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how to generate qrcode on ror

洪梓
2023-12-01
1. In your rails project, install the plugin by following command:

./script/plugin install http://qrcode-rails.googlecode.com/svn/trunk/plugins/qrcode

2. Add javascript include tag in HTML header:

<%= javascript_include_tag :defaults %>

3. Add following funtion to where you want to generate QRCode.

<%= qrcode('http://www.google.com/', 2) %>

* The first parameter is URL
* The second optional parameter is pixel size.
4. Done!

For details, please check the QRCode project page.

Sample Code
<%= qrcode('http://www.google.com/', 8 ) %>
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