一、建表
1、用户
DROP TABLE IF EXISTS `tb_user`;
CREATE TABLE `tb_user` (
`user_id` int(20) NOT NULL auto_increment,
`user_name` varchar(50) NOT NULL,
`user_login_name` varchar(50) NOT NULL,
`user_login_password` varchar(50) NOT NULL,
`user_tel` varchar(50) NOT NULL,
PRIMARY KEY (`user_id`)
)2、商品类别
DROP TABLE IF EXISTS `tb_category`;
CREATE TABLE `tb_category` (
`category_id` int(20) NOT NULL auto_increment,
`category_name` varchar(50) NOT NULL,
PRIMARY KEY (`category_id`)
)3、商品
DROP TABLE IF EXISTS `tb_goods`;
CREATE TABLE `tb_goods` (
`goods_id` int(20) NOT NULL auto_increment,
`goods_name` varchar(50) NOT NULL,
`goods_depot` varchar(50) NOT NULL,
`goods_unit` varchar(50) NOT NULL,
`goods_number` int(50) NOT NULL,
`goods_price` double(50) NOT NULL,
`goods_alarm` int(50) NOT NULL,
`category_id` int(20) NOT NULL,
PRIMARY KEY (`goods_id`),
KEY `key_goods_category_id` (`category_id`),
CONSTRAINT `key_goods_category_id` FOREIGN KEY (`category_id`) REFERENCES `tb_category` (`category_id`)
)4、供应商
DROP TABLE IF EXISTS `tb_company`;
CREATE TABLE `tb_company` (
`company_id` int(20) NOT NULL auto_increment,
`company_name` varchar(50) NOT NULL,
`company_address` varchar(50) NOT NULL,
`company_linkman` varchar(50) NOT NULL,
`company_tel` varchar(50) NOT NULL,
PRIMARY KEY (`company_id`)
)5、进货
DROP TABLE IF EXISTS `tb_purchase`;
CREATE TABLE `tb_purchase` (
`purchase_id` int(20) NOT NULL auto_increment,
`purchase_price` double(50) NOT NULL,
`purchase_num` int(50) NOT NULL,
`purchase_sum` double(50) NOT NULL,
`purchase_buyer` varchar(50) NOT NULL,
`purchase_date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
`company_id` int(20) NOT NULL,
`goods_id` int(20) NOT NULL,
PRIMARY KEY (`purchase_id`),
KEY `key_purchase_company_id` (`company_id`),
KEY `key_purchase_goods_id` (`goods_id`),
CONSTRAINT `key_purchase_goods_id` FOREIGN KEY (`goods_id`) REFERENCES `tb_goods` (`goods_id`),
CONSTRAINT `key_purchase_company_id` FOREIGN KEY (`company_id`) REFERENCES `tb_company` (`company_id`)
)6、销售
DROP TABLE IF EXISTS `tb_sales`;
CREATE TABLE `tb_sales` (
`sales_id` int(20) NOT NULL auto_increment,
`sales_price` double(50) NOT NULL,
`sales_num` int(50) NOT NULL,
`sales_sum` double(50) NOT NULL,
`sales_salesperson` varchar(50) NOT NULL,
`sales_date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
`goods_id` int(20) NOT NULL,
PRIMARY KEY (`sales_id`),
KEY `key_sales_goods_id` (`goods_id`),
CONSTRAINT `key_sales_goods_id` FOREIGN KEY (`goods_id`) REFERENCES `tb_goods` (`goods_id`)
)7、退货
DROP TABLE IF EXISTS `tb_return`;
CREATE TABLE `tb_return` (
`return_id` int(20) NOT NULL auto_increment,
`return_num` int(50) NOT NULL,
`return_sum` double(50) NOT NULL,
`return_person` varchar(50) NOT NULL,
`return_date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
`goods_id` int(20) NOT NULL,
`sales_id` int(20) NOT NULL,
PRIMARY KEY (`return_id`),
KEY `key_return_goods_id` (`goods_id`),
KEY `key_return_sales_id` (`sales_id`),
CONSTRAINT `key_return_goods_id` FOREIGN KEY (`goods_id`) REFERENCES `tb_goods` (`goods_id`),
CONSTRAINT `key_return_sales_id` FOREIGN KEY (`sales_id`) REFERENCES `tb_sales` (`sales_id`)
)二、插入数据
1、用户
insert into tb_user(user_name,user_login_name,user_login_password,user_tel)
select '张三','zhangsan','000000','14755778090' union
select '李四','lisi','000000','13673740829' union
