From c078390a7398946e88d9ef7446bb2b5562ce77a2 Mon Sep 17 00:00:00 2001
From: ZhuDongming <773644075@qq.com>
Date: Wed, 12 Jun 2019 14:28:14 +0800
Subject: [PATCH] 增加返回溯源第二个点的service实现

---
 src/main/java/com/moral/service/impl/DeviceServiceImpl.java |   53 +++++++++++++++++++++++++++--------------------------
 1 files changed, 27 insertions(+), 26 deletions(-)

diff --git a/src/main/java/com/moral/service/impl/DeviceServiceImpl.java b/src/main/java/com/moral/service/impl/DeviceServiceImpl.java
index ee1e59e..3b3539d 100644
--- a/src/main/java/com/moral/service/impl/DeviceServiceImpl.java
+++ b/src/main/java/com/moral/service/impl/DeviceServiceImpl.java
@@ -1,24 +1,5 @@
 package com.moral.service.impl;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-
-import javax.annotation.Resource;
-import javax.validation.constraints.NotNull;
-
-import org.apache.commons.collections.MapUtils;
-import org.apache.commons.lang3.BooleanUtils;
-import org.apache.commons.lang3.StringUtils;
-import org.apache.log4j.Logger;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-import org.springframework.util.ObjectUtils;
-
 import com.alibaba.fastjson.TypeReference;
 import com.github.pagehelper.Page;
 import com.github.pagehelper.PageHelper;
@@ -31,16 +12,22 @@
 import com.moral.common.util.ValidateUtil;
 import com.moral.entity.Device;
 import com.moral.entity.DeviceProperty;
-import com.moral.mapper.DeviceMapper;
-import com.moral.mapper.DevicePropertyMapper;
-import com.moral.mapper.DeviceVersionMapper;
-import com.moral.mapper.DictionaryDataMapper;
-import com.moral.mapper.MonitorPointMapper;
-import com.moral.mapper.OrganizationMapper;
+import com.moral.mapper.*;
 import com.moral.service.AccountService;
 import com.moral.service.DeviceService;
-
+import org.apache.commons.collections.MapUtils;
+import org.apache.commons.lang3.BooleanUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.log4j.Logger;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.ObjectUtils;
 import tk.mybatis.mapper.entity.Example;
+
+import javax.annotation.Resource;
+import javax.validation.constraints.NotNull;
+import java.util.*;
+import java.util.stream.Collectors;
 
 @Service
 public class DeviceServiceImpl implements DeviceService {
@@ -610,4 +597,18 @@
 		return deviceMapper.getLimitDataByDevice(parameters);
 	}
 
+	//������������������������������mac���������������������������������������������
+	@Override
+	public Device getDeviceByLongitudeAsc(String mac) {
+		Example example = new Example(Device.class);
+		example.setOrderByClause("longitude ASC");
+		List<Device> deviceList=deviceMapper.selectByExample(example);
+		for(int i=0;i<deviceList.size();i++){
+			if(mac.equals(deviceList.get(i).getMac())){
+				Device deviceSecond=deviceList.get(i+1);
+				return deviceSecond;
+			}
+		}
+		return null;
+	}
 }

--
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