②使用-O参数，指定下载文件的保存文件名

[root@xiezhr test]# wget -O /home/test/logo.png https://www.xiezhrspace.cn/medias/logo.png
--2022-05-30 23:14:03--  https://www.xiezhrspace.cn/medias/logo.png
Resolving www.xiezhrspace.cn (www.xiezhrspace.cn)... 42.192.46.248
Connecting to www.xiezhrspace.cn (www.xiezhrspace.cn)|42.192.46.248|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 112674 (110K) [image/png]
Saving to: ‘/home/test/logo.png’

100%[========================================================================================================================================================================>] 112,674     --.-K/s   in 0.01s   

2022-05-30 23:14:03 (9.78 MB/s) - ‘/home/test/logo.png’ saved [112674/112674]

[root@xiezhr test]# cd /home/test/
[root@xiezhr test]# ll
total 208
-rw-r--r-- 1 root   root   112674 Nov 29  2020 logo.png

③ 限速3kb/s下载

[root@xiezhr test]# wget --limit-rate=3k https://www.xiezhrspace.cn/medias/logo.png
--2022-05-30 23:15:57--  https://www.xiezhrspace.cn/medias/logo.png
Resolving www.xiezhrspace.cn (www.xiezhrspace.cn)... 42.192.46.248
Connecting to www.xiezhrspace.cn (www.xiezhrspace.cn)|42.192.46.248|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 112674 (110K) [image/png]
Saving to: ‘logo.png.1’

100%[========================================================================================================================================================================>] 112,674     3.00KB/s   in 37s    

2022-05-30 23:16:34 (3.00 KB/s) - ‘logo.png.1’ saved [112674/112674]

④ 断点续传下载大文件

[root@xiezhr test]# wget -c https://mirrors.aliyun.com/centos/7/isos/x86_64/CentOS-7-x86_64-DVD-1611.iso

⑤后台下载文件

[root@xiezhr test]# wget -b https://www.xiezhrspace.cn/medias/logo.png
Continuing in background, pid 4526.
Output will be written to ‘wget-log’.

⑥ 有些网站会根据判断代理名称是不是浏览器而拒绝你的下载请求，这时候就可以伪装代理下载

[root@xiezhr test]# wget -b https://www.xiezhrspace.cn/medias/logo.png
Continuing in background, pid 4526.
Output will be written to ‘wget-log’.
[root@xiezhr test]# clear
[root@xiezhr test]# wget --user-agent="Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.75 Safari/537.36" https://www.xiezhrspace.cn/medias/logo.png
--2022-05-30 23:29:27--  https://www.xiezhrspace.cn/medias/logo.png
Resolving www.xiezhrspace.cn (www.xiezhrspace.cn)... 42.192.46.248
Connecting to www.xiezhrspace.cn (www.xiezhrspace.cn)|42.192.46.248|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 112674 (110K) [image/png]
Saving to: ‘logo.png.3’

100%[========================================================================================================================================================================>] 112,674     --.-K/s   in 0.01s   

2022-05-30 23:29:27 (9.85 MB/s) - ‘logo.png.3’ saved [112674/112674]

⑦ 监控网站URL是否正常