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				 package com.ym.mec.biz.service.impl; 
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				+import java.io.IOException; 
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				+import java.math.BigDecimal; 
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				+import java.text.SimpleDateFormat; 
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				+import java.util.ArrayList; 
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				+import java.util.Collections; 
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				+import java.util.Date; 
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				+import java.util.HashMap; 
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				+import java.util.HashSet; 
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				+import java.util.List; 
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				+import java.util.Map; 
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				+import java.util.Set; 
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				+import java.util.stream.Collectors; 
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				+ 
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				+import org.apache.commons.lang3.StringUtils; 
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				+import org.springframework.beans.factory.annotation.Autowired; 
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				+import org.springframework.stereotype.Service; 
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				+import org.springframework.transaction.annotation.Propagation; 
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				+import org.springframework.transaction.annotation.Transactional; 
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				+import org.springframework.util.CollectionUtils; 
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				+ 
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				 import com.alibaba.fastjson.JSONObject; 
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				 import com.ym.mec.auth.api.client.SysUserFeignService; 
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				 import com.ym.mec.auth.api.entity.SysUser; 
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				 import com.ym.mec.auth.api.entity.SysUserRole; 
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				-import com.ym.mec.biz.dal.dao.*; 
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				-import com.ym.mec.biz.dal.dto.*; 
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				-import com.ym.mec.biz.dal.entity.*; 
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				+import com.ym.mec.biz.dal.dao.ChargeTypeDao; 
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				+import com.ym.mec.biz.dal.dao.ClassGroupDao; 
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				+import com.ym.mec.biz.dal.dao.ClassGroupStudentMapperDao; 
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				+import com.ym.mec.biz.dal.dao.CooperationOrganDao; 
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				+import com.ym.mec.biz.dal.dao.CourseScheduleDao; 
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				+import com.ym.mec.biz.dal.dao.CourseScheduleStudentPaymentDao; 
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				+import com.ym.mec.biz.dal.dao.CourseScheduleTeacherSalaryDao; 
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				+import com.ym.mec.biz.dal.dao.EmployeeDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupBuildLogDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupPaymentCalenderDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupPaymentEntitiesDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupPurchaseListDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupQuitDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupStudentFeeDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupSubjectGoodsGroupDao; 
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				+import com.ym.mec.biz.dal.dao.MusicGroupSubjectPlanDao; 
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				+import com.ym.mec.biz.dal.dao.OrganizationDao; 
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				+import com.ym.mec.biz.dal.dao.SchoolDao; 
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				+import com.ym.mec.biz.dal.dao.StudentPaymentOrderDao; 
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				+import com.ym.mec.biz.dal.dao.StudentPaymentOrderDetailDao; 
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				+import com.ym.mec.biz.dal.dao.StudentRegistrationDao; 
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				+import com.ym.mec.biz.dal.dao.SysConfigDao; 
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				+import com.ym.mec.biz.dal.dao.TeacherDao; 
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				+import com.ym.mec.biz.dal.dto.BasicUserDto; 
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				+import com.ym.mec.biz.dal.dto.CourseScheduleTeachersDto; 
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				+import com.ym.mec.biz.dal.dto.MusicCardDto; 
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				+import com.ym.mec.biz.dal.dto.RegisterPayDto; 
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				+import com.ym.mec.biz.dal.dto.SubFeeSettingDto; 
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				+import com.ym.mec.biz.dal.dto.SubjectRegisterDto; 
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				+import com.ym.mec.biz.dal.dto.UpdateExpectedNumDto; 
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				+import com.ym.mec.biz.dal.entity.ApprovalStatus; 
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				+import com.ym.mec.biz.dal.entity.ChargeType; 
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				+import com.ym.mec.biz.dal.entity.CourseSchedule; 
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				+import com.ym.mec.biz.dal.entity.CourseScheduleTeacherSalary; 
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				+import com.ym.mec.biz.dal.entity.Goods; 
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				+import com.ym.mec.biz.dal.entity.MusicGroup; 
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				+import com.ym.mec.biz.dal.entity.MusicGroupBuildLog; 