select '王五','wangwu','000000','18974958526' union
select '赵六','zhaoliu','000000','15167764562'2、商品类别
insert into tb_category(category_name)
select '水果' union
select '蔬菜' union
select '方便面' union
select '牛奶'3、商品
insert into tb_goods(goods_name,goods_depot,goods_unit,goods_number,goods_price,goods_alarm,category_id)
select '火龙果','仓库B','箱','200','30.00','50',1 union
select '猕猴桃','仓库B','箱','100','47.00','50',1 union
select '白菜','仓库C','箱','100','21.00','50',2 union
select '萝卜','仓库C','箱','100','28.00','50',2 union
select '康师傅老坛酸菜面','仓库A','箱','200','38.00','100',3 union
select '统一100红烧牛肉面','仓库A','箱','200','37.00','100',3 union
select '蒙牛','仓库D','箱','100','47.00','50',4 union
select '伊利','仓库D','箱','100','47.00','50',4 4、供应商
insert into tb_company(company_name,company_address,company_linkman,company_tel)
select '统一','台湾','吴修齐','15674352989' union
select '康师傅','上海市','韦俊贤','13644567859' union
select '蒙牛','内蒙古自治区','宁高宁','15674352989' union
select '伊利','内蒙古呼和浩特','潘刚','18648978956' union
select '绿色','宁波市','乐世德','13847805208' 5、进货
insert into tb_purchase(purchase_price,purchase_num,purchase_sum,purchase_buyer,company_id,goods_id)
select '20.00','200',20.00*200,'张三',5,1 union
select '37.00','100',37.00*100,'张三',5,2 union
select '11.00','100',11.00*100,'张三',5,3 union
select '18.00','100',18.00*100,'张三',5,4 union
select '28.00','200',28.00*200,'王五',2,5 union
select '27.00','200',27.00*200,'王五',1,6 union
select '37.00','100',37.00*100,'李四',3,7 union
select '37.00','100',37.00*100,'赵六',4,8 6、销售
insert into tb_sales(sales_price,sales_num,sales_sum,sales_salesperson,goods_id)
select 30.00,4,30.00*4,'张三',1 union
select 47.00,2,47.00*2,'李四',2 union
select 21.00,1,21.00,'王五',3 union
select 28.00,1,28.00,'赵六',47、退货
insert into tb_return(return_num,return_sum,return_person,goods_id,sales_id)
select 1,21.00,'王五',3,3 union
select 1,28.00,'赵六',4,4三、管理
A、员工模块
1、实现员工数据的插入、修改、删除（存储过程）
// 插入
DROP PROCEDURE IF EXISTS p_adduser;
CREATE PROCEDURE p_adduser(username VARCHAR(50),userloginname VARCHAR(50),userloginpasswor VARCHAR(50),usertel VARCHAR(50))
BEGIN
INSERT INTO tb_user(user_name,user_login_name,user_login_password,user_tel)
VALUES(username,userloginname,userloginpasswor,usertel);
END;
// 调用方式1：
call p_adduser('田七','tianqi','000000','13747353529');
// 调用方式2：
set @username='朱八';
set @userloginname='zhuba';
set @userloginpassword='000000';
set @usertel='13789599431';
call p_adduser(@username,@userloginname,@userloginpassword,@usertel);调用后：
// 修改
DROP PROCEDURE IF EXISTS p_updateuser;
CREATE PROCEDURE p_updateuser(username VARCHAR(50),userloginname VARCHAR(50),userloginpassword VARCHAR(50),usertel VARCHAR(50),userid INT(20))
BEGIN
UPDATE tb_user SET user_name=username,user_login_name=userloginname,user_login_password=userloginpassword,user_tel=usertel
WHERE user_id=userid;
END;
// 调用
call p_updateuser('田七1','tianqi1','000000','13789599441',6);调用后：
// 删除
DROP PROCEDURE IF EXISTS p_deleteuser;
CREATE PROCEDURE p_deleteuser(userid int(20))
BEGIN
DELETE FROM tb_user WHERE user_id=userid;
END;
// 调用
call p_deleteuser(6);调用后：
B、供应商模块
1、实现供应商数据的插入、修改、删除（存储过程）
// 插入
DROP PROCEDURE IF EXISTS p_addcompany;
CREATE PROCEDURE p_addcompany(companyname VARCHAR(50),companyaddr VARCHAR(50),companylinkman VARCHAR(50),companytel VARCHAR(50))
BEGIN
INSERT INTO tb_company(company_name,company_address,company_linkman,company_tel)
