更新

unimall-admin-api/src/main/java/com/iotechn/unimall/admin/api/card/impl/CardManagementInfoServiceImpl.java

@@ -2,6 +2,8 @@ package com.iotechn.unimall.admin.api.card.impl;
 
 import java.util.List;
 
+import com.iotechn.unimall.core.util.GeneratorUtil;
+import com.iotechn.unimall.data.util.QRCodeUtil;
 import org.apache.ibatis.session.RowBounds;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -28,7 +30,9 @@ import org.springframework.transaction.annotation.Transactional;
 public class CardManagementInfoServiceImpl implements ICardManagementInfoService{
 	@Autowired
 	private CardManagementInfoMapper cardManagementInfoMapper;
-	
+
+	@Autowired
+	private QRCodeUtil qrCodeUtil;
 	@Override
 	public Boolean add(CardManagementInfo cardManagementInfo,Long adminId) throws ServiceException {
 		Date now = new Date();
@@ -40,6 +44,8 @@ public class CardManagementInfoServiceImpl implements ICardManagementInfoService
 
 	@Override
 	public Page<CardManagementInfo> list(Long commonId,String cardBusiness,String name,String post,String companyName,String location,String detailedAddress,String phone,String headSculpture,String qrCode,Date gmtCreate,Date gmtUpdate,Long deleteFlag, Integer page, Integer limit)throws ServiceException {
+		String str = qrCodeUtil.getQRCodeImage("id=xxx二维码字符串", false, "名字", GeneratorUtil.genUUId());
+		System.out.println(str);
 		Wrapper<CardManagementInfo> wrapper = new EntityWrapper<CardManagementInfo>();
 														if (!StringUtils.isEmpty(commonId)) {
 					wrapper.eq("common_id", commonId);

unimall-data/pom.xml

@@ -18,6 +18,7 @@
 		<druid.version>1.1.14</druid.version>
 		<oshi.version>3.9.1</oshi.version>
 		<velocity.version>1.7</velocity.version>
+		<zxing.version>3.4.0</zxing.version>
 	</properties>
 
 	<dependencies>
@@ -122,6 +123,30 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+
+		<!--二维码依赖-->
+		<dependency>
+			<groupId>com.google.zxing</groupId>
+			<artifactId>core</artifactId>
+			<version>${zxing.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>com.google.zxing</groupId>
+			<artifactId>javase</artifactId>
+			<version>${zxing.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-test</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-test</artifactId>
+		</dependency>
 	</dependencies>
 
