wget常用选项

wget
-e robots=off               close robots
-c,  --continue                  resume getting a partially-downloaded file
-nd, --no-directories            don't create directories
-x,  --force-directories         force creation of directories
-r,  --recursive                 specify recursive download
-l,  --level=NUMBER              maximum recursion depth
-np, --no-parent                 don't ascend to the parent directory