feat:1.新增区间时，不能与这条线路线别其他区间有里程交集

jeecg-boot-base-core/src/main/java/org/jeecg/common/exception/JeecgBootException.java

@@ -7,17 +7,19 @@ package org.jeecg.common.exception;
 public class JeecgBootException extends RuntimeException {
     private static final long serialVersionUID = 1L;
 
-	public JeecgBootException(String message){
+    public JeecgBootException(String message) {
         super(message);
     }
 
-	public JeecgBootException(Throwable cause)
-	{
+    public static JeecgBootException error(String message) {
+        return new JeecgBootException(message);
+    }
+
+    public JeecgBootException(Throwable cause) {
         super(cause);
     }
 
-	public JeecgBootException(String message,Throwable cause)
-	{
-		super(message,cause);
+    public JeecgBootException(String message, Throwable cause) {
+        super(message, cause);
     }
 }

jeecg-module-system/src/main/java/org/jeecg/modules/subwayNetwork/service/impl/SubwaySectionServiceImpl.java

@@ -9,6 +9,7 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.apache.shiro.SecurityUtils;
 import org.jeecg.common.api.dto.PageSearch;
+import org.jeecg.common.exception.JeecgBootException;
 import org.jeecg.common.system.vo.LoginUser;
 import org.jeecg.modules.subwayNetwork.dto.SubwaySectionEditDTO;
 import org.jeecg.modules.subwayNetwork.dto.SubwaySectionQueryDTO;
@@ -38,8 +39,6 @@ import java.util.List;
  */
 @Service
 public class SubwaySectionServiceImpl extends ServiceImpl<SubwaySectionMapper, SubwaySection> implements ISubwaySectionService {
-
-
     @Resource
     private LightRailMapper lightRailMapper;
 
@@ -55,6 +54,25 @@ public class SubwaySectionServiceImpl extends ServiceImpl<SubwaySectionMapper, S
         TrainStation startTrainStation = trainStationMapper.selectById(dto.getStartTrainStationId());
         TrainStation endTrainStation = trainStationMapper.selectById(dto.getEndTrainStationId());
 
+        // 1.1 起点里程 一定要大于始点里程
+        if (startTrainStation.getCenterMileage().compareTo(endTrainStation.getCenterMileage()) > 0) {
+            throw JeecgBootException.error("选中站点开始里程要小于结束里程");
+        }
+
+        // 1.2. 验证这条线路,线别区间是否有交集验证表达式: (start1 < end2) AND (end1 > start2);
+        SubwaySection existOne = this.lambdaQuery()
+                .eq(SubwaySection::getLightRailId, dto.getLightRailId())
+                .eq(SubwaySection::getLineAliasId, dto.getLineAliasId())
+                .lt(SubwaySection::getSectionStartingMileage, endTrainStation.getEndMileage())
+                .gt(SubwaySection::getSectionEndMileage, startTrainStation.getCenterMileage())
+                .last("limit 1")
+                .one();
+        if (ObjectUtil.isNotEmpty(existOne)) {
+            throw JeecgBootException.error("和区间 " + existOne.getSectionName() + "有里程交集;" +
+                    "你选中的站点里程范围【" + startTrainStation.getEndMileage() + "~" + endTrainStation.getEndMileage() + "】;" +
+                    "冲突区间名称:" + existOne.getSectionName() + ",里程范围【" + existOne.getSectionStartingMileage() + "~" + existOne.getSectionEndMileage() + "】");
+        }
+
 
         // 2.设置区间信息
         SubwaySection subwaySection = BeanUtil.copyProperties(dto, SubwaySection.class);