php小例子，此例可在页面内添加数据，上传到后台数据库中，然后可以在客户端导出为excel格式。可以用于简单的收集数据的网站。-php small example, in this case can be added to the page within the data uploaded to the back-end database, which can then be exported to excel format on the client side. Can be used for

BS系统中常用的Grid数据保存为Excel文档的例子，可以直接使用。-BS system Grid data is saved as an Excel document example, can be used directly.