请我需要知道如何将参数从Delphi应用程序发送到PHP页面，然后PHP会对这些参数进行一些计算并将结果再次返回给Delphi？
One of straight-forward ways in REST pattern (http://en.wikipedia.org/wiki/REST) would be:
Getting JSON data from a website using Delphi How to send/receive JSON? 1) Your Delphi client gets the page, passing all the parameters as HTTP GET or HTTP POST.
http://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol#Request_methods How are parameters sent in an HTTP POST request?
What's the simplest way to call Http GET url using Delphi?
What's the simplest way to call Http POST url using Delphi? Synapse Delphi HTTPS SSL GET Request using any library you wish. Some choices (not complete list) include:
WinInet (Windows system library) http://msdn.microsoft.com Internet Component Suite http://OverByte.be Internet Direct http://indyproject.org Synapse http://synapse.ararat.cz URL Grabber from JediVCL http://jVCL.sf.net parts of mORMot framework http://synopse.info et cetera
2) your PHP server gets those parameters and generates JSON page with the results
How to generate json using php? - and all the links to manuals and tutorials there 3) your Delphi client getting the page via HTTP, then parses JSON and works with the resulting variables
Some libraries to parse JSON are
SuperObject Delphi / SuperObject - Accessing Subnodes and SuperObject - Extract All and other superobject questions parts of mORMot framework http://synopse.info Using DB Express in Delphi Enterprise https://stackoverflow.com/search?q=delphi+TJSONObject 4) do with the received data what you want to do
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http://www.djcxy.com/p/41340.html
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