importjava.io.File;importjava.io.FileInputStream;importjava.io.IOException;publicclassImageToByteArray{publicstaticbyte[]convertImageToByteArray(StringimagePath){FileimageFile=newFile(imagePath);byte[]imageBytes=newbyte[(int)imageFile.length()];try(FileInputStreamfis=newFileInputStream(imageFile)){fi...
使用ImageIO.write方法将BufferedImage对象写入到ByteArrayOutputStream: 将BufferedImage对象以指定的格式(如JPEG)写入到ByteArrayOutputStream中。 java public void writeImageToByteArrayOutputStream(BufferedImage image, ByteArrayOutputStream baos, String format) throws IOException { ImageIO.write(image, format, ...
importjavax.imageio.ImageIO;importjava.awt.image.BufferedImage;importjava.io.ByteArrayOutputStream;importjava.io.File;importjava.io.IOException;publicclassImageToByteArray{publicstaticvoidmain(String[]args){try{// 步骤 1:加载图片到 BufferedImageBufferedImageoriginalImage=ImageIO.read(newFile("path/to/...
importjava.io.ByteArrayOutputStream; importjava.io.File; importjava.io.IOException; importjavax.imageio.ImageIO; //图片文件,与 byte[] 互转 publicclassTestFile { staticbyte[] bytes; publicstaticvoidmain(String[] args)throwsException { File img =newFile("W:\\img\\04.jpg"); fileToByte(img...
BufferedImage bi; bi = ImageIO.read(img); ImageIO.write(bi,"jpg", baos); bytes = baos.toByteArray(); System.err.println(bytes.length); }catch(Exception e) { e.printStackTrace(); }finally{ baos.close(); } } staticvoidByteToFile(byte[] bytes)throwsException{ ...
Java服务端,通过WebService传送image.将image转换为Byte数组: BufferedImage bufimg; ByteArrayOutputStream baos = new ByteArrayOutputStream(); ImageIO.write(bufimg,"jpg",baos); byte[] by = baos.toByteArray(); C#客户端,将Byte[]转换成Image: ...
一、byte[] toBufferedImage toImage(或者BufferedImage) public classBufferedImageextendsjava.awt.ImageimplementsWritableRenderedImage,Transparency 可以看出BufferedImage就是Image。 byte[] byteArray =new byte[1000];// 文档:ByteArrayInputStream(byte[] buf)// 文档:ByteArrayInputStream(byte[] buf, int offs...
data = output.toByteArray();output.close();input.close();} catch (FileNotFoundException ex1) { ex1.printStackTrace();} catch (IOException ex1) { ex1.printStackTrace();} return data;} //byte数组到图⽚ public void byte2image(byte[] data,String path){ if(data.length<3||path.equals...
new ByteArrayInputStream(c)); 建立读取字节数组，数组长度变量len int len = 0; byte[] flush...
importjava.io.ByteArrayOutputStream;// 将图像转换为字节数组的代码ByteArrayOutputStreambaos=newByteArrayOutputStream();try{// 使用ImageIO将BufferedImage写入ByteArrayOutputStream中ImageIO.write(image,"jpg",baos);// 指定图像格式baos.flush();// 刷新流byte[]imageInByteArray=baos.toByteArray();// ...