Short Format

简短样式 POSIX 选项通常只是长格式的同义词。如下所示，选项 --arg 等于 -a。

Short style POSIX option is usually just a synonym to long format. As shown below option --arg is equal to -a.

  • Programmatic

  • Annotation

  • Legacy Annotation

Unresolved include directive in modules/ROOT/pages/options/short.adoc - include::../../../../src/test/java/org/springframework/shell/docs/ShortOptionSnippets.java[]
Unresolved include directive in modules/ROOT/pages/options/short.adoc - include::../../../../src/test/java/org/springframework/shell/docs/ShortOptionSnippets.java[]
Unresolved include directive in modules/ROOT/pages/options/short.adoc - include::../../../../src/test/java/org/springframework/shell/docs/ShortOptionSnippets.java[]

如果类型定义为标志（这意味着类型是 boolean），则具有组合格式的简短选项十分强大。通过这种方式，您可以将标志的存在定义为 -abc、-abc true 或 -abc false

Short option with combined format is powerful if type is defined as a flag which means type is a boolean. That way you can define a presence of a flags as -abc, -abc true or -abc false.

  • Programmatic

  • Annotation

  • Legacy Annotation

Unresolved include directive in modules/ROOT/pages/options/short.adoc - include::../../../../src/test/java/org/springframework/shell/docs/ShortOptionSnippets.java[]
Unresolved include directive in modules/ROOT/pages/options/short.adoc - include::../../../../src/test/java/org/springframework/shell/docs/ShortOptionSnippets.java[]
Unresolved include directive in modules/ROOT/pages/options/short.adoc - include::../../../../src/test/java/org/springframework/shell/docs/ShortOptionSnippets.java[]