单选组

import { Label } from "@/components/ui/label"
import {
  RadioGroup,
  RadioGroupItem,
} from "@/components/ui/radio-group"

export function RadioGroupDemo() {
  return (
    <RadioGroup defaultValue="comfortable">
      <div className="flex items-center gap-3">
        <RadioGroupItem value="default" id="r1" />
        <Label htmlFor="r1">Default</Label>
      </div>
      <div className="flex items-center gap-3">
        <RadioGroupItem value="comfortable" id="r2" />
        <Label htmlFor="r2">Comfortable</Label>
      </div>
      <div className="flex items-center gap-3">
        <RadioGroupItem value="compact" id="r3" />
        <Label htmlFor="r3">Compact</Label>
      </div>
    </RadioGroup>
  )
}

"use client"

import { zodResolver } from "@hookform/resolvers/zod"
import { useForm } from "react-hook-form"
import { toast } from "sonner"
import { z } from "zod"

import { Button } from "@/components/ui/button"
import {
  Form,
  FormControl,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form"
import {
  RadioGroup,
  RadioGroupItem,
} from "@/components/ui/radio-group"

const FormSchema = z.object({
  type: z.enum(["all", "mentions", "none"], {
    required_error: "You need to select a notification type.",
  }),
})

export function RadioGroupForm() {
  const form = useForm<z.infer<typeof FormSchema>>({
    resolver: zodResolver(FormSchema),
  })

  function onSubmit(data: z.infer<typeof FormSchema>) {
    toast("You submitted the following values", {
      description: (
        <pre className="mt-2 w-[320px] rounded-md bg-neutral-950 p-4">
          <code className="text-white">{JSON.stringify(data, null, 2)}</code>
        </pre>
      ),
    })
  }

  return (
    <Form {...form}>
      <form onSubmit={form.handleSubmit(onSubmit)} className="w-2/3 space-y-6">
        <FormField
          control={form.control}
          name="type"
          render={({ field }) => (
            <FormItem className="space-y-3">
              <FormLabel>Notify me about...</FormLabel>
              <FormControl>
                <RadioGroup
                  onValueChange={field.onChange}
                  defaultValue={field.value}
                  className="flex flex-col"
                >
                  <FormItem className="flex items-center gap-3">
                    <FormControl>
                      <RadioGroupItem value="all" />
                    </FormControl>
                    <FormLabel className="font-normal">
                      All new messages
                    </FormLabel>
                  </FormItem>
                  <FormItem className="flex items-center gap-3">
                    <FormControl>
                      <RadioGroupItem value="mentions" />
                    </FormControl>
                    <FormLabel className="font-normal">
                      Direct messages and mentions
                    </FormLabel>
                  </FormItem>
                  <FormItem className="flex items-center gap-3">
                    <FormControl>
                      <RadioGroupItem value="none" />
                    </FormControl>
                    <FormLabel className="font-normal">Nothing</FormLabel>
                  </FormItem>
                </RadioGroup>
              </FormControl>
              <FormMessage />
            </FormItem>
          )}
        />
        <Button type="submit">Submit</Button>
      </form>
    </Form>
  )
}