标签:git bst span false cti const function ack word
参考: https://github.com/whomwah/rqrcode
1. gem ‘rqrcode‘
2. 在helper中:
require ‘base64‘
def generate_qr_code string
qr_code = RQRCode::QRCode.new string
png = qr_code.as_png(
resize_gte_to: false,
resize_exactly_to: false,
fill: ‘white‘,
color: ‘black‘,
size: 180,
border_modules: 0,
module_px_size: 0,
file: nil # path to write
).to_s
Base64.encode64 png
return "data:image/png;base64,#{Base64.encode64(png)}"
end
3、views页面
<%= image_tag generate_qr_code(‘http://baidu.com‘)%>
标签:git bst span false cti const function ack word
原文地址:https://www.cnblogs.com/lv-books/p/11593901.html