C:\>ant -?
Unknown argument: -?
ant [options] [target [target2 [target3] ...]]
Options:
-help print this message
-projecthelp print project help information
-version print the version information and exit
-diagnostics print information that might be helpful to
diagnose or report problems.
-quiet, -q be extra quiet
-verbose, -v be extra verbose
-debug print debugging information
-emacs produce logging information without adornments
-logfile <file> use given file for log
-l <file> ''
-logger <classname> the class which is to perform logging
-listener <classname> add an instance of class as a project listener
-buildfile <file> use given buildfile
-file <file> ''
-f <file> ''
-D<property>=<value> use value for given property
-propertyfile <name> load all properties from file with -D
properties taking precedence
-inputhandler <class> the class which will handle input requests
-find <file> search for buildfile towards the root of the
filesystem and use it
注意其中的:
-D<property>=<value> use value for given property
-propertyfile <name> load all properties from file with -D