C语言数据库-学生成绩统计管理系统

1、学生成绩统计管理系统C 语言数据结构课程作品 指导老师 : 学生: 学号: 班级:、代码#includestdafx 、h#include#include#include#include#include#include#includestruct gradeint score;struct grade *next;/* 定义成绩的结构 */struct addresschar stu_num4; /* 学号 */ char hname10;/* 性别 */char ename20; /* 姓名 */ char depart30; /* 系别 */ char paddress30; /* 地址

2、*/ char phone13 /* 联系电话 */ ; struct grade *head;struct address *next; ;void loaddata ( struct address *had); void printm ( struct address *head); struct address * seek ( struct address *head);void revise ( structvoid delate ( structvoid saveda ( structvoid addnew ( structaddress *hp); address *head)

3、; address *tou ); address *had );void moveg ( int i, struct grade *move);void gotoxy( int x, int y); void sortp( struct address *head);int main ( void )char ch;int c;struct address *head=NULL; loaddata(&head);dosystem( cls );printf( n );printf( 学生信息与成绩统计 :n );printf( 岳鹏程制作 n );printf( =);n printf( I

4、I Menu:II n);printf( II 1:print all the personal information、II n);printf( I 2:insert some or one person 、I n );printf( I 3:revire someinformation 、I n );printf( I 4:delate some information or a person 、I n );printf(I 5:exit 、I n );printf( =);nprintf( tInput :);doscanf(%d,&c);getchar( ); while (c6);

5、switch ( c )case 1: printm(head);break; case 2: addnew(&head);break; case 3:revise(head); break; case 4: delate(&head); break;break;case 5:return 0; default : break;fflush(stdin););printf( continue or not: input y or nn ch=getchar( ); saveda(head); while (ch=y |ch= Y );return 0;void loaddata ( struc

6、t address *had )FILE *afhead;FILE *gfhead;struct address *p1,*hp1=NULL,*head=NULL;struct grade *p2 , *hp2 = NULL;int i=0;int j=6;if ( !(afhead = fopen( d:information 、dat ,rb )return ;if ( !(gfhead = fopen( d:grade 、dat , rb ) )return ;while (!feof(afhead)p1 = ( struct address *)malloc( sizeof ( str

7、uct address); fread(p1, sizeof ( struct address),1,afhead);if (feof(afhead)if (!p1)free(p1);break ;if (i=0)p1-next = NULL;p1-head = NULL;head = p1;hp1 = p1;i+; /* 使头指针指向第一个创建的节点 */ elsep1-next = NULL;p1-head = NULL;hp1-next = p1;hp1 = hp1-next;*had = head;p1 = *had;/* 成绩就是后进先出 */while (!feof(gfhead)

8、dop2=( struct grade *)malloc( sizeof ( struct grade);fread(p2, sizeof ( struct grade),1,gfhead);p2-next = hp2;hp2 = p2;j -; while ( j 0 );if ( !feof(gfhead) & p1 != NULL)p1 - head = hp2;p1 = p1 - next;fclose(afhead);fclose(gfhead);void printm ( struct address *head)int i=0 , j;float iscore;struct gr

9、ade *ghd=NULL;struct address *hd=NULL;hd = head;system( cls );if (hd=NULL)printf(tt= No sourse in the file! =);return ;while (hd != NULL)gotoxy(1,i+1);printf( =n );for (j=0;jstu_num); Name-spelling: %s, hd-ename );Sex:%s , hd-hname );Department: %s , hd-depart);Address: %s , hd-paddress); Phone numm

10、ber: %sn , hd-phone);printf(n);printf( tHisHer score is : n);ghd=hd-head;printf( name 地理 生物 物理 英语 数学 语文 n );printf( %s ,hd-ename);while ( ghd != NULL )printf( %dt, ghd-score);iscore += ghd - score;ghd = ghd-next;printf( n );hd = hd-next;i = i + 10;void delate ( struct address *head)char cinput20;str

11、uct address *PRE,*TARGE;TARGE = (*head);if (!TARGE)printf( = No any information! );return ;fflush(stdin);printf( Input the name or student nummber you want to delate:t);scanf( %s , cinput);while (stricmp(cinput, TARGE-stu_num)&stricmp(cinput ,TARGE-ename)& TARGE != NULL)PRE = TARGE;TARGE=TARGE-next;