VALUES(companyname,companyaddr,companylinkman,companytel);
END;
// 调用
call p_addcompany('娃哈哈','杭州','宗馥莉','15673576689');调用后：
// 修改
DROP PROCEDURE IF EXISTS p_updatecompany;
CREATE PROCEDURE p_updatecompany(companyname VARCHAR(50),companyaddr VARCHAR(50),companylinkman VARCHAR(50), companytel VARCHAR(50), companyid INT(20))
BEGIN
UPDATE tb_company SET company_name=companyname, company_address=companyaddr, company_linkman=companylinkman, company_tel=companytel
WHERE company_id=companyid;
END;
// 调用
call p_updatecompany('娃哈哈1','浙江杭州','宗馥莉','15673576689',6);调用后：
// 删除
DROP PROCEDURE IF EXISTS p_deletecompany;
CREATE PROCEDURE p_deletecompany(companyid INT(20))
BEGIN
DELETE FROM tb_company WHERE company_id=companyid;
END;
// 调用
call p_deletecompany(6);调用后：
C、库存管理
1、能够实现对商品数据的编辑，包括增、删、改（存储过程）
// 插入
DROP PROCEDURE IF EXISTS p_addgoods;
CREATE PROCEDURE p_addgoods(goodsname VARCHAR(50),goodsdepot VARCHAR(50),goodsunit VARCHAR(50),goodsnumber INT(50),goodsprice DOUBLE,goodsalarm INT(50),categoryid INT(20))
BEGIN
INSERT INTO tb_goods(goods_name,goods_depot,goods_unit,goods_number,goods_price,goods_alarm,category_id)
VALUES(goodsname,goodsdepot,goodsunit,goodsnumber,goodsprice,goodsalarm,categoryid);
END;
// 调用
CALL p_addgoods ('重庆酸辣粉','A仓库','箱',200,25.00,100,3);调用后：
// 修改
DROP PROCEDURE IF EXISTS p_updgoods;
CREATE PROCEDURE p_updategoods(goodsname VARCHAR(50),goodsdepot VARCHAR(50),goodsunit VARCHAR(50),goodsnumber INT(50),goodsprice DOUBLE,goodsalarm INT(50),categoryid INT(20),goodsid INT(20))
BEGIN
UPDATE tb_goods SET goods_name=goodsname,goods_depot=goodsdepot,goods_unit=goodsunit,goods_number=goodsnumber,goods_price=goodsprice,goods_alarm=goodsalarm,category_id=categoryid
WHERE goods_id=goodsid;
END;
// 调用
CALL p_updategoods ('重庆酸辣粉1','A仓库','箱',600,25.00,200,3,9);调用后：
// 删除
DROP PROCEDURE IF EXISTS p_deletegoods;
CREATE PROCEDURE p_deletegoods(goodsid INT(20))
BEGIN
DELETE FROM tb_goods WHERE goods_id=goodsid;
END;
// 调用
CALL p_deletegoods(9);调用后：
2、能够实现对商品数据，可以根据商品类别、商品名称、价格、库存数量进行查询（存储过程）
DROP PROCEDURE IF EXISTS p_querygoods;
CREATE PROCEDURE p_querygoods(goodsname VARCHAR(50),categoryname VARCHAR(50),minnum INT(50),maxnum INT(50),minprice DOUBLE,maxprice DOUBLE)
BEGIN
DECLARE querysql varchar(5000);
DECLARE goodssql varchar(1000);
DECLARE categorysql varchar(1000);
DECLARE numsql varchar(1000);
DECLARE pricesql varchar(1000);
SET querysql='select * from tb_goods where 1=1 ';
IF(goodsname IS NOT NULL) THEN
SET goodssql=CONCAT(' and goods_name like ''%',goodsname,'%'' ');
SET querysql=CONCAT(querysql,goodssql);
END IF;
IF(categoryname IS NOT NULL) THEN
SET categorysql=CONCAT(' and category_id in(select category_id from tb_category where category_name like ''%',categoryname,'%'') ');
SET querysql=CONCAT(querysql,categorysql);
END IF;
IF(minnum IS NOT NULL)AND(maxnum IS NOT NULL) THEN
SET numsql=CONCAT(' and goods_number between ',minnum,' and ',maxnum,' ');
SET querysql=CONCAT(querysql,numsql);
END IF;
IF(minprice IS NOT NULL)AND(maxprice IS NOT NULL) THEN
SET pricesql=CONCAT(' and goods_price between ',minprice,' and ',maxprice,' ');
SET querysql=CONCAT(querysql,pricesql);
END IF;
SET @querysql=querysql;
PREPARE querysqltemp FROM @querysql;
EXECUTE querysqltemp;
DEALLOCATE PREPARE querysqltemp;
END;
// 调用
CALL p_querygoods(NULL,'面',0,1000,0,100);调用结果：
