Textarea

GitHub
一个用于输入多行文本的文本区域元素。

用法

使用 v-model 指令来控制 Textarea 的值。

<script setup lang="ts">
const value = ref('')
</script>

<template>
  <UTextarea v-model="value" />
</template>

行数

使用 rows prop 设置行数。默认为 3

<template>
  <UTextarea :rows="12" />
</template>

占位符

使用 placeholder 属性设置占位文本。

<template>
  <UTextarea placeholder="Type something..." />
</template>

自动调整大小

使用 autoresize prop 启用 Textarea 高度的自动调整。

<script setup lang="ts">
const value = ref('This is a long text that will autoresize the height of the Textarea.')
</script>

<template>
  <UTextarea v-model="value" autoresize />
</template>

使用 maxrows prop 设置自动调整大小时的最大行数。如果设置为 0,Textarea 将无限增长。

<script setup lang="ts">
const value = ref('This is a long text that will autoresize the height of the Textarea with a maximum of 4 rows.')
</script>

<template>
  <UTextarea v-model="value" :maxrows="4" autoresize />
</template>

颜色

使用 color prop 更改 Textarea 聚焦时的环形颜色。

<template>
  <UTextarea color="neutral" highlight placeholder="Type something..." />
</template>
highlight 属性在此用于显示焦点状态。当发生验证错误时,它会在内部使用。

变体

使用 variant prop 更改 Textarea 的变体。

<template>
  <UTextarea color="neutral" variant="subtle" placeholder="Type something..." />
</template>

尺寸

使用 size prop 更改 Textarea 的大小。

<template>
  <UTextarea size="xl" placeholder="Type something..." />
</template>

Icon

使用 icon prop 在 Textarea 中显示一个 图标

<template>
  <UTextarea icon="i-lucide-search" size="md" variant="outline" placeholder="Search..." :rows="1" />
</template>

使用 leadingtrailing props 设置图标位置,或使用 leading-icontrailing-icon props 为每个位置设置不同的图标。

<template>
  <UTextarea trailing-icon="i-lucide-at-sign" placeholder="Enter your email" size="md" :rows="1" />
</template>

Avatar

使用 avatar prop 在 Textarea 中显示一个 头像

<template>
  <UTextarea
    :avatar="{
      src: 'https://github.com/nuxt.png'
    }"
    size="md"
    variant="outline"
    placeholder="Search..."
    :rows="1"
  />
</template>

加载中

使用 loading prop 在 Textarea 上显示加载图标。

<template>
  <UTextarea loading placeholder="Search..." :rows="1" />
</template>

加载图标

使用 loading-icon prop 自定义加载图标。默认为 i-lucide-loader-circle

<template>
  <UTextarea loading loading-icon="i-lucide-loader" placeholder="Search..." :rows="1" />
</template>
你可以在 app.config.ts 文件中,通过 ui.icons.loading 键全局自定义此图标。
你可以在 vite.config.ts 文件中,通过 ui.icons.loading 键全局自定义此图标。

禁用

使用 disabled prop 禁用 Textarea。

<template>
  <UTextarea disabled placeholder="Type something..." />
</template>

API

属性

属性默认值类型
as

'div'

any

此组件应渲染为的元素或组件。

id

string

name

string

placeholder

string

文本域为空时的占位文本。

color

'primary'

"error" | "primary" | "secondary" | "success" | "info" | "warning" | "neutral"

variant

'outline'

"outline" | "soft" | "subtle" | "ghost" | "none"

尺寸

'md'

"xs" | "sm" | "md" | "lg" | "xl"

required

boolean

autofocus

boolean

autofocusDelay

0

number

autoresize

boolean

autoresizeDelay

0

number

disabled

boolean

rows

3

number

maxrows

0

number

高亮

boolean

高亮环形颜色,如同焦点状态。

modelValue

null | string | number

defaultValue

null | string | number

modelModifiers

{ string?: boolean | undefined; number?: boolean | undefined; trim?: boolean | undefined; lazy?: boolean | undefined; nullify?: boolean | undefined; }

