一般说来应该是这样
sess = tf.InteractiveSession()
saver = tf.train.Saver()
save_path = "J:\test\test.cpkt"
saver.save(sess,save_path)
或者再加个反斜杠转义
save_path = "J:\\test\\test.cpkt"
然而不管怎么样都报错ValueError: Parent directory of J: est est.cpkt doesn't exist, can't save.

.ckpt