3、能够查询低于警报线的商品数量（视图实现）
DROP VIEW IF EXISTS v_alarmgoodsnum;
CREATE VIEW v_alarmgoodsnum AS
SELECT * FROM tb_goods WHERE goods_number<goods_alarm;
// 查看视图数据
SELECT * FROM v_alarmgoodsnum;D、进货管理
1、能够实现对进货单的编辑，包括增、删、改（存储过程）
// 插入
DROP PROCEDURE IF EXISTS p_addpurchase;
CREATE PROCEDURE p_addpurchase(purchaseprice DOUBLE,purchasenum INT(50),purchaseman VARCHAR(50),companyid INT(50),goodsid INT(20))
BEGIN
INSERT INTO tb_purchase(purchase_price,purchase_num,purchase_sum,purchase_buyer,company_id,goods_id)
VALUES(purchaseprice,purchasenum,purchaseprice*purchasenum,purchaseman,companyid,goodsid);
END;
//调用
CALL p_addpurchase(89.00,200,'张三',3,7);调用后：
// 修改
DROP PROCEDURE IF EXISTS p_updatepurchase;
CREATE PROCEDURE p_updatepurchase(purchaseprice DOUBLE,purchasenum INT(50),purchaseman VARCHAR(50),companyid INT(50),goodsid INT(20),purchaseid INT(20))
BEGIN
UPDATE tb_purchase SET purchase_price=purchaseprice,purchase_num=purchasenum,purchase_sum=purchaseprice*purchasenum,purchase_buyer=purchaseman,company_id=companyid,goods_id=goodsid
WHERE purchase_id=purchaseid;
END;
// 调用
CALL p_updatepurchase(90.00,150,'张三',3,7,9);调用后：
// 删除
DROP PROCEDURE IF EXISTS p_deletepurchase;
CREATE PROCEDURE p_deletepurchase(purchaseid INT(20))
BEGIN
DELETE FROM tb_purchase WHERE purchase_id=purchaseid;
END;
// 调用
CALL p_deletepurchase(9);调用后：
2、编写触发器，要求进货单的数据一旦插入则库存随之变化
// 插入
CREATE TRIGGER t_insertpurchase
AFTER INSERT ON tb_purchase FOR EACH ROW
BEGIN
DECLARE goodsid INT(20);
DECLARE goodsnumber INT(50);
SELECT goods_id INTO goodsid FROM tb_purchase WHERE purchase_id=new.purchase_id;
SELECT purchase_num INTO goodsnumber FROM tb_purchase WHERE purchase_id=new.purchase_id;
UPDATE tb_goods SET goods_number=goods_number+goodsnumber WHERE goods_id=goodsid;
END;
// 调用
LOCK TABLE tb_purchase WRITE; --锁表
CALL p_addpurchase(89.00,200,'张三',3,7);
// 查询
UNLOCK TABLE; --解锁
SELECT * FROM TB_PURCHASE;
SELECT * FROM TB_GOODS;调用后：
// 修改
CREATE TRIGGER t_updatepurchase
AFTER UPDATE ON tb_purchase FOR EACH ROW
BEGIN
DECLARE goodsid INT(20);
DECLARE goodsnumber INT(50);
DECLARE goodsnumberold INT(50);
SELECT goods_id INTO goodsid FROM tb_purchase WHERE purchase_id=new.purchase_id;
SELECT purchase_num INTO goodsnumber FROM tb_purchase WHERE purchase_id=new.purchase_id;
SELECT old.purchase_num INTO goodsnumberold FROM tb_purchase WHERE purchase_id=old.purchase_id;
UPDATE tb_goods SET goods_number=goods_number+(goodsnumber-goodsnumberold) WHERE goods_id=goodsid;
END;
// 调用
LOCK TABLE tb_purchase WRITE;
CALL p_updatepurchase(89.00,100,'张三',3,7,18);
// 查询
UNLOCK TABLE; --解锁
SELECT * FROM TB_PURCHASE;
SELECT * FROM TB_GOODS;查询结果：
// 删除
CREATE TRIGGER t_deletepurchase
AFTER DELETE ON tb_purchase FOR EACH ROW
BEGIN
UPDATE tb_goods SET goods_number=goods_number-old.purchase_num WHERE goods_id=old.goods_id;
END;
// 调用
LOCK TABLE tb_purchase WRITE;
CALL p_deletepurchase(18);
// 查询
UNLOCK TABLE;
SELECT * FROM TB_PURCHASE;
SELECT * FROM TB_GOODS;查询结果：
3、能够对进货信息，根据商品名称、商品类别、进货时间（开始、结束）、以及价格进行查询（存储过程）
DROP PROCEDURE IF EXISTS p_purchasedetails;
CREATE PROCEDURE p_purchasedetails(goodsname VARCHAR(50),categoryname VARCHAR(50),starttime TIMESTAMP,endtime TIMESTAMP,minprice DOUBLE,maxprice DOUBLE)
BEGIN
DECLARE querysql varchar(5000);
DECLARE goodssql varchar(1000);
DECLARE categorysql varchar(1000);
DECLARE timesql varchar(1000);