图标

string

根据 leadingtrailing props 显示图标。

avatar

AvatarProps

在左侧显示头像。

前置

boolean

当为 true 时,图标将显示在左侧。

leadingIcon

string

在左侧显示图标。

尾部

boolean

当为 true 时,图标将显示在右侧。

trailingIcon

string

在右侧显示图标。

loading

boolean

当为 true 时,将显示加载图标。

loadingIcon

appConfig.ui.icons.loading

string

loading prop 为 true 时显示的图标。

ui

{ root?: ClassNameValue; base?: ClassNameValue; leading?: ClassNameValue; leadingIcon?: ClassNameValue; leadingAvatar?: ClassNameValue; leadingAvatarSize?: ClassNameValue; trailing?: ClassNameValue; trailingIcon?: ClassNameValue; }

插槽

插槽类型
前置

{}

default

{}

尾部

{}

事件

事件类型
blur

[event: FocusEvent]

change

[event: Event]

update:modelValue

[payload: TextareaValue]

可访问属性

通过模板引用访问组件时,您可以使用以下内容:

名称类型
textareaRefRef<HTMLTextAreaElement | null>

主题

app.config.ts
export default defineAppConfig({
  ui: {
    textarea: {
      slots: {
        root: 'relative inline-flex items-center',
        base: [
          'w-full rounded-md border-0 placeholder:text-dimmed focus:outline-none disabled:cursor-not-allowed disabled:opacity-75',
          'transition-colors'
        ],
        leading: 'absolute start-0 flex items-start',
        leadingIcon: 'shrink-0 text-dimmed',
        leadingAvatar: 'shrink-0',
        leadingAvatarSize: '',
        trailing: 'absolute end-0 flex items-start',
        trailingIcon: 'shrink-0 text-dimmed'
      },
      variants: {
        buttonGroup: {
          horizontal: {
            root: 'group has-focus-visible:z-[1]',
            base: 'group-not-only:group-first:rounded-e-none group-not-only:group-last:rounded-s-none group-not-last:group-not-first:rounded-none'
          },
          vertical: {
            root: 'group has-focus-visible:z-[1]',
            base: 'group-not-only:group-first:rounded-b-none group-not-only:group-last:rounded-t-none group-not-last:group-not-first:rounded-none'
          }
        },
        size: {
          xs: {
            base: 'px-2 py-1 text-xs gap-1',
            leading: 'ps-2 inset-y-1',
            trailing: 'pe-2 inset-y-1',
            leadingIcon: 'size-4',
            leadingAvatarSize: '3xs',
            trailingIcon: 'size-4'
          },
          sm: {
            base: 'px-2.5 py-1.5 text-xs gap-1.5',
            leading: 'ps-2.5 inset-y-1.5',
            trailing: 'pe-2.5 inset-y-1.5',
            leadingIcon: 'size-4',
            leadingAvatarSize: '3xs',
            trailingIcon: 'size-4'
          },
          md: {
            base: 'px-2.5 py-1.5 text-sm gap-1.5',
            leading: 'ps-2.5 inset-y-1.5',
            trailing: 'pe-2.5 inset-y-1.5',
            leadingIcon: 'size-5',
            leadingAvatarSize: '2xs',
            trailingIcon: 'size-5'
          },
          lg: {
            base: 'px-3 py-2 text-sm gap-2',
            leading: 'ps-3 inset-y-2',
            trailing: 'pe-3 inset-y-2',
            leadingIcon: 'size-5',
            leadingAvatarSize: '2xs',
            trailingIcon: 'size-5'
          },
          xl: {
            base: 'px-3 py-2 text-base gap-2',
            leading: 'ps-3 inset-y-2',
            trailing: 'pe-3 inset-y-2',
            leadingIcon: 'size-6',
            leadingAvatarSize: 'xs',
            trailingIcon: 'size-6'
          }
        },