 </project>

unimall-data/src/main/java/com/iotechn/unimall/data/util/QRCodeUtil.java

@@ -0,0 +1,314 @@
+package com.iotechn.unimall.data.util;
+
+import com.aliyun.oss.OSSClient;
+import com.aliyun.oss.model.ObjectMetadata;
+import com.aliyun.oss.model.PutObjectRequest;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.client.j2se.MatrixToImageWriter;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+import lombok.Getter;
+import lombok.SneakyThrows;
+import org.apache.http.entity.ContentType;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.stereotype.Component;
+import org.springframework.util.StringUtils;
+import org.springframework.web.multipart.MultipartFile;
+import sun.font.FontDesignMetrics;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.font.FontRenderContext;
+import java.awt.font.LineMetrics;
+import java.awt.geom.RoundRectangle2D;
+import java.awt.image.BufferedImage;
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.FileSystems;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.Properties;
+
+/**
+ * @Author:chengchangjiang
+ * @Description: 二维码Util类
+ * @Date:Created in 9:38 2021-09-03
+ */
+@Component
+public class QRCodeUtil implements InitializingBean {
+
+    @Value("${oss.aliyun.oss.basekUrl}")
+    private String baseUrl;
+    @Value("${oss.aliyun.oss.bucket}")
+    private String bucket;
+    @Autowired
+    private OSSClient ossClient;
+    @Value("${oss.aliyun.oss.endpoint}")
+    private String endpoint;
+
+    private String host;
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        host = "http://" + bucket + "." + endpoint;
+    }
+
+    /***
+     * 生成二维码图片并上传OSS
+     * @param text 二维码内容
+     * @param width 宽度
+     * @param height 高度
+     * @param type 类型
+     * @param name 图片名字
+     * @return
+     */
+    public  String generateQRCodeImage(String text, int width, int height,String type,String name){
+        try {
+            QRCodeWriter qrCodeWriter = new QRCodeWriter();
+            Hashtable<EncodeHintType, Object> hints = new Hashtable();
+            hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+            BitMatrix bitMatrix = qrCodeWriter.encode(type+"="+text, BarcodeFormat.QR_CODE, width, height,hints);
+
+            File file = new File( new String(("templates" + File.separator + name+".png").getBytes(StandardCharsets.UTF_8), StandardCharsets.UTF_8));
+            if(!file.exists()){
+                boolean flag = file.mkdirs();
+            }
+            Path path = FileSystems.getDefault().getPath(file.getAbsoluteFile().getPath());
+
+            MatrixToImageWriter.writeToPath(bitMatrix, "PNG", path);
+
+            FileInputStream fileInputStream = new FileInputStream(file.getAbsoluteFile());
+
+            MultipartFile multipartFile = new MockMultipartFile( ContentType.APPLICATION_OCTET_STREAM.toString(), fileInputStream);
+            String result = upload(multipartFile,name);
+            file.delete();
+            return result;
+        }
+        catch (Exception e){
+            System.out.println("二维码异常："+e.toString());
+            return "error";
+        }
+    }
+    /**
+     * 后台通过服务器间接传文件
+     * @param file
+     * @return
+     * @throws IOException
+     */
+    public  String upload(MultipartFile file, String sendCarNo) throws IOException {
+        ObjectMetadata objectMetadata = new ObjectMetadata();
+        objectMetadata.setContentLength(file.getSize());
+        objectMetadata.setContentType(file.getContentType());
+        PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, "QRCode/" +sendCarNo+".png", file.getInputStream(), objectMetadata);
+        ossClient.putObject(putObjectRequest);
+        return baseUrl + "QRCode/" + sendCarNo+".png";
+    }
+
+    private static final int QRCODE_SIZE = 320; // 二维码尺寸，宽度和高度均是320
+    private static final String FORMAT_TYPE = "PNG"; // 二维码图片类型
+
+
+//    //1、生成带logo和底部文字得二维码
+//    @SneakyThrows
+//    @GetMapping("/getQrCode1")
+//    public void getQrCode1(HttpServletResponse response) {
+//        ServletOutputStream os = response.getOutputStream();
+//        BufferedImage bufferedImage = QRCodeUtil.getQRCodeImage("test", "底部文字");
+//        response.setContentType("image/png");
+//        ImageIO.write(bufferedImage,"png",os);
+//    }
+//    //2、生成不带logo和底部文字得二维码
+//    @SneakyThrows
+//    @GetMapping("/getQrCode2")
+//    public void getQrCode2(HttpServletResponse response) {
+//        ServletOutputStream os = response.getOutputStream();
+//        BufferedImage bufferedImage = QRCodeUtil.getQRCodeImage("test", false);
+//        response.setContentType("image/png");
+//        ImageIO.write(bufferedImage,"png",os);
+//    }
+//    //3、生成默认带logo不带底部文字得二维码
+//    @SneakyThrows
+//    @GetMapping("/getQrCode3")
+//    public void getQrCode3(HttpServletResponse response) {
+//        ServletOutputStream os = response.getOutputStream();
+//        BufferedImage bufferedImage = QRCodeUtil.generateQRCodeImage("test");
+//        response.setContentType("image/png");
+//        ImageIO.write(bufferedImage,"png",os);
+//    }
+//    //3、生成不带logo带底部文字得二维码
+//    @SneakyThrows
+//    public  getQrCode3(HttpServletResponse response) {
+//        ServletOutputStream os = response.getOutputStream();
+//        BufferedImage bufferedImage = QRCodeUtil.getQRCodeImage("test",false,
+//                "底部文字");
+//        response.setContentType("image/png");
+//        ImageIO.write(bufferedImage,"png",os);
+//    }
+
+
+    /**
+     * 获取二维码图片
+     *
+     * @param dataStr    二维码内容
+     * @param needLogo   是否需要添加logo
+     * @param bottomText 底部文字       为空则不显示
+     * @return
+     */
+    @SneakyThrows
+    public String getQRCodeImage(String dataStr, boolean needLogo, String bottomText ,String name) {
+        if (dataStr == null) {
+            throw new RuntimeException("未包含任何信息");
+        }
+        HashMap<EncodeHintType, Object> hints = new HashMap<>();
+        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");    //定义内容字符集的编码
