全局组件父子传参(父传子)

点击父组件里面的按钮可以控制子组件内的视图显示与隐藏

 

<!DOCTYPE html>

<html lang=”en”>

<head>

    <meta charset=”UTF-8″>

    <title>父组件控制子组件</title>

    <style>

        .show{

            width:100px;

            height: 100px;

            text-align: center;

            font-size: 20px;

            line-height: 100px;

            background-color: rgba(0,0,136,0.36);

        }

    </style>

</head>

<body>

<div id=”app”>

    <father></father>

</div>

<template id=”father”>

    <div>

        father

        <button @click=”fhide”>show/hide</button>

        {{hidef}}

        <hr>

       <son :test=”hidef”></son>

    </div>

</template>

<template id=”son”>

    <div>

    <div class=”show” v-if=”test”>son{{test}}</div>

        <!–这里的v-if的值test是由父组件传给子组件的–>

    <button @click=”shide”>显示/隐藏</button>

    </div>

</template>

<script src=”vue.js”></script>

<script>

    Vue.component(‘father’,{

        template:”#father”,

        data(){

            return{

                hidef:true

            }

        },

        methods:{

            fhide(){

                this.hidef=!this.hidef;

            }

        }

    })

    Vue.component(‘son’,{

        template:”#son”,

        data(){

            return{

                hides:true

            }

        },

        methods:{

            shide(){

                this.hides=!this.hides;

            }

        },

        props:[‘test’]

    })

    new Vue({

        el:”#app”

    });

</script>

</body>

</html>

由父到子

子组件通过props抛出一个自定义组件标签属性。

父组件通过子组件的组件标签属性将需要的 数据传递过去。

子组件通过抛出的标签属性来调用这个值。

 

posted on 2019-03-21 10:52 ranyonsue 阅读() 评论() 编辑 收藏

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本文链接:https://www.cnblogs.com/ranyonsue/p/10570124.html