<dependency>
  <groupId>org.iherus</groupId>
  <artifactId>qrext4j</artifactId>
  <version>1.3.1</version>
</dependency>

v1.3.0：

1.修正已知bug
2.添加几种内置码眼样式

v1.3.1：

1.修正已知bug
2.添加圆形logo

String content = "https://baike.baidu.com/item/%E5%97%B7%E5%A4%A7%E5%96%B5/19817560?fr=aladdin";

new SimpleQrcodeGenerator().generate(content).toFile("F:\\AodaCat_default.png");

OutputStream out = null;

try {
    out = new FileOutputStream("F:\\AodaCat_default.png");
    new SimpleQrcodeGenerator().generate(content).toStream(out);
    
} finally {
    IOUtils.closeQuietly(out);
}

String content = "https://baike.baidu.com/item/%E5%97%B7%E5%A4%A7%E5%96%B5/19817560?fr=aladdin";

new SimpleQrcodeGenerator().setLogo("F:\\AodaCat-1.png").generate(content).toFile("F:\\AodaCat_local_logo.png");

String content = "https://www.apple.com/cn/";
		
String logoUrl = "http://www.demlution.com/site_media/media/photos/2014/11/06/3JmYoueyyxS4q4FcxcavgJ.jpg";
		
new SimpleQrcodeGenerator().setRemoteLogo(logoUrl).generate(content).toFile("F:\\Apple_remote_logo.png");

QrcodeConfig config = new QrcodeConfig()
		.setBorderSize(2)
		.setPadding(10)
		.setMasterColor("#00BFFF")
		.setLogoBorderColor("#B0C4DE");

String content = "https://baike.baidu.com/item/%E5%97%B7%E5%A4%A7%E5%96%B5/19817560?fr=aladdin";

new SimpleQrcodeGenerator(config).setLogo("F:\\AodaCat-1.png").generate(content).toFile("F:\\AodaCat_custom.png");

QrcodeConfig config = new QrcodeConfig()
		.setBorderSize(2)
	        .setPadding(10)
		.setMasterColor("#778899")
		.setLogoBorderColor("#B0C4DE")
		.setCodeEyesPointColor("#BC8F8F")
		.setCodeEyesFormat(QreyesFormat.DR2_BORDER_C_POINT);

String content = "https://baike.baidu.com/item/%E5%97%B7%E5%A4%A7%E5%96%B5/19817560?fr=aladdin";

new SimpleQrcodeGenerator(config).setLogo("F:\\AodaCat-1.png").generate(content).toFile("F:\\AodaCat_custom.png");

QrcodeConfig config = new QrcodeConfig()
	        .setMasterColor("#5F9EA0")
	        .setLogoBorderColor("#FFA07A")
	        .setLogoShape(LogoShape.CIRCLE);
String content = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
new SimpleQrcodeGenerator(config).setLogo("F:\\pig.png").generate(content).toFile("F:\\qrcode-circle.png");