diff --git a/Sql代码/create.sql b/Sql代码/create.sql new file mode 100644 index 0000000..939bcbb --- /dev/null +++ b/Sql代码/create.sql @@ -0,0 +1,181 @@ +create database parkinglot; +USE parkinglot; +create table parkingspotinformation +( + parking_spot_id int not null + primary key, + spot_type varchar(100) null, + occupancy_status int null, + location varchar(255) null, + fee_standard decimal(10, 2) null +) + engine = InnoDB; + +create table userinformation +( + user_id int not null + primary key, + name varchar(255) not null, + telephone varchar(11) null, + user_type varchar(100) null, + parking_spot_id int null, + address varchar(255) null, + gender varchar(10) null, + constraint parking_spot_id + unique (parking_spot_id), + constraint userinformation_ibfk_1 + foreign key (parking_spot_id) references parkingspotinformation (parking_spot_id) +) + engine = InnoDB; + +create table accountinformation +( + account_id int not null + primary key, + user_id int null, + account_type varchar(100) null, + account_status varchar(50) null, + name varchar(255) null, + password varchar(255) null, + constraint user_id + unique (user_id), + constraint accountinformation_ibfk_1 + foreign key (user_id) references userinformation (user_id) +) + engine = InnoDB; + +create table icinformation +( + user_id int null, + card_number varchar(20) not null + primary key, + password varchar(255) null, + balance decimal(10, 2) null, + constraint user_id + unique (user_id), + constraint icinformation_ibfk_1 + foreign key (user_id) references userinformation (user_id) +) + engine = InnoDB; +DELIMITER // +create definer = root@localhost trigger update_fee_standard + after update + on userinformation + for each row +BEGIN + IF NEW.user_type = 'vip' AND OLD.user_type = 'user' THEN + UPDATE parkingspotinformation + SET fee_standard = 0.75 + WHERE parking_spot_id = NEW.parking_spot_id; + END IF; +END; +// + +DELIMITER ; +create table vehicleinformation +( + car_license varchar(20) not null + primary key, + user_id int null, + brand varchar(100) null, + model varchar(100) null, + constraint user_id + unique (user_id), + constraint vehicleinformation_ibfk_1 + foreign key (user_id) references userinformation (user_id) +) + engine = InnoDB; + +create table parkingrecord +( + record_id int auto_increment + primary key, + parking_spot_id int null, + start_time datetime null, + parking_fee decimal(10, 2) null, + end_time datetime null, + car_license varchar(20) null, + constraint parkingrecord_ibfk_1 + foreign key (parking_spot_id) references parkingspotinformation (parking_spot_id), + constraint parkingrecord_ibfk_2 + foreign key (car_license) references vehicleinformation (car_license) +) + engine = InnoDB; + +create index car_license + on parkingrecord (car_license); + +create index parking_spot_id + on parkingrecord (parking_spot_id); +DELIMITER // +create definer = root@localhost trigger