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54 lines
1.3 KiB
Markdown
54 lines
1.3 KiB
Markdown
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## node-hk-fps
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A Nodejs module that help to generate QR code content string of the Hong Kong Faster Payment System.
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## Installation
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Install with npm
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```
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npm install node-fps-hk
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```
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and in your code
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```javascript
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var fps = require('node-fps-hk')
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```
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## Usage
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```javascript
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//import module
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var fps = require('node-fps-hk')
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// set custom variables
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fps.setMerchantID("0000001");
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fps.setBillNumber("0002");
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fps.setStoreLabel("0003");
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fps.setLoyaltyNumber("0004");
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fps.setCustomerLabel("0005");
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fps.setTerminalLabel("0006");
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fps.setPurposeOfTransaction("0007");
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fps.setMobileNumber("12345678");
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fps.setTransactionAmount("5000");
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fps.setReferenceLabel("ABCD");
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//generate qr content string
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var qrContent = fps.generate();
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```
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## Example
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```
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cd ./example
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npm install
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node index.js
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```
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visit `http://localhost:8080`
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## License
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[MIT](https://github.com/ryanchanplc/node-fps-hk/blob/master/LICENSE)
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## Useful Links
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Please find the specification of the QR Code used in FPS at:
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[https://fps.hkicl.com.hk/eng/fps/merchants/qr_code.php](https://fps.hkicl.com.hk/eng/fps/merchants/qr_code.php)
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The QR Code content string used in FPS contains the **CRC16 CCITT** check sum.
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Please find more details at: [http://www.sunshine2k.de/articles/coding/crc/understanding_crc.html](http://www.sunshine2k.de/articles/coding/crc/understanding_crc.html) |