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				@@ -157,9 +157,13 @@ public class ExamRegistrationServiceImpl extends BaseServiceImpl<Long, ExamRegis 
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				             List<Integer> subjectIds = dataList.stream().map(ExamRegistration::getSubjectId).collect(Collectors.toList()); 
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				             Map<Integer, String> subjectIdNameMap = this.getMap("subject", "id_", "name_", subjectIds, Integer.class, String.class); 
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				+ 
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				+            List<Integer> studentIds = dataList.stream().map(ExamRegistration::getStudentId).collect(Collectors.toList()); 
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				+            Map<Integer, String> idPhotoMap = this.getMap("student", "user_id_", "certificate_photo_", studentIds, Integer.class, String.class); 
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				             for (ExamRegistration examRegistration : dataList) { 
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				                 examRegistration.setOrganization(new Organization(examRegistration.getOrganId(), organIdNameMap.get(examRegistration.getOrganId()))); 
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				                 examRegistration.getSubject().setName(subjectIdNameMap.get(examRegistration.getSubjectId())); 
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				+                examRegistration.getSysUser().setCertificatePhoto(idPhotoMap.get(examRegistration.getSubjectId())); 
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				                 examRegistration.setExaminationBasic(new ExaminationBasic(examRegistration.getExaminationBasicId(), examIdNameMap.get(examRegistration.getExaminationBasicId()))); 
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				             } 
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				         } 
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