• SQL Server 中存储过程的练习


    
    
    建库建表建约束
    插入数据

    --建库建表建约束和插入测试数据

    use bankDB
    go

    --1.完成存款,取款业务
    --存款

    create proc usp_takeMoney
    @takeType nvarchar(2),@Money money,@cardID char(19),@pass char(6)=null,@remark text =null
    as
    print '交易正在进行,请稍后......'
    if((select COUNT(1) from cardInfo where cardID=@cardID)=0)
    begin
        raiserror('卡号不存在!',16,1)
    end
    else
    --开始事务处理
    begin
        --存款
        if(@takeType='存入')
        begin
            declare @errorSum int
            set @errorSum=0
            begin tran
            insert into tradeInfo values(GETDATE(),'存入',@cardID,@Money,@remark)
            set @errorSum+=@@ERROR 
            update cardInfo set balance+=@Money where cardID=@cardID
            set @errorSum+=@@ERROR
            if(@errorSum<>0)
            begin
                rollback tran
                raiserror('交易失败,未知错误!',16,1)
            end
            else
            begin
                commit tran
                print '交易成功!交易金额:'+convert(nvarchar,@Money)
            end
        end
        --取款
        else
        begin
            if(@pass=(select pass from cardInfo where cardID=@cardID))
            begin
                if((select balance from cardInfo where cardID=@cardID)>@Money)
                begin
                    declare @errorSum2 int
                    set @errorSum2=0
                    begin tran
                    insert into tradeInfo values(GETDATE(),'支取',@cardID,@Money,@remark)
                    set @errorSum2+=@@ERROR
                    update cardInfo set balance-=@Money where cardID=@cardID
                    set @errorSum2+=@@ERROR
                    if(@errorSum2<>0)
                    begin
                        rollback tran
                        raiserror('交易失败!未知错误!',16,1)
                    end
                    else
                    begin
                        commit tran
                        print '交易成功!交易金额:'+convert(nvarchar,@Money)
                    end
                end
                else
                begin
                    raiserror('交易失败!余额不足!',16,1)
                end    
            end
            else
            begin
                raiserror('密码不正确!请检查重输',16,1)
            end
        end
    end
    go

    --检查调用存储过程

    exec usp_takeMoney '取出',600,'1010 3576 1234 5678',888888
    exec usp_takeMoney '存入',500,'1010 3576 1234 5678',default,'定期存入'
    go

    --****************************************************************************************************************************************************
    --2.产生随机卡号

    create proc usp_randCardID
    @randCardID char(19) output
    as
    declare @r numeric(15,8),@tempR varchar(10)
    select @r=rand(datepart(mm,getdate())*100000+datepart(ss,getdate())*1000+datepart(ms,getdate()))
    set @tempR=convert(char(10),@r)
    set @randCardID='1010 3576 '+SUBSTRING(@tempR,3,4)+' '+SUBSTRING(@tempR,7,4)
    go

    -调用随机卡号存储过程

    declare @A varchar(19)
    exec usp_randCardID @A output
    print @A
    go

    --****************************************************************************************************************************************************
    --3.完成开户业务

    create proc usp_openAccount
    @name char(8),@identityID char(18),@telPhone char(20),@Money money,@savingName varchar(20),@address varchar(50)=null
    as
    --判定是否存在输入的存款类型
    declare @savingID int,@cardID char(19),@openDate datetime,@openMoney money
    if exists(select COUNT(1) from Deposit where savingName=@savingName)
    begin
        --将存款类型标号赋值给变量
        select @savingID=(select savingID from Deposit where savingName=@savingName)
        --调用随机卡号存储过程,获取随机卡号
        exec usp_randCardID @cardID output
        declare @errorSum int,@identity int
        set @errorSum=0
        --启动事务
        begin tran
        --向客户表添加数据
        insert into userInfo values(@name,@identityID,@telPhone,@address)
        set @identity=@@IDENTITY
        set @errorSum+=@@ERROR
        --并获取当前日期,传出开户金额参数
        set @openDate=GETDATE()
        set @openMoney=@Money
        --向银行卡信息表添加数据
        insert into cardInfo values(@cardID,'RMB',@savingID,@openDate,@openMoney,@Money,'123456',0,@identity)
        set @errorSum+=@@ERROR
        if(@errorSum<>0)
        begin
            rollback tran
            raiserror('添加客户失败!未知错误!',16,1)
        end
        else
        begin
            commit tran
            print '尊敬的客户,开户成功!系统为您产生的随机卡号为:'+@cardID+'卡户日期:'+convert(varchar,@openDate)+'开户金额:'+convert(nvarchar,@openMoney)
        end
    end
    else
    begin
        raiserror('存款类型不存在!',16,1)
    end
    go

