java命令行参数解析

参考链接： Java 命令行参数

import org.apache.commons.cli.CommandLineParser;

import org.apache.commons.cli.BasicParser;

import org.apache.commons.cli.Options;

import org.apache.commons.cli.CommandLine;

public static void main(String[] args) throws Exception {

  // Create a Parser

  CommandLineParser parser = new BasicParser( );

  Options options = new Options( );

  options.addOption("h", "help", false, "Print this usage information");

  options.addOption("v", "verbose", false, "Print out VERBOSE information" );

  options.addOption("f", "file", true, "File to save program output to");

  // Parse the program arguments

  CommandLine commandLine = parser.parse( options, args );

  // Set the appropriate variables based on supplied options

  boolean verbose = false;

  String file = "";

  if( commandLine.hasOption('h') ) {

    System.out.println( "Help Message")

    System.exit(0);

  }

  if( commandLine.hasOption('v') ) {

    verbose = true;

  }

  if( commandLine.hasOption('f') ) {

    file = commandLine.getOptionValue('f');

  }

}

 cli下载地址：http://commons.apache.org/proper/commons-cli/download_cli.cgi 

上面是代码片段使用方法： 

java xxxx -h 

java xxxx -f 119 

http://heipark.iteye.com/blog/1397513