これは任意の画像をバイトフォーマットに変換するためのものです。 あなたはJPGまたはPNG形式をバイト形式に変換し、必要ならJavaを使ってデータベースに保存することができます。 このスクリプトは、実際の画像の幅や高さ（ピクセル単位）などの画像プロパティも提供します。 Yuuは "width x height"フォーマットの画像プロパティを文字列フォーマットで取得できます。

Javaを使用して画像をバイトに変換し、画像の幅と高さを取得する

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }

import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; public class ImageUtil { public static String imageWH() { File imageFile = new File ("C:\test50.png"); FileInputStream fisLocal = new FileInputStream(imageFile); byte[] imageByteLocal = IOUtils.toByteArray(fisLocal); //converting file format FileInputStream fis = new FileInputStream(imageFile); //Get Image height and width BufferedImage bimg = ImageIO.read(fis); int width = bimg.getWidth(); int height = bimg.getHeight(); return (width + "x" + height); } }