qrcode

epmet-module/gov-org/gov-org-server/pom.xml

@@ -13,6 +13,19 @@
     <packaging>jar</packaging>
 
     <dependencies>
+
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>core</artifactId>
+            <version>3.3.2</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/com.google.zxing/javase -->
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>javase</artifactId>
+            <version>3.3.2</version>
+        </dependency>
+
         <dependency>
             <groupId>com.epmet</groupId>
             <artifactId>gov-org-client</artifactId>

epmet-module/gov-org/gov-org-server/src/main/java/com/epmet/controller/AgencyController.java

@@ -17,6 +17,7 @@
 
 package com.epmet.controller;
 
+import com.alibaba.fastjson.JSONObject;
 import com.epmet.commons.rocketmq.messages.OrgOrStaffMQMsg;
 import com.epmet.commons.tools.annotation.LoginUser;
 import com.epmet.commons.tools.annotation.RequirePermission;
@@ -34,11 +35,20 @@ import com.epmet.feign.EpmetMessageOpenFeignClient;
 import com.epmet.send.SendMqMsgUtil;
 import com.epmet.service.AgencyService;
 import com.epmet.service.CustomerAgencyService;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.WriterException;
+import com.google.zxing.client.j2se.MatrixToImageWriter;
+import com.google.zxing.common.BitMatrix;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import java.io.IOException;
+import java.nio.file.FileSystems;
+import java.nio.file.Path;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -360,4 +370,48 @@ public class AgencyController {
         return new Result<List<SonOrgResultDTO>>().ok(agencyService.getSonAgencyId(orgId,type));
     }
 
+    @PostMapping("qr")
+    public void qr(){
+        try {
+            write();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (WriterException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void write() throws IOException, WriterException {
+        String filePath = "/Volumes/self";
+        String fileName = "qr.png";
+//二维码内容场景一：json数据
+        JSONObject json = new JSONObject();
+        json.put("baidu","http://www.baidu.com");//二维码一般就是存储链接
+//		json.put("author", "lzz");//还可存储值（员工工号，员工姓名，年会二维码门票）
+        String content = json.toJSONString();//json 内容
+//二维码内容场景二：直接某个超链接
+//		content="http://www.baidu.com";//直接某个超链接
+        int width = 200; // 图像宽度
+        int height = 200; // 图像高度
+        String format = "png";// 图像类型
+        Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>();
+
+        hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+        BitMatrix bitMatrix = new MultiFormatWriter().encode(content,
+                BarcodeFormat.QR_CODE, width, height, hints);// 生成矩阵
+        Path path = FileSystems.getDefault().getPath(filePath, fileName);
+        MatrixToImageWriter.writeToPath(bitMatrix, format, path);// 输出图像
+        System.out.println("输出成功.");
+    }
+
+    public static void main(String[] args) {
+        try {
+            write();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (WriterException e) {
+            e.printStackTrace();
+        }
+    }
+
 }