Posix解析器用于解析Posix,就像传递的参数一样.它已被弃用,并被DefaultParser取代.
CLITester.java
import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.CommandLineParser; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import org.apache.commons.cli.PosixParser; public class CLITester { public static void main(String[] args) throws ParseException { //Create posix like options Options posixOptions = new Options(); posixOptions.addOption("D", false, "Display"); posixOptions.addOption("A", false, "Act"); CommandLineParser posixParser = new PosixParser(); CommandLine cmd = posixParser.parse(posixOptions, args); if( cmd.hasOption("D") ) { System.out.println("D option was used."); } if( cmd.hasOption("A") ) { System.out.println("A option was used."); } } }
传递时运行文件-D -A作为选项并查看结果.
java CLITester -D -A D option was used. A option was used.
运行文件时传递--D作为选项并查看结果.
java CLITester --D D option was used.