diff --git a/src/cn/edu/hactcm/Service/impl/DormitoryServiceImpl.java b/src/cn/edu/hactcm/Service/impl/DormitoryServiceImpl.java
new file mode 100644
index 0000000..ca16f8a
--- /dev/null
+++ b/src/cn/edu/hactcm/Service/impl/DormitoryServiceImpl.java
@@ -0,0 +1,82 @@
+package com.itheima.service.impl;
+
+
+
+import com.itheima.dao.DormitoryDao;
+import com.itheima.po.Dormitory;
+import com.itheima.po.PageInfo;
+import com.itheima.service.DormitoryService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+
+/**
+ * 用户Service接口实现类
+ */
+@Service("dormitoryService")
+@Transactional
+public class DormitoryServiceImpl implements DormitoryService {
+	// classDao
+	@Autowired
+	private DormitoryDao dormitoryDao;
+
+
+	//分页查询
+	@Override
+	public PageInfo<Dormitory> findPageInfo(String a_name, Integer s_dormitoryid,String d_dormbuilding, Integer pageIndex, Integer pageSize) {
+		PageInfo<Dormitory> pi = new PageInfo<Dormitory>();
+		pi.setPageIndex(pageIndex);
+		pi.setPageSize(pageSize);
+		//获取总条数
+		Integer totalCount = dormitoryDao.totalCount(a_name,s_dormitoryid,d_dormbuilding);
+		if (totalCount>0){
+			pi.setTotalCount(totalCount);
+			//每一页显示宿舍信息数
+			//currentPage = (pageIndex-1)*pageSize  当前页码数减1*最大条数=开始行数
+		List<Dormitory> dormitoryList =	dormitoryDao.getDormitoryList(a_name,s_dormitoryid,d_dormbuilding,
+				     (pi.getPageIndex()-1)*pi.getPageSize(),pi.getPageSize());
+		  pi.setList(dormitoryList);
+		}
+		return pi;
+	}
+
+	@Override
+	public List<Dormitory> getAll(){
+		List<Dormitory> dormitoryList = dormitoryDao.getAll();
+		return dormitoryList;
+	}
+
+	//添加宿舍信息
+	@Override
+	public int addDormitory(Dormitory dormitory) {
+		return dormitoryDao.addDormitory(dormitory);
+	}
+
+	//通过id删除宿舍信息
+	@Override
+	public int deleteDormitory(Integer d_id) {
+		return dormitoryDao.deleteDormitory(d_id);
+	}
+
+	//修改宿舍信息
+	@Override
+	public int updateDormitory(Dormitory dormitory) {
+		return dormitoryDao.updateDormitory(dormitory);
+	}
+
+	@Override
+	public Dormitory findDormitoryById (Integer d_id){
+		Dormitory d = dormitoryDao.findDormitoryById(d_id);
+		return  d;
+	}
+	//查询宿舍人员信息
+	@Override
+	public List<Dormitory> findDormitoryStudent(Dormitory dormitory) {
+		List<Dormitory> d = dormitoryDao.findDormitoryStudent(dormitory);
+		return d;
+	}
+
+
+}