菜单删除后台修改业务逻辑

skyeye-dao/src/main/java/com/skyeye/authority/dao/SysEveMenuDao.java

@@ -23,4 +23,6 @@ public interface SysEveMenuDao {
 
 	public List<Map<String, Object>> queryTreeSysMenuMationBySimpleLevel(Map<String, Object> map) throws Exception;
 
+	public Map<String, Object> queryUseThisMenuRoleById(Map<String, Object> map) throws Exception;
+
 }

skyeye-service/src/main/java/com/skyeye/authority/service/impl/SysEveMenuServiceImpl.java

@@ -157,10 +157,22 @@ public class SysEveMenuServiceImpl implements SysEveMenuService{
 	@Override
 	public void deleteSysMenuMationById(InputObject inputObject, OutputObject outputObject) throws Exception {
 		Map<String, Object> map = inputObject.getParams();
-		//删除子菜单
-		sysEveMenuDao.deleteSysMenuChildMationById(map);
-		//删除自身菜单
-		sysEveMenuDao.deleteSysMenuMationById(map);
+		Map<String, Object> menuBean = sysEveMenuDao.queryUseThisMenuRoleById(map);
+		if(menuBean == null){
+			//删除子菜单
+			sysEveMenuDao.deleteSysMenuChildMationById(map);
+			//删除自身菜单
+			sysEveMenuDao.deleteSysMenuMationById(map);
+		}else{
+			if(Integer.parseInt(menuBean.get("roleNum").toString()) == 0){//该菜单没有角色使用
+				//删除子菜单
+				sysEveMenuDao.deleteSysMenuChildMationById(map);
+				//删除自身菜单
+				sysEveMenuDao.deleteSysMenuMationById(map);
+			}else{
+				outputObject.setreturnMessage("该菜单正在被一个或多个角色使用，无法删除。");
+			}
+		}
 	}
 	
 	/**

skyeye-web/src/main/resources/dbmapper/SysEveMenuMapper.xml

@@ -109,6 +109,14 @@
 		WHERE id = #{id}
 	</update>
 	
+	<select id="queryUseThisMenuRoleById" parameterType="java.util.Map" resultType="java.util.Map">
+		SELECT 
+			COUNT(*) roleNum
+		FROM 
+			sys_eve_role_menu d 
+		WHERE d.menu_id = #{id}
+	</select>
+	
 	<delete id="deleteSysMenuChildMationById" parameterType="java.util.Map">
 		DELETE
 		FROM