我是org.apache.commons.cli库的新手,有一个问题。假设我有两个选项-c和-r。
args = {“ - c”,“apple”,“ - r”}
public static void main(String[] args) throws ParseException {
CommandLineParser parser = new DefaultParser();
Options options = new Options();
options.addOption("c", "concatenate", true, "Concatenate Characters");
options.addOption("r","reverse",false, "reverse characters");
CommandLine commands = parser.parse(options, args);
if (commands.hasOption("c")) {
System.out.println("sentence: " + commands.getOptionValue("c"));
}
}
我希望输出为“sentence: apple”。
我的问题是如果args是{“-c”,“ - r”}?如何将“-r”识别为字符串,如“apple”(不是其中一个选项),以便输出为“sentence:-r”?
发布于 2018-07-27 09:55:42
下面的代码适用于args = {“ - c”,“ - r”},你不能同时拥有-r
值和参数
public static void main(String[] args) throws ParseException {
CommandLineParser parser = new DefaultParser();
System.out.println(Arrays.toString(args));
Options options = new Options();
options.addOption("c", true, "Concatenate Characters");
CommandLine commands = parser.parse(options, args);
if (commands.hasOption("c")) {
System.out.println("sentence: " + commands.getOptionValue("c"));
}
}
https://stackoverflow.com/questions/-100005832
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