Web 应用程序 - 生物识别系统连接
我将为俱乐部开发一个应用程序，让访客使用生物识别系统（指纹）或磁卡来标记他们的出勤情况。
该应用程序计划作为一个网络应用程序，使用 PHP/MySQL/Javascript 制作。它还可以做很多其他事情。
我想知道的是生物识别/磁卡系统与网络应用程序之间的接口是如何完成的？
我从来没有从事过这方面的工作，希望有这方面经验的人能够阐明如何实现这一点。任何指示将不胜感激。
此外，我们将远程托管该应用程序。所以我们无法物理访问网络服务器。
（恐怕必须在 PC 上安装某种形式的应用程序来与硬件交互，并可能调用 Web 应用程序。但是，如果有一种方法可以将其直接连接到 Web 应用程序，那么应用程序可以轻松部署到任何位置，只需最少的安装。）
谢谢！ :)
I will be developing an application for a club where they will have visitors use biometric systems(finger print) or magnetic cards to mark their attendance.
This application is planned as a web app, made using PHP/MySQL/Javascript. It does a lot of other things as well.
What I wanted to find out is how is the interface between Biometric/Megnetic Card systems to a web app done?
I've never worked on this and am hoping if someone who has experience with this can throw some light on this as to how this could be accomplished. Any pointers will be appreciated.
Also, we will be hosting this application remotely. So we won't have physical access to the web-server.
(I'm afraid there's got to be some form of application installed on a pc that would interface with the hardware and probably makes calls to the web app. But, if there was a way to connect it to the web app directly, then the app would be easy to deploy to any location with minimal installation.)
Thanks! :)
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硬件是如何连接的？直接连接到应用程序服务器，还是连接到某种独立的盒子？如果它是一个独立的盒子，那么是的，你必须在盒子上安装某种程序来收集数据并将其发送到网络应用程序。如果它直接连接到应用程序服务器，那么您需要编写一些东西来轮询硬件或从驱动程序和 DTRT wrt Web 应用程序接收消息/事件。
How is the hardware connected? Directly to the app server, or to a standalone box of some sort? If it's a standalone box, then yes you'll have to have some kind of program on the box collect the data and send it to the web app. If it's connected directly to the app server, then you need to write something that either polls the hardware or receives messages/events from the driver and DTRT wrt the web app.
生物识别机器支持三种类型的通信通道。它们是串行、TCP/IP 和 HTTP。对于您的情况，您需要实现 TCP/IP 或 HTTP。
如果您的应用程序正在 Intranet 上运行，那么您可以实现 TCP/IP 服务器应用程序并托管在 Intranet 系统上，该系统预计将写入生物识别应用程序和 Web 应用程序之间的公共数据库中。
如果您的应用程序托管在服务器上，那么您可以实现 http 服务器并将 URL 与计算机相关联。为此，您需要购买支持 http api 的机器。这是Google 搜索链接用于查找此类机器。
There three type of communication channels are supported by the biometric machines. They are serial, TCP/IP and HTTP. In your case, you either need to implement TCP/IP or HTTP.
If your application is running the intranet, then you can implement the TCP/IP server application and host at a intranet system which is expected to write in a common database between the biometric application and your web-app.
If your application is hosted at the server, then you can implement the http server and associated the URL with the machine. For this you need buy the http api supported machines. Here is the google search link for finding such machines.