C语言班级管理系统程序

1、#define N 100struct student char XUEHAO10;char BANJI6;char XINGMING6;char XINGBIE2;char SHENGRI8;char JIGUAN10;char XUEYUAN10;char TIANHUA10;void CAIDAN();void LURU();void SHAXUN();void sch_XUEHAO(FILE *fp);void sch_XINGMING(FILE *fp);void SHANCHU();void del_XUEHAO(FILE *fp);void del_XINGMING(FILE *

2、fp);void TIANJIA();void XIUGAI();void XIANZHI();void TONGJI();main() char choose,yes_no;do CAIDAN();printf("n 请输入序号:(18) ");choose=getch();switch(choose) case'1': printf(" %c",choose);LURU();break;case'2': printf(" %c",choose);SHAXUN();break;case'3&#

3、39;: printf(" %c",choose);SHANCHU();break;case'4': printf(" %c",choose);TIANJIA();break;case'5': printf(" %c",choose);XIUGAI();break;case'6': printf(" %c",choose);XIANZHI();break;case'7': printf(" %c",choose);TONGJI();

4、break;case'8': break;default:printf("n %c 序号不对 !n",choose);if(choose='8')break;printf("n 要继续选择吗? (Y/N) n");do yes_no=getch(); printf(" %c",yes_no);while(yes_no!='Y'&&yes_no!='y'&&yes_no!='N'&&yes_no!='n

5、');while(yes_no='Y'|yes_no='y');void CAIDAN() printf("nnn");printf("* n ");printf("*请输入序号 : （1 8）* n ");printf("*1- 录入学生信息* n ");printf("*2- 查询学生信息* n ");printf("*3- 删除学生信息* n ");printf("*4- 添加学生信息* n ");printf

6、("*5- 修改学生信息* n ");printf("*6- 显示学生信息* n ");printf("*7- 查找同一个学院的人数* n ");printf("*8- 退出系统* n ");printf("* n ");/* 定义录入学生信息的函数*/ void LURU() int i=1;struct student temp;FILE *fp;fp=fopen("123.dat","w");if(fp=NULL) printf("n 打开

7、文件失败! n");return; printf("n 请输入第 1 个学生信息:n");printf(" 学号(用#结束输入):");do gets(temp.XUEHAO);while(strcmp(temp.XUEHAO," ")=0);printf("班级（用#结束输入):");gets(temp.BANJI);printf("姓名（用#结束输入):");gets(temp.XINGMING);printf("性别 （用#结束输入):");gets(temp

8、.XINGBIE);printf("生日（用#结束输入):");gets(temp.SHENGRI);printf("籍贯（用#结束输入):");gets(temp.JIGUAN);printf("学院（用#结束输入):");gets(temp.XUEYUAN);printf("电话 （用#结束输入):");gets(temp.TIANHUA);while(temp.XUEHAO0!='#'&&temp.BANJI0!='#'&&temp.XINGMI

9、NG0!='#'&&temp.XINGBIE0!='#'&&temp.SHENGRI0!='#'&&temp.JIGUAN0!='#'&&temp.XUEYUAN0!='#'&&temp.TIANHUA0!='#') fprintf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",temp.XUEHAO,temp.BANJI,temp.XINGMING,temp.XINGB

10、IE,temp.SHENGRI,temp.JIGUAN,temp.XUEYUAN,temp.TIANHUA);i+;printf("n 请输入第 %d 个学生信息:n ",i);printf(" 学号 (用#结束输入):");do gets(temp.XUEHAO);while(strcmp(temp.XUEHAO," ")=0);printf("班级(用#结束输入):");gets(temp.BANJI);printf("姓名(用#结束输入):");gets(temp.XINGMING);pr

11、intf("性别(用#结束输入):");gets(temp.XINGBIE);printf("生日(用#结束输入):");gets(temp.SHENGRI);printf("籍贯(用#结束输入):");gets(temp.JIGUAN);printf("学院(用#结束输入):");gets(temp.XUEYUAN);printf("电话(用#结束输入):");gets(temp.TIANHUA);fclose(fp);/* 定义查询学生信息的函数*/void SHAXUN() char c;

12、FILE *fp;fp=fopen("123.dat","r");if(fp=NULL) printf("n 打开文件失败 ! n");return; printf("n 按学号查询 ( 1 ),还是按姓名查询( 2 )?");c=getch();putch(c);if(c='1') sch_XUEHAO(fp);else if(c='2') sch_XINGMING(fp);else printf("n 非法字符 !n");