Android 照片文件转化为而二进制流

Posted 2022-06-08 IT的鱼

/**
 * 照片转byte二进制
 * @param imagepath 需要转byte的照片路径
 * @return 已经转成的byte
 * @throws Exception
 */
public static byte[] readStream(String imagepath) throws Exception 
FileInputStream fs = new FileInputStream(imagepath);
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while (-1 != (len = fs.read(buffer))) 
outStream.write(buffer, 0, len);

outStream.close();
fs.close();
return outStream.toByteArray();
 

  params.add("img", String.valueOf(readStream(img)));