Want to make currency exchange program for my project in oop

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only problem is that i want it to be completely practical....for that i want to change the currency everyday without manually entering it because currency changes almost every day...is there any way i can do it?

What I have tried:

i have complete program bt i cant think of any solution for this?

Posted 11-Dec-16 19:11pm

Member 12899279

Updated 11-Dec-16 21:33pm

OriginalGriff

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Jochen Arndt · Answer 1 · 2016-12-11T21:33:00

Solution 1

There are services in the web providing the data. A web research for "currency exchange api" should help.

An example is the free Foreign exchange rates and currency conversion JSON API[^].

The above uses the rates published by the European Central Bank which can be also downloaded in PDF, CSV, and XML format at Euro foreign exchange reference rates[^]. To use these, download the CSV or XML file daily using a C++ internet class and parse the file.

Other national banks should provide similar information.

Posted 11-Dec-16 21:33pm

Jochen Arndt

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Member 12899279 12-Dec-16 4:31am

thanks for the help but is there any way i can use it in de vcpp that has minwg32?i have only basic knowlege of classes functions constructor destructor etc...i dont know these terms api etc i have got the concept of what you have said but dont understand how to implement it in dev cpp mingw32 compiler

Jochen Arndt 12-Dec-16 5:03am

There are C/C++ libraries providing functions to download files or the content of web pages (e.g. cpp-netlib, libcurl, curlpp, urdl, boost::asio, poco).

While these are simpler to use than writing similar code yourself, they still require some C/C++ knowledge.

There might be also no ready-to-use builds for usage with mingw which requires building them from the sources. So using GCC on Linux or VisualStudio on Windows might be a better choice (with Windows there is an API - Application Programming Interface - to access the web and with Linux most of the above libraries are provided by distributions so that they can be installed by a single command).

Once you have retrieved the data, parsing it is the simplest task.

I don't know of a simple ready to use solution. So you have to learn about using libraries and what specific libraries are doing.

Member 12899279 22-Dec-16 7:44am

Thanks for your kind help

CPallini 12-Dec-16 4:55am

5.

Member 12899279 12-Dec-16 9:08am

Thanks for the help really appreciate it (Y)