将图像添加到 JFrame-Java问题

Adding image to JFrame(将图像添加到 JFrame)

本文介绍了将图像添加到 JFrame的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

所以我将 Eclipse 与 Windows builder 一起使用.我只是想知道是否无论如何我可以导入将显示在 JFrame 上的图像，我可以轻松地四处移动和重新调整大小，而不是设置位置和大小并绘制它.

So I am using Eclipse with Windows builder. I was just wondering if there was anyway I can import an image that'll show up on the JFrame that I can easily move around and re-size instead of setting the location and size and drawing it.

推荐答案

Swing 中没有提供专门的图像组件(我认为这很可悲).所以，有几个选择:

There is no specialized image component provided in Swing (which is sad in my opinion). So, there are a few options:

正如@Reimeus 所说:使用带有图标的 JLabel.
在窗口构建器中创建一个 JPanel，它将表示图像的位置.然后使用几行代码将您自己的自定义图像组件添加到 JPanel，您将永远不必更改.它们应该如下所示:

As @Reimeus said: Use a JLabel with an icon.
Create in the window builder a JPanel, that will represent the location of the image. Then add your own custom image component to the JPanel using a few lines of code you will never have to change. They should look like this:

JImageComponent ic = new JImageComponent(myImageGoesHere);
imagePanel.add(ic);

其中 JImageComponent 是一个自创类，它扩展了 JComponent，覆盖了 paintComponent() 方法来绘制图像.

where JImageComponent is a self created class that extends JComponent that overrides the paintComponent() method to draw the image.

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