lovecoding
/
Web1020


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/vue.js"></script>
</head>
<body>
    <div id="app">
        <!-- is 用来切换显示的组件 is等于哪个组件名称就展示哪个组件 -->
        <div v-bind:is="comp"></div>
        <button @click="parentHandle">修改组件</button>
    </div>
    <script>
        var app = new Vue({
            el: '#app',
            data:{
                comp:"box1"
            },
            methods: {
                parentHandle(){
                    this.comp = "box2"
                }
            },
            beforeCreate() {
                console.log('父组件 beforeCreate');
            },
            created() {
                console.log('父组件 created');
            },
            beforeMount() {
                console.log('父组件 beforeMount');
            },
            mounted() {
                console.log('父组件 mounted');
            },
            beforeUpdate() {
                console.log('父组件 beforeUpdate');
            },
            updated() {
                console.log('父组件 updated');
            },
            components: {
                box1:{
                    template: '<div @click="childHandle">box1{{num}}</div>',
                    data(){
                        return {
                            num:1
                        }
                    },
                    methods: {
                        childHandle() {
                            this.num++;
                        }
                    },
                    beforeCreate() {
                        console.log('子组件 beforeCreate');
                    },
                    created() {
                        console.log('子组件 created');
                    },
                    beforeMount() {
                        console.log('子组件 beforeMount');
                    },
                    mounted() {
                        console.log('子组件 mounted');
                    },
                    beforeUpdate() {
                        console.log('子组件 beforeUpdate');
                    },
                    updated() {
                        console.log('子组件 updated');
                    },
                    beforeDestroy() {
                        console.log('子组件 beforeDestroy');
                    },
                    destroyed() {
                        console.log('子组件 destroyed');
                    }
                },
                box2:{
                    template: '<div>box2</div>'
                }
            }
        })
    </script>
</body>
</html>