        variant: {
          outline: 'text-highlighted bg-default ring ring-inset ring-accented',
          soft: 'text-highlighted bg-elevated/50 hover:bg-elevated focus:bg-elevated disabled:bg-elevated/50',
          subtle: 'text-highlighted bg-elevated ring ring-inset ring-accented',
          ghost: 'text-highlighted bg-transparent hover:bg-elevated focus:bg-elevated disabled:bg-transparent dark:disabled:bg-transparent',
          none: 'text-highlighted bg-transparent'
        },
        color: {
          primary: '',
          secondary: '',
          success: '',
          info: '',
          warning: '',
          error: '',
          neutral: ''
        },
        leading: {
          true: ''
        },
        trailing: {
          true: ''
        },
        loading: {
          true: ''
        },
        highlight: {
          true: ''
        },
        type: {
          file: 'file:me-1.5 file:font-medium file:text-muted file:outline-none'
        },
        autoresize: {
          true: {
            base: 'resize-none'
          }
        }
      },
      compoundVariants: [
        {
          color: 'primary',
          variant: [
            'outline',
            'subtle'
          ],
          class: 'focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-primary'
        },
        {
          color: 'primary',
          highlight: true,
          class: 'ring ring-inset ring-primary'
        },
        {
          color: 'neutral',
          variant: [
            'outline',
            'subtle'
          ],
          class: 'focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-inverted'
        },
        {
          color: 'neutral',
          highlight: true,
          class: 'ring ring-inset ring-inverted'
        },
        {
          leading: true,
          size: 'xs',
          class: 'ps-7'
        },
        {
          leading: true,
          size: 'sm',
          class: 'ps-8'
        },
        {
          leading: true,
          size: 'md',
          class: 'ps-9'
        },
        {
          leading: true,
          size: 'lg',
          class: 'ps-10'
        },
        {
          leading: true,
          size: 'xl',
          class: 'ps-11'
        },
        {
          trailing: true,
          size: 'xs',
          class: 'pe-7'
        },
        {
          trailing: true,
          size: 'sm',
          class: 'pe-8'
        },
        {
          trailing: true,
          size: 'md',
          class: 'pe-9'
        },
        {
          trailing: true,
          size: 'lg',
          class: 'pe-10'
        },
        {
          trailing: true,
          size: 'xl',
          class: 'pe-11'
        },
        {
          loading: true,
          leading: true,
          class: {
            leadingIcon: 'animate-spin'
          }
        },
        {
          loading: true,
          leading: false,
          trailing: true,
          class: {
            trailingIcon: 'animate-spin'
          }
        }
      ],
      defaultVariants: {
        size: 'md',
        color: 'primary',
        variant: 'outline'
      }
    }
  }
})
vite.config.ts
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import ui from '@nuxt/ui/vite'