+        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);        //定义纠错等级
+        hints.put(EncodeHintType.MARGIN, 1);
+        QRCodeWriter qrCodeWriter = new QRCodeWriter();
+        BitMatrix bitMatrix = qrCodeWriter.encode(dataStr, BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE, hints);
+
+        int width = bitMatrix.getWidth();
+        int height = bitMatrix.getHeight();
+        int tempHeight = height;
+        if (StringUtils.hasText(bottomText)) {
+            tempHeight = tempHeight + 12;
+        }
+        BufferedImage image = new BufferedImage(width, tempHeight, BufferedImage.TYPE_INT_RGB);
+        for (int x = 0; x < width; x++) {
+            for (int y = 0; y < height; y++) {
+                image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
+            }
+        }
+        // 判断是否添加logo
+        if (needLogo) {
+            insertLogoImage(image);
+        }
+        // 判断是否添加底部文字
+        if (StringUtils.hasText(bottomText)) {
+            addFontImage(image, bottomText);
+        }
+
+        File file = new File( new String(("templates" + File.separator + name+".png").getBytes(StandardCharsets.UTF_8), StandardCharsets.UTF_8));
+        if(!file.exists()){
+            boolean flag = file.mkdirs();
+        }
+        Path path = FileSystems.getDefault().getPath(file.getAbsoluteFile().getPath());
+
+//        ByteArrayOutputStream out = new ByteArrayOutputStream();
+//        ImageIO.write(image,"png",path);
+//        MatrixToImageWriter.writeToPath(bitMatrix, "PNG", path);
+
+        //创建一个ByteArrayOutputStream
+        ByteArrayOutputStream os = new ByteArrayOutputStream();
+        //把BufferedImage写入ByteArrayOutputStream
+        ImageIO.write(image, "png", os);
+        //ByteArrayOutputStream转成InputStream
+        InputStream input = new ByteArrayInputStream(os.toByteArray());
+        //InputStream转成MultipartFile
+        MultipartFile multipartFile =new MockMultipartFile("file", "file.jpg", "text/plain", input);
+
+//        FileInputStream fileInputStream = new FileInputStream(file.getAbsoluteFile());
+//        MultipartFile multipartFile = new MockMultipartFile( ContentType.APPLICATION_OCTET_STREAM.toString(), fileInputStream);
+        String result = upload(multipartFile,name);
+        file.delete();
+        return result;
+    }
+
+    /**
+     * 插入logo图片
+     *
+     * @param source 二维码图片
+     * @throws Exception
+     */
+    private static void insertLogoImage(BufferedImage source) throws Exception {
+        // 默认logo放于resource/static/image目录下
+        ClassPathResource classPathResource = new ClassPathResource("static/image/logo.png");
+        InputStream inputStream = classPathResource.getInputStream();
+        if (inputStream == null || inputStream.available() == 0) {
+            return;
+        }
+        Image src = ImageIO.read(inputStream);
+        int width = 30;
+        int height = 30;
+
+        Image image = src.getScaledInstance(width, height, Image.SCALE_SMOOTH);
+        BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+        Graphics g = tag.getGraphics();
+        g.drawImage(image, 0, 0, null); // 绘制缩小后的图
+        g.dispose();
+        src = image;
+
+        // 插入LOGO
+        Graphics2D graph = source.createGraphics();
+        int x = (QRCODE_SIZE - width) / 2;
+        int y = (QRCODE_SIZE - height) / 2;
+        graph.drawImage(src, x, y, width, height, null);
+        Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6);
+        graph.setStroke(new BasicStroke(3f));
+        graph.draw(shape);
+        graph.dispose();
+    }
+
+    private static void addFontImage(BufferedImage source, String declareText) {
+        //生成image
+        int defineWidth = QRCODE_SIZE;
+        int defineHeight = 20;
+        BufferedImage textImage = new BufferedImage(defineWidth, defineHeight, BufferedImage.TYPE_INT_RGB);
+        Graphics2D g2 = (Graphics2D) textImage.getGraphics();
+        //开启文字抗锯齿
+        g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,   RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+        g2.setBackground(Color.WHITE);
+        g2.clearRect(0, 0, defineWidth, defineHeight);
+        g2.setPaint(Color.BLACK);
+        FontRenderContext context = g2.getFontRenderContext();
+        String font_cn = getChineseFont();
+        //部署linux需要注意 linux无此字体会显示方块
+        Font font = new Font("宋体", Font.BOLD, 18);
+
+        g2.setFont(font);
+        LineMetrics lineMetrics = font.getLineMetrics(declareText, context);
+        FontMetrics fontMetrics = FontDesignMetrics.getMetrics(font);
+        float offset = (defineWidth - fontMetrics.stringWidth(declareText)) / 2;
+        float y = (defineHeight + lineMetrics.getAscent() - lineMetrics.getDescent() - lineMetrics.getLeading()) / 2;
+        g2.drawString(declareText, (int) offset, (int) y);
+
+        Graphics2D graph = source.createGraphics();
+        //开启文字抗锯齿
+        graph.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,   RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+        //添加image
+        int width = textImage.getWidth(null);
+        int height = textImage.getHeight(null);
+
+        Image src = textImage;
+        graph.drawImage(src, 0, QRCODE_SIZE - 8, width, height, Color.WHITE, null);
+        graph.dispose();
+    }
+    /**
+     * 获取中文字体位置
+     *
+     * @return
+     * @author xxj 2017年4月28日
+     */
+    private static String getChineseFont() {
+
+        //宋体（对应css中的 属性 font-family: SimSun; /*宋体*/）
+        String font1 = "templates" + File.separator + "msyh.ttc";
+//        String font1 = "templates" + File.separator + "simsun.ttf";
+        //判断系统类型，加载字体文件
+        Properties prop = System.getProperties();
+        String osName = prop.getProperty("os.name").toLowerCase();
+        System.out.println(osName);
+        if (osName.indexOf("linux") > -1) {
+            font1 = "/usr/share/fonts/chinese/simsun.ttc";
+        }
+        else{
+            font1 = "宋体";
+        }
+        return font1;
+    }
+}