学生成绩管理系统源代码#include #include #include #include #define LEN sizeof(struct student) struct student { int num ; char name[16]; char grade[10]; char class[10]; int English; int Math; int Physics; int Physical; int Eletric; int lisa...
#include
#include #include #include #define LEN sizeof(struct student) struct student { int num ; char name[16]; char grade[10]; char class[10]; int English; int Math; int Physics; int Physical; int Eletric; int lisan; int cprogram; int lawy; int public; int sixiou; int average; int total; int state; struct student *next ; }; /*========================================================== ===========*/ struct student *save1(struct student *head) /*保存链表，保存到文件中*/ {FILE *fp; char filepn[20]; struct student *p; p=(struct student *)malloc(LEN); p=head; printf("Please input the file name!:"); scanf("%s",filepn); if((fp=fopen(filepn,"w+"))==NULL) { printf("cannot open the file !\n"); getch(); } fprintf(fp,"------------------------------------------ -----------------------\n"); fprintf(fp," THE SYSTEM OF STUDENTS'SCORED MANGERMENT,MADE BY ZUEC\n"); fprintf(fp," Designed by zuec !\n"); fprintf(fp,"------------------------------------------ -----------------------\n"); /*打印表格域*/ while(p!=NULL) {fprintf(fp,"|************************|num: %d |****************************|",p->num); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|name:----------|%s ",p->name); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|Class and grade|I'm in class %s grade %s ",p->class,p->grade); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|Math:----------|%5.1d | |",p->Math); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|English:-------|%5.1d | |",p->English); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|Physics:-------|%5.1d | |",p->Physics); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|physical:------|%5.1d | |",p->Physical); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|Eletric:-------|%5.1d | |",p->Eletric); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|lisan:---------|%5.1d | |",p->lisan); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|cprogram:------|%5.1d | |",p->cprogram); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|sixiou:--------|%5.1d | |",p->sixiou); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|public:--------|%5.1d | |",p->public); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|lawy:----------|%5.1d | |",p->lawy); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|total:---------|%5.1d | |",p->total); fprintf(fp,"\n|--------------------------------------------- --------------------|"); fprintf(fp,"\n|avrage:--------|%5.1d | |",p->average); fprintf(fp,"\n|--------------------------------------------- --------------------|\n"); p=p->next; } fclose(fp); printf("The file have been saved!\n"); getch();return(head); } /*========================================================== ============*/ void save2(struct student *head) {FILE *fp; char filepn[20]; struct student *p1; p1=head; printf("Please input the file name!:"); scanf("%s",filepn); if((fp=fopen(filepn,"wb+"))==NULL) { printf("cannot open the file !\n"); getch(); } while(p1!=NULL) {if(fwrite(p1,LEN,1,fp)!=1) {printf("file write error!\n");getch();} else p1=p1->next; } fclose(fp); printf("The file have been saved!\n"); getch(); } /*========================================================== ============*/ void print(struct student *head); /*print函数的声明*/ struct student *load() {FILE *fp; struct student *p1,*p2,*head; int n=0; char filepn[20]; printf("Please input the file name!:"); scanf("%s",filepn); if((fp=fopen(filepn,"rb"))==NULL) { printf("Cannot open the file !\n"); getch(); } printf("---------------------------------------------------- --------------\n"); printf(" THE SYSTEM OF STUDENTS'SCORED MANGERMENT,MADE BY ZUEC \n"); printf(" Designed by zuec \n"); printf("---------------------------------------------------- --------------\n"); if(!feof(fp)) { n=n+1; p1=p2=(struct student *)malloc(LEN); if(fread(p1,LEN,1,fp)!