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();
}
// 二进制转字符串
public static String byte2hex(byte[] b)
{
StringBuffer sb = new StringBuffer();
String tmp = "";
for (int i = 0; i < b.length; i++) {
tmp = Integer.toHexString(b[i] & 0XFF);
if (tmp.length() == 1){
sb.append("0" + tmp);
}else{
sb.append(tmp);
}
}
return sb.toString();
}
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