first commit

src/components/A.vue

@@ -0,0 +1,15 @@
+<template>
+    <div>
+        <p class="title">这是标题</p>
+    </div>
+</template>
+<style scoped>
+.title{
+    font-size: 108px;
+}
+</style>
+<script>
+export default {
+    
+}
+</script>

src/components/Msg.vue

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+<template>
+<div>
+    <button class="name">按钮1</button>    
+    <button>按钮2</button>
+    <Title class="a"></Title>
+</div>
+</template>
+<style scoped>
+.name{
+    color: red;
+}
+.a >>> .title{
+    font-size: 10px;
+}
+</style>
+<script>
+import Title from "./A.vue"
+export default {
+    components:{
+        Title
+    }
+}
+</script>