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
原文:http://www.cnblogs.com/lordyung/p/5215055.html