calculate_and_deduct_parking_fee + before update + on parkingrecord + for each row +BEGIN + DECLARE spot_fee DECIMAL(10, 2); + DECLARE hours_parked INT; + + IF NEW.end_time IS NOT NULL AND OLD.end_time IS NULL THEN + -- 获取停车费率 + SELECT fee_standard INTO spot_fee FROM parkingspotinformation WHERE parking_spot_id = NEW.parking_spot_id; + + -- 计算停车时间（小时） + SET hours_parked = GREATEST(CEIL(TIMESTAMPDIFF(MINUTE, NEW.start_time, NEW.end_time) / 60), 1); + + -- 更新停车费用 + SET NEW.parking_fee = hours_parked * spot_fee; + + -- 扣除停车费用 + UPDATE icinformation + SET balance = balance - NEW.parking_fee + WHERE user_id = (SELECT user_id FROM userinformation WHERE parking_spot_id = NEW.parking_spot_id); + END IF; +END; +// + +DELIMITER ; +DELIMITER // +create definer = root@localhost trigger calculate_parking_fee + before update + on parkingrecord + for each row +BEGIN + IF NEW.end_time IS NOT NULL AND OLD.end_time IS NULL THEN + SET @hours_parked = GREATEST(CEIL(TIMESTAMPDIFF(MINUTE, NEW.start_time, NEW.end_time) / 60), 1); + + SET @spot_fee = (SELECT fee_standard FROM parkingspotinformation WHERE parking_spot_id = NEW.parking_spot_id); + + SET NEW.parking_fee = @hours_parked * @spot_fee; + END IF; +END; +// + +DELIMITER ; +create definer = root@localhost view parking_record_view as +select `pr`.`record_id` AS `record_id`, + `pr`.`parking_spot_id` AS `parking_spot_id`, + `pr`.`start_time` AS `start_time`, + `pr`.`parking_fee` AS `parking_fee`, + `pr`.`end_time` AS `end_time`, + `pr`.`car_license` AS `car_license`, + `psi`.`location` AS `location` +from (`parkinglot`.`parkingrecord` `pr` left join `parkinglot`.`parkingspotinformation` `psi` + on ((`pr`.`parking_spot_id` = `psi`.`parking_spot_id`))); + +create definer = root@localhost view userparkingtotalfees as +select `u`.`name` AS `user_name`, sum(`pr`.`parking_fee`) AS `total_parking_fees` +from (`parkinglot`.`userinformation` `u` left join `parkinglot`.`parkingrecord` `pr` + on ((`u`.`parking_spot_id` = `pr`.`parking_spot_id`))) +group by `u`.`name`; + +create definer = root@localhost view vehicleuserview as +select `vi`.`car_license` AS `car_license`, + `vi`.`brand` AS `brand`, + `vi`.`model` AS `model`, + `ui`.`name` AS `name`, + `ui`.`telephone` AS `telephone`, + `ui`.`address` AS `address` +from (`parkinglot`.`vehicleinformation` `vi` join `parkinglot`.`userinformation` `ui` + on ((`vi`.`user_id` = `ui`.`user_id`))); + diff --git a/Sql代码/delete.sql b/Sql代码/delete.sql new file mode 100644 index 0000000..8439ca0 --- /dev/null +++ b/Sql代码/delete.sql @@ -0,0 +1,35 @@ +-- 删除长时间未支付停车费的用户车辆信息和相关记录 +DELETE FROM VehicleInformation +WHERE user_id IN ( + SELECT ui.user_id + FROM UserInformation ui + JOIN ParkingRecord pr ON ui.user_id = pr.user_id + WHERE pr.parking_fee > 0 AND pr.end_time < NOW() - INTERVAL 30 DAY +); + +-- 删除用户的 ICCardInformation 信息 +DELETE FROM ICCardInformation +WHERE user_id IN ( + SELECT ui.user_id + FROM UserInformation ui + JOIN ParkingRecord pr ON ui.user_id = pr.user_id + WHERE pr.parking_fee > 0 AND pr.end_time < NOW() - INTERVAL 30 DAY +); + +-- 删除用户车辆信息 +DELETE FROM UserInformation +WHERE user_id IN ( + SELECT ui.user_id + FROM UserInformation ui + JOIN ParkingRecord pr ON ui.user_id = pr.user_id + WHERE pr.parking_fee > 0 AND pr.end_time < NOW() - INTERVAL 30 DAY +); + +-- 释放过去一年内未使用过的停车位 +DELETE FROM ParkingSpotInformation +WHERE parking_spot_id NOT IN ( + SELECT DISTINCT parking_spot_id + FROM ParkingRecord + WHERE end_time > NOW() - INTERVAL 1 YEAR +); + diff --git a/Sql代码/insert.sql b/Sql代码/insert.sql new file mode 100644 index 0000000..bfc65d6 --- /dev/null +++ b/Sql代码/insert.sql @@ -0,0 +1,181 @@ +-- 用户表初始化脚本： +INSERT INTO userinformation (user_id, name, telephone, user_type, parking_spot_id, address, gender) +VALUES + (32, '张作为', '15990942057', 'vip', 32, '14号楼-1单元-209', '男'), + (1, '张三', '15900010001', 'user', 1, '1号楼-1单元-101', '男'), + (2, '李四', '15900020002', 'user', 2, '2号楼-2单元-102', '女'), + (3, '王五', '15900030003', 'user', 3, '3号楼-3单元-103', '男'), + (4, '赵六', '15900040004', 'user', 4, '4号楼-4单元-104', '女'), + (5, '钱七', '15900050005', 'user', 5, '5号楼-5单元-105', '男'), + (6, '孙八', '15900060006', 'user', 6, '6号楼-6单元-106', '女'), + (7, '周九', '15900070007', 'user', 7, '7号楼-7单元-107', '男'), + (8, '吴十', '15900080008', 'user', 8, '8号楼-8单元-108', '女'), + (9, '郑十一', '15900090009', 'user', 9, '9号楼-9单元-109', '男'), + (10, '王十二', '15900100010', 'user', 10, '10号楼-10单元-110', '女'), + (11, '赵十三', '15900110011', 'user', 11, '11号楼-11单元-111', '男'), + (12, '钱十四', '15900120012', 'user', 12, '12号楼-12单元-112', '女'), + (13, '孙十五', '15900130013', 'user', 13, '13号楼-13单元-113', '男'), + (14, '李十六', '15900140014', 'user', 14, '14号楼-14单元-114', '女'), + (15, '吴十七', '15900150015', 'user', 15, '15号楼-15单元-115', '男'), + (16, '周十八', '15900160016', 'user', 16, '16号楼-16单元-116', '女'), + (17, '郑十九', '15900170017', 'user', 17, '17号楼-17单元-117', '男'), + (18, '王二十', '15900180018', 'user', 18, '18号楼-18单元-118', '女'), + (19, '赵二十一', '15900190019', 'user', 19, '19号楼-19单元-119', '男'), + (20, '钱二十二', '15900200020', 'user', 20, '20号楼-20单元-120', '女'), + (21, '孙二十三', '15900210021', 'user', 21, '21号楼-21单元-121', '男'), + (22, '李二十四', '15900220022', 'user', 22, '22号楼-22单元-122', '女'), + (23, '吴二十五', '15900230023', 'user', 23, '23号楼-23单元-123', '男'), + (24, '周二十六', '15900240024', 'user', 24, '24号楼-24单元-124', '女'), + (25, '郑二十七', '15900250025', 'user', 25, '25号楼-25单元-125', '男'), + (26, '王二十八', '15900260026', 'user', 26, '26号楼-26单元-126', '女'), + (27, '赵二十九', '15900270027', 'user', 27, '27号楼-27单元-127', '男'), + (28, '钱三十', '15900280028', 'user', 28, '28号楼-28单元-128', '女'), + (29, '孙三十一', '15900290029', 'user', 29, '29号楼-29单元-129', '男'), + (30, '李三十二', '15900300030', 'user', 30, '30号楼-30单元-130', '女'), + (31, '吴三十三', '15900310031', 'user', 31, '31号楼-31单元-131', '男'); +-- 车辆表初始化脚本： +INSERT INTO