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table-export-zip

v1.0.1

Published

打包下载分割的表格

Downloads

7

Readme

table-export-zip

打包下载分割的表格,分批次获取 json 数据并转换成 csv,最终打包成一个压缩包,建议根据业务进行二次封装

Install

$ npm i -S table-export-zip

Usage

import TableExportZip from 'table-export-zip';

// 实例化
let app = new TableExportZip({
	zipFileName: 'fileName',
	processCallback: () => {
		console.log('下载开始');
	},
	doneCallback: () => {
		console.log('下载结束');
	},
	addFiles: (zip, done, { CSVToJSON, JSONtoCSV }) => {
		// zip:jszip的实例
		// done:结束的回调
		// CSVToJSON:csv转json的工具
		// JSONtoCSV:json转csv的工具

		// 测试接口
		let apiUrl = 'https://jsonplaceholder.typicode.com/posts?userId=';

		// 准备待请求的Promise列表
		let prArr = [];
		for (let index = 0; index < 10; index++) {
			prArr.push(fetch(apiUrl + index).then(data => data.json()));
		}

		// 开始并行请求
		Promise.all(prArr).then(result => {
			result.forEach((item, index) => {
				// json 转 csv,第一个参数为数据,第二参数为表头字段
				const csvData = JSONtoCSV(result, ['userId', 'id', 'title', 'body']);
				// 添加 csv 文件,可定义文件名
				zip.file(`fileName${index + 1}.csv`, csvData);
			});
			// 触发结束回调
			done();
		});
	}
});

// 触发下载
app.download();

Related

  • jszip - Create, read and edit .zip files with Javascript
  • FileSaver.js - An HTML5 saveAs() FileSaver implementation

License

MIT © Harvey Zack