1、常规索引 直接索引 import tensorflow as tf a = tf.ones([1, 5, 5, 3]) a[0][0] Out[5]: a[0][0][0] Out[6]: a[0][0][0][2] Out[7]: numpy风格的索引 a = tf.random.normal([4, 28, 28, 3]) a[1].shape Out[11]: TensorShape([28, 28, 3]) a[1, 2].shape Out[12]: TensorShape([