resnet网络权重下载地址（include_top=False）：
1. resnet50:
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet50_weights_tf_dim_ordering_tf_kernels.h5
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet50_weights_tf_dim_ordering_tf_kernels_notop.h5
2. resnet101:
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet101_weights_tf_dim_ordering_tf_kernels.h5
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet101_weights_tf_dim_ordering_tf_kernels_notop.h5
3.resnet152:
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet152_weights_tf_dim_ordering_tf_kernels.h5
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet152_weights_tf_dim_ordering_tf_kernels_notop.h5
4.resnet50v2:
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet50v2_weights_tf_dim_ordering_tf_kernels.h5
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet50v2_weights_tf_dim_ordering_tf_kernels_notop.h5
5.resnet101v2:
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet101v2_weights_tf_dim_ordering_tf_kernels.h5
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet101v2_weights_tf_dim_ordering_tf_kernels_notop.h5
6.resnet152v2:
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet152v2_weights_tf_dim_ordering_tf_kernels.h5
https://github.com/keras-team/keras-applications/releases/download/resnet/resnet152v2_weights_tf_dim_ordering_tf_kernels_notop.h5
7.resnext50:
https://github.com/keras-team/keras-applications/releases/download/resnet/resnext50_weights_tf_dim_ordering_tf_kernels.h5
https://github.com/keras-team/keras-applications/releases/download/resnet/resnext50_weights_tf_dim_ordering_tf_kernels_notop.h5
8.resnext101:
https://github.com/keras-team/keras-applications/releases/download/resnet/resnext101_weights_tf_dim_ordering_tf_kernels.h5
https://github.com/keras-team/keras-applications/releases/download/resnet/resnext101_weights_tf_dim_ordering_tf_kernels_notop.h5
权重文件存放目录：
Win：C:\Users\你的用户名\.keras\models
Linux：~/.keras/models/
（linux中 带点号的文件都被隐藏了，需要查看hidden文件才能显示）
