PHP生成二维码库phpqrcode_PHP教程

Description

PHP QR Code is open source (LGPL) library for generating QR Code, 2-dimensional barcode. Based on libqrencode C library, provides API for creating QR Code barcode images (PNG, JPEG thanks to GD2). Implemented purely in PHP.

Features

• Supports QR Code versions (size) 1-40
• Numeric, Alphanumeric, 8-bit and Kanji encoding.
• Implemented purely in PHP, no external dependencies except GD2
• Exports to PNG, JPEG images, also exports as bit-table
• TCPDF 2-D barcode API integration
• Easy to configure
• Data cache for calculation speed-up
• Debug data dump, error logging, time benchmarking
• Provided merge tool helps deploy library as a one file
• new! API documentation
• new! Over 30 detailed examples
• 100% Open Source, LGPL Licensed

Demo

-86,10 +86,15- =ImageCreate( * , * - ImageCopyResized(, , 0, 0, 0, 0, * , * , , + + = (('IMAGE_WIDTH') ? IMAGE_WIDTH : * + = (('IMAGE_HEIGHT') ? IMAGE_HEIGHT : * + + =ImageCreate(, + + ImageCopyResized(, , 0, 0, 0, 0, , , , - of + }

用法，设置生成的二维码宽高为 500px

<span define</span>('IMAGE_WIDTH', 500<span );
</span><span define</span>('IMAGE_HEIGHT', 500<span );
QRcode</span>::png('http://www.cnblogs.com/toby/)');