高质量技术免费分享

https://blog.csdn.net/everyonetimeismoney/article/details/94412711

Java生成

http://wallimn.iteye.com/blog/2071020

<dependency>     <groupId>com.google.zxing</groupId>     <artifactId>core</artifactId>     <version>3.3.0</version> </dependency>

<dependency>     <groupId>com.google.zxing</groupId>     <artifactId>javase</artifactId>     <version>3.3.0</version> </dependency>