vehicleinformation (car_license, user_id, brand, model) +VALUES + ('苏M6L756', 1, '奥迪', 'A4'), + ('苏DY0001', 2, '丰田', '卡罗拉'), + ('云E00000', 3, '本田', '雅阁'), + ('津NK0133', 4, '大众', '帕萨特'), + ('京A80930', 5, '宝马', '3系'), + ('京A63708', 6, '奔驰', 'C级'), + ('辽JB2368', 7, '特斯拉', 'Model 3'), + ('京A55069', 8, '丰田', '凯美瑞'), + ('鲁P54250', 9, '雪佛兰', '科鲁兹'), + ('京PT3G98', 10, '别克', '君越'), + ('沪KB3517', 11, '现代', '索纳塔'), + ('渝DB1618', 12, '日产', '轩逸'), + ('京F16888', 13, '雪铁龙', 'C4世嘉'), + ('黑AF6655', 14, 'Jeep', '自由光'), + ('川AE5V08', 15, '本田', 'CR-V'), + ('晋KWV587', 16, '福特', '福克斯'), + ('闽A88888', 17, '奔驰', 'E级'), + ('黑A17K98', 18, '丰田', '兰德酷路泽'), + ('京H99999', 19, '宝马', '5系'), + ('沪KR9888', 20, '奥迪', 'A6'), + ('粤B6Y889', 21, '大众', '迈腾'), + ('辽BSZ889', 22, '现代', '胜达'), + ('苏E05EV8', 23, '丰田', '普拉多'), + ('皖B12GA1', 24, '雪佛兰', '迈锐宝'), + ('京Q58A77', 25, '特斯拉', 'Model S'), + ('豫CN6666', 26, '本田', '思域'), + ('闽B8888P', 27, '别克', '英朗'), + ('辽JF4093', 28, '雪佛兰', '赛欧'), + ('沪B69999', 29, '丰田', '普锐斯'), + ('浙A66666', 30, '大众', '高尔夫'), + ('冀A636P8', 31, '别克', 'GL8'); +-- 停车记录表初始化脚本： +INSERT INTO parkingrecord (parking_spot_id, start_time, parking_fee, end_time, car_license) +VALUES + (1, '2024-12-03 09:15:27', 1.50, '2024-12-03 09:17:14', '苏M6L756'), + (2, '2024-12-04 10:30:42', 1.50, '2024-12-04 10:32:29', '沪KB3517'), + (3, '2024-12-05 11:45:56', 1.50, '2024-12-05 11:47:43', '辽JB2368'), + (4, '2024-12-06 13:00:11', 1.50, '2024-12-06 13:01:58', '粤B6Y889'), + (5, '2024-12-07 14:15:25', 1.50, '2024-12-07 14:17:12', '京A55069'), + (6, '2024-12-08 15:30:40', 1.50, '2024-12-08 15:32:27', '苏E05EV8'), + (7, '2024-12-09 16:45:54', 1.50, '2024-12-09 16:47:41', '辽BSZ889'), + (8, '2024-12-10 18:00:08', 1.50, '2024-12-10 18:01:55', '冀A636P8'), + (9, '2024-12-11 19:15:23', 1.50, '2024-12-11 19:17:10', '浙A66666'), + (10, '2024-12-12 20:30:37', 1.50, '2024-12-12 20:32:24', '鲁P54250'), + (11, '2024-12-13 21:45:52', 1.50, '2024-12-13 21:47:39', '苏E05EV8'), + (12, '2024-12-14 23:00:06', 1.50, '2024-12-14 23:01:53', '京A63708'), + (13, '2024-12-15 00:15:21', 1.50, '2024-12-15 00:17:08', '沪KR9888'), + (14, '2024-12-16 01:30:35', 1.50, '2024-12-16 01:32:22', '川AE5V08'), + (15, '2024-12-17 02:45:50', 1.50, '2024-12-17 02:47:37', '冀A636P8'), + (16, '2024-12-18 04:00:04', 1.50, '2024-12-18 04:01:51', '豫CN6666'), + (17, '2024-12-19 05:15:18', 1.50, '2024-12-19 05:17:05', '黑A17K98'), + (18, '2024-12-20 06:30:33', 1.50, '2024-12-20 06:32:20', '苏E05EV8'), + (19, '2024-12-21 07:45:47', 1.50, '2024-12-21 07:47:34', '苏DY0001'), + (20, '2024-12-22 09:00:02', 1.50, '2024-12-22 09:01:49', '闽A88888'), + (21, '2024-12-23 10:15:17', 1.50, '2024-12-23 10:17:04', '沪B69999'), + (22, '2024-12-24 11:30:31', 1.50, '2024-12-24 11:32:18', '辽BSZ889'), + (23, '2024-12-25 12:45:46', 1.50, '2024-12-25 12:47:33', '苏M6L756'), + (24, '2024-12-26 14:00:00', 1.50, '2024-12-26 14:01:47', '粤B6Y889'), + (25, '2024-12-27 15:15:15', 1.50, '2024-12-27 