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				@@ -12,8 +12,6 @@ import com.ym.mec.common.entity.ImUserModel; 
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				 import com.ym.mec.common.page.PageInfo; 
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				 import com.ym.mec.common.page.QueryInfo; 
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				 import com.ym.mec.common.service.BaseService; 
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				-import org.apache.ibatis.annotations.Param; 
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				-import org.snaker.engine.access.Page; 
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				 import java.util.List; 
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				@@ -303,4 +301,13 @@ public interface ClassGroupService extends BaseService<Integer, ClassGroup> { 
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				      * @return 
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				      */ 
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				     List<HighClassGroupDto> findClassGroupByMusicGroupIdAndSubjectId(String musicGroupId,Integer subjectId); 
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				-} 
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				+ 
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				+    /** 
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				+     * @describe 批量更新指定班级人数 
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				+     * @author Joburgess 
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				+     * @date 2019/11/12 
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				+     * @param classGroupIds: 班级编号列表 
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				+     * @return int 
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				+     */ 
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				+    int batchUpdateClassCourseTimes(List<Integer> classGroupIds); 
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				+} 
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