复选框

"use client"

import { Checkbox } from "@/components/ui/checkbox"
import { Label } from "@/components/ui/label"

export function CheckboxDemo() {
  return (
    <div className="flex flex-col gap-6">
      <div className="flex items-center gap-3">
        <Checkbox id="terms" />
        <Label htmlFor="terms">Accept terms and conditions</Label>
      </div>
      <div className="flex items-start gap-3">
        <Checkbox id="terms-2" defaultChecked />
        <div className="grid gap-2">
          <Label htmlFor="terms-2">Accept terms and conditions</Label>
          <p className="text-muted-foreground text-sm">
            By clicking this checkbox, you agree to the terms and conditions.
          </p>
        </div>
      </div>
      <div className="flex items-start gap-3">
        <Checkbox id="toggle" disabled />
        <Label htmlFor="toggle">Enable notifications</Label>
      </div>
      <Label className="hover:bg-accent/50 flex items-start gap-3 rounded-lg border p-3 has-[[aria-checked=true]]:border-blue-600 has-[[aria-checked=true]]:bg-blue-50 dark:has-[[aria-checked=true]]:border-blue-900 dark:has-[[aria-checked=true]]:bg-blue-950">
        <Checkbox
          id="toggle-2"
          defaultChecked
          className="data-[state=checked]:border-blue-600 data-[state=checked]:bg-blue-600 data-[state=checked]:text-white dark:data-[state=checked]:border-blue-700 dark:data-[state=checked]:bg-blue-700"
        />
        <div className="grid gap-1.5 font-normal">
          <p className="text-sm leading-none font-medium">
            Enable notifications
          </p>
          <p className="text-muted-foreground text-sm">
            You can enable or disable notifications at any time.
          </p>
        </div>
      </Label>
    </div>
  )
}

"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 { Checkbox } from "@/components/ui/checkbox"
import {
  Form,
  FormControl,
  FormDescription,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form"

const items = [
  {
    id: "recents",
    label: "Recents",
  },
  {
    id: "home",
    label: "Home",
  },
  {
    id: "applications",
    label: "Applications",
  },
  {
    id: "desktop",
    label: "Desktop",
  },
  {
    id: "downloads",
    label: "Downloads",
  },
  {
    id: "documents",
    label: "Documents",
  },
] as const

const FormSchema = z.object({
  items: z.array(z.string()).refine((value) => value.some((item) => item), {
    message: "You have to select at least one item.",
  }),
})

export function CheckboxReactHookFormMultiple() {
  const form = useForm<z.infer<typeof FormSchema>>({
    resolver: zodResolver(FormSchema),
    defaultValues: {
      items: ["recents", "home"],
    },
  })

  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="space-y-8">
        <FormField
          control={form.control}
          name="items"
          render={() => (
            <FormItem>
              <div className="mb-4">
                <FormLabel className="text-base">Sidebar</FormLabel>
                <FormDescription>
                  Select the items you want to display in the sidebar.
                </FormDescription>
              </div>
              {items.map((item) => (
                <FormField
                  key={item.id}
                  control={form.control}
                  name="items"
                  render={({ field }) => {
                    return (
                      <FormItem
                        key={item.id}
                        className="flex flex-row items-center gap-2"
                      >
                        <FormControl>
                          <Checkbox
                            checked={field.value?.includes(item.id)}
                            onCheckedChange={(checked) => {
                              return checked
                                ? field.onChange([...field.value, item.id])
                                : field.onChange(
                                    field.value?.filter(
                                      (value) => value !== item.id
                                    )
                                  )
                            }}
                          />
                        </FormControl>
                        <FormLabel className="text-sm font-normal">
                          {item.label}
                        </FormLabel>
                      </FormItem>
                    )
                  }}
                />
              ))}
              <FormMessage />
            </FormItem>
          )}
        />
        <Button type="submit">Submit</Button>
      </form>
    </Form>
  )
}