Vue Component 标签
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <div id="app"> <!-- 调用全局注册的组件 --> <button-counter></button-counter> <p>----------------------</p> <buttonCounter></buttonCounter> <box1></box1> <button-counter></button-counter> </div> <p>======================</p> <div id="root"> <button-counter></button-counter> <box2></box2> </div> <!-- script标签 --> <!-- <script type="text/template" id="button_counter">--> <!-- <button @click="count++">点{{count}}次</button>--> <!-- </script>--> <!-- <script type="text/template" id="div_box2">--> <!-- <div style="background-color: red">div_box2<button-counter></button-counter></div>--> <!-- </script>--> <!-- template标签 --> <template id="button_counter"> <button @click="count++">点{{count}}次</button> </template> <template id="div_box2">--> <div style="background-color: red">div_box2<button-counter></button-counter></div> </template> <script src="js/vue.3.2.2.js"></script> <script> //注册一个局部组件 const Counter={ data(){ return{ count: 0 } }, template:\'#button_counter\' } const Box={ components: { \'button-counter\':Counter }, template:\'#div_box2\' } // 1、创建Vue的实例对象 const app = Vue.createApp({ data(){//定义数据 return { msg:\'你好!\' } } }); const root = Vue.createApp({ data(){//定义数据 return { msg:\'你好2!\' } }, components:{ \'button-counter\':Counter, \'box2\':Box } }); <!-- 建议使用这种 --> app.component(\'button-counter\',{ data(){ return{ count: 0 } }, template:\'<button @click="count++">点击{{count}}次</button>\' }); <!-- 这种只有脚手架工程开发时才有效 --> app.component(\'buttonCounter\',{ data(){ return{ count2: 0 } }, template:\'<button @click="count2++">点击{{count2}}次</button>\' }); app.component(\'box1\',{ template:\'<div style="background-color: red">\' + \'div_box1\' + \'<button-counter></button-counter>\' + \'</div>\' }); app.mount(\'#app\'); root.mount(\'#root\'); </script> </body> </html>
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