官方叫版本Version。 Version 1是21 x 21的矩阵, Version 2是 25 x 25的矩阵, Version 3是29的尺寸, 每增加一个version,就会增加4的尺寸,公式是:(V-1)*4 + 21(V是版本号) 最高Version 40,(40-1)*4+21 = 177,所以最高是177 x 177 的正方形。 二维码的原理 有的伙伴该问了,那二维码是什么原理...
当设置setQrcodeVersion为某些值时(1,2,3,4),会报错: Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 64 at com.swetake.util.Qrcode.divideDataBy8Bits(Qrcode.java:545) at com.swetake.util.Qrcode.calQrcode(Qrcode.java:438)...
x.setQrcodeErrorCorrect('M');//设置纠错等级x.setQrcodeEncodeMode('B');//设置编码格式x.setQrcodeVersion(7);//设置版本(版本有多种,感兴趣的可以去研究二维码的发展历程,这里我们选择第七版本)StringqrData="http://www.baidu.com";intwidth=67+12*(7-1);//67+12*(版本号-1)intheight=67+12...
Please note that the QR code specification requires that the QR matrix be surrounded by a quiet zone: a 4-module-wide area of light modules. Final Output The following image is a 1-Q code of HELLO WORLD, encoded in alphanumeric mode. Conclusion This concludes the QR code tutorial. In su...
H 1 001001110111110 H 2 001110011100111 H 3 001100111010000 H 4 000011101100010 H 5 000001001010101 H 6 000110100001100 H 7 000100000111011 About Version Information Strings The size of a QR code is represented by a number called the version number. Codes that are version 7 and larger must include...
QRcodeX Version 1.000 字体(字体家族名称:QRcodeX;字体样式名称:Book),共67个字符。字符分布范围:基本拉丁文,拉丁文-1补充
QRcodeX Version 1.000 font(Font family name:QRcodeX;Font style name:Regular),65 characters in total.Character distribution range:Basic Latin,Latin-1 Supplement
// Number of data codewords. numDataCodewords int }var ( versions = []qrCodeVersion{ { 1, Low, dataEncoderType1To9, []block{ { 1, 26, 19, }, }, 0, }, { 1, Medium, dataEncoderType1To9, []block{ { 1, 26, 16,
Quick Response (QR) code is widely used nowadays but its authenticity is an open issue. Attackers can easily replace the original barcode by a modified one... C Chen - 《Mobile Networks & Applications》 被引量: 1发表: 2017年 A motion blur QR code identification algorithm based on feature ...
https://link.wtturl.cn?aid=1128 =zh-Hans&scene=qrcode&jumper_version=1&target=https%3A%2F%2Fu.wechat.com%2FECDL82oEmr9dopGbCE1Q6Gs&disable_auto_expose=1&font_scale=1.15&show_more_button=1&show_loading=1 68 抢首评 7 9 发布时间:2023-04-20 20:05 ...