ylbtech-SubwayNav(地铁线路导航)-数据库设计
ylbtech-DatabaseDesgin:ylbtech-SubwayNav(地铁线路导航)-数据库设计 |
DatabaseName:SubwayNav(地铁线路导航)
Type:线路导航
1.A,数据库关系图(Database Diagram) |
1.B,数据库设计脚本(Database Design Script) |
1.B.1,SubwayNav.sql 第一版
View Code
-- ============================================= -- ylb:地铁线路导航系统 -- author:YUANBO -- pubdate:22:02 2013/3/31 -- ============================================= USE master GO -- Drop the database if it already exists IF EXISTS ( SELECT name FROM sys.databases WHERE name = N'SubwayNav' ) DROP DATABASE SubwayNav GO CREATE DATABASE SubwayNav GO use SubwayNav go -- ============================================= -- ylb:1,线路图 -- ============================================= create table Line ( lineId int primary key, lineName varchar(100) ) go -- ============================================= -- ylb:2,站点表 -- ============================================= create table Station ( stationId int primary key identity(1,1), stationName varchar(100), lineId int, flagTransfer bit default(0) --是否为换乘车站 1:是;0:不是 ) go -- ============================================= -- ylb:3,换乘站点表 -- ============================================= create table TransferSite ( stationId int, lineId int, lineId2 int ) go -- ============================================= -- ylb:3,算法思想 -- 1,先判断站点(起始点|目的地)是否存在。 -- 2,(存在)返回站点所在的线路 -- 3,若在同一条线上,则计算俩站相隔的站数。 -- 3.2,不再同一条线路,则找两站的交集(即换乘站点,相同的站点), -- 3.3,交集一个,则分别计算交集点到出发和目的的站数,并相加在一起。 -- ============================================= --插入测试数据 --insert into Line(lineId,lineName) values(,'') insert into Line(lineId,lineName) values(1,'1号线') insert into Line(lineId,lineName) values(5,'5号线') insert into Line(lineId,lineName) values(10,'10号线') --向1号线 插入测试站点数据 --insert into Station(stationName,lineId) values('',) insert into Station(stationName,lineId) values('苹果园',1) insert into Station(stationName,lineId) values('王府井',1) insert into Station(stationName,lineId,flagTransfer) values('东单',1,1) insert into Station(stationName,lineId,flagTransfer) values('国贸',1,1) insert into Station(stationName,lineId) values('四惠东',1) --向5号线 插入测试站点数据 --insert into Station(stationName,lineId) values('',) insert into Station(stationName,lineId) values('天通苑北',5) insert into Station(stationName,lineId) values('慧新西街南口',5) insert into Station(stationName,lineId) values('东四',5) insert into Station(stationName,lineId,flagTransfer) values('东单',5,1) insert into Station(stationName,lineId) values('宋家庄',5) --向10号线 插入测试站点数据 --insert into Station(stationName,lineId) values('',) insert into Station(stationName,lineId) values('巴沟',10) insert into Station(stationName,lineId) values('北土城',10) insert into Station(stationName,lineId,flagTransfer) values('慧新西街南口',10,1) insert into Station(stationName,lineId,flagTransfer) values('国贸',10,1) insert into Station(stationName,lineId) values('劲松',10) --insert into TransferSite(stationId,lineId,lineId2) values(,,) --insert into TransferSite(stationId,lineId,lineId2) values(1,5,3) --insert into TransferSite(stationId,lineId,lineId2) values(1,10,14) --insert into TransferSite(stationId,lineId,lineId2) values(5,10,) select * from Station
1.B.2,SubwayNav.sql 第二版【On】
View Code
-- ============================================= -- ylb:地铁线路导航系统 -- author:YUANBO -- pubdate:22:02 2013/3/31 -- ============================================= USE master GO -- Drop the database if it already exists IF EXISTS ( SELECT name FROM sysdatabases WHERE name = N'SubwayNav' ) DROP DATABASE SubwayNav GO CREATE DATABASE SubwayNav GO use SubwayNav go -- ============================================= -- ylb:1,线路图 -- ============================================= create table Line ( lineId int primary key, lineName varchar(100) ) go -- ============================================= -- ylb:2,站点表 -- ============================================= create table Station ( stationId int primary key identity(1,1), stationName varchar(100), flagTransfer int default(0) --是否为换乘车站 1:是;0:不是 ) go -- ============================================= -- ylb:3,换乘站点表 -- ============================================= create table TransferSite ( stationId int, lineId int ) go -- ============================================= -- ylb:4,线路详细列表 -- ============================================= create table LineDetail ( stationId int, lineId int, orderNum int --顺序大小,以顺时针开始的起始站点 ) --drop table LineDetail go -- ============================================= -- ylb:3,算法思想 -- 1,先判断站点(起始点|目的地)是否存在。 -- 2,(存在)返回站点所在的线路 -- 3,若在同一条线上,则计算俩站相隔的站数。 -- 3.2,不再同一条线路,则找两站的交集(即换乘站点,相同的站点), -- 3.3,交集一个,则分别计算交集点到出发和目的的站数,并相加在一起。 -- ============================================= --插入测试数据 --insert into Line(lineId,lineName) values(,'') insert into Line(lineId,lineName) values(1,'1号线') insert into Line(lineId,lineName) values(5,'5号线') insert into Line(lineId,lineName) values(10,'10号线') --向1号线 插入测试站点数据 --insert into Station(stationName) values('',) insert into Station(stationName) values('苹果园') insert into Station(stationName) values('王府井') insert into Station(stationName,flagTransfer) values('东单',1) insert into Station(stationName,flagTransfer) values('国贸',1) insert into Station(stationName) values('四惠东') --向5号线 插入测试站点数据 --insert into Station(stationName) values('',) insert into Station(stationName) values('天通苑北') insert into Station(stationName,flagTransfer) values('慧新西街南口',1) insert into Station(stationName) values('东四') --insert into Station(stationName,flagTransfer) values('东单',1) insert into Station(stationName) values('宋家庄') --向10号线 插入测试站点数据 --insert into Station(stationName) values('',) insert into Station(stationName) values('巴沟') insert into Station(stationName) values('北土城') insert into Station(stationName) values('劲松') --insert into TransferSite(stationId,lineId,lineId2) values(,) --向1号线 insert into TransferSite(stationId,lineId) values(1,1) insert into TransferSite(stationId,lineId) values(2,1) insert into TransferSite(stationId,lineId) values(3,1) insert into TransferSite(stationId,lineId) values(4,1) insert into TransferSite(stationId,lineId) values(5,1) --向5号线 insert into TransferSite(stationId,lineId) values(6,5) insert into TransferSite(stationId,lineId) values(7,5) insert into TransferSite(stationId,lineId) values(8,5) insert into TransferSite(stationId,lineId) values(3,5) insert into TransferSite(stationId,lineId) values(9,5) --向10号线 insert into TransferSite(stationId,lineId) values(10,10) insert into TransferSite(stationId,lineId) values(11,10) insert into TransferSite(stationId,lineId) values(7,10) insert into TransferSite(stationId,lineId) values(4,10) insert into TransferSite(stationId,lineId) values(12,10) select * from Station go --insert into LineDetail(stationId,lineId,orderNum) values(,,) --向1号线 insert into LineDetail(stationId,lineId,orderNum) values(1,1,1) insert into LineDetail(stationId,lineId,orderNum) values(2,1,2) insert into LineDetail(stationId,lineId,orderNum) values(3,1,3) insert into LineDetail(stationId,lineId,orderNum) values(4,1,4) insert into LineDetail(stationId,lineId,orderNum) values(5,1,5) --向5号线 insert into LineDetail(stationId,lineId,orderNum) values(6,5,1) insert into LineDetail(stationId,lineId,orderNum) values(7,5,2) insert into LineDetail(stationId,lineId,orderNum) values(8,5,3) insert into LineDetail(stationId,lineId,orderNum) values(3,5,4) insert into LineDetail(stationId,lineId,orderNum) values(9,5,5) --向10号线 insert into LineDetail(stationId,lineId,orderNum) values(10,10,1) insert into LineDetail(stationId,lineId,orderNum) values(11,10,2) insert into LineDetail(stationId,lineId,orderNum) values(7,10,3) insert into LineDetail(stationId,lineId,orderNum) values(4,10,4) insert into LineDetail(stationId,lineId,orderNum) values(12,10,5) select * from Station s inner join LineDetail ld on s.stationId=ld.stationId where lineId=1 order by orderNum asc select * from Station where stationId not in(select stationId from LineDetail where lineId=0)
1.B.3,SubwayNav-Searching.sql
View Code
use SubwayNav go go -- ============================================= -- ylb-search:1,起始点和目的地在同一条线上 -- ============================================= go --1,判断站点是否存在 --苹果园--》东单 --1.1.1 select * from Station where stationName='苹果园' --retrun station=1 --1.1.2 select * from Station where stationName='%苹果园%' --retrun station=3 --1.2 --统计俩站点的站点数量(除去本站点) select * from LineDetail where stationId=1 and lineId=1 --retrun orderNum=1 select * from LineDetail where stationId=3 and lineId=1 --retrun orderNum=3 select count(*)'amount' from LineDetail where orderNum>1 and orderNum<=3 and lineId=1 select * from LineDetail where lineId=1 select stationId,count(stationId) from LineDetail group by stationId having count(stationId)>1 select stationId,stationName,flagTransfer from Station
1.C,功能实现代码(Function Implementation Code) |
https://files.cnblogs.com/ylbtech/WebForm-SubwayNav.rar
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