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77 lines
2.5 KiB
77 lines
2.5 KiB
5 years ago
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drop PROCEDURE if EXISTS details;
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CREATE PROCEDURE details(in uNum varchar(8))
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READS SQL DATA
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BEGIN
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select users.userNo 会员编号, users.name 姓名, users.level 会员等级, book.bookNo 图书编号,
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book.bookName 图书名称, year(orders.orderTime) 购买年份, orderdetails.Onumber 数量, book.price
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from users,orders,orderdetails,book
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where users.userNo = uNum
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and orders.userNo = uNum
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and orderdetails.userNo = uNum
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and orderdetails.bookNo = book.bookNo;
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END;
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call details("0000001");
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drop PROCEDURE if EXISTS createOrder;
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CREATE PROCEDURE createOrder(in uNum varchar(8))
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READS SQL DATA
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BEGIN
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declare bookMoney float(5);
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declare sNo varchar(8);
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declare oNo varchar(8);
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declare oST varchar(20);
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declare P_OrderNo varchar(50);
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declare dST varchar(10);
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declare bn varchar(20);
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declare nm int;declare i int;
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DECLARE done INT DEFAULT 0;##创建结束标志变量
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DECLARE cur cursor
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for select bookNo,num,id
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FROM shoppingcart WHERE userNo = uNum;##创建游标
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DECLARE CONTINUE HANDLER FOR NOT found SET done = 1;##定义游标结束时的返回值
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set @oST='未处理';
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SET @dST='未配送';
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-- 将会员号和时间拼接起来作为订单号
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SELECT CONCAT(uNum,NOW()) into P_OrderNo;
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-- 统计此次购买金额存到bookMoney
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select sum(num * price) into bookMoney from shoppingcart where userNo = uNum;
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-- 查询此次的购物车编号存到sNo
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select distinct(scartNo) into sNo from shoppingcart where userNo = uNum;
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-- Begin Tran
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insert into orders (userNo, orderTime, sumMoney, scartNo,orderStatus,orderNo)
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value(uNum, now(), bookMoney, sNo,@oST,P_OrderNo);
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insert into distributionlist (orderNo, userNo, deliveryStatus)
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value(P_OrderNo, uNum, '未完成配送');
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select last_insert_id() into oNo;
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-- Commit Tran
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-- 购书明细信息写入订单明细表中
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open cur; ##打开游标
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read_loop:loop
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fetch cur into bn,nm,i;
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if done = 1 then
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leave read_loop;##跳出循环
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end if;
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insert into orderdetails (orderNo, deliveryStatus, bookNo, userNo,Onumber)
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value(P_OrderNo, '未配送', bn, uNum,nm);
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end loop;
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close cur;
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DELETE FROM shoppingcart WHERE userNo = uNum;
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SELECT * FROM orderdetails;
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SELECT * from shoppingcart;
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END;
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call createOrder("0000001");
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drop PROCEDURE if EXISTS pressSales;
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CREATE PROCEDURE pressSales()
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BEGIN
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select press 出版社, sum(Onumber) 销售总数量 from orderdetails, book
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where orderdetails.bookNo = book.bookNo group by orderdetails.bookNo order by sum(Onumber);
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END;
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call pressSales();
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