文档
命令

命令

快速、可组合、无样式的 React 命令菜单。

文档

关于

该 <Command /> 组件使用的是 cmdk 组件，由 pacocoursey 开发。

安装

npx shadcn@latest add command

使用

import {
  Command,
  CommandDialog,
  CommandEmpty,
  CommandGroup,
  CommandInput,
  CommandItem,
  CommandList,
  CommandSeparator,
  CommandShortcut,
} from "@/components/ui/command"
<Command>
  <CommandInput placeholder="Type a command or search..." />
  <CommandList>
    <CommandEmpty>No results found.</CommandEmpty>
    <CommandGroup heading="Suggestions">
      <CommandItem>Calendar</CommandItem>
      <CommandItem>Search Emoji</CommandItem>
      <CommandItem>Calculator</CommandItem>
    </CommandGroup>
    <CommandSeparator />
    <CommandGroup heading="Settings">
      <CommandItem>Profile</CommandItem>
      <CommandItem>Billing</CommandItem>
      <CommandItem>Settings</CommandItem>
    </CommandGroup>
  </CommandList>
</Command>

示例

对话框

按 ⌘J

要在对话框中显示命令菜单，请使用 <CommandDialog /> 组件。

export function CommandMenu() {
  const [open, setOpen] = React.useState(false)
 
  React.useEffect(() => {
    const down = (e: KeyboardEvent) => {
      if (e.key === "k" && (e.metaKey || e.ctrlKey)) {
        e.preventDefault()
        setOpen((open) => !open)
      }
    }
    document.addEventListener("keydown", down)
    return () => document.removeEventListener("keydown", down)
  }, [])
 
  return (
    <CommandDialog open={open} onOpenChange={setOpen}>
      <CommandInput placeholder="Type a command or search..." />
      <CommandList>
        <CommandEmpty>No results found.</CommandEmpty>
        <CommandGroup heading="Suggestions">
          <CommandItem>Calendar</CommandItem>
          <CommandItem>Search Emoji</CommandItem>
          <CommandItem>Calculator</CommandItem>
        </CommandGroup>
      </CommandList>
    </CommandDialog>
  )
}

组合框

您可以将 <Command /> 组件用作组合框。有关更多信息，请参阅 组合框 页面。

组合框上下文菜单