C语言数据库-学生成绩统计管理系统
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:
C语言数据库-学生成绩统计管理系统
一、代码
#include \、h\#include
int score;
struct grade *next;
}; /*定义成绩的结构*/ struct address{ char stu_num[4]; /*学号*/ char hname[10]; /*性别*/ char ename[20]; /*姓名*/ char depart[30]; /*系别*/ char paddress[30]; /*地址*/ char phone[13] /*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 (struct address *hp); void delate (struct address **head); void saveda (struct address *tou ); void addnew (struct 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); do {
system(\);
C语言数据库-学生成绩统计管理系统
printf(\);
printf(\学生信息与成绩统计:\\n\);
printf(\岳鹏程制作\\n\); printf(\); printf(\‖ Menu: ‖\\n\); printf(\‖ 1:print all the personal information、 ‖\\n\); printf(\‖ 2:insert some or one person、 ‖\\n\); printf(\‖ 3:revire some information、 ‖\\n\); printf(\‖ 4:delate some information or a person、 ‖\\n\); printf(\‖ 5:exit、 ‖\\n\); printf(\); printf(\); do
{
scanf(\,&c); getchar( ); }while(c<0||c>6); 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(\); ch=getchar( ); saveda(head);
}while(ch=='y'||ch=='Y'); return 0; }
C语言数据库-学生成绩统计管理系统
void loaddata (struct 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(\、dat\,\))) {
return; }
if( !(gfhead = fopen(\、dat\ , \)) ) {
return; }
while (!feof(afhead)) {
p1 = (struct address *)malloc(sizeof(struct 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*/ else {
p1->next = NULL; p1->head = NULL; hp1->next = p1; hp1 = hp1->next; } }
*had = head; p1 = *had;
C语言数据库-学生成绩统计管理系统
/*成绩就是后进先出*/ while (!feof(gfhead)) {
do {
p2=(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 grade *ghd=NULL; struct address *hd=NULL; hd = head;
system(\); if (hd==NULL) {
printf(\); return ; }
while (hd != NULL) {
gotoxy(1,i+1);
printf(\);
for(j=0;j<6;j++) {
gotoxy(1,i+1+j); printf(\‖\); gotoxy(58,i+1+j);
C语言数据库-学生成绩统计管理系统
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