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vue19如何组建Vue.extend component、组件模版、动态组件

发布时间:2021-07-22 11:12:22 来源:亿速云 阅读:148 作者:小新 栏目:web开发

这篇文章主要介绍vue19如何组建Vue.extend component、组件模版、动态组件,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!

具体代码如下所示:

<!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:'<h4>我是标题3</h4>'
    });
    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:'<h4>我是标题3</h4>'
    });
    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:'<h4>{{msg}}</h4>'
    });

    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:'<h4 @click="change">{{msg}}</h4>'
    });

    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:'<h4>{{msg}}</h4>',
      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:'<h4>{{msg}}</h4>',
      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:'<h3 @click="change">标题2->{{msg}}</h3>'
        }
      }
    });
  </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>

  <template id="aaa">
    <h2>标题1</h2>
    <ul>
      <li v-for="val in arr">
        {{val}}
      </li>
    </ul>
  </template>

  <script>
    var vm=new Vue({
      el:'#box',
      components:{
        'my-aaa':{
          data(){
            return {
              msg:'welcome vue',
              arr:['apple','banana','orange']
            }
          },
          methods:{
            change(){
              this.msg='changed';
            }
          },
          template:'#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 type="x-template" id="aaa">
    <h3 @click="change">标题2->{{msg}}</h3>
    <ul>
      <li>1111</li>
      <li>222</li>
      <li>3333</li>
      <li>1111</li>
    </ul>
  </script>

  <script>
    var vm=new Vue({
      el:'#box',
      components:{
        'my-aaa':{
          data(){
            return {
              msg:'welcome vue'
            }
          },
          methods:{
            change(){
              this.msg='changed';
            }
          },
          template:'#aaa'
        }
      }
    });

  </script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>动态组件</title>
  <script src="bower_components/vue/dist/vue.js"></script>
  <style>
  </style>
</head>
<body>
  <div id="box">
    <input type="button" @click="a='aaa'" value="aaa组件">
    <input type="button" @click="a='bbb'" value="bbb组件">
    <component :is="a"></component> <!-- 动态组件-->
  </div>

  <script>
    var vm=new Vue({
      el:'#box',
      data:{
        a:'aaa'
      },
      components:{
        'aaa':{
          template:'<h3>我是aaa组件</h3>'
        },
        'bbb':{
          template:'<h3>我是bbb组件</h3>'
        }
      }
    });

  </script>
</body>
</html>

下面看下vue component动态组件

 动态组件

通过component标签 的is属性来进行组件的切换

is的属性值决定要显示的组件,所以将is的属性值设置为data中的值,以便于动态变化

<template>
  <div class="app">
      <component :is="组件名称">
 
      </component>
  </div>
</template>

以上是“vue19如何组建Vue.extend component、组件模版、动态组件”这篇文章的所有内容,感谢各位的阅读!希望分享的内容对大家有帮助,更多相关知识,欢迎关注亿速云行业资讯频道!

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