DECLARE pricesql varchar(1000);
SET querysql='select * from tb_purchase where 1=1 ';
IF(goodsname IS NOT NULL) THEN
SET goodssql=CONCAT(' and goods_id in(select goods_id from tb_goods where goods_name like ''%',goodsname,'%'') ');
SET querysql=CONCAT(querysql,goodssql);
END IF;
IF(categoryname IS NOT NULL) THEN
SET categorysql=CONCAT(' and goods_id in(select goods_id from tb_goods where category_id in(select category_id from tb_category where category_name like ''%',categoryname,'%'')) ');
SET querysql=CONCAT(querysql,categorysql);
END IF;
IF(starttime IS NOT NULL)AND(endtime IS NOT NULL) THEN
SET timesql=CONCAT(' and purchase_date between ''',starttime,''' and ''',endtime,''' ');
SET querysql=CONCAT(querysql,timesql);
END IF;
IF(minprice IS NOT NULL)AND(maxprice IS NOT NULL) THEN
SET pricesql=CONCAT(' and purchase_price between ',minprice,' and ',maxprice,' ');
SET querysql=CONCAT(querysql,pricesql);
END IF;
SET @querysql=querysql;
PREPARE querysqltemp FROM @querysql;
EXECUTE querysqltemp;
DEALLOCATE PREPARE querysqltemp;
END;
// 调用
CALL p_purchasedetails('','','2016-01-01','2016-09-29',0,1000);调用结果：
E、销售管理
1、能够实现对销售单的编辑，包括增、删、改（存储过程）
// 插入
DROP PROCEDURE IF EXISTS p_addsales;
CREATE PROCEDURE p_addsales(salesprice DOUBLE,salesnum INT(50),salesperson VARCHAR(50),goodsid INT(20))
BEGIN
INSERT INTO tb_sales(sales_price,sales_num,sales_sum,sales_salesperson,goods_id)
VALUES(salesprice,salesnum,salesnum*salesprice,salesperson,goodsid);
END;
// 调用
CALL p_addsales(29,123,'张三',6);调用结果：
// 修改
DROP PROCEDURE IF EXISTS p_updatesales;
CREATE PROCEDURE p_updatesales(salesprice DOUBLE,salesnum INT(50),salesperson VARCHAR(50),goodsid INT(20),salesid int(20))
BEGIN
UPDATE tb_sales SET sales_price=salesprice,sales_num=salesnum,sales_sum=salesnum*salesprice,sales_salesperson=salesperson,goods_id=goodsid
WHERE sales_id=salesid;
END;
// 调用
CALL p_updatesales(30,100,'张三1',6,5);调用结果：
// 删除
DROP PROCEDURE IF EXISTS p_deletesales;
CREATE PROCEDURE p_deletesales(salesid int(20))
BEGIN
DELETE FROM tb_sales WHERE sales_id=salesid;
END;
// 调用
CALL p_deletesales(5);调用结果：
2、编写触发器，要求销售单的数据一旦插入则库存随之变化
// 插入
CREATE TRIGGER t_insertsales
AFTER INSERT ON tb_sales FOR EACH ROW
BEGIN
DECLARE goodsid INT(20);
DECLARE goodsnumber INT(50);
SELECT goods_id INTO goodsid FROM tb_sales WHERE sales_id=new.sales_id;
SELECT sales_num INTO goodsnumber FROM tb_sales WHERE sales_id=new.sales_id;
UPDATE tb_goods SET goods_number=goods_number-goodsnumber WHERE goods_id=goodsid;
END;
// 调用
LOCK TABLE tb_sales WRITE;
CALL p_insertsales(18);
// 查询
UNLOCK TABLE;
SELECT * FROM TB_SALES;
SELECT * FROM TB_GOODS;查询结果：
// 修改
CREATE TRIGGER t_updatesales
AFTER UPDATE ON tb_sales FOR EACH ROW
BEGIN
DECLARE goodsid INT(20);
DECLARE goodsnumber INT(50);
DECLARE goodsnumberold INT(50);
SELECT goods_id INTO goodsid FROM tb_sales WHERE sales_id=new.sales_id;
SELECT sales_num INTO goodsnumber FROM tb_sales WHERE sales_id=new.sales_id;
SELECT old.sales_num INTO goodsnumberold FROM tb_sales WHERE sales_id=old.sales_id;
UPDATE tb_goods SET goods_number=goods_number-(goodsnumber-goodsnumberold) WHERE goods_id=goodsid;
END;
// 调用
LOCK TABLE tb_sales WRITE;
CALL p_updatesales(30,100,'张三1',6,8);
// 查询
UNLOCK TABLE;
SELECT * FROM TB_SALES;
SELECT * FROM TB_GOODS;查询结果：
// 删除
CREATE TRIGGER t_deletesales
AFTER DELETE ON tb_sales FOR EACH ROW
