Question

如何更新oracle数据库中blob对象的十六进制

Answer 1

如何更新oracle数据库中blob对象的十六进制数值
public byte[] blob2ByteArr(Blob blob) throws Exception {

byte[] b = null;
try {
if (blob != null) {
long in = 0;
b = blob.getBytes(in, (int) (blob.length()));
}
} catch (Exception e) {
e.printStackTrace();
throw new Exception("fault");
}

return b;