-f/--fail Fail silently (no output at all) on HTTP errors
-g/--globoff Disable URL sequences and ranges using {} and []
--limit-rate <rate> Limit transfer speed to this rate
--max-filesize <bytes> Maximum file size to download
-o/--output <file> Write output to <file> instead of stdout
-#/--progress-bar Display transfer progress as a progress bar
-e/--referer Referer URL
-O/--remote-name Write output to a file named as the remote file
-R/--remote-time Set the remote file's time on the local output
-A/--user-agent <string> User-Agent to send to server大概最常用的： curl -fRO <url>
cURL
