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>