How to integrate HTMLDocx in Vue application to achieve document export and printing

How to integrate HTMLDocx in Vue applications to achieve document export and printing

Exporting and printing documents is a common requirement in many web applications. In Vue applications, we can easily implement this function by integrating HTMLDocx. HTMLDocx is an open source JavaScript library that allows us to convert HTML documents to Microsoft Word document (.docx) format.

This article will lead you step by step through the process of integrating HTMLDocx in a Vue application and provide corresponding code examples.

Step One: Install HTMLDocx

First, we need to install HTMLDocx as a dependency of the Vue project. Installation can be done using npm or yarn.

Use npm:

npm install htmldocx

Use yarn:

yarn add htmldocx

Step 2: Create an export function

In the component of the Vue application, we can define a Method, which converts HTML documents into .docx format and provides them for download. The following is the sample code:

// 引入HTMLDocx
import htmlDocx from 'htmldocx'

export default {
  methods: {
    exportDocument() {
      // 获取要导出的HTML内容
      const htmlContent = document.getElementById('my-document').innerHTML

      // 转换HTML为.docx格式
      const docx = htmlDocx.asBlob(htmlContent)

      // 创建一个链接元素并设置相关属性
      const link = document.createElement('a')
      link.href = URL.createObjectURL(docx)
      link.download = 'my-document.docx'

      // 模拟点击链接元素来下载.docx文件
      link.click()

      // 释放URL资源
      URL.revokeObjectURL(link.href)
    }
  }
}

In the above code, we first introduced the HTMLDocx library. Then, in the method of the Vue component, we get the HTML content to be exported and convert it to .docx format using the htmlDocx.asBlob() method. Next, we create a link element and assign the URL link to the .docx file to it using the URL.createObjectURL() method. Then, we set the download attribute of the link element to the name of the .docx file we want to export, and download the file by simulating clicking on the link element. Finally, we use the URL.revokeObjectURL() method to release the URL resource.

Step 3: Create a printing function

In addition to the export function, we can also add the function of printing documents in the Vue application. The following is sample code:

export default {
  methods: {
    printDocument() {
      // 获取要打印的HTML内容
      const htmlContent = document.getElementById('my-document').innerHTML

      // 创建一个新窗口
      const printWindow = window.open('', '', 'width=800,height=600')

      // 将HTML内容写入新窗口
      printWindow.document.open()
      printWindow.document.write(htmlContent)
      printWindow.document.close()

      // 调用新窗口的打印方法
      printWindow.print()
    }
  }
}

In the above code, we define a method to trigger the function of printing the document. First, we get the HTML content to be printed and create a new browser window. Then, we write the HTML content to the new window and call the print() method of the new window to print the document.

Step 4: Use the function in the template

Finally, in the template of the Vue component, we can use buttons or other events to trigger the export and print functions. The following is a sample code:

<template>
  <div>
    <button @click="exportDocument">导出文档</button>
    <button @click="printDocument">打印文档</button>
    <div id="my-document">
      <!-- 这里是要导出或打印的HTML内容 -->
    </div>
  </div>
</template>

In the above code, we defined two buttons in the template, which are used to export the document and print the document. When the button is clicked, the corresponding method will be triggered.

Summary

By integrating HTMLDocx, we can easily implement document export and printing functions in Vue applications. In this article, we install the HTMLDocx library and give specific code examples to show how to use HTMLDocx to convert HTML documents to .docx format, and perform export and print operations. I hope this article will help you integrate HTMLDocx in your Vue application!

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