Java uses zxing to generate QR code bar code

• Java

1、 Add the Maven dependency of zxing, or download the zxing jar package

This example uses zxing3 Version 2.0

Maven dependency:

Download address http://pan.baidu.com/s/1gdH7PzP

Note: this example uses 3.2 NiO. 0 version of Java 7 has been used The old version of Java IO also supports, but the method is marked as expired.

2、 Example code

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