    --调用存储过程

    exec usp_openAccount '王老五','334456889012678','2222-63598978',1000,'活期','河南新乡'
    exec usp_openAccount '赵小二','213445678912342222','0760-44446666',1,'定期一年'
    go

    --****************************************************************************************************************************************************
    --4.分页显示查询交易数据

    create proc usp_pagingDisplay
    @page int,@count int
    as
    select tradeDate, tradeType, cardID, tradeMoney, remark from (
        select *,ROW_NUMBER() over(order by tradeDate) as myid
        from tradeInfo
    )as new
    where myid between (@page-1)*@count+1 and @page*@count
    go

    --调用存储过程

    exec usp_pagingDisplay 4,2
    go

    --****************************************************************************************************************************************************
    --5.打印客户对账单

    create proc usp_CheckSheet
    @cardID char(19),@beginTime datetime=null,@endTime datetime=null
    as
    declare @minDate datetime,@maxDate datetime
    select @minDate=MIN(tradedate) from tradeInfo where cardID=@cardID
    select @maxDate=MAX(tradedate) from tradeInfo where cardID=@cardID
    select * from tradeInfo where cardID=@cardID
    and tradeDate between(
        case
            when @beginTime IS NULL then @minDate
            when @beginTime is not null then @beginTime
        end
    )and(
        case
            when @endTime IS NULL then @maxDate
            when @endTime is not null then @endTime
        end
    )
    go

    --调用存储过程

    exec usp_CheckSheet '1010 3576 1234 5678','2016-08-14 09:59:31.793','2016-08-16 10:00:13.913'
    go

    --****************************************************************************************************************************************************
    --6.统计未发生交易的账户

    create proc usp_getWithoutTrade
    @beginTime datetime =null,@endTime datetime=null
    as
    --指定时间没发生交易的客户记录
    select * from userInfo 
    where customerID in (
        select customerID from cardInfo
        where cardID not in(
            select cardID from tradeInfo
            where tradeDate between(
                case
                    when @beginTime IS NULL then convert(datetime,datename(yy,getdate())+'.'+datename(mm,getdate())+'.'+'01')
                    when @beginTime is not null then @beginTime
                end
            )and(
                case
                    when @endTime IS NULL then GETDATE()
                    when @endTime is not null then @endTime
                end
            )
        )
    )
    declare @peopNum int ,@moneySum money
    select @peopNum=COUNT(1) from userInfo 
    where customerID in (
        select customerID from cardInfo
        where cardID not in(
            select cardID from tradeInfo
            where tradeDate between(
                case
                    when @beginTime IS NULL then convert(datetime,datename(yy,getdate())+'.'+datename(mm,getdate())+'.'+'01')
                    when @beginTime is not null then @beginTime
                end
            )and(
                case
                    when @endTime IS NULL then GETDATE()
                    when @endTime is not null then @endTime
                end
            )
        )
    )
    select @moneySum=SUM(balance) from cardInfo
    where cardID not in(
        select cardID from tradeInfo
        where tradeDate between(
            case
                when @beginTime IS NULL then convert(datetime,datename(yy,getdate())+'.'+datename(mm,getdate())+'.'+'01')
                when @beginTime is not null then @beginTime
            end
        )and(
            case
                when @endTime IS NULL then GETDATE()
                when @endTime is not null then @endTime
            end
        )
    )
    print '统计未发生交易的客户'
    print '--------------------------------------------'
    print '客户人数:'+convert(char,@peopNum)+'    客户总余额:'+convert(varchar,@moneySum)
    go

    --调用存储记录

    exec usp_getWithoutTrade '2016-08-16 09:58:36.720','2016-08-16 09:59:40.940'
    go

    --****************************************************************************************************************************************************
    --统计银行卡交易量和交易额

