废话不多说了,直接给大家贴js代码了,具体代码如下所示: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8
问题描述 android系统pos机采用serialport串口操作打印机,打印出来的二维码不是正方形的 Bitmap bitmap = Create2DCode("测试二维码"); int bmWidth = bitmap.getWidth(); int bmHeight = bitmap.getHeight(); byte[] data = new byte[]{0x00}; Color prefix = new Color(); int prefixint; /* * Set l