copy 按钮

src/components/copy-text/index.vue

@@ -1,7 +1,7 @@
 <template>
   <span class="copy" v-if="$slots.default || text">
     <slot/>{{text}}
-    <i @click="copyText" title="复制" class="el-icon-document-copy"></i>
+    <i v-if="!!text" @click="copyText" title="复制" class="el-icon-document-copy"></i>
   </span>
 </template>