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				+import com.ym.mec.biz.dal.entity.MusicGroupQuit; 
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				+import com.ym.mec.biz.dal.entity.MusicGroupStudentFee; 
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				 import com.ym.mec.biz.dal.entity.MusicGroupStudentFee.PaymentStatus; 
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				-import com.ym.mec.biz.dal.enums.*; 
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				+import com.ym.mec.biz.dal.entity.MusicGroupSubjectGoodsGroup; 
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				+import com.ym.mec.biz.dal.entity.MusicGroupSubjectPlan; 
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				+import com.ym.mec.biz.dal.entity.Organization; 
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				+import com.ym.mec.biz.dal.entity.School; 
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				+import com.ym.mec.biz.dal.entity.StudentPaymentOrder; 
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				+import com.ym.mec.biz.dal.entity.StudentPaymentOrderDetail; 
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				+import com.ym.mec.biz.dal.entity.StudentRegistration; 
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				+import com.ym.mec.biz.dal.entity.SysUserCashAccount; 
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				+import com.ym.mec.biz.dal.entity.SysUserCashAccountDetail; 
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				+import com.ym.mec.biz.dal.entity.Teacher; 
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				+import com.ym.mec.biz.dal.enums.ClassGroupStudentStatusEnum; 
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				+import com.ym.mec.biz.dal.enums.ClassGroupTypeEnum; 
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				+import com.ym.mec.biz.dal.enums.CourseStatusEnum; 
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				+import com.ym.mec.biz.dal.enums.DealStatusEnum; 
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				+import com.ym.mec.biz.dal.enums.GoodsType; 
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				+import com.ym.mec.biz.dal.enums.GroupType; 
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				+import com.ym.mec.biz.dal.enums.KitGroupPurchaseTypeEnum; 
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				+import com.ym.mec.biz.dal.enums.MessageTypeEnum; 
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				+import com.ym.mec.biz.dal.enums.MusicGroupStatusEnum; 
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				+import com.ym.mec.biz.dal.enums.OrderDetailTypeEnum; 
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				+import com.ym.mec.biz.dal.enums.OrderTypeEnum; 
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				+import com.ym.mec.biz.dal.enums.PaymentStatusEnum; 
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				+import com.ym.mec.biz.dal.enums.PlatformCashAccountDetailTypeEnum; 
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				 import com.ym.mec.biz.dal.page.MusicGroupQueryInfo; 
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				-import com.ym.mec.biz.service.*; 
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				+import com.ym.mec.biz.service.ClassGroupService; 
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				+import com.ym.mec.biz.service.CourseScheduleService; 
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				+import com.ym.mec.biz.service.GoodsService; 
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				+import com.ym.mec.biz.service.MusicGroupPaymentCalenderService; 
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				+import com.ym.mec.biz.service.MusicGroupService; 
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				+import com.ym.mec.biz.service.MusicGroupSubjectGoodsGroupService; 
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				+import com.ym.mec.biz.service.MusicGroupSubjectPlanService; 
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				+import com.ym.mec.biz.service.PayService; 
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				+import com.ym.mec.biz.service.StudentPaymentOrderDetailService; 
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				+import com.ym.mec.biz.service.StudentPaymentOrderService; 
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				+import com.ym.mec.biz.service.StudentRegistrationService; 
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				+import com.ym.mec.biz.service.SysConfigService; 
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				+import com.ym.mec.biz.service.SysMessageService; 
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				+import com.ym.mec.biz.service.SysUserCashAccountDetailService; 
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				+import com.ym.mec.biz.service.SysUserCashAccountService; 
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				 import com.ym.mec.common.dal.BaseDAO; 
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				 import com.ym.mec.common.entity.ImGroupMember; 
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				+import com.ym.mec.common.entity.ImGroupModel; 
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				 import com.ym.mec.common.exception.BizException; 
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				 import com.ym.mec.common.page.PageInfo; 
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				 import com.ym.mec.common.service.IdGeneratorService; 
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				 import com.ym.mec.common.service.impl.BaseServiceImpl; 
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				+import com.ym.mec.im.ImFeignService; 
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				 import com.ym.mec.thirdparty.message.MessageSenderPluginContext.MessageSender; 
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				 import com.ym.mec.util.collection.MapUtil; 
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				 import com.ym.mec.util.date.DateUtil; 
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				 import com.ym.mec.util.http.HttpUtil; 
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				-import org.apache.commons.lang3.StringUtils; 
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				-import org.springframework.beans.factory.annotation.Autowired; 
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				-import org.springframework.http.HttpStatus; 
