C语言课设学生信息管理系统Word下载.docx
《C语言课设学生信息管理系统Word下载.docx》由会员分享，可在线阅读，更多相关《C语言课设学生信息管理系统Word下载.docx（15页珍藏版）》请在冰豆网上搜索。
stdlib.h>
conio.h>
main（）
{structstud*head;
structstud*creat（void）;
voiddisplay（structstud*head）;
structstud*dele（structstud*head）;
structstud*add（structstud*head）;
structstud*modify（structstud*head）;
voidsearch（structstud*head）;
voidsave（structstud*head）;
structstud*sort（structstud*head）;
structstud*load（）;
charch;
head=NULL;
for（;
;
）
{clrscr（）;
/*清屏函数*/
printf（“\n\n\t\tWelcometostudentinformationmanagementsystem”）;
printf（“\n\n\t**************************************************************”）;
printf（“\n\t\t\t1:
Entertheinformation”）;
printf（“\n\t\t\t2:
Listtheinformation”）;
printf（“\n\t\t\t3:
Deletetheinformation”）;
printf（“\n\t\t\t4:
Addtheinformation”）;
printf（“\n\t\t\t5:
Modifytheinformation”）;
printf（“\n\t\t\t6:
Searchtheinformation”）;
printf（“\n\t\t\t7:
Sorttheinformation”）;
printf（“\n\t\t\t8:
Savetheinformation”）;
printf（“\n\t\t\t9:
Loadtheinformation”）;
printf（“\n\t\t\t0:
Exit“）;
printf（“\n\t\t\tEnteryourchoice:
”）;
fflush（stdin）;
ch=getchar（）;
getchar（）;
switch（ch）
{
case‘1’:
head=creat（）;
break;
case‘2’:
display（head）;
system（“pause”）;
break;
case‘3’:
head=dele（head）;
case‘4’:
head=add（head）;
case‘5’:
head=modify（head）;
case‘6’:
search（head）;
case‘7’:
head=sort（head）;
case‘8’:
save（head）;
case‘9’:
head=load（）;
case‘0’:
return;
default:
clrscr（）;
printf（“\n\tError!
Pleasecheckyourinput\n\n”）;
}}
}
structstud*creat（void）/*链表的创建*/
{structstud*head,*p1;
clrscr（）;
p1=（structstud*）malloc（sizeof（structstud））;
printf（“\tentername:
gets（p1->
name）;
printf（“\tenternumber:
scanf（“%ld”,&
p1->
num）;
printf（“\tenterage:
scanf（“%d”,&
age）;
printf（“\tentersex:
fflush（stdin）;
scanf（“%c”,&
sex）;
printf（“\tenterMathscore:
scanf（“%d”,&
score[0]）;
printf（“\tenterEnglishscore:
score[1]）;
printf（“\tenterCscore:
score[2]）;
printf（“\tentertelephonenumber:
gets（p1->
tele）;
head=p1;
next=NULL;
do{printf（“\n\tDOYOUWANTTOCONTINUE?
YorN?
printf（“\n\tEnteryourchoise:
ch=getchar（）;
if（ch==’y’||ch==’Y’）
elseif（ch!
=’N’&
&
ch!
=’n’）
{printf（“\n\tError!
Pleasecheckyourinput”）;
ch=’y’;
}while（ch==’y’||ch==’Y’）;
return（head）;
structstud*dele（structstud*head）/*链表的删除*/
{structstud*p1,*p2;
intchoose;
longdelnum;
charname[20];
printf（“\n\t\tChoosethewayyouwant”）;
printf（“\n\t1:
Accordingtoname\n“）;
printf（“\n\t2:
Accordingtonum\n”）;
printf（“\n\tEnteryourchoice:
choose）;
if（choose==1）
{printf（“\n\tEnterthename:
gets（name）;
if（head==NULL）{printf（“\t\nNoinformation!
\n”）;
}p1=head;
while（strcmp（name,p1->
name）!
=0&
next!
=NULL）
{p2=p1;
p1=p1->
next;
if（strcmp（name,p1->
name）==0）
{if（p1==head）head=p1->
elsep2->
next=p1->
printf（“\tDeleteSuccessed!
\n\n”）;
elseprintf（“\tNotbeenfind!
elseif（choose==2）
{printf（“\n\tEnterthenumber:
delnum）;
if（head==NULL）{printf（“\nNoinformation!
while（delnum!