15:17:02', '京A55069'), + (26, '2024-12-28 16:30:29', 1.50, '2024-12-28 16:32:16', '沪KB3517'), + (27, '2024-12-29 17:45:44', 1.50, '2024-12-29 17:47:31', '鲁P54250'), + (28, '2024-12-30 19:00:58', 1.50, '2024-12-30 19:02:45', '辽JB2368'); +(29, '2024-12-03 18:15:00', 2.50, '2024-12-03 18:45:00', '苏M6L756'), + (30, '2024-12-04 18:30:00', 2.75, '2024-12-04 19:00:00', '沪KB3517'), + (31, '2024-12-05 18:45:00', 3.00, '2024-12-05 19:15:00', '辽JB2368'), + (32, '2024-12-06 19:00:00', 2.50, '2024-12-06 19:30:00', '粤B6Y889'), + (33, '2024-12-07 19:15:00', 2.75, '2024-12-07 19:45:00', '京A55069'), + (34, '2024-12-08 19:30:00', 3.00, '2024-12-08 20:00:00', '苏E05EV8'), + (35, '2024-12-09 19:45:00', 2.50, '2024-12-09 20:15:00', '辽BSZ889'), + (36, '2024-12-10 20:00:00', 2.75, '2024-12-10 20:30:00', '冀A636P8'), + (37, '2024-12-11 20:15:00', 3.00, '2024-12-11 20:45:00', '浙A66666'), + (38, '2024-12-12 20:30:00', 2.50, '2024-12-12 21:00:00', '鲁P54250'), + (39, '2024-12-13 18:20:00', 2.00, '2024-12-13 18:50:00', '苏E05EV8'), + (40, '2024-12-14 18:35:00', 2.25, '2024-12-14 19:05:00', '京A63708'), + (41, '2024-12-15 18:50:00', 2.50, '2024-12-15 19:20:00', '沪KR9888'); +-- IC卡信息表初始化脚本: +INSERT IGNORE INTO icinformation (user_id, card_number, password, balance) +VALUES + (1, '12345678', 'pass123', 100.0), + (2, '23456789', 'pass234', 150.0), + (3, '34567890', 'pass345', 200.0), + (4, '45678901', 'pass456', 120.0), + (5, '56789012', 'pass567', 180.0), + (6, '67890123', 'pass678', 300.0), + (7, '78901234', 'pass789', 80.0), + (8, '89012345', 'pass890', 250.0), + (9, '90123456', 'pass901', 175.0), + (10, '01234567', 'pass012', 210.0), + (11, '12340123', 'pass1234', 190.0), + (12, '23451234', 'pass2345', 220.0), + (13, '34562345', 'pass3456', 280.0), + (14, '45673456', 'pass4567', 150.0), + (15, '56784567', 'pass5678', 200.0), + (16, '67895678', 'pass6789', 260.0), + (17, '78906789', 'pass7890', 175.0), + (18, '89017890', 'pass8901', 300.0), + (19, '90128901', 'pass9012', 180.0), + (20, '01239012', 'pass0123', 240.0), + (21, '12340123', 'pass1234', 200.0), + (22, '23451234', 'pass2345', 170.0), + (23, '34562345', 'pass3456', 280.0), + (24, '45673456', 'pass4567', 150.0), + (25, '56784567', 'pass5678', 200.0), + (26, '67895678', 'pass6789', 260.0), + (27, '78906789', 'pass7890', 175.0), + (28, '89017890', 'pass8901', 300.0), + (29, '90128901', 'pass9012', 180.0), + (30, '01239012', 'pass0123', 240.0); +-- 车位信息表初始化脚本： +INSERT INTO parkinglot.parkingspotinformation +(parking_spot_id, spot_type, occupancy_status, location, fee_standard) +VALUES +(1, '正常使用', 1, 'A1', 1.50), +(2, '正常使用', 0, 'A2', 1.50), +(3, '正常使用', 0, 'A3', 1.50), +(4, '正常使用', 0, 'A4', 1.50), +(5, '正常使用', 0, 'A5', 1.50), +(6, '正常使用', 0, 'A6', 1.50), +(7, '正常使用', 0, 'B1', 1.50), +(8, '正常使用', 0, 'B2', 1.50), +(9, '正常使用', 0, 'B3', 1.50), +(10, '正常使用', 0, 'B4', 1.50), +(11, '正常使用', 0, 'B5', 1.50), +(12, '正常使用', 0, 'B6', 