wget设置代理
创建 ~/.wgetrc 文件
You can set the default proxies for Wget to use for http, https, and ftp.
They will override the value in the environment.
https_proxy=http://127.0.0.1:7890/
http_proxy=http://127.0.0.1:7890/
ftp_proxy = http://127.0.0.1:7890/If you do not want to use proxy at all, set this to off.
use_proxy = on