Andy0726
2018-01-27 15:06
byte[] d = qrData.getBytes("gd2312");
qrDate是错的,识别不了
public static void main(String[] args) throws IOException { Qrcode xQrcode = new Qrcode(); xQrcode.setQrcodeEncodeMode('B');//N代表数字,A代表a-Z,B代表其他字符 xQrcode.setQrcodeErrorCorrect('M');//纠错等级 xQrcode.setQrcodeVersion(7);//版本 String qrData = "www.imooc.com"; int width = 67 + 12 * ( 7 - 1 );//7是版本 int height = 67 + 12 * ( 7 - 1 ); BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); Graphics2D gs = bufferedImage.createGraphics(); gs.setBackground(Color.white); gs.setColor(Color.BLACK); gs.clearRect(0, 0, width, height); int pixoff = 2;//偏移量 byte[] d = qrData.getBytes("gb2312"); if(d.length>0 && d.length<120){ boolean[][] s = xQrcode.calQrcode(d); for(int i=0;i<s.length;i++){ for(int j=0;j<s.length;j++){ if(s[j][i]){ gs.fillRect(j*3+pixoff, i*3+pixoff, 3, 3); } } } } gs.dispose(); bufferedImage.flush(); ImageIO.write(bufferedImage, "png", new File("c:/image2.png")); }
public static void main(String[] args) throws IOException {
Qrcode xQrcode = new Qrcode();
xQrcode.setQrcodeEncodeMode('B');//N代表数字,A代表a-Z,B代表其他字符
xQrcode.setQrcodeErrorCorrect('M');//纠错等级
xQrcode.setQrcodeVersion(7);//版本
String qrData = "www.imooc.com";
int width = 67 + 12 * ( 7 - 1 );//7是版本
int height = 67 + 12 * ( 7 - 1 );
BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D gs = bufferedImage.createGraphics();
gs.setBackground(Color.white);
gs.setColor(Color.BLACK);
gs.clearRect(0, 0, width, height);
int pixoff = 2;//偏移量
byte[] d = qrData.getBytes("gb2312");
if(d.length>0 && d.length<120){
boolean[][] s = xQrcode.calQrcode(d);
for(int i=0;i<s.length;i++){
for(int j=0;j<s.length;j++){
if(s[j][i]){
gs.fillRect(j*3+pixoff, i*3+pixoff, 3, 3);
}
}
}
}
gs.dispose();
bufferedImage.flush();
ImageIO.write(bufferedImage, "png", new File("c:/image2.png"));
}
Java生成二维码
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