版权声明：独学而无友，则孤陋寡闻。q群582951247 https://blog.csdn.net/mp624183768/article/details/87966828
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<title>Title</title>
<style>
#app{
margin: 1em;
font-size: 1.2em;
}
.component{
border: 1px solid #000000;
padding: 10px;
}
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<body>
<div id="app">
<my-component></my-component>
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//register
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el:"#app"
});
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