export default defineConfig({
  plugins: [
    vue(),
    ui({
      ui: {
        textarea: {
          slots: {
            root: 'relative inline-flex items-center',
            base: [
              'w-full rounded-md border-0 placeholder:text-dimmed focus:outline-none disabled:cursor-not-allowed disabled:opacity-75',
              'transition-colors'
            ],
            leading: 'absolute start-0 flex items-start',
            leadingIcon: 'shrink-0 text-dimmed',
            leadingAvatar: 'shrink-0',
            leadingAvatarSize: '',
            trailing: 'absolute end-0 flex items-start',
            trailingIcon: 'shrink-0 text-dimmed'
          },
          variants: {
            buttonGroup: {
              horizontal: {
                root: 'group has-focus-visible:z-[1]',
                base: 'group-not-only:group-first:rounded-e-none group-not-only:group-last:rounded-s-none group-not-last:group-not-first:rounded-none'
              },
              vertical: {
                root: 'group has-focus-visible:z-[1]',
                base: 'group-not-only:group-first:rounded-b-none group-not-only:group-last:rounded-t-none group-not-last:group-not-first:rounded-none'
              }
            },
            size: {
              xs: {
                base: 'px-2 py-1 text-xs gap-1',
                leading: 'ps-2 inset-y-1',
                trailing: 'pe-2 inset-y-1',
                leadingIcon: 'size-4',
                leadingAvatarSize: '3xs',
                trailingIcon: 'size-4'
              },
              sm: {
                base: 'px-2.5 py-1.5 text-xs gap-1.5',
                leading: 'ps-2.5 inset-y-1.5',
                trailing: 'pe-2.5 inset-y-1.5',
                leadingIcon: 'size-4',
                leadingAvatarSize: '3xs',
                trailingIcon: 'size-4'
              },
              md: {
                base: 'px-2.5 py-1.5 text-sm gap-1.5',
                leading: 'ps-2.5 inset-y-1.5',
                trailing: 'pe-2.5 inset-y-1.5',
                leadingIcon: 'size-5',
                leadingAvatarSize: '2xs',
                trailingIcon: 'size-5'
              },
              lg: {
                base: 'px-3 py-2 text-sm gap-2',
                leading: 'ps-3 inset-y-2',
                trailing: 'pe-3 inset-y-2',
                leadingIcon: 'size-5',
                leadingAvatarSize: '2xs',
                trailingIcon: 'size-5'
              },
              xl: {
                base: 'px-3 py-2 text-base gap-2',
                leading: 'ps-3 inset-y-2',
                trailing: 'pe-3 inset-y-2',
                leadingIcon: 'size-6',
                leadingAvatarSize: 'xs',
                trailingIcon: 'size-6'
              }
            },
            variant: {
              outline: 'text-highlighted bg-default ring ring-inset ring-accented',
              soft: 'text-highlighted bg-elevated/50 hover:bg-elevated focus:bg-elevated disabled:bg-elevated/50',
              subtle: 'text-highlighted bg-elevated ring ring-inset ring-accented',
              ghost: 'text-highlighted bg-transparent hover:bg-elevated focus:bg-elevated disabled:bg-transparent dark:disabled:bg-transparent',
              none: 'text-highlighted bg-transparent'
            },
            color: {
              primary: '',
              secondary: '',
              success: '',
              info: '',
              warning: '',
              error: '',
              neutral: ''
            },
            leading: {
              true: ''
            },
            trailing: {
              true: ''
            },
            loading: {
              true: ''
            },
            highlight: {
              true: ''
            },
            type: {
              file: 'file:me-1.5 file:font-medium file:text-muted file:outline-none'
            },
            autoresize: {
              true: {
                base: 'resize-none'
              }
            }
          },
          compoundVariants: [
            {
              color: 'primary',
              variant: [
                'outline',
                'subtle'
              ],
              class: 'focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-primary'
            },
            {
              color: 'primary',
              highlight: true,
              class: 'ring ring-inset ring-primary'
            },
            {
              color: 'neutral',
              variant: [
                'outline',
                'subtle'
              ],
              class: 'focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-inverted'
            },
            {
              color: 'neutral',
              highlight: true,
              class: 'ring ring-inset ring-inverted'
            },
            {
              leading: true,
              size: 'xs',
              class: 'ps-7'
            },
            {
              leading: true,
              size: 'sm',
              class: 'ps-8'
            },
            {
              leading: true,
              size: 'md',
              class: 'ps-9'
            },
            {
              leading: true,
              size: 'lg',
              class: 'ps-10'
            },
            {
              leading: true,
              size: 'xl',
              class: 'ps-11'
            },
            {
              trailing: true,
              size: 'xs',
              class: 'pe-7'
            },
            {
              trailing: true,
              size: 'sm',
              class: 'pe-8'
            },
            {
              trailing: true,
              size: 'md',
              class: 'pe-9'
            },
            {
              trailing: true,
              size: 'lg',
              class: 'pe-10'
            },
            {
              trailing: true,
              size: 'xl',
              class: 'pe-11'
            },
            {
              loading: true,
              leading: true,
              class: {
                leadingIcon: 'animate-spin'
              }
            },
            {
              loading: true,
              leading: false,
              trailing: true,
              class: {
                trailingIcon: 'animate-spin'
              }
            }
          ],
          defaultVariants: {
            size: 'md',
            color: 'primary',
            variant: 'outline'
          }
        }
      }
    })
  ]
})
vite.config.ts
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import uiPro from '@nuxt/ui-pro/vite'

