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Package qrcode
Short Description Endroid QrCode for ThinkAdmin
License MIT
Homepage https://github.com/zoujingli/qrcode
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Informations about the package qrcode
二维码工具 QrCode
二维码工具zoujingli/qrcode是fork自endroid/qr-code进行修改来，最低支持php7.1版本；
详细文档见原仓库：https://github.com/endroid/qr-code
为满足在
PHP7运行需求，对原仓库进行如下修改：
- 修改代码语法最低可在
PHP7.1上运行；- 原仓库的开源协议不变，未增加额外功能代码；
- 目前已测试
PHP环境有PHP7.1PHP7.2PHP7.4；- 去除原仓库的部分测试代码及字体文件，优化安装包体积；
常规配置如下，更多参数使用请阅读其官方文档。
Usage: using the builder
Usage: without using the builder
Usage: working with results
Writer options
Encoding
If you use a barcode scanner you can have some troubles while reading the
generated QR codes. Depending on the encoding you chose you will have an extra
amount of data corresponding to the ECI block. Some barcode scanner are not
programmed to interpret this block of information. To ensure a maximum
compatibility you can use the ISO-8859-1 encoding that is the default
encoding used by barcode scanners (if your character set supports it,
i.e. no Chinese characters are present).
Round block size mode
By default block sizes are rounded to guarantee sharp images and improve readability. However some other rounding variants are available.
margin (default): the size of the QR code is shrunk if necessary but the size of the final image remains unchanged due to additional margin being added.enlarge: the size of the QR code and the final image are enlarged when rounding differences occur.shrink: the size of the QR code and the final image are shrunk when rounding differences occur.none: No rounding. This mode can be used when blocks don't need to be rounded to pixels (for instance SVG).
Readability
The readability of a QR code is primarily determined by the size, the input
length, the error correction level and any possible logo over the image, so you
can tweak these parameters if you are looking for optimal results. You can also
check $qrCode->getRoundBlockSize() value to see if block dimensions are rounded
so that the image is more sharp and readable. Please note that rounding block
size can result in additional padding to compensate for the rounding difference.
And finally the encoding (default UTF-8 to support large character sets) can be
set to ISO-8859-1 if possible to improve readability.
Validating the generated QR code
If you need to be extra sure the QR code you generated is readable and contains the exact data you requested you can enable the validation reader, which is disabled by default. You can do this either via the builder or directly on any writer that supports validation. See the examples above.
Please note that validation affects performance so only use it in case of problems.
Symfony integration
The endroid/qr-code-bundle integrates the QR code library in Symfony for an even better experience.
- Configure your defaults (like image size, default writer etc.)
- Support for multiple configurations and injection via aliases
- Generate QR codes for defined configurations via URL like /qr-code/
/Hello - Generate QR codes or URLs directly from Twig using dedicated functions
Read the bundle documentation for more information.
Versioning
Version numbers follow the MAJOR.MINOR.PATCH scheme. Backwards compatibility breaking changes will be kept to a minimum but be aware that these can occur. Lock your dependencies for production and test your code when upgrading.
License
This bundle is under the MIT license. For the full copyright and license information please view the LICENSE file that was distributed with this source code.
