批量创建打印的二维码，透明的小程序二维码

ch-dao/src/main/java/com/wwdz/ch/db/dao/ItemTagQrCodeDao.java

 package com.wwdz.ch.db.dao;
 
 import com.wwdz.ch.db.domain.ItemTagQrCode;
+import com.wwdz.ch.db.dto.request.ItemTagQrCodeRequestDto;
+
+import java.util.List;
 
 public interface ItemTagQrCodeDao {
 
@@ -11,10 +14,11 @@ public interface ItemTagQrCodeDao {
      */
     long insert(ItemTagQrCode itemTagQrCode);
 
-
     boolean update(ItemTagQrCode itemTagQrCode);
 
     boolean updateByPrimaryKey(ItemTagQrCode itemTagQrCode);
 
     ItemTagQrCode findByCode(String code);
+
+    List<ItemTagQrCode> findByPage(ItemTagQrCodeRequestDto dto);
 }

ch-dao/src/main/java/com/wwdz/ch/db/dto/request/ItemTagQrCodeRequestDto.java

@@ -7,7 +7,7 @@ import java.util.Date;
 import java.util.List;
 
 @Data
-public class ItemTagQrCodeRequestDto implements Entity {
+public class ItemTagQrCodeRequestDto extends BaseRequestDto implements Entity {
 
     private Long userId;
 

ch-dao/src/main/java/com/wwdz/ch/db/impl/ItemTagQrCodeDaoImpl.java

 package com.wwdz.ch.db.impl;
 
+import com.github.pagehelper.PageHelper;
 import com.wwdz.ch.db.dao.ItemTagQrCodeDao;
 import com.wwdz.ch.db.domain.ItemTagQrCode;
 import com.wwdz.ch.db.domain.ItemTagQrCodeExample;
+import com.wwdz.ch.db.dto.request.ItemTagQrCodeRequestDto;
 import com.wwdz.ch.db.mapper.ItemTagQrCodeMapper;
+import com.xxdxxs.db.component.JdbcHelper;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 
 @Repository
 public class ItemTagQrCodeDaoImpl implements ItemTagQrCodeDao {
@@ -40,4 +45,17 @@ public class ItemTagQrCodeDaoImpl implements ItemTagQrCodeDao {
         criteria.andCodeEqualTo(code);
         return itemTagQrCodeMapper.selectOneByExample(example);
     }
+
+
+    @Override
+    public List<ItemTagQrCode> findByPage(ItemTagQrCodeRequestDto dto) {
+        ItemTagQrCodeExample example = new ItemTagQrCodeExample();
+        ItemTagQrCodeExample.Criteria criteria = example.createCriteria();
+        JdbcHelper.ifPresent(dto.getCode(), criteria :: andCodeEqualTo);
+        JdbcHelper.ifPresent(dto.getCategoryId(), criteria :: andCategoryIdEqualTo);
+        JdbcHelper.ifPresent(dto.getId(), criteria :: andIdGreaterThanOrEqualTo);
+        example.setOrderByClause("id ASC");
+        PageHelper.startPage(dto.getPage(), dto.getLimit());
+        return itemTagQrCodeMapper.selectByExample(example);
+    }
 }

ch-wx-api/src/main/java/com/wwdz/ch/wx/impl/ItemTagQrCodeServiceImpl.java

@@ -10,6 +10,7 @@ import com.wwdz.ch.core.entity.SupplierItemVo;
 import com.wwdz.ch.core.storage.QiniuStorage;
 import com.wwdz.ch.core.type.Result;
 import com.wwdz.ch.core.util.*;
+import com.wwdz.ch.core.util.UUID;
 import com.wwdz.ch.db.dao.CategoryDao;
 import com.wwdz.ch.db.dao.ItemTagQrCodeDao;
 import com.wwdz.ch.db.dao.distribution.SupplierItemDao;
@@ -31,12 +32,15 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
+import java.io.IOException;
 import java.io.InputStream;
 import java.math.BigDecimal;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.*;
 import java.util.stream.IntStream;
 import java.util.stream.Stream;
 
@@ -174,4 +178,34 @@ public class ItemTagQrCodeServiceImpl implements ItemTagQrCodeService {
         }
         return Result.failed();
     }
+
+
+    @Override
+    public Result downloadQRCode(ItemTagQrCodeRequestDto dto) {
+        try {
+            List<ItemTagQrCode> itemTagQrCodeList = itemTagQrCodeDao.findByPage(dto);
+            String destinationFolder = "/Users/xxdxxs/Desktop/" + dto.getCategoryName();
+            int i = 1;
+            for (ItemTagQrCode itemTagQrCode : itemTagQrCodeList) {
+                String imageUrl = itemTagQrCode.getQrCode();
+                String fileName = itemTagQrCode.getCategoryName() + i + "." + MediaTypeEnum.IMAGE_PNG.getExt();
+                downloadImage(imageUrl, destinationFolder, fileName);
+                i++;
+            }
+            return Result.success();
+        } catch (Exception e) {
+            logger.error("下载上传的标签二维码{}", e);
+        }
+        return Result.failed();
+    }
+
+
+    public static void downloadImage(String imageUrl, String destinationFolder, String fileName) throws IOException {
+        URL url = new URL(imageUrl);
+        try (InputStream in = url.openStream()) {
+            Path destinationPath = Paths.get(destinationFolder, fileName);
+            Files.copy(in, destinationPath, StandardCopyOption.REPLACE_EXISTING);
+        }
+    }
+
 }

ch-wx-api/src/main/java/com/wwdz/ch/wx/service/ItemTagQrCodeService.java

@@ -27,4 +27,6 @@ public interface ItemTagQrCodeService {
      * @return
      */
     Result bindItem(ItemTagQrCodeRequestDto dto);
+
+    Result downloadQRCode(ItemTagQrCodeRequestDto dto);
 }

ch-wx-api/src/test/java/com/wwdz/ch/wx/api/WxPayServiceTest.java

@@ -89,12 +89,12 @@ public class WxPayServiceTest {
 
     @Test
     public void refund() {
-        List<String> list = Arrays.asList("DA2411192041343155076");
+        List<String> list = Arrays.asList("DA2411291619274673652");
         list.forEach(orderId ->{
             DistributionOrderRequestDto dto = new DistributionOrderRequestDto();
             dto.setDistributionOrderId(orderId);
-            dto.setAmount("24.9");
-            dto.setRefundPrice("24.9");
+            dto.setAmount("94.8");
+            dto.setRefundPrice("94.8");
             Result result = wxPayServiceApi.refund(dto);
             logger.info("申请微信支付退款:{}", result);
         });