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				-import org.springframework.stereotype.Service; 
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				-import org.springframework.transaction.annotation.Propagation; 
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				-import org.springframework.transaction.annotation.Transactional; 
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				- 
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				-import java.io.IOException; 
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				-import java.math.BigDecimal; 
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				-import java.text.SimpleDateFormat; 
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				-import java.util.*; 
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				-import java.util.stream.Collectors; 
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				- 
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				 @Service 
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				 public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> implements MusicGroupService { 
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				@@ -97,6 +179,9 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i 
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				     @Autowired 
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				     private CourseScheduleTeacherSalaryDao courseScheduleTeacherSalaryDao; 
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				+     
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				+    @Autowired 
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				+    private CourseScheduleStudentPaymentDao courseScheduleStudentPaymentDao; 
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				     @Autowired 
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				     private CooperationOrganDao cooperationOrganDao; 
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				@@ -137,6 +222,9 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i 
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				     @Autowired 
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				     private GoodsService goodsService; 
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				+    @Autowired 
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				+    private ImFeignService imFeignService; 
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				+     
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				     private SimpleDateFormat sdf_ymd = new SimpleDateFormat("yyyy-MM-dd"); 
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				     private SimpleDateFormat sdf_hms=new SimpleDateFormat("HH:mm:ss"); 
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				@@ -936,14 +1024,32 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i 
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				 			//更新学员在班级的状态 
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				 			classGroupStudentMapperDao.deleteStudentByMusicGroupId(musicGroupId, userId); 
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				-			//更新班级人数 
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				 			List<Integer> classGroupIdList = classGroupStudentMapperDao.queryClassGroupIdList(musicGroupId, userId, GroupType.MUSIC); 
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				 			if (classGroupIdList != null && classGroupIdList.size() > 0) { 
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				+				//更新班级人数 
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				 				classGroupDao.batchUpdateStudentNumMinusOne(classGroupIdList); 
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				+ 
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				+				//删除融云群 
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				+				List<ImGroupModel> imGroupModels = new ArrayList<ImGroupModel>(); 
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				+				for (Integer classGroupId : classGroupIdList) { 
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				+					imGroupModels.add(new ImGroupModel(classGroupId + "")); 
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				+				} 
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				+				imFeignService.groupBatchDismiss(imGroupModels); 
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				+			} 
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				+			 
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				+			List<CourseSchedule> musicGroupCourseSchedules = courseScheduleDao.findMusicGroupCourseSchedulesWithStudent(musicGroupId,GroupType.MUSIC.getCode(), CourseStatusEnum.NOT_START.getCode(),userId); 
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				+			if(!CollectionUtils.isEmpty(musicGroupCourseSchedules)){ 
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				+				List<Long> courseScheduleIds = musicGroupCourseSchedules.stream().map(courseSchedule -> courseSchedule.getId()).collect(Collectors.toList()); 
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				+ 
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				+				// 删除未上课 
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				+	            courseScheduleDao.deleteMusicGroupCourseSchedulesWithStudent(courseScheduleIds,userId); 
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				+				 
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				+				//删除学生缴费表 
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				+	            courseScheduleStudentPaymentDao.deleteByCourseSchedule(courseScheduleIds); 
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				 			} 
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				-			// 删除未上课 
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				-			courseScheduleService.batchDeleteMusicGroupCourseWithStudent(musicGroupId, userId, GroupType.MUSIC); 
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				+			//删除续费周期 
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				+			musicGroupStudentFeeDao.deleteByUserIdAndMusicGroupId(userId, musicGroupId); 
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				 			// 退团 
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				 			studentRegistration.setMusicGroupStatus(ClassGroupStudentStatusEnum.QUIT); 
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