配种计划导出更新

zhyc-module/src/main/java/com/zhyc/module/produce/breed/controller/ScBreedPlanGenerateController.java

@@ -94,6 +94,12 @@ public class ScBreedPlanGenerateController extends BaseController
                             : obj instanceof Long ? (Long) obj : Long.valueOf(obj.toString()))
                     .collect(Collectors.toList());
 
+            // eweIds 和 ramIds 均为空时，直接导出只含表头的空白模板，不查数据库（避免 IN () 语法错误）
+            if (eweIds.isEmpty() && ramIds.isEmpty()) {
+                scBreedPlanGenerateService.exportEmptyPairTemplate(response);
+                return;
+            }
+
             scBreedPlanGenerateService.exportSelectedPairs(response, eweIds, ramIds);
         } catch (Exception e) {
             logger.error("导出配对表失败", e);

zhyc-module/src/main/java/com/zhyc/module/produce/breed/service/IScBreedPlanGenerateService.java

@@ -140,4 +140,6 @@ public interface IScBreedPlanGenerateService
      * @return 耳号列表
      */
     public List<String> searchEarNumbers(String query);
+
+    void exportEmptyPairTemplate(HttpServletResponse response);
 }

zhyc-module/src/main/java/com/zhyc/module/produce/breed/service/impl/ScBreedPlanGenerateServiceImpl.java

@@ -1,10 +1,6 @@
 package com.zhyc.module.produce.breed.service.impl;
 
-import java.util.List;
+import java.util.*;
-import java.util.Map;
-import java.util.HashMap;
-import java.util.ArrayList;
-import java.util.Date;
 import java.text.SimpleDateFormat;
 import java.io.IOException;
 import java.io.InputStream;
@@ -83,6 +79,11 @@ public class ScBreedPlanGenerateServiceImpl implements IScBreedPlanGenerateServi
         return scBreedPlanGenerateMapper.selectEligibleRam(sheepFile);
     }
 
+    public void exportEmptyPairTemplate(HttpServletResponse response) {
+        // 和 exportSelectedPairs 传空 List 一样的逻辑，
+        // 只写表头行，不写数据行
+        exportSelectedPairs(response, Collections.emptyList(), Collections.emptyList());
+    }
     /**
      * 导出已选母羊公羊配对表
      * 按轮询方式将母羊分配给公羊，导出Excel，两列：母羊耳号、公羊耳号
@@ -95,20 +96,24 @@ public class ScBreedPlanGenerateServiceImpl implements IScBreedPlanGenerateServi
     public void exportSelectedPairs(HttpServletResponse response, List<Long> eweIds, List<Long> ramIds)
     {
         try {
-            // 查询母羊耳号（gender=1）
-            List<Map<String, Object>> eweList = scBreedPlanGenerateMapper.selectEarNumbersByIds(eweIds, 1);
-            // 查询公羊耳号（gender=2）
-            List<Map<String, Object>> ramList = scBreedPlanGenerateMapper.selectEarNumbersByIds(ramIds, 2);
-
             // 建立ID->耳号 的快速查找
+            // ✅ 修复代码：检查后再查询
             Map<Long, String> eweEarMap = new HashMap<>();
+            Map<Long, String> ramEarMap = new HashMap<>();
+
+            if (!eweIds.isEmpty()) {
+                List<Map<String, Object>> eweList = scBreedPlanGenerateMapper.selectEarNumbersByIds(eweIds, 1);
                 for (Map<String, Object> e : eweList) {
                     eweEarMap.put(Long.valueOf(e.get("id").toString()), e.get("manage_tags").toString());
                 }
-            Map<Long, String> ramEarMap = new HashMap<>();
+            }
+
+            if (!ramIds.isEmpty()) {
+                List<Map<String, Object>> ramList = scBreedPlanGenerateMapper.selectEarNumbersByIds(ramIds, 2);
                 for (Map<String, Object> r : ramList) {
                     ramEarMap.put(Long.valueOf(r.get("id").toString()), r.get("manage_tags").toString());
                 }
+            }
 
             // 母羊列、公羊列各自独立写入，行数取两者最大值，不做轮询配对
             Workbook workbook = new XSSFWorkbook();
@@ -169,10 +174,10 @@ public class ScBreedPlanGenerateServiceImpl implements IScBreedPlanGenerateServi
             sheet.setColumnWidth(1, 5000);
 
             // 响应头
-            response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+            response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8");
-            response.setCharacterEncoding("utf-8");
+            response.setCharacterEncoding("UTF-8");
-            String fileName = java.net.URLEncoder.encode("配种配对表", "UTF-8").replaceAll("\\+", "%20");
+            String fileName = "配种配对表.xlsx";
-            response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
+            response.setHeader("Content-Disposition", "attachment;filename=\"" + fileName + "\"");
 
             workbook.write(response.getOutputStream());
             workbook.close();
@@ -681,10 +686,10 @@ public class ScBreedPlanGenerateServiceImpl implements IScBreedPlanGenerateServi
                 if (sheet.getColumnWidth(i) < 2000) sheet.setColumnWidth(i, 2000);
             }
 
-            response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+            response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8");
-            response.setCharacterEncoding("utf-8");
+            response.setCharacterEncoding("UTF-8");
-            String fileName = java.net.URLEncoder.encode(planGenerate.getPlanName() + "_配种计划详情", "UTF-8").replaceAll("\\+", "%20");
+            String fileName = planGenerate.getPlanName() + "_配种计划详情.xlsx";
-            response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
+            response.setHeader("Content-Disposition", "attachment;filename=\"" + fileName + "\"");
 
             workbook.write(response.getOutputStream());
             workbook.close();

zhyc-module/src/main/resources/mapper/produce/breed/ScBreedPlanGenerateMapper.xml

@@ -354,10 +354,12 @@
         FROM bas_sheep
         WHERE gender = #{gender}
         AND is_delete = 0
+        <if test="ids != null and ids.size() > 0">
             AND id IN
             <foreach item="id" collection="ids" open="(" separator="," close=")">
                 #{id}
             </foreach>
+        </if>
     </select>
 
     <!--