Combobox

Docs

Combobox

Autocomplete input and command palette with a list of suggestions.

关于

<Command /> 组件使用 pacocourse 的 cmdk 组件。

安装

npx shadcn-ui@latest add command

用法

import {
  Command,
  CommandDialog,
  CommandEmpty,
  CommandGroup,
  CommandInput,
  CommandItem,
  CommandList,
  CommandSeparator,
  CommandShortcut,
} from "@/components/ui/command"

<Command>
  <CommandInput placeholder="输入命令或搜索..." />
  <CommandList>
    <CommandEmpty>找不到结果。</CommandEmpty>
    <CommandGroup heading="建议">
      <CommandItem>日历</CommandItem>
      <CommandItem>搜索表情</CommandItem>
      <CommandItem>计算器</CommandItem>
    </CommandGroup>
    <CommandSeparator />
    <CommandGroup heading="设置">
      <CommandItem>个人资料</CommandItem>
      <CommandItem>账单</CommandItem>
      <CommandItem>设置</CommandItem>
    </CommandGroup>
  </CommandList>
</Command>

示例

对话框

Press ⌘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="输入命令或搜索..." />
      <CommandList>
        <CommandEmpty>找不到结果。</CommandEmpty>
        <CommandGroup heading="建议">
          <CommandItem>日历</CommandItem>
          <CommandItem>搜索表情</CommandItem>
          <CommandItem>计算器</CommandItem>
        </CommandGroup>
      </CommandList>
    </CommandDialog>
  )
}

组合框

你可以将 <Command /> 组件用作组合框。有关详细信息，请参见组合框页面。