12、if (TARGE = NULL)printf( = No this information! =n ); return ;if (TARGE = (*head) )(*head) = (*head) - next;return ;else PRE-next = TARGE-next;if (!TARGE) free(TARGE);/* 修改信息void revise ( struct address *head)int ch;char cinput20;char choice;struct address *TARGE = NULL;struct grade *move;do system(

13、 cls );printf( Input the name or student nummber you want to delate:t);fflush(stdin);scanf( %s , cinput);TARGE = head;while (stricmp( cinput, TARGE-stu_num) &stricmp(cinput ,TARGE-ename) & TARGE != NULL)TARGE = TARGE-next;if (TARGE = NULL) return ;printf(input the command:n1-revise the sex;tt);print

14、f( 2-revise the ename;n3-revise the studentnummber;ttprintf(printf(printf(printf(printf(fflush( stdin);do%d,&ch); while (ch12|chrevise the depart;n5-revise the address;tt 6-revise the phonen7-revise the geography;tt 8- 、revise the biologyn9-revise the physics;tt 10-revise the english;n11-revise the

15、maths ;tt 12-to revise the chinese、 n );););););case 1 : printf( scanf(IIenter the your sex male or female :n %s , TARGE-hname););break ;case 2 :printf(scanf(IIenter the name in Spell:n %s , TARGE-ename););break ;case 3 :printf(scanf(IIenter the Student nummer:n %s , &TARGE-stu_num);II);break ;case

16、4 :printf(scanf(IIinput your Department:n %s , TARGE-depart););break ;case 5 :printf(scanf(IIinput your present Address:n %s , TARGE-paddress);II);break ;case 6 :printf(scanf(IIinput your mobie nummer:n %s , TARGE-phone););break ;case 7 :printf(scanf(IIinput your geography scoren %d , &(move-score);

17、);break ;case 8 : moveg (8, &move); printf(input your biology scorenscanf( %d , &(move-score););break ;case 9 : moveg (9, &move); printf(input your physics score:n);scanf( %d , &(move-score);break ;case 10: moveg (10, &move); printf(input your english score:n);scanf( %d , &(move-score);break ;case 1

18、1: moveg (11, &move); printf(input your maths score:n);scanf( %d , &(move-score);break ;case 12: moveg (12, &move); printf(input your chinese score:n);scanf( %d , &(move-score); move=move-next;break ; default : ; fflush(stdin);printf( if you want to revise other detail formation input yn ); scanf( %

19、c , &choice); while (choice = y | choice = Y );void moveg ( int i, struct grade *move)for (i = i - 7; i 0; i-)( *move ) = ( *move ) - next; /* 删除原来的记录并保存现在的 ok! void saveda ( struct address *tou)FILE *afhead , *gfhead; struct grade *gcu; struct address *tail = tou;if (afhead = fopen( d:information 、

20、dat , wb ) = NULL)printf( !n );return ;if (gfhead = fopen( d:grade、dat , wb ) = NULL)printf( !n );return ;/* 打开保存数据的文件 */while (tail != NULL)fwrite(tail , sizeof ( struct address) , 1 , afhead); gcu = tail - head;while (gcu != NULL)fwrite(gcu , sizeof ( struct grade) , 1 , gfhead); gcu = gcu - next;

21、tail = tail - next;fclose(afhead);fclose(gfhead);void addnew ( struct address *head )struct address *phead = NULL , *pTempNode = NULL; struct grade *gh = NULL;pTempNode=( struct address *)malloc( sizeof ( struct address);printf(input num (stu_num);printf(input your sex male or female: );scanf(%s , p

22、TempNode-hname);printf(input name in spelling: );scanf(%s , pTempNode-ename);printf(input your department: );scanf(%s , pTempNode-depart);printf(input your address: );scanf(%s , pTempNode-paddress);printf(input your phone nummber: );scanf(%s , pTempNode-phone);pTempNode - next = NULL;pTempNode - hea

23、d = NULL;fflush(stdin);printf(input chinese: );pTempNode-head = ( struct grade *)malloc( sizeof ( struct grade);scanf( %d , &pTempNode-head-score);gh = pTempNode-head; printf( input maths score: );gh - next = (struct grade *)malloc(gh = gh - next;scanf( %d , &gh - score);printf(input English score: );gh-next = (struct grade *