JFrame的背景图片 [英] JFrame background image

问题描述

我创建一个图形用户界面，虽然是一个简单的，我希望有一个背景图像（2048×2048）填满整个窗口和一个正方形的左​​上角，其中偶尔的64×64的图像可以被加载。在此先感谢任何人谁帮助了:)
编辑：我已经知道如何使JFrame的一组大小，其图像加载我需要帮助

I am creating a GUI, albeit a simple one, and I want to have a background image (2048 X 2048) fill up the whole window and a square to the left top corner where the occasional 64 X 64 image can be loaded. Thanks in advance to anyone who helps out :) I already know how to make the JFrame a set size, its the image loading I need help with.

推荐答案

这是在一个JFrame添加背景图片简单的例子

this is simple example for adding the background image in a jframe

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class BackgroundImageJFrame extends JFrame
{
JButton b1;
JLabel l1;
    public BackgroundImageJFrame()
    {
    setTitle("Background Color for JFrame");
    setSize(400,400);
    setLocationRelativeTo(null);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setVisible(true);
/*
    One way
    -----------------
    setLayout(new BorderLayout());
    JLabel background=new JLabel(new ImageIcon("C:\\Users\\Computer\\Downloads\\colorful design.png"));
    add(background);
    background.setLayout(new FlowLayout());
    l1=new JLabel("Here is a button");
    b1=new JButton("I am a button");
    background.add(l1);
    background.add(b1);
*/
// Another way
    setLayout(new BorderLayout());
    setContentPane(new JLabel(new ImageIcon("C:\\Users\\Computer\\Downloads\\colorful design.png")));
    setLayout(new FlowLayout());
    l1=new JLabel("Here is a button");
    b1=new JButton("I am a button");
    add(l1);
    add(b1);
    // Just for refresh :) Not optional!
    setSize(399,399);
    setSize(400,400);
    }
    public static void main(String args[])
    {
    new BackgroundImageJFrame();
    }
} 

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