Optional Value

选项是必需的还是非必需的，一般来说，它的行为取决于命令目标。

使选项可选。

  • Programmatic

  • Annotation

  • Legacy Annotation

link:../../../../src/test/java/org/springframework/shell/docs/OptionSnippets.java[role=include]
link:../../../../src/test/java/org/springframework/shell/docs/OptionSnippets.java[role=include]
link:../../../../src/test/java/org/springframework/shell/docs/OptionSnippets.java[role=include]

使选项强制。

  • Programmatic

  • Annotation

  • Legacy Annotation

link:../../../../src/test/java/org/springframework/shell/docs/OptionSnippets.java[role=include]
link:../../../../src/test/java/org/springframework/shell/docs/OptionSnippets.java[role=include]
link:../../../../src/test/java/org/springframework/shell/docs/OptionSnippets.java[role=include]