Java将base64转图片

以下是Java将base64转图片的示例代码：

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.Base64;

public class Base64ToImage {
    public static void main(String[] args) {
        String base64 = "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACW0lEQVR4nLWTT0jTURzHv7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7MzO7M