export default defineConfig({
  plugins: [
    vue(),
    uiPro({
      ui: {
        textarea: {
          slots: {
            root: 'relative inline-flex items-center',
            base: [
              'w-full rounded-md border-0 placeholder:text-dimmed focus:outline-none disabled:cursor-not-allowed disabled:opacity-75',
              'transition-colors'
            ],
            leading: 'absolute start-0 flex items-start',
            leadingIcon: 'shrink-0 text-dimmed',
            leadingAvatar: 'shrink-0',
            leadingAvatarSize: '',
            trailing: 'absolute end-0 flex items-start',
            trailingIcon: 'shrink-0 text-dimmed'
          },
          variants: {
            buttonGroup: {
              horizontal: {
                root: 'group has-focus-visible:z-[1]',
                base: 'group-not-only:group-first:rounded-e-none group-not-only:group-last:rounded-s-none group-not-last:group-not-first:rounded-none'
              },
              vertical: {
                root: 'group has-focus-visible:z-[1]',
                base: 'group-not-only:group-first:rounded-b-none group-not-only:group-last:rounded-t-none group-not-last:group-not-first:rounded-none'
              }
            },
            size: {
              xs: {
                base: 'px-2 py-1 text-xs gap-1',
                leading: 'ps-2 inset-y-1',
                trailing: 'pe-2 inset-y-1',
                leadingIcon: 'size-4',
                leadingAvatarSize: '3xs',
                trailingIcon: 'size-4'
              },
              sm: {
                base: 'px-2.5 py-1.5 text-xs gap-1.5',
                leading: 'ps-2.5 inset-y-1.5',
                trailing: 'pe-2.5 inset-y-1.5',
                leadingIcon: 'size-4',
                leadingAvatarSize: '3xs',
                trailingIcon: 'size-4'
              },
              md: {
                base: 'px-2.5 py-1.5 text-sm gap-1.5',
                leading: 'ps-2.5 inset-y-1.5',
                trailing: 'pe-2.5 inset-y-1.5',
                leadingIcon: 'size-5',
                leadingAvatarSize: '2xs',
                trailingIcon: 'size-5'
              },
              lg: {
                base: 'px-3 py-2 text-sm gap-2',
                leading: 'ps-3 inset-y-2',
                trailing: 'pe-3 inset-y-2',
                leadingIcon: 'size-5',
                leadingAvatarSize: '2xs',
                trailingIcon: 'size-5'
              },
              xl: {
                base: 'px-3 py-2 text-base gap-2',
                leading: 'ps-3 inset-y-2',
                trailing: 'pe-3 inset-y-2',
                leadingIcon: 'size-6',
                leadingAvatarSize: 'xs',
                trailingIcon: 'size-6'
              }
            },
            variant: {
              outline: 'text-highlighted bg-default ring ring-inset ring-accented',
              soft: 'text-highlighted bg-elevated/50 hover:bg-elevated focus:bg-elevated disabled:bg-elevated/50',
              subtle: 'text-highlighted bg-elevated ring ring-inset ring-accented',
              ghost: 'text-highlighted bg-transparent hover:bg-elevated focus:bg-elevated disabled:bg-transparent dark:disabled:bg-transparent',
              none: 'text-highlighted bg-transparent'
            },
            color: {
              primary: '',
              secondary: '',
              success: '',
              info: '',
              warning: '',
              error: '',
              neutral: ''
            },
            leading: {
              true: ''
            },
            trailing: {
              true: ''
            },
            loading: {
              true: ''
            },
            highlight: {
              true: ''
            },
            type: {
              file: 'file:me-1.5 file:font-medium file:text-muted file:outline-none'
            },
            autoresize: {
              true: {
                base: 'resize-none'
              }
            }
          },
          compoundVariants: [
            {
              color: 'primary',
              variant: [
                'outline',
                'subtle'
              ],
              class: 'focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-primary'
            },
            {
              color: 'primary',
              highlight: true,
              class: 'ring ring-inset ring-primary'
            },
            {
              color: 'neutral',
              variant: [
                'outline',
                'subtle'
              ],
              class: 'focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-inverted'
            },
            {
              color: 'neutral',
              highlight: true,
              class: 'ring ring-inset ring-inverted'
            },
            {
              leading: true,
              size: 'xs',
              class: 'ps-7'
            },
            {
              leading: true,
              size: 'sm',
              class: 'ps-8'
            },
            {
              leading: true,
              size: 'md',
              class: 'ps-9'
            },
            {
              leading: true,
              size: 'lg',
              class: 'ps-10'
            },
            {
              leading: true,
              size: 'xl',
              class: 'ps-11'
            },
            {
              trailing: true,
              size: 'xs',
              class: 'pe-7'
            },
            {
              trailing: true,
              size: 'sm',
              class: 'pe-8'
            },
            {
              trailing: true,
              size: 'md',
              class: 'pe-9'
            },
            {
              trailing: true,
              size: 'lg',
              class: 'pe-10'
            },
            {
              trailing: true,
              size: 'xl',
              class: 'pe-11'
            },
            {
              loading: true,
              leading: true,
              class: {
                leadingIcon: 'animate-spin'
              }
            },
            {
              loading: true,
              leading: false,
              trailing: true,
              class: {
                trailingIcon: 'animate-spin'
              }
            }
          ],
          defaultVariants: {
            size: 'md',
            color: 'primary',
            variant: 'outline'
          }
        }
      }
    })
  ]
})
为便于阅读,compoundVariants 中的某些颜色已省略。请在 GitHub 上查看源代码。