=1) {if(feof(fp)) printf("filereaderror!\n"); } else {p2=p1;print(p1);getch();} if(n==1) head=p1; else p2->next=p1; } else printf("File be read error!"); p1->next=NULL; return(head);fclose(fp); } /*========================================================== ==========*/ /*输入链表的函数*/ struct student *input(struct student *p) { getchar(); printf("\nname:"); gets(p->name); printf("\ngrade:"); gets(p->grade); printf("\nclass:"); gets(p->class); printf("\nEnglish:"); scanf("%d",&p->English); printf("\nMath:"); scanf("%d",&p->Math); printf("\nPhysics:"); scanf("%d",&p->Physics); printf("\nPhysical:"); scanf("%d",&p->Physical); printf("\nEletric:"); scanf("%d",&p->Eletric); printf("\nlisan:"); scanf("%d",&p->lisan); printf("\ncprogram:"); scanf("%d",&p->cprogram); printf("\nsixiou:"); scanf("%d",&p->sixiou); printf("\npublic:"); scanf("%d",&p->public); printf("\nlawy:"); scanf("%d",&p->lawy); (p->total)=(p->English)+(p->Math)+(p->Physics)+( p->Physical)+(p->Eletric)+(p->lisan)+ (p->cprogram)+(p->sixiou)+(p->public)+(p->lawy); (p->average)=(p->total)/10 ; getch(); return(p); } /*========================================================== =============*/ /*创建链表的函数，返回值为链表的头指针*/ struct student *creat(void) { struct student *head; struct student *p1,*p2,*p3,*max; int i,j,n,k; char t[10]; n=0; p1=p2=p3=(struct student *)malloc(LEN);head=p3; printf("input the number (if enter 0 ,exit!)\n"); repeat1: printf("num(num>0):"); scanf("%d",&p1->num); while(p1->num<0) {getchar(); printf("error! please input num angain:"); scanf("%d",&p1->num);} if(p1->num==0) goto end; else { p3=head; if(n>0) {for(i=0;inum!=p3->num) p3=p3->next; else {printf("The num have exsisted,please intput angain:!\n"); goto repeat1; } } } } p1=input(p1); head=NULL; while(p1->num!=0) { n=n+1; if(n==1) head=p1; else p2->next=p1; p2=p1; p1=(struct student *)malloc(LEN); printf("Please input students'massage,(enter 0 exit)!\n"); repeat2:printf("please input the number of one student (num>0):"); scanf("%d",&p1->num); while(p1->num<0) {getchar(); printf("error!please input angain:"); scanf("%d",&p1->num);} if(p1->num==0) goto end; else {p3=head; if(n>0) {for(i=0;inum!=p3->num) p3=p3->next; else {printf("the num have exsisted,please input angain:\n"); goto repeat2; } } } } p1=input(p1); } end: p1=head; p3=p1; for(i=1;inext; if(max->num>p1->num) { k=max->num; max->num=p1->num; p1->num=k; } } max=head;p1=head; } p2->next=NULL; printf("the num of students you have inputed:%d!\n",n); getch(); return(head); } /*========================================================== =========*/ /*插入链表，一定要有返回值*/ struct student *insert(struct student *head) { struct student *p,*p1,*p2 ; /*创建指针，访问链表*/ p=(struct student *)malloc(LEN); printf("num:"); scanf("%d",p->num); input(p); p1=head ; if(head==NULL) { head=p ; head->next=NULL ; return(head); } while(p->num > p1->num && p1->next!=NULL) { p2=p1 ; p1=p1->next ; } if(p->num<=p1->num) { /*插入的为函数的首部*/ if(head==p1) { p->next=head ; head=p ;return(head); } else { p2->next=p ; p->next=p1 ; } } else { p1->next=p ; p->next=NULL ; } return(head); } /*========================================================== ======*/ /*打印函数*/ void print(struct student *head) { struct student *p ; p=head ; printf("|************************|num: %d|*****************************|",p->num); printf("\n|------------------------------------------------- ----------------|"); printf("\n|name:----------| %s ",p->name); printf("\n|------------------------------------------------- ----------------|"); printf("\n|Class and grade|I'm in class %s grade %s ",p->class,p->grade); printf("\n|------------------------------------------------- ----------------|"); printf("\n|Math:----------|%5.1d | |",p->Math); printf("\n|------------------------------------------------- ----------------|"); printf("\n|English:-------|%5.1d | |",p->English); printf("\n|------------------------------------------------- ----------------|"); printf("\n|Physics:-------|%5.1d | |",p->Physics); printf("\n|------------------------------------------------- ----------------|"); printf("\n|physical:------|%5.1d | |",p->Physical); printf("\n|------------------------------------------------- ----------------|"); printf("\n|Eletric:-------|%5.1d | |",p->Eletric); printf("\n|------------------------------------------------- ----------------|"); printf("\n|lisan:---------|%5.1d | |",p->lisan);getch(); printf("\n|------------------------------------------------- ----------------|"); printf("\n|cprogram:------|%5.1d | |",p->cprogram); printf("\n|------------------------------------------------- ----------------|"); printf("\n|sixiou:--------|%5.1d | |",p->sixiou); printf("\n|------------------------------------------------- ----------------|"); printf("\n|public:--------|%5.1d | |",p->public); printf("\n|------------------------------------------------- ----------------|"); printf("\n|lawy:----------|%5.1d | |",p->lawy); printf("\n|------------------------------------------------- ----------------|"); printf("\n|total:---------|%5.1d | |",p->total); printf("\n|------------------------------------------------- ----------------|"); printf("\n|avrage:--------|%5.1d | |",p->average); printf("\n|------------------------------------------------- ----------------|\n"); getch(); } /*========================================================== ===========================*/ void show(void) /*查寻的类型列表*/ { printf("\n|------------------------------------------------- ----------------|"); printf("\n|a----------|input the student's number you want to search |"); printf("\n|------------------------------------------------- ----------------|"); printf("\n|b----------|Show the massage of one student when you enter number|"); printf("\n|------------------------------------------------- ----------------|"); printf("\n|c----------|input the grade,class,name to search |"); printf("\n|------------------------------------------------- ----------------|"); printf("\n|d----------|input average scored you want to search |"); printf("\n|------------------------------------------------- ----------------|"); printf("\n|e----------|exit the choose system |"); printf("\n|------------------------------------------------- ----------------|\n"); } /*寻找链表的具体菜单*/ void find1(struct student *head) ; void find12(struct student *head); void find2(struct student *head) ; void find3(struct student *head) ; void search(struct student *head) { int i=1; char z='a';show(); while(i) { switch(z=getchar()) {case 'a' :find1(head);printf("\nif you want to goto another method,enter(a,b,c,d) or e exit:"); break ; case 'b' :find12(head);printf("\nif you want to goto another method,enter(a,b,c,d) or e exit:");break ; case 'c' :find2(head);printf("\nif you want to goto another method,enter(a,b,c,d) or e exit:");break ; case 'd' :find3(head);printf("\nif you want to goto another method,enter(a,b,c,d) or e exit:");break ; case 'e' :i=0; } } } void find1(struct student *head) /*方法1，按学号来查找*/ { struct student *p1,*p2; int num; printf("\nPlease input the student's number you want to search(enter 0 exit):"); scanf("%d",&num); while(num!=0) { if(head==NULL) {printf("\nNot found!");getch();} p1=head; while(num!=p1->num&&p1->next!=NULL) {p2=p1;p1=p1->next;} if(num==p1->num) print(p1); else printf("\n%d is not found!\n",num); printf("please input the num you want to search(enter 0 exit) :"); scanf("%d",&num); } getch(); } void find12(struct student *head) {struct student *p1,*p2; int i=4,num; clrscr(); printf("|--------------------------------------------------- ---------------------------|"); printf("|num (0)exit| name | grade | class | total |average |"); printf("|--------------------------------------------------- ---------------------------|"); for( ; ;) {gotoxy(1,i);printf("|"); gotoxy(13,i);printf("|"); gotoxy(29,i);printf("|"); gotoxy(45,i);printf("|"); gotoxy(61,i);printf("|"); gotoxy(71,i);printf("|"); gotoxy(80,i);printf("|"); printf("|--------------------------------------------------- ---------------------------|"); gotoxy(2,i ); scanf("%d",&num); if(num!