1.50), +(13, '正常使用', 0, 'C1', 1.50), +(14, '正常使用', 0, 'C2', 1.50), +(15, '正常使用', 0, 'C3', 1.50), +(16, '正常使用', 0, 'C4', 1.50), +(17, '正常使用', 0, 'C5', 1.50), +(18, '正常使用', 0, 'C6', 1.50), +(19, '正常使用', 0, 'D1', 1.50), +(20, '正常使用', 0, 'D2', 1.50), +(21, '正常使用', 0, 'D3', 1.50), +(22, '正常使用', 0, 'D4', 1.50), +(23, '正常使用', 0, 'D5', 1.50), +(24, '正常使用', 0, 'D6', 1.50), +(25, '正常使用', 0, 'E1', 1.50), +(26, '正常使用', 0, 'E2', 1.50), +(27, '正常使用', 0, 'E3', 1.50), +(28, '正常使用', 0, 'E4', 1.50), +(29, '正常使用', 0, 'E5', 1.50), +(30, '正常使用', 0, 'E6', 1.50), +(31, '正常使用', 0, 'F1', 1.50); diff --git a/Sql代码/select.sql b/Sql代码/select.sql new file mode 100644 index 0000000..99ffea8 --- /dev/null +++ b/Sql代码/select.sql @@ -0,0 +1,147 @@ +-- 查找最新停车记录 +SELECT * +FROM parking_record_view +WHERE car_license = ? +ORDER BY start_time DESC +LIMIT 1; +-- 查询插入新的停车记录所需信息 +SELECT * +FROM ( + SELECT * + FROM vehicleinformation + WHERE car_license = ? +) vi +INNER JOIN userinformation ui ON vi.user_id = ui.user_id +INNER JOIN parkingspotinformation psi ON ui.parking_spot_id = psi.parking_spot_id; +-- 选出停车费消费总额前5名的用户 +SELECT user_name, total_parking_fees +FROM userparkingtotalfees +ORDER BY total_parking_fees DESC +LIMIT 5; +近一个月的日停车费收入变化 +SELECT DATE(start_time) AS date, SUM(parking_fee) AS total_income +FROM parkingrecord +WHERE start_time >= DATE_SUB(CURDATE(), INTERVAL 1 MONTH) +GROUP BY DATE(start_time) +ORDER BY DATE(start_time); +根据停车时间进行用户画像(选出未在六点到九点有过停车行为的用户) +SELECT COUNT(*) +FROM parkingspotinformation psi +WHERE NOT EXISTS ( + SELECT * + FROM parkingrecord pr + WHERE pr.parking_spot_id = psi.parking_spot_id + AND TIME(pr.start_time) BETWEEN '18:00:00' AND '21:00:00’); ' +-- 分析一周内一天不同时刻中停车位的平均使用时长 +SELECT + HOUR(pr.start_time) AS Hour, + AVG(TIMESTAMPDIFF(MINUTE, pr.start_time, pr.end_time)) as AverageParkingMinutes +FROM parkingrecord pr +WHERE + YEARWEEK(pr.start_time, 1) = YEARWEEK(CURDATE(), 1) +GROUP BY Hour +ORDER BY Hour; +-- 查看目前小区的所有车辆和其拥有者的信息 +SELECT * FROM vehicleuserview +-- 根据车牌号，品牌，型号进行检索 +SELECT * FROM vehicleuserview +WHERE + car_license LIKE ‘%?%’ + AND brand=? + AND model=? + AND address LIKE ‘?号楼%’ +-- 通过user_id连接parkingspotinformation和userinformation表对用户车位信息进行查询 +SELECT *FROM parkingspotinformation INNER JOIN userinformation ON parkingspotinformation.parking_spot_id =userinformation.parking_spot_id +WHERE userinformation.user_id = ?; +-- 通过user_id连接parkingrecord和userinformation表对用户停车记录进行查询，并以start_time为基准进行排序 +SELECT * +FROM parkingrecord +INNER JOIN userinformation ON parkingrecord.parking_spot_id = userinformation.parking_spot_id +WHERE userinformation.user_id = ? +ORDER BY start_time DESC; +-- 查询所有车位的情况 +SELECT * FROM parkingspotinformation +-- 查看所有的停车记录及筛选所需记录 +SELECT * FROM parking_record_view +WHERE car_license = ? +AND location = ? +AND start_time >= ? +AND end_time <= ? +ORDER BY start_time DESC +-- 展示用户信息 +select * +from userinformation +-- 搜索相关用户 +select * +from userinformation +where name like '%?' +and parking_spot_id=? +and address=? +-- 排序（按照user_id、name、parking_spot_id） +select * +from userinformation +order by user_id + +select * +from userinformation +order by name + +select * +from userinformation +order by parking_spot_id +-- 统计用户数量 +select count(*) +as total_user +from userinformation +-- 按照性别统计 +select gender, count(*) +as gender_count +from userinformation +group by gender +-- 按照用户类型统计 +select user_type,count(*) +as user_count +from userinformation +group by user_type +-- 查看特定用户对应的车辆信息 +select v.car_license,v.user_id,v.brand,v.model +from vehicleinformation v +join userinformation u on v.user_id=u.user_id +where u.user_id=? +order by v.car_license +-- 查看特定用户对应的车位信息 +select p.parking_spot_id,p.spot_type,p.occupancy_status,p.location,p.fee_standard +from userinformation u +left join parkingspotinformation p on u.parking_spot_id=p.parking_spot_id +where p.parking_spot_id=? +-- 查看特定用户对应的IC卡信息 +select i.user_id,i.card_number,i.password,i.balance +from userinformation u +inner join icinformation i on u.user_id=i.user_id +where u.user_id=? +-- 通过user_id查询用户ic卡信息 +SELECT * +FROM icinformation +WHERE user_id = ?; +-- 通过user_id查询用户的车辆信息 +SELECT * +-- FROM vehicleinformation +WHERE user_id = ? +-- 通过user_id查询用户信息 +SELECT * +FROM userinformation +WHERE user_id = ? +-- 通过user_id 使用EXISTS语句对时间处于start 和end之间的记录进行查询，同时根据type为基准进行order排序 +SELECT * +FROM parkingrecord r +WHERE EXISTS( +SELECT 1 +FROM userinformation u +WHERE u.parking_spot_id = r.parking_spot_id AND u.user_id=?) +AND r.start_time>=? AND r.end_time<=? +ORDER BY "+type+" "+order+"; +-- 通过spot和fee上下限对fee设定范围内的记录进行条件查询，同时对其进行排序 +SELECT * +FROM parkingrecord +WHERE parking_spot_id = ? AND parking_fee Between ? AND ? +ORDER BY "+type+" "+order+"; diff --git a/Sql代码/update.sql b/Sql代码/update.sql new file mode 100644 index 0000000..e00a269 --- /dev/null +++ b/Sql代码/update.sql @@ -0,0 +1,29 @@ +-- 将停车位置为占用状态 +UPDATE parkingspotinformation +SET occupancy_status = 1 +WHERE parking_spot_id = ? +-- 更新停车记录的结束时间 +UPDATE parkingrecord +SET end_time = ? +WHERE record_id = ?; +-- 修改用户信息 +update userinformation +set name=?,telephone=?,user_type=?,parking_spot_id=?,address=?,gender=? +where user_id=? +-- 对指定user_id的用户记录进行更新 +UPDATE userinformation SET name=?,gender=?, telephone=?, address=?WHERE user_id=?； +-- 将特定车型的停车费用提高10% +UPDATE ParkingRecord pr +JOIN VehicleInformation vi ON pr.car_license = vi.car_license +JOIN ParkingSpotInformation psi ON pr.parking_spot_id = psi.parking_spot_id +SET pr.parking_fee = pr.parking_fee * 1.1 +WHERE vi.brand = ?; +-- 将停车超过 6 小时的记录的停车费用增加 20% +UPDATE ParkingRecord +SET parking_fee = parking_fee * 1.2 +WHERE TIMESTAMPDIFF(HOUR, start_time, end_time) > 6; +-- 更新停车记录的车辆信息 +UPDATE ParkingRecord pr +JOIN VehicleInformation vi ON pr.car_license = vi.car_license +SET vi.brand = ?, vi.model = ? +WHERE pr.record_id = ?;