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vue19 组建 Vue.extend component

2024-10-03 17:25:02   217人阅读

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="bower_components/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="box">
    </div>
    <script>
        var Aaa=Vue.extend({//继承出来一个Vue类Aaa
            template:‘<h3>我是标题3</h3>‘
        });
        var a=new Aaa();//a跟vm一样
        console.log(a);
        var vm=new Vue({
            el:‘#box‘,
            data:{
                bSign:true
            }
        });
    </script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="bower_components/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="box">
        <aaa></aaa>
    </div>
    <script>
        var Aaa=Vue.extend({
            template:‘<h3>我是标题3</h3>‘
        });
        Vue.component(‘aaa‘,Aaa);//aaa是组建实例，全局组件
        var vm=new Vue({
            el:‘#box‘,
            data:{
                bSign:true
            }
        });
    </script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="bower_components/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="box">
        <aaa></aaa>
    </div>

    <script>
        var Aaa=Vue.extend({
            data(){
                return {
                    msg:‘我是标题^^‘
                };
            },
            template:‘<h3>{{msg}}</h3>‘
        });

        Vue.component(‘aaa‘,Aaa);


        var vm=new Vue({
            el:‘#box‘,
            data:{
                bSign:true
            }
        });

    </script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="bower_components/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="box">
        <aaa></aaa>
    </div>

    <script>
        var Aaa=Vue.extend({
            data(){
                return {
                    msg:‘我是标题^^‘
                };
            },
            methods:{
                change(){
                    this.msg=‘changed‘
                }
            },
            template:‘<h3 @click="change">{{msg}}</h3>‘
        });

        Vue.component(‘aaa‘,Aaa);


        var vm=new Vue({
            el:‘#box‘,
            data:{
                bSign:true
            }
        });

    </script>
</body>
</html>

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="bower_components/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="box">
        <aaa></aaa>
    </div>

    <script>
        var Aaa=Vue.extend({
            template:‘<h3>{{msg}}</h3>‘,
            data(){// es6语法，函数不写：，组件里面放数据: data必须是函数的形式，函数必须返回一个对象(json)
                return {
                    msg:‘ddddd‘
                }
            }
        });


        var vm=new Vue({
            el:‘#box‘,
            data:{
                bSign:true
            },
            components:{ //局部组件，放到某个组件内部，Vue.component(‘aaa‘,Aaa);
                aaa:Aaa
            }
        });

    </script>
</body>
</html>

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="bower_components/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="box">
        <my-aaa></my-aaa>
    </div>
    <script>
        var Aaa=Vue.extend({
            template:‘<h3>{{msg}}</h3>‘,
            data(){
                return {
                    msg:‘ddddd‘
                }
            }
        });
        var vm=new Vue({
            el:‘#box‘,
            data:{
                bSign:true
            },
            components:{ //局部组件
                ‘my-aaa‘:Aaa
            }
        });
    </script>
</body>
</html>

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="bower_components/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="box">
        <my-aaa></my-aaa>
    </div>
    <script>
        Vue.component(‘my-aaa‘,{//全局，公共的提出去
            template:‘<strong>好</strong>‘
        });
        var vm=new Vue({
            el:‘#box‘
        });
    </script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="bower_components/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="box">
        <my-aaa></my-aaa>
    </div>
    <script>
        var vm=new Vue({
            el:‘#box‘,
            components:{ //局部
                ‘my-aaa‘:{
                    data(){
                        return {
                            msg:‘welcome vue‘
                        }
                    },
                    methods:{
                        change(){
                            this.msg=‘changed‘;
                        }
                    },
                    template:‘<h2 @click="change">标题2->{{msg}}</h2>‘
                }
            }
        });
    </script>
</body>
</html>

 

vue19 组建 Vue.extend component


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