BEGIN
UPDATE tb_goods SET goods_number=goods_number+old.sales_num WHERE goods_id=old.goods_id;
END;
// 调用
LOCK TABLE tb_sales WRITE;
CALL p_deletesales(8);
// 查询
UNLOCK TABLE;
SELECT * FROM TB_SALES;
SELECT * FROM TB_GOODS;查询结果：
3、能够对销售信息，根据商品名称、商品类别、销售时间（开始、结束）、以及价格进行查询（存储过程）
DROP PROCEDURE IF EXISTS p_saledetails;
CREATE PROCEDURE p_saledetails(goodsname VARCHAR(50),categoryname VARCHAR(50),starttime TIMESTAMP,endtime TIMESTAMP,minprice DOUBLE,maxprice DOUBLE)
BEGIN
DECLARE querysql varchar(5000);
DECLARE goodssql varchar(1000);
DECLARE categorysql varchar(1000);
DECLARE timesql varchar(1000);
DECLARE pricesql varchar(1000);
SET querysql='select * from tb_sales where 1=1 ';
IF(goodsname IS NOT NULL) THEN
SET goodssql=CONCAT(' and goods_id in(select goods_id from tb_goods where goods_name like ''%',goodsname,'%'') ');
SET querysql=CONCAT(querysql,goodssql);
END IF;
IF(categoryname IS NOT NULL) THEN
SET categorysql=CONCAT(' and goods_id in(select goods_id from tb_goods where category_id in(select category_id from tb_category where category_name like ''%',categoryname,'%'')) ');
SET querysql=CONCAT(querysql,categorysql);
END IF;
IF(starttime IS NOT NULL)AND(endtime IS NOT NULL) THEN
SET timesql=CONCAT(' and sales_date between ''',starttime,''' and ''',endtime,''' ');
SET querysql=CONCAT(querysql,timesql);
END IF;
IF(minprice IS NOT NULL)AND(maxprice IS NOT NULL) THEN
SET pricesql=CONCAT(' and sales_price between ',minprice,' and ',maxprice,' ');
SET querysql=CONCAT(querysql,pricesql);
END IF;
SET @querysql=querysql;
PREPARE querysqltemp FROM @querysql;
EXECUTE querysqltemp;
DEALLOCATE PREPARE querysqltemp;
END;
// 调用
CALL p_saledetails('','','2016-09-09','2016-09-28',0,100);调用结果：
F、退货管理
1、能够实现对退货单的编辑，包括增、删、改（存储过程）
// 插入
DROP PROCEDURE IF EXISTS p_addreturn;
CREATE PROCEDURE p_addreturn(returnnum INT(50),returnsum DOUBLE,returnperson VARCHAR(50),goodsid INT(20),salesid INT(20))
BEGIN
INSERT INTO tb_return(return_num,return_sum,return_person,goods_id,sales_id)
VALUES(returnnum,returnsum,returnperson,goodsid,salesid);
END;
// 调用
CALL p_addreturn(1,47,'李四',2,2);调用结果：
// 修改
DROP PROCEDURE IF EXISTS p_updatereturn;
CREATE PROCEDURE p_updatereturn(returnnum INT(50),returnsum DOUBLE,returnperson VARCHAR(50),goodsid INT(20),salesid INT(20),returnid INT(20))
BEGIN
UPDATE tb_return SET return_num=returnnum,return_sum=returnsum,return_person=returnperson,goods_id=goodsid,sales_id=salesid
WHERE return_id=returnid;
END;
// 调用
CALL p_updatereturn(2,2*47,'李四',2,2,3);调用结果：
// 删除
DROP PROCEDURE IF EXISTS p_deletereturn;
CREATE PROCEDURE p_deletereturn(returnid INT(20))
BEGIN
DELETE FROM tb_return WHERE return_id=returnid;
END;
// 调用
CALL p_deletereturn(3);调用结果：
2、编写触发器，要求退货单的数据一旦插入则库存随之变化
// 插入
CREATE TRIGGER t_insertreturn
AFTER INSERT ON tb_return FOR EACH ROW
BEGIN
DECLARE goodsid INT(20);
DECLARE goodsnumber INT(50);
SELECT goods_id INTO goodsid FROM tb_return WHERE return_id=new.return_id;
SELECT return_num INTO goodsnumber FROM tb_return WHERE return_id=new.return_id;
UPDATE tb_goods SET goods_number=goods_number+goodsnumber WHERE goods_id=goodsid;
END;
// 调用
LOCK TABLE tb_sales WRITE;
CALL p_addreturn(1,47,'李四',2,2);
// 查询
UNLOCK TABLE;
SELECT * FROM TB_RETURN;
SELECT * FROM TB_GOODS;查询结果：
// 修改
CREATE TRIGGER t_updatereturn
AFTER UPDATE ON tb_return FOR EACH ROW
