会员码接口

emall-core/src/main/java/com/emall/flash/utils/CyQrCodeUtil.java

+package com.emall.flash.utils;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.UnsupportedEncodingException;
+
+public class CyQrCodeUtil {
+    private static final Logger log = LoggerFactory.getLogger(CyQrCodeUtil.class);
+    private static final Integer QC_CODE_WIDTH = 235;
+    private static final Integer QC_CODE_HEIGHT = 235;
+
+    public CyQrCodeUtil() {
+    }
+    public static BufferedImage qRCodeCommon(String content) throws UnsupportedEncodingException {
+        Qrcode qrcode = new Qrcode();
+        qrcode.setQrcodeEncodeMode('B');
+        qrcode.setQrcodeVersion(15);
+        qrcode.setQrcodeErrorCorrect('M');
+        BufferedImage image = new BufferedImage(QC_CODE_WIDTH, QC_CODE_HEIGHT, 1);
+        Graphics2D gs = image.createGraphics();
+        gs.setBackground(Color.white);
+        gs.setColor(Color.black);
+        gs.clearRect(0, 0, QC_CODE_WIDTH, QC_CODE_HEIGHT);
+        Object var4 = null;
+
+        try {
+            byte[] codeOut = content.getBytes("utf-8");
+            boolean[][] code = qrcode.calQrcode(codeOut);
+
+            for(int i = 0; i < code.length; ++i) {
+                for(int j = 0; j < code.length; ++j) {
+                    if (code[j][i]) {
+                        gs.fillRect(j * 3 + 2, i * 3 + 2, 3, 3);
+                    }
+                }
+            }
+
+            return image;
+        } catch (Exception var8) {
+            log.error(var8.getMessage());
+            throw var8;
+        }
+    }
+}

emall-mobile-api/pom.xml

@@ -57,6 +57,12 @@
             <artifactId>geodesy</artifactId>
             <version>1.1.3</version>
         </dependency>
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>5.3.8</version>
+        </dependency>
+
     </dependencies>
 
     <build>

emall-mobile-api/src/main/java/com/emall/flash/mobile/controller/UserController.java

 package com.emall.flash.mobile.controller;
 
+import cn.hutool.core.codec.Base64Encoder;
 import com.emall.flash.bean.entity.shop.ShopUser;
 import com.emall.flash.bean.entity.system.FileInfo;
 import com.emall.flash.bean.vo.UserInfo;
@@ -10,15 +11,21 @@ import com.emall.flash.security.JwtUtil;
 import com.emall.flash.service.api.WeixinService;
 import com.emall.flash.service.shop.ShopUserService;
 import com.emall.flash.service.system.FileService;
+import com.emall.flash.utils.CyQrCodeUtil;
 import com.emall.flash.utils.MD5;
 import com.emall.flash.utils.StringUtil;
 import com.emall.flash.web.controller.BaseController;
+import com.google.protobuf.ServiceException;
+
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.imageio.ImageIO;
 import javax.servlet.http.HttpServletRequest;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
 import java.util.Map;
 
 /**
@@ -49,6 +56,11 @@ public class UserController extends BaseController {
         }
         return Rets.success(userInfo);
     }
+    @RequestMapping(value = "/update",method = RequestMethod.POST)
+    public Object update(ShopUser shopUser){
+       shopUserService.update(shopUser);
+       return Rets.success(shopUser);
+    }
     @RequestMapping(value = "/updateUserName/{userName}",method = RequestMethod.POST)
     public Object updateUserName(@PathVariable("userName") String userName){
         ShopUser user = shopUserService.getCurrentUser();
@@ -138,4 +150,25 @@ public class UserController extends BaseController {
         shopUserService.update(shopUser);
         return Rets.success(shopUser);
     }
+    // 生成会员二维码
+    @RequestMapping(value = "/setTenantId",method = RequestMethod.GET)
+    public Object getTradeScan(String id) throws ServiceException {
+        String png_base64 = null;
+        //返回二维码 并且构造支付包web支付对象
+        ByteArrayOutputStream baOp = new ByteArrayOutputStream();
+        try {
+            BufferedImage bufImg = CyQrCodeUtil.qRCodeCommon(id);
+            // 生成二维码QRCode图片
+            ImageIO.write(bufImg, "png", baOp);
+            byte[] bytes = baOp.toByteArray();//转换成字节
+            /**
+             * jdk 17 替代方案
+             */
+            png_base64 = Base64Encoder.encode(bytes).trim();
+            png_base64 = png_base64.replaceAll("\n", "").replaceAll("\r", "");//删除 \r\n
+        } catch (Exception e) {
+            throw new ServiceException("系统错误");
+        }
+       return Rets.success(png_base64);
+    }
 }