uniapp 微信小程序 页面+组件的生命周期顺序

首页

首页只提供了一个跳转按钮。

<template>
	<view>
		<navigator url="/pages/myPage/myPage?name=jerry" hover-class="navigator-hover">
			<button type="default">跳转到新页面button>
		navigator>
	view>
template>

<script>
	export default {
		data() {return { }},
	}
script>

<style>
style>

页面

<template>
	<view> 页面 <parent-component>parent-componentparent-component> view>
template>

<script>
	export default {
		data() {return { }},
		onInit(option){console.log(`页面 onInit: ${JSON.stringify(option)}`)},
		onLoad(option){console.log(`页面 onLoad: ${JSON.stringify(option)}`)},
		onShow(option){console.log(`页面 onShow: ${JSON.stringify(option)}`)},
		onReady(option){console.log(`页面 onReady: ${JSON.stringify(option)}`)},
		onHide(option){console.log(`页面 onHide: ${JSON.stringify(option)}`)},
		onUnload(option){console.log(`页面 onUnload: ${JSON.stringify(option)}`)},
		onResize(option){console.log(`页面 onResize: ${JSON.stringify(option)}`)},
		onPullDownRefresh(option){console.log(`页面 onPullDownRefresh: ${JSON.stringify(option)}`)},
		onReachBottom(option){console.log(`页面 onReachBottom: ${JSON.stringify(option)}`)},
		onTabItemTap(option){console.log(`页面 onTabItemTap: ${JSON.stringify(option)}`)},
		onShareAppMessage(option){console.log(`页面 onShareAppMessage: ${JSON.stringify(option)}`)},
		onPageScroll(option){console.log(`页面 onPageScroll: ${JSON.stringify(option)}`)},
		onShareTimeline(option){console.log(`页面 onShareTimeline: ${JSON.stringify(option)}`)},
		onAddToFavorites(option){console.log(`页面 onAddToFavorites: ${JSON.stringify(option)}`)},
	}
script>

<style>
style>

父组件

<template>
	<view> 父组件 <child-component>child-componentchild-component> view>
template>

<script>
	export default {
		data() {return {};},
		beforeCreate(option){console.log(`父组件 beforeCreate: ${option}`)},
		created(option){console.log(`父组件 created: ${option}`)},
		beforeMount(option){console.log(`父组件 beforeMount: ${option}`)},
		mounted(option){console.log(`父组件 mounted: ${option}`)},
		beforeDestroy(option){console.log(`父组件 beforeDestroy: ${option}`)},
		destroyed(option){console.log(`父组件 destroyed: ${option}`)},
	}
script>

<style>
style>

子组件

<template>
	<view> 子组件 view>
template>

<script>
	export default {
		data() {return {};},
		beforeCreate(option){console.log(`子组件 beforeCreate: ${option}`)},
		created(option){console.log(`子组件 created: ${option}`)},
		beforeMount(option){console.log(`子组件 beforeMount: ${option}`)},
		mounted(option){console.log(`子组件 mounted: ${option}`)},
		beforeDestroy(option){console.log(`子组件 beforeDestroy: ${option}`)},
		destroyed(option){console.log(`子组件 destroyed: ${option}`)},
	}
script>

<style>
style>

完整顺序

// 进入
父组件 beforeCreate: undefined
父组件 created: undefined
父组件 beforeMount: undefined
子组件 beforeCreate: undefined
子组件 created: undefined
子组件 beforeMount: undefined
页面 onLoad: {"name":"jerry"}
页面 onShow: undefined
子组件 mounted: undefined
父组件 mounted: undefined
页面 onReady: undefined

// 退出
页面 onUnload: undefined
子组件 beforeDestroy: undefined
子组件 destroyed: undefined
父组件 beforeDestroy: undefined
父组件 destroyed: undefined

参考资料

uniap 页面生命周期
uniapp 组件生命周期