brew install wget 或者
curl -O http://ftp.gnu.org/gnu/wget/wget-1.13.4.tar.gz
tar xzvf wget-1.13.4.tar.gz
cd wget-1.13.4
./configure --with-ssl=openssl
sudo make
sudo make install
which wget #Should output: /usr/local/bin/wget原文：https://www.cnblogs.com/wangyuehan/p/10861306.html