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...
publicclassCalculator{publicstaticvoidmain(String[]args){if(args.length!=3){System.out.println("请提供两个数字和一个运算符作为命令行参数。");System.exit(1);}doublenum1=Double.parseDouble(args[0]);doublenum2=Double.parseDouble(args[1]);Stringoperator=args[2];doubleresult=0.0;switch(operator)...
调用: privatestaticDatagramSocket datagramSocket;privatestaticDatagramPacket datagramPacket;publicstaticvoidmain(String[] args){CommandLineParserparser=newPosixParser();if(!Config.parseArguments(parser, args)) {return; }try{/*** 发送数据 ***/// 初始化datagramSocket,注意与前面Server端实现的差别datagramSocke...
为了处理这些参数,还要创建一个CommandLineParser对象,我在代码中将其命名为parser。最后,还可以创建一个HelpFormatter对象(我将其命名为helper),当参数中缺少某些必需项或者用户使用--help或-h选项时,此对象可以自动向用户提供一些有用的信息。 // define parser CommandLine cmd; CommandLineParser parser = new Bas...
{// 解析命令行参数CommandLinecmd=parser.parse(options, args);// 获取文件路径StringfilePath=cmd.getOptionValue("file");// 执行文件处理操作processFile(filePath);}catch(ParseExceptione) {System.err.println("Error parsing command line arguments: "+e.getMessage());System.exit(1);}}privatestatic...
Java annotation-based framework for parsing Git like command line structures with deep extensibility JewelCLI 2.50.0L5Spring Shell 3 VS JewelCLI JewelCli uses an annotated interface definition to automatically parse and present command line arguments ...
//Parse the program argumentsCommandLine commandLine=parser.parse(options,args);// Set the appropriate variables based on supplied optionsboolean verbose=false;String file="";if(commandLine.hasOption('h')){System.out.println("Help Message");System.exit(0);}if(commandLine.hasOption('v')){...
publicclassCommandLineArguments{publicstaticvoidmain(String[]args){if(args.length!=2){System.out.println("Usage: java CommandLineArguments <arg1> <arg2>");return;}Stringarg1=args[0];Stringarg2=args[1];// 处理参数...}} 1. 2. 3. ...
Java Command-Line ArgumentsGreg introduces a package of Java classes that parse the command-line parameters for HtmlXlate, an application that converts HTML to RTF. Because HtmlXlate doesn't require display graphics, Greg made it an "application...
在CommandLineParser 上定义的方法采用一个实例和参数和 返回命令行。parseOptionsString[] 解析阶段的结果是一个实例。CommandLine 1.3.审讯阶段 询问阶段是应用程序查询以决定执行分支的位置 根据布尔选项获取并使用选项值 以提供应用程序数据。CommandLine