buildArgParser method

@override void buildArgParser(ArgParser argParser)

构建自己的命令参数

Implementation

@override
void buildArgParser(ArgParser argParser) {
  argParser.addOption('dart-define-from-file=<use-define-config.json|.env>', abbr: 'e', help: '''
 The path of a .json or .env file containing key-value pairs that will be available as environment variables.
 These can be accessed using the String.fromEnvironment, bool.fromEnvironment, and int.fromEnvironment constructors.
 Multiple defines can be passed by repeating "--dart-define-from-file" multiple times.
  ''');
}