QrcodeDecoder() Usernewto create a decoder object. varqr=newQrcodeDecoder(); decodeFromImage(img, options) Decodes an image from url or an<img>element with asrcattribute set. qr.decodeFromImage(img).then((res)=>{console.log(res);}); ...
import java.awt.image.BufferedImage;/** * 实现QRCodeImage接口, * 设置解码的图片信息 * 核心就是告诉codeDecoder.decode()将要解析的图片类型 * * Created by shihuc on 2020/12/13.*/publicclassMyQRCodeImage implements QRCodeImage{ BufferedImage bufferedImage;publicMyQRCodeImage(BufferedImage bufferedI...
对应的,QRCodeDecoder.cs类中的相应代码也要改。这样就中英文支持了。(改为UTF8也可以) 扩展 1、修改 QRCodeEncoder.cs 跟 QRCodeDecoder.cs. 搜索一下, 將 Encoding.Unicode 替換成 Encoding.UTF8 2、修改 QRCodeUtility.cs. 將 UnicodeEncoding encoding = new UnicodeEncoding(); 改成 UTF8Encoding encodi...
File imageFile = new File(imagePath); BufferedImage bufImg = null; String content = null; try { bufImg = ImageIO.read(imageFile); QRCodeDecoder decoder = new QRCodeDecoder(); content = new String(decoder.decode(new CodeImage(bufImg)), "utf-8"); } catch (IOException e) { System....
QRCodeEncoderHandler.java package michael.qrcode; import java.awt.Color; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import java.io.File; import javax.imageio.ImageIO; import com.swetake.util.Qrcode; /** * 二维码生成器 ...
scanner qrcode in widget tree & decoder qrcode from image androidioscameraqrcodeflutterqrcode-scannerqrcode-decoderflutter-plugin UpdatedDec 6, 2023 Java This library is built to provide a solution scanner QR code. This library takes in raw images and will locate, extract and parse any QR cod...
header("Content-type: image/jpg"); // 直接输出图像流 imagejpeg($qr); } 解码二维码 下载decoder,需要使用composer去加载类。如果不想使用composer的话可以下载Zxing require_once("../Zxing/QrReader.php"); $qrcode = new QrReader('qr_logo.jpg'); ...
(QRCode) * @param input 输入流 * @return */ public String decoderQRCode(InputStream input) { BufferedImage bufImg = null; String content = null; try { bufImg = ImageIO.read(input); QRCodeDecoder decoder = new QRCodeDecoder(); content = new String(decoder.decode(new TwoDimensionCode...
publicstringQRDecoder(Imageimage) { stringstr =newQRCodeDecoder().decode(newQRCodeBitmapImage(newBitmap(image)), System.Text.Encoding.UTF8); returnstr; } 3.页面功能代码: //生成二维码 privatevoidbutton1_Click(objectsender,EventArgse) { QRCodeqrcode =newQRCode(); pictureBox1.Image=qrcode....
(3) 图像处理,使用外部SDRAM作为缓存为图像处理提供足够的空间,通过调用QR-Code解码库的get_image函数获取一帧图像。通过图像处理将图像的数据流转变为一个二进制的码流再进行数据解码。 (4) 数据解码,直接通过QR_decoder函数来解码。返回值为解码的条码个数。并将解码结果保存到decoded_buf的二维数组当中。 (5) ...