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				@@ -2,7 +2,7 @@ package com.ym.mec.biz.service.impl; 
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				 import com.ym.mec.biz.dal.dao.*; 
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				 import com.ym.mec.biz.dal.enums.GroupType; 
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				-import com.ym.mec.biz.service.GroupService; 
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				+import com.ym.mec.biz.service.GroupClassService; 
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				 import org.springframework.beans.factory.annotation.Autowired; 
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				 import org.springframework.stereotype.Service; 
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				@@ -11,7 +11,7 @@ import org.springframework.stereotype.Service; 
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				  * @Date 2020/2/17 
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				  */ 
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				 @Service 
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				-public class GroupServiceImpl implements GroupService { 
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				+public class GroupClassServiceImpl implements GroupClassService { 
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				     @Autowired 
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				     private GroupDao groupDao; 
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