BEGIN
DECLARE goodsid INT(20);
DECLARE goodsnumber INT(50);
DECLARE goodsnumberold INT(50);
SELECT goods_id INTO goodsid FROM tb_return WHERE return_id=new.return_id;
SELECT return_num INTO goodsnumber FROM tb_return WHERE return_id=new.return_id;
SELECT old.return_num INTO goodsnumberold FROM tb_return WHERE return_id=old.return_id;
UPDATE tb_goods SET goods_number=goods_number+(goodsnumber-goodsnumberold) WHERE goods_id=goodsid;
END;
// 调用
LOCK TABLE tb_return WRITE;
CALL p_updatereturn(2,2*47,'李四',2,2,4);
// 查询
UNLOCK TABLE;
SELECT * FROM TB_RETURN;
SELECT * FROM TB_GOODS;查询结果：
// 删除
CREATE TRIGGER t_deletereturn
AFTER DELETE ON tb_return FOR EACH ROW
BEGIN
UPDATE tb_goods SET goods_number=goods_number-old.return_num WHERE goods_id=old.goods_id;
END;
// 调用
LOCK TABLE tb_return WRITE;
CALL p_deletereturn(4);
// 查询
UNLOCK TABLE;
SELECT * FROM TB_RETURN;
SELECT * FROM TB_GOODS;查询结果：
3、能够对退货信息，根据商品名称、商品类别、退货时间（开始、结束）、以及价格进行查询（存储过程）
DROP PROCEDURE IF EXISTS p_returndetails;
CREATE PROCEDURE p_returndetails(goodsname VARCHAR(50),categoryname VARCHAR(50), starttime timestamp, endtime timestamp, minprice double, maxprice double)
BEGIN
DECLARE querysql VARCHAR(5000);
DECLARE goodsnamesql VARCHAR(1000);
DECLARE categorynamesql VARCHAR(1000);
DECLARE timesql VARCHAR(1000);
DECLARE pricesql VARCHAR(1000);
SET querysql='select * from tb_return where 1=1 ';
IF(goodsname IS NOT NULL) THEN
SET goodsnamesql=CONCAT(' and goods_id in(select goods_id from tb_goods where goods_name like ''%',goodsname,'%'') ');
set querysql=CONCAT(querysql,goodsnamesql);
END IF;
IF(categoryname IS NOT NULL) THEN
SET categorynamesql=CONCAT(' and goods_id in(select goods_id from tb_goods where category_id in(select category_id from tb_category where category_name like ''%',categoryname,'%''))');
SET querysql=CONCAT(querysql,categorynamesql);
END IF;
IF(starttime IS NOT NULL)AND(endtime IS NOT NULL) THEN
SET timesql=CONCAT(' and return_date between ''',starttime,''' and ''',endtime,''' ');
SET querysql=CONCAT(querysql,timesql);
END IF;
IF(minprice IS NOT NULL)AND(maxprice IS NOT NULL) THEN
SET pricesql=CONCAT(' and return_sum between ',minprice,' and ',maxprice,' ');
SET querysql=CONCAT(querysql,pricesql);
END IF;
SET @querysql=querysql;
PREPARE querysqltemp FROM @querysql;
EXECUTE querysqltemp;
DEALLOCATE PREPARE querysqltemp;
END;
// 调用
CALL p_returndetails('白','菜','2016-09-09','2016-09-30',0,30);调用结果：
G、统计模块
1、能够统计某个时间段之内（开始时间及结束时间）各个商品类别的销售金额；（存储过程）
DROP PROCEDURE IF EXISTS p_salessum;
CREATE PROCEDURE p_salessum(starttime timestamp,endtime timestamp)
BEGIN
SELECT x.category_id,category_name,总金额 FROM
(
SELECT category_id,sum(sales_sum) 总金额 FROM tb_sales a JOIN tb_goods b ON a.goods_id=b.goods_id WHERE sales_date
BETWEEN starttime AND endtime GROUP BY b.category_id
) x
JOIN tb_category y ON x.category_id=y.category_id;
END;
// 调用
call p_salessum('2016-09-09','2016-09-30');调用结果：
2、能够统计某个时间段之内（开始时间及结束时间）各个商品类别的进货金额；（存储过程）
DROP PROCEDURE IF EXISTS p_purchasesum;
CREATE PROCEDURE p_purchasesum(starttime timestamp,endtime timestamp)
BEGIN
SELECT x.category_id,category_name,总金额 FROM
(
SELECT category_id,sum(purchase_sum) 总金额 FROM tb_purchase a JOIN tb_goods b ON a.goods_id=b.goods_id WHERE purchase_date
BETWEEN starttime AND endtime GROUP BY b.category_id
) x
JOIN tb_category y ON x.category_id=y.category_id;