=p1->
num&
if（delnum==p1->
num）
else{printf（“\n\tError!
voiddisplay（structstud*head）
{structstud*p;
p=head;
if（head==NULL）
printf（“\n\tNoinformation\n\n”）;
else{printf（“name\tnumber\tage\tsex\tMath\tEnglish\tC\ttelephonenumber\n”）;
do
{
printf（“%s\t%ld\t%d\t%c\t%d\t%d\t%d\t%s\n”,p->
name,p->
num,p->
age,p->
sex,p->
score[0],p->
score[1],p->
score[2],p->
p=p->
while（p!
=NULL）;
structstud*add（structstud*head）/*链表的插入*/
{structstud*p1,*p2,*p0;
p0=（structstud*）malloc（sizeof（structstud））;
printf（“\n\t\tInputtheinformation:
printf（“\n\t\tname:
gets（p0->
printf（“\t\tnumber:
p0->
printf（“\t\tage:
printf（“\t\tsex:
printf（“\t\tMathscore:
printf（“\t\tEnglishscore:
printf（“\t\tCscore:
printf（“\t\ttelephonenumber:
p1=head;
{head=p0;
else
{while（p0->
num>
{p2=p1,
if（p0->
num<
{if（head==p1）head=p0;
next=p0;
next=p1;
else{p1->
}}
structstud*modify（structstud*head）/*链表的修改*/
printf（“\n\tInputthestudent’sname:
while（strcmp（p0->
name,p1->
if（strcmp（p0->
{printf（“name\tnumber\tage\tsex\tMath\tEnglish\tC\ttelephonenumber\n”）;
printf（“%s\t%ld\t%d\t%c\t%d\t%d\t%d\t%s\n”,p1->
num,p1->
age,p1->
sex,p1->
score[0],p1->
score[1],p1->
score[2],p1->
if（p1==head）head=p1->
elsep2->
printf（“\tNewinformation:
number:
scanf（“%ld”,&
printf（“\t\t\tage:
printf（“\t\t\tsex:
scanf（“%c”,&
printf（“\t\t\tMathscore:
printf（“\t\t\tEnglishscore:
printf（“\t\t\tCscore:
printf（“\t\t\ttelephonenumber:
gets（p0->
p1=head;
if（head==NULL）
printf（“ModifySuccessed!
elseprintf（“Notbeenfind!
voidsearch（structstud*head）/*查询链表*/
{printf（“\n\tenterthename:
if（head==NULL）{printf（“\t\nNoinformation!
{p=head;
while（strcmp（name,p->
p->
{p=p->
if（strcmp（name,p->
elseprintf（“Notbeenfind!
{printf（“\n\tEnterthenumber:
if（head==NULL）{printf（“\nNoinformation!
while（num!
=p->
if（num==p->
elseprintf（“\n\tError!
structstud*sort（structstud*head）
structstud*first;
structstud*t;
structstud*p;
structstud*q;
intch;
AccordingtoMath:
AccordingtoEnglish\n”）;
printf（“\n\t3:
AccordingtoC\n”）;
ch）;
first=head->
head->
next=NULL;
while（first!
=NULL）
{for（t=first,q=head;
（（q!
=NULL）&
（q->
score[ch-1]>
t->
score[ch-1]））;
p=q,q=q->
next）;
first=first->
if（q==head）
head=t;
{p->
next=t;
next=q;
printf（“\n\t\tSuccess!
returnhead;
voidsave（structstud*head）/*保存链表*/
{FILE*fp;
charfilename[20];
printf（“\n\ninputthefilename:
“）;
gets（filename）;
if（（fp=fopen（filename,”w”））==NULL）
{printf（“Savefile%serror!
Typeitagain.\n\n”,filename）;
exit（0）;
{fprintf（fp,”%s\t”,p->
fprintf（fp,”%ld\t”,p->
fprintf（fp,”%d\t”,p->
fprintf（fp,”%c\t”,p->
fprintf（fp,”%s\t\n”,p->
fclose（fp）;
structstud*load（）/*链表的导入*/
structstud*head,*p1,*p2;
if（（fp=fopen（filename,”r”））==NULL）
{printf（“Loadfile%serror!
if（!
feof（fp））
{head=（structstud*）malloc（sizeof（structstud））;
fscanf（fp,”%s\t”,&
fscanf（fp,”%ld\t”,&
fscanf（fp,”%d\t”,&
fscanf（fp,”%c\t”,&
fscanf（fp,”
升级会员 