学生信息管理系统python版
本文实例为大家分享了python学生信息管理系统的具体代码,供大家参考,具体内容如下
#!/usr/bin/envpython #@Time:2018/3/3017:37 #@Author:KiritoLiu #@Contact:kiritoliuyhsky@gmail.com #@Site: #@File:学生信息管理系统.py #@Software:PyCharm importpymysql importdatetime importre defCalAge(Date): #生日(年月日(数据库中的))转换为年龄 ifDate=="NULL": return"无" try: Date=Date.split('-') Birth=datetime.date(int(Date[0]),int(Date[1]),int(Date[2])) Today=datetime.date.today() if(Today.month>Birth.month): NextYear=datetime.date(Today.year+1,Birth.month,Birth.day) elif(Today.monthBirth.day): NextYear=datetime.date(Today.year+1,Birth.month,Birth.day) elif(Today.day 3}|\t{:<4}\t|{}|\t{:<3}\t\t|{:<8}|{}|{}".format("学号","姓名","性别","班级","电话","年龄","出生日期")) forvoinalist: birth=vo[5] bir=birth.strftime("%Y-%m-%d") ifbir=="1949-10-01": bir="NULL" print("{:>5}|\t{:<4}\t|{}|\t{:<10}\t|{:<11}|{}|{}".format(vo[0],vo[1],vo[2],vo[3],vo[4],CalAge(bir),bir)) db.commit() exceptExceptionaserr: db.rollback() print("SQL查看失败!错误:",err) db.close() defseeone(a): #根据学号,查看某一条数据 db=pymysql.connect(host="localhost",user="root",password="123456",db="stu",charset="utf8") #创建游标对象 cursor=db.cursor() stuid=int(a) sql="selects.sno,s.name,s.sex,s.cla,s.tel,s.birthdayfromstuswheres.sno='%d'"%stuid try: m=cursor.execute(sql) b=cursor.fetchone() ifb==None: print("您的输入有误,将会退出系统") quit() else: print("{:>3}|\t{:<4}\t|{}|\t{:<3}\t\t|{:<8}|{}|{}".format("学号","姓名","性别","班级","电话","年龄","出生日期")) birth=b[5] bir=birth.strftime("%Y-%m-%d") ifbir=="1949-10-01": bir="NULL" print("{:>5}|\t{:<4}\t|{}|\t{:<10}\t|{:<11}|{:<2}|{}".format(b[0],b[1],b[2],b[3],b[4],CalAge(bir),bir)) db.commit() exceptExceptionaserr: db.rollback() print("SQL查询失败!错误:",err) db.close() defaddmql(): #添加一条数据 db=pymysql.connect(host="localhost",user="root",password="123456",db="stu",charset="utf8") #创建游标对象 cursor=db.cursor() sql="selects.snofromstus" cursor.execute(sql) alist=cursor.fetchall()#此处读取数据库中的所有学号 blist=()#建立一个空的元组用于存放学号 print("以下学号已被占用,不可使用:") foriinalist: blist+=i#存放所有的学号 print(i[0],end="")#输出已经被使用过的学号 print() sno=int(input("请输入添加的学员的学号:\n")) ifsnoinblist:#判断学号是否被使用过,学号不可以重复 print("您输入的学号已被占用!系统即将退出!") quit() sname=input("请输入添加的学员的姓名:\n") sex=input("请输入添加的学员的性别(男or女):\n") ifsex=="男"orsex=="女": sex=sex else: sex="男" print("性别输入有误,已默认为男") cla=input("请输入添加的学员的班级(例:Python01):\n") tel=input("请输入添加的学员的电话:\n") iftel==re.search(r"(1[3456789]\d{9})",tel): tel=tel print("电话输入错误,已重置为空") else: tel="" sbir=input("请输入添加的学员的出生日期(例:2001-1-1):\n") ifsbir==re.search(r"(\d{4}-\d{1,2}-\d{1,2})",sbir): sbir=sbir else: sbir="1949-10-01" print("出生日期输入错误,已重置为初始值") sql="Insertintostu(sno,name,sex,cla,tel,birthday)values('%d','%s','%s','%s','%s','%s')"%(sno,sname,sex,cla,tel,sbir) try: m=cursor.execute(sql) #事务提交 db.commit() print("成功添加条数:",m) print("您添加的信息为:") seeone(sno) exceptExceptionaserr: db.rollback() print("SQL添加失败!