=0) { if(head==NULL) exit(0); p1=head; while(num!=p1->num&&p1->next!=NULL) {p2=p1;p1=p1->next;} if(num==p1->num) { gotoxy (14,i); printf("%s",p1->name); gotoxy( 35,i); printf("%s",p1->grade); gotoxy (51,i); printf("%s",p1->class); gotoxy (65,i); printf("%d",p1->total); gotoxy(76,i); printf("%d\n\n",p1->average); i=i+2; if(i==20) { printf("|--------------------------------------------------- ---------------------------|"); getch(); clrscr();i=4; printf("|--------------------------------------------------- ---------------------------|"); printf("|num(enter) | name (0) | grade (e) | class (exit)| total |average |"); printf("|--------------------------------------------------- ---------------------------|"); } } else gotoxy(2,i ); scanf("%d",&num); }else break; } getch(); } void find2(struct student *head) /*方法2，按年级，班级和姓名来查找*/ {struct student *find(struct student *head,char *s); char s[30],t[30]; struct student *p1,*find(); printf("which you want find student's message by, name or class or grade?:");getchar(); gets(t); printf("\n input his name,grade or class:"); gets(s); if((p1=find(head,s))==NULL) printf("not found\n"); else print(p1); } struct student *find(struct student *head, char *s) { struct student *p1; p1=head; while(p1) {if((!strcmp(s,p1->name))||(!strcmp(s,p1->class))||(!s trcmp(s,p1->grade))) return(p1); else p1=p1->next; } return(p1); } void find3(struct student *head) /*方法3，按平均分来查找*/ { struct student *p1,*p2 ; int average; p2=p1=head; if(head==NULL) printf("List null!"); printf("\nInput the student's average scored which you want to search:"); scanf("%d",&average); while(average!=p1->average && p1->next!=NULL) { p2=p1 ; p1=p1->next ; } if(average==p1->average) print(p1); else printf("\nNot be found!\n"); } /*========================================================== ============*/ /*删除链表，有三种情况*/ struct student *del(struct student *head) { struct student *p1,*p2 ; int num ; if(head==NULL) { printf("The list is emampty\n"); return(head); } printf("input the num which you want to delete:"); scanf("%d",&num); p1=head ; /*找到接点和搜索的终止条件*/ while(num!=p1->num&&p1->next!=NULL) { p2=p1 ; p1=p1->next ; } if(num==p1->num) { if(p1==head)head=p1->next ; /*要找的接点在链表的开头*/ else p2->next=p1->next ; /*在中间和结尾*/ free(p1); /*释放无用的空间*/ } else printf("\nNot be found !\n"); return(head); } /*菜单选择*/ void menu_selete(void) {textcolor(9); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|----------THE SYSTEM OF STUDENTS'SCORED MANGERMENT,MADE BY ZUEC---------------|"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|********************************menu_selete* **********************************|"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|1 |creat the massage of one student's scored. |"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|2 |insert the massage of one student's scored. |"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|3 |delete the massage of one student's scored. |"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|4 |search the massage of one student's scored. |"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|5 |load the massage of one student's scored. |"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|6 |save1 the massage of the student's scored(wen ben) |"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|7 |save2 the massage of the student's scored(er jing zhi) |"); c printf("|--------------------------------------------------- ---------------------------|"); cprintf("|8 |quit the system of students' scored manegerment. |"); c printf("|--------------------------------------------------- ---------------------------|"); } main() { struct student *head ; int flag=1,m; while(flag) { menu_selete(); cprintf("\nInput your choice:")
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