END;
// 调用
call p_purchasesum('2016-09-09','2016-09-30');调用结果：
3、能够根据年份求出每个商品类别在该年内12个月的销售金额；（存储过程）
DROP PROCEDURE IF EXISTS p_yearsales;
CREATE PROCEDURE p_yearsales(inyear int)
BEGIN
SELECT x.category_id,category_name,总金额 FROM
(
SELECT category_id,sum(sales_sum) 总金额 FROM tb_sales a JOIN tb_goods b on a.goods_id=b.goods_id where DATE_FORMAT(a.sales_date,'%Y')=inyear
GROUP BY b.category_id
) x
JOIN tb_category y on x.category_id=y.category_id;
END;
// 调用
call p_yearsales(2016);调用结果：
4、能够根据年份求出每个商品类别在该年内12个月的进货金额；（存储过程）
DROP PROCEDURE IF EXISTS p_yearpurchase;
CREATE PROCEDURE p_yearpurchase(inyear int)
BEGIN
SELECT x.category_id,category_name,总金额 FROM
(
SELECT b.category_id,sum(purchase_sum) 总金额 FROM tb_purchase a JOIN tb_goods b ON a.goods_id=b.goods_id WHERE DATE_FORMAT(purchase_date,'%Y')=inyear
GROUP BY b.category_id
) x JOIN tb_category y ON x.category_id=y.category_id;
END;
// 调用
CALL p_yearpurchase(2016);调用结果：
5、能够根据进货表、销售表、退货表三表联合统计处商品的库存信息，与库存表做匹配一旦数据不对则显示该数据；（存储过程）
DROP PROCEDURE IF EXISTS p_prompt;
CREATE PROCEDURE p_prompt()
BEGIN
SELECT t.goods_id '商品编号',goods_name '商品名',purchase_num '进货量',sales_num '销售量',return_num '退货量',stock_num '应有库存',goods_number '实际库存' FROM
(
SELECT goods_id,purchase_num,sales_num,return_num,purchase_num-sales_num+return_num stock_num FROM
(
SELECT IFNULL(IFNULL(x.goods_id,y.goods_id),z.goods_id)goods_id,IFNULL(purchase_num,0)purchase_num,IFNULL(sales_num,0)sales_num,IFNULL(return_num,0)return_num from
(
SELECT goods_id,sum(purchase_num)purchase_num FROM tb_purchase GROUP BY goods_id
) x LEFT JOIN
(
SELECT goods_id,sum(sales_num)sales_num FROM tb_sales GROUP BY goods_id
) y ON x.goods_id=y.goods_id LEFT JOIN
(
SELECT goods_id,sum(return_num)return_num FROM tb_return GROUP BY goods_id
) z ON y.goods_id=z.goods_id
UNION
SELECT IFNULL(IFNULL(x.goods_id,y.goods_id),z.goods_id)goods_id,IFNULL(purchase_num,0)purchase_num,IFNULL(sales_num,0)sales_num,IFNULL(return_num,0)return_num from
(
SELECT goods_id,sum(purchase_num)purchase_num FROM tb_purchase GROUP BY goods_id
) x RIGHT JOIN
(
SELECT goods_id,sum(sales_num)sales_num FROM tb_sales GROUP BY goods_id
) y ON x.goods_id=y.goods_id RIGHT JOIN
(
SELECT goods_id,sum(return_num)return_num FROM tb_return GROUP BY goods_id
) z ON y.goods_id=z.goods_id
)x
) t JOIN tb_goods y ON t.goods_id=y.goods_id WHERE stock_num!=goods_number;
END;
// 调用
call p_prompt();调用结果：
6、求某个时间段之内各个商品类别的销售金额以及进货金额；（存储过程）
DROP PROCEDURE IF EXISTS p_profit;
CREATE PROCEDURE p_profit(starttime TIMESTAMP, endtime TIMESTAMP)
BEGIN
SELECT x.category_id,y.category_name,z.salessum,x.purchasesum,(z.salessum-x.purchasesum) profit FROM
(
SELECT category_id,sum(purchase_sum) purchasesum FROM tb_purchase a JOIN tb_goods b ON a.goods_id=b.goods_id WHERE purchase_date
BETWEEN starttime AND endtime GROUP BY b.category_id
) x,
(
SELECT category_id,sum(sales_sum) salessum FROM tb_sales a JOIN tb_goods b ON a.goods_id=b.goods_id WHERE sales_date
BETWEEN starttime AND endtime GROUP BY b.category_id
) z ,
tb_category y WHERE x.category_id=y.category_id AND z.category_id=y.category_id;
END;
// 调用
call p_profit('2016-09-09','2016-09-30');
call p_profit('2016-09-09 00:00:00','2016-09-30 00:00:00');调用结果：
备份文件：http://download.youkuaiyun.com/detail/qq_23333583/9687568
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