错误:",err) db.close() defupdatasql(): #更新修改某条数据 db=pymysql.connect(host="localhost",user="root",password="123456",db="stu",charset="utf8") #创建游标对象 cursor=db.cursor() stuid=int(input("请输入要修改的学员的学号:\n"))#一个班不超过100人,以stuid作为索引 try: seeone(stuid) print("======可修改的学员信息的名称======") print("{0:2}{1:5}{2:5}{3:5}".format("","1.姓名","2.性别","3.班级")) print("{0:2}{1:5}{2}".format("","4.电话","5.出生日期")) a=int(input("请选择要修改的学员信息的名称(学号不可修改):\n")) ifa==1: xm=input("请输入修改后的姓名:\n") sql="UPDATEstusSETs.name='%s'WHEREs.sno='%d'"%(xm,stuid) elifa==2: xb=input("请输入修改后的性别(男or女):\n") ifxb=="男"orxb=="女": xb=xb else: xb="男" print("性别输入有误,已默认为男") sql="UPDATEstusSETs.sex='%s'WHEREs.sno='%d'"%(xb,stuid) elifa==3: bj=input("请输入修改后的班级:\n") sql="UPDATEstusSETs.cla='%s'WHEREs.sno='%d'"%(bj,stuid) elifa==4: dh=input("请输入修改后的电话:\n") sql="UPDATEstusSETs.tel='%s'WHEREs.sno='%d'"%(dh,stuid) ifdh==re.search(r"(1[3456789]\d{9})",dh): '''正则表达式匹配判断输入是否合格''' dh=dh else: dh="" print("电话输入错误,已重置为空") elifa==5: birday=input("请输入修改后的出生日期(格式:2000-1-1):") ifbirday==re.search(r"(\d{4}-\d{1,2}-\d{1,2})",birday): '''正则表达式匹配判断输入是否合格''' birday=birday else: birday="1949-10-01" print("出生日期输入错误,已重置为初始值") sql="UPDATEstusSETs.birthday='%s'WHEREs.sno='%d'"%(birday,stuid) else: print("您的输入有误,将会退出!")#此处退出防止某些误操作导致的数据库数据泄露 quit() cursor.execute(sql) db.commit() print("修改后的该学员信息为:") seeone(stuid) exceptExceptionaserr: db.rollback() print("SQL修改失败!错误:",err) db.close() defdelsql(): #删除某条学生数据 db=pymysql.connect(host="localhost",user="root",password="123456",db="stu",charset="utf8") #创建游标对象 cursor=db.cursor() stuid=int(input("请输入要删除的学员的学号:\n"))#一个班不超过100人,以stuid作为索引 try: print("======即将删除的学员信息的名称======") seeone(stuid) a=input("请确认是否删除该学员信息(y/n):\n") ifa=='y'ora=='Y': sql="deletefromstuwheresno='%d'"%(stuid) cursor.execute(sql) else: print("取消学员信息删除,即将退出系统") quit() db.commit() print("该学员信息已删除") exceptExceptionaserr: db.rollback() print("SQL删除失败!错误:",err) db.close() defmainstu(): whileTrue: #输出初始界面 print("="*12,"学员信息管理系统","="*15) print("{0:2}{1:13}{2:15}".format("","1.查看学员信息","2.添加学员信息")) print("{0:2}{1:13}{2:15}".format("","3.修改学员信息","4.删除学员信息")) print("{0:2}{1:13}".format("","5.退出系统")) print("="*45) key=int(input("请输入对应的选择:\n")) #根据键盘值判断并进行操作 ifkey==1: print("="*12,"学员信息浏览","="*15) seesql() input("按回车继续") elifkey==2: print("="*12,"学员信息添加","="*15) addmql() input("按回车继续") elifkey==3: print("="*12,"学员信息修改","="*15) seesql() updatasql() input("按回车继续") elifkey==4: print("="*12,"学员信息删除","="*15) seesql() delsql() input("按回车继续") elifkey==5: print("="*12,"再见","="*12) quit() else: print("="*12,"您的输入有误,请重新输入","="*12) mainstu()
配套的数据库文件,内含数据
