welcome to the World");
      setLayout(new FlowLayout()); 
      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      setSize(600,500);
      setLocation(100,100);
      setVisible(true);




      borders.addActionListener(this);

      map.add(borders);


      setVisible(true); 

  }
}

我是java新手，请耐心等待

I'm new to java so please be patient with me

推荐答案

放个

setContentPane(new JLabel(new ImageIcon("C:\img_url")));

在你的 jframe 构造函数中

in your jframe constructor

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