tfrecord_file_path = '/train/*.tfrecords’#train是存放tfrecord的文件夹
filename_queue = tf.train.string_input_producer(
tf.train.match_filenames_once(tfrecord_file_path),
shuffle=True, num_epochs=None) #None表示没哟限制
reader = tf.TFRecordReader()
_, serialized_example = reader.read(filename_queue) #返回文件名和文件
features = tf.parse_single_example(serialized_example,
features={XXXXXXX}) #取出XXXXXXX