初始Vue3.0（5）——生命周期

Vue3 生命周期

生命周期

在 setup 中使用的 hook 名称和原来生命周期的对应关系

• beforeCreate -> 不需要
• created -> 不需要
• beforeMount -> onBeforeMount
• mounted -> onMounted
• beforeUpdate -> onBeforeUpdate
• updated -> onUpdated
• beforeUnmount -> onBeforeUnmount
• unmounted -> onUnmounted
• errorCaptured -> onErrorCaptured
• renderTracked -> onRenderTracked
• renderTriggered -> onRenderTriggered

setup() {
  onMounted(() => {
    console.log('mounted')
  })
  onUpdated(() => {
    console.log('updated')
  })
  onRenderTriggered((event) => {
    console.log(event)
  })
}