执行顺序：beforeCreate->父created->父beforeMount->子beforeCreate->子created->子beforeMount->子mounted->父mounted。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="./lib/vue-2.4.0.js"></script>
</head>
<body>
<div id="app">
<login></login>
</div>
<script>
var login = {
template: '<h1>{{childMsg}}}</h1>',
data(){
return {
childMsg:'child'
}
},
beforeCreate: function () {
debugger;
console.log("子组件的beforeCreate")
},
created: function () {
debugger
console.log("子组件的created")
},
beforeMount: function () {
debugger
console.log("子组件的beforeMount")
},
mounted: function () {
debugger
console.log("子组件的mounted")
}
}
var vm = new Vue({
el: '#app',
data: {
fatherMsg: "father"
},
methods: {},
components: {
login
},
beforeCreate: function () {
debugger
console.log("父组件的beforeCreate")
},
created: function () {
debugger
console.log("父组件的created")
},
beforeMount: function () {
debugger
console.log("父组件的beforeMount")
},
mounted: function () {
debugger
console.log("父组件的mounted")
},
});
</script>
</body>
</html>
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