--MySQLdump10.13Distrib5.7.12,forWin64(x86_64) -- --Host:localhostDatabase:stu -------------------------------------------------------- --Serverversion5.7.17-log /*!40101SET@OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT*/; /*!40101SET@OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS*/; /*!40101SET@OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION*/; /*!40101SETNAMESutf8*/; /*!40103SET@OLD_TIME_ZONE=@@TIME_ZONE*/; /*!40103SETTIME_ZONE='+00:00'*/; /*!40014SET@OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS,UNIQUE_CHECKS=0*/; /*!40014SET@OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS,FOREIGN_KEY_CHECKS=0*/; /*!40101SET@OLD_SQL_MODE=@@SQL_MODE,SQL_MODE='NO_AUTO_VALUE_ON_ZERO'*/; /*!40111SET@OLD_SQL_NOTES=@@SQL_NOTES,SQL_NOTES=0*/; -- --Tablestructurefortable`stu` -- DROPTABLEIFEXISTS`stu`; /*!40101SET@saved_cs_client=@@character_set_client*/; /*!40101SETcharacter_set_client=utf8*/; CREATETABLE`stu`( `id`int(3)NOTNULLAUTO_INCREMENT, `sno`int(3)NOTNULL, `name`varchar(20)NOTNULL, `sex`varchar(1)NOTNULL, `cla`varchar(10)NOTNULL, `tel`varchar(11)DEFAULTNULL, `birthday`datetimeDEFAULTNULL, PRIMARYKEY(`id`), UNIQUEKEY`stu_no_UNIQUE`(`sno`) )ENGINE=InnoDBAUTO_INCREMENT=32DEFAULTCHARSET=utf8; /*!40101SETcharacter_set_client=@saved_cs_client*/; -- --Dumpingdatafortable`stu` -- LOCKTABLES`stu`WRITE; /*!40000ALTERTABLE`stu`DISABLEKEYS*/; INSERTINTO`stu`VALUES(1,1,'张三','男','Python01','12345678910','1999-01-0100:00:00'),(2,2,'李四','男','Python01','18866668888','1996-12-0600:00:00'),(3,3,'王五','男','Python02','12345665410','1996-11-2700:00:00'),(4,4,'赵六','女','Python02','12332233210','1997-10-2400:00:00'),(5,5,'qq01','女','Python03','13322223322','1990-01-3100:00:00'),(6,6,'qq02','男','Python03','12288886666','1992-02-2000:00:00'),(7,7,'qq03','女','Python03','13579264801','2000-10-3000:00:00'),(8,8,'uu01','男','Python01','18898084886','1998-08-0800:00:00'),(9,9,'uu02','女','Python02','12022000022','1994-04-0100:00:00'),(10,10,'aa','女','Python02','18899998888','2004-04-0400:00:00'),(11,11,'bb','男','Python03','19264664234','1995-05-1500:00:00'),(25,12,'uu10','男','Python04','17788992332','1996-12-0600:00:00'),(28,13,'uu10','女','Python04','13571854999','1996-12-0600:00:00'); /*!40000ALTERTABLE`stu`ENABLEKEYS*/; UNLOCKTABLES; -- --Dumpingeventsfordatabase'stu' -- -- --Dumpingroutinesfordatabase'stu' -- /*!40103SETTIME_ZONE=@OLD_TIME_ZONE*/; /*!40101SETSQL_MODE=@OLD_SQL_MODE*/; /*!40014SETFOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS*/; /*!40014SETUNIQUE_CHECKS=@OLD_UNIQUE_CHECKS*/; /*!40101SETCHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT*/; /*!40101SETCHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS*/; /*!40101SETCOLLATION_CONNECTION=@OLD_COLLATION_CONNECTION*/; /*!40111SETSQL_NOTES=@OLD_SQL_NOTES*/; --Dumpcompletedon2018-03-3115:10:58
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