Mac terminal proxy

cat >> ~/.bash_profile << EOF
function proxy_on() {
    export http_proxy=http://127.0.0.1:7890
    export https_proxy=\$http_proxy
    echo -e "终端代理已开启。"
}
 
function proxy_off(){
    unset http_proxy https_proxy
    echo -e "终端代理已关闭。"
}
EOF
 
source ~/.bash_profile