How to export data and Excel in Vue

When you need to export data and generate Excel files in a Vue.js application, you can use some libraries and techniques to achieve this functionality. In this article, we will introduce how to do data export in Vue.js and how to export data to an Excel file. We will use vue-json-excelthe library, which is a simple yet powerful tool for exporting JSON data to Excel files.

Step 1: Installationvue-json-excel

First, you need to install vue-json-excelthe library. It can be installed using npm or yarn:

npm install vue-json-excel --save
# 或者
yarn add vue-json-excel

Step 2: Import and register vue-json-excelcomponents

In the main file of your Vue.js application (usually main.js), import and register vue-json-excelthe component globally:

import Vue from 'vue'
import JsonExcel from 'vue-json-excel'

Vue.component('downloadExcel', JsonExcel)

Step 3: Create Vue component

Now, you can use components in your Vue components downloadExcelto implement data export. Here's a simple example:

<template>
  <div>
    <button @click="exportToExcel">导出Excel</button>
    <download-excel
      :data="exportData"
      :fields="excelFields"
      name="data.xlsx"
      class="hidden"
      ref="excel"
    ></download-excel>
  </div>
</template>

<script>
export default {
  data() {
    return {
      exportData: [
        { name: 'John', age: 30, city: 'New York' },
        { name: 'Alice', age: 25, city: 'Los Angeles' },
        { name: 'Bob', age: 35, city: 'Chicago' },
        // 添加更多数据对象
      ],
      excelFields: ['name', 'age', 'city'],
    };
  },
  methods: {
    exportToExcel() {
      // 调用 download-excel 组件的 exportData 方法
      this.$refs.excel.exportData();
    },
  },
};
</script>

In the above example, we created a Vue component containing data and Excel fields. When the user clicks the "Export Excel" button, we exportDatatrigger download-excelthe component by calling a method to export the data.

Step 4: Styling and Hide Download Button

To make the page look cleaner, we can add some CSS styles to hide download-excelthe component’s download button. Add the following styles to your CSS file:

.hidden {
    
    
  display: none;
}

This will hide the download button but still allow the user to trigger a download.

Step 5: Test the export functionality

Now, you can run your Vue.js application and test the data export functionality. When the user clicks the "Export Excel" button, it will trigger a download and generate an Excel file containing your data.

in conclusion

By using vue-json-excelthe library, you can easily implement the function of exporting data to Excel files in your Vue.js application. This is a handy tool that helps you provide a better user experience, allowing users to easily export and share data. I hope this article will be helpful to you and enable you to implement the data export function in Vue.js.