Vue.js <Transition>用法及代码示例

interface TransitionProps {
  /**
   * Used to automatically generate transition CSS class names.
   * e.g. `name: fade'` will auto expand to `.fade-enter`,
   * `.fade-enter-active`, etc.
   */
  name?: string
  /**
   * Whether to apply CSS transition classes.
   * Default: true
   */
  css?: boolean
  /**
   * Specifies the type of transition events to wait for to
   * determine transition end timing.
   * Default behavior is auto detecting the type that has
   * longer duration.
   */
  type?: 'transition' | 'animation'
  /**
   * Specifies explicit durations of the transition.
   * Default behavior is wait for the first `transitionend`
   * or `animationend` event on the root transition element.
   */
  duration?: number | { enter: number; leave: number }
  /**
   * Controls the timing sequence of leaving/entering transitions.
   * Default behavior is simultaneous.
   */
  mode?: 'in-out' | 'out-in' | 'default'
  /**
   * Whether to apply transition on initial render.
   * Default: false
   */
  appear?: boolean

  /**
   * Props for customizing transition classes.
   * Use kebab-case in templates, e.g. enter-from-class="xxx"
   */
  enterFromClass?: string
  enterActiveClass?: string
  enterToClass?: string
  appearFromClass?: string
  appearActiveClass?: string
  appearToClass?: string
  leaveFromClass?: string
  leaveActiveClass?: string
  leaveToClass?: string
}

<Transition>
  <div v-if="ok">toggled content</div>
</Transition>

<Transition name="fade" mode="out-in" appear>
  <component :is="view"></component>
</Transition>

<Transition @after-enter="onTransitionComplete">
  <div v-show="ok">toggled content</div>
</Transition>