    create proc usp_getTradeInfo
    @address nvarchar(50),@beginTime datetime=null,@endTime datetime=null
    as
    declare @insertCount int,@insertSum money,@outCount int,@outSum money
    --存入客户人数
    select @insertCount=COUNT(1) from tradeInfo
    where tradeType='存入'
    and cardID in(
        select cardID from cardInfo
        where customerID in(
            select customerID from userInfo
            where address like '%'+@address+'%'
        )
    )and tradeDate between(
        case
            when @beginTime IS NULL then convert(datetime,datename(yy,getdate())+'.'+'01'+'.'+'01')
            when @beginTime is not null then @beginTime
        end
    )and(
        case
            when @endTime IS NULL then GETDATE()
            when @endTime is not null then @endTime
        end
    )
    --存入金额总量
    select @insertSum=SUM(tradeMoney) from tradeInfo
    where tradeType='存入'
    and cardID in(
        select cardID from cardInfo
        where customerID in(
            select customerID from userInfo
            where address like '%'+@address+'%'
        )
    )and tradeDate between(
        case
            when @beginTime IS NULL then convert(datetime,datename(yy,getdate())+'.'+'01'+'.'+'01')
            when @beginTime is not null then @beginTime
        end
    )and(
        case
            when @endTime IS NULL then GETDATE()
            when @endTime is not null then @endTime
        end
    )
    --存入客户人数
    select @outCount=count(1) from tradeInfo
    where tradeType='支取'
    and cardID in(
        select cardID from cardInfo
        where customerID in(
            select customerID from userInfo
            where address like '%'+@address+'%'
        )
    )and tradeDate between(
        case
            when @beginTime IS NULL then convert(datetime,datename(yy,getdate())+'.'+'01'+'.'+'01')
            when @beginTime is not null then @beginTime
        end
    )and(
        case
            when @endTime IS NULL then GETDATE()
            when @endTime is not null then @endTime
        end
    )
    --存入金额总量
    select @outSum=SUM(tradeMoney) from tradeInfo
    where tradeType='支取'
    and cardID in(
        select cardID from cardInfo
        where customerID in(
            select customerID from userInfo
            where address like '%'+@address+'%'
        )
    )and tradeDate between(
        case
            when @beginTime IS NULL then convert(datetime,datename(yy,getdate())+'.'+'01'+'.'+'01')
            when @beginTime is not null then @beginTime
        end
    )and(
        case
            when @endTime IS NULL then GETDATE()
            when @endTime is not null then @endTime
        end
    )
    print '存入笔数:'+convert(varchar,@insertCount)+'   '+'存入金额:'+convert(varchar,@insertSum)
    print '支取笔数:'+convert(varchar,@outCount)+'   '+'支取金额:'+convert(varchar,@outSum)
    go

    --调用存储过程

    exec usp_getTradeInfo '北京'
    go

    --****************************************************************************************************************************************************
    --利用事务实现较复杂的数据更新

    create proc usp_tradefer
    @outCardID char(19),@pass char(6),@insertCardId char(19),@tradeMoney money,@remark text=null
    as
    if(@pass<>(select pass from cardInfo where cardID=@outCardID))
    begin
        raiserror('密码错误!',16,1)
        return
    end
    print '开始转账,请稍候......'
    print '交易正在进行,请稍候......'
    declare @errorSum int,@dateTime datetime
    set @errorSum=0
    set @dateTime=GETDATE()
    begin tran
    update cardInfo set balance-=@tradeMoney where cardID=@outCardID
    set @errorSum+=@@ERROR
    insert into tradeInfo values (@dateTime,'支取',@outCardID,@tradeMoney,@remark)
    set @errorSum+=@@ERROR
    update cardInfo set balance+=@tradeMoney where cardID=@insertCardId
    set @errorSum+=@@ERROR
    insert into tradeInfo values (@dateTime,'存入',@insertCardId,@tradeMoney,@remark)
    set @errorSum+=@@ERROR
    if(@errorSum<>0)
    begin 
        rollback tran
        raiserror('转账失败!未知错误',16,1)
    end
    else
    begin
        commit tran
        declare @balance money
        select @balance=balance from cardInfo where cardId=@outCardId
        print '交易成功!交易金额:'+convert(varchar,@tradeMoney)
        print '转出卡号:'+@outCardId+'   '+'余额:'+convert(varchar,@balance)
        print '转入卡号:'+@insertCardId
        select * from tradeInfo where cardID=@outCardID and tradeDate=@dateTime
        select * from tradeInfo where cardID=@insertCardId and tradeDate=@dateTime
    end

    --调用存储方法

    exec usp_tradefer '1010 3576 1212 1004','888888','1010 3576 1212 1130',500
    select * from cardInfo
  • 相关阅读:
    JSP源码、改写Servlet为JSP、查看转译成为Servlet的文件、JSP字符编码设置
    使用Tomcat部署应用
    缓冲与缓存
    过滤器及请求封装器实现字符编码
    过滤器与请求封装器实现字符替换
    过滤器
    与请求相关的监听器
    区块链简介
    https协议简介
    http协议简介
  • 原文地址:https://www.cnblogs.com/who-else/p/5779521.html
Copyright © 2020-2023  润新知