Vue利用插件实现打印功能的示例详解

import Print from 'vue-print-nb'
// Global instruction 
Vue.use(Print);
 
//or
 
// Local instruction
import print from 'vue-print-nb'
 
directives: {
    print   
}

// Global instruction 
import { createApp } from 'vue'
import App from './App.vue'
import print from 'vue3-print-nb'
const app = createApp(App)
app.use(print)
app.mount('#app')
 
//or
 
// Local instruction
import print from 'vue3-print-nb'
 
directives: {
    print   
}

<button v-print>Print the entire page</button>

<button v-print="'#print-content'">打印</button>
<div id="print-content">
  <p>葫芦娃，葫芦娃</p>
  <p>一根藤上七朵花 </p>
  <p>小小树藤是我家 啦啦啦啦 </p>
  <p>叮当当咚咚当当　浇不大</p>
  <p> 叮当当咚咚当当 是我家</p>
  <p> 啦啦啦啦</p>
  <p>...</p>
</div>

<template>
  <div class="main">
    <button v-print="printObj" @click="print">打印</button>
    <div id="print-content">
      <p>葫芦娃，葫芦娃</p>
      <p>一根藤上七朵花 </p>
      <p>小小树藤是我家 啦啦啦啦 </p>
      <p>叮当当咚咚当当　浇不大</p>
      <p> 叮当当咚咚当当 是我家</p>
      <p> 啦啦啦啦</p>
      <p>...</p>
    </div>
 
    <h2>哈哈哈哈哈哈</h2>
  </div>
</template>
<script>
export default {
  data() {
    return {
      printObj: {
        id: 'print-content',
        popTitle: 'good print', // 如果不设置 默认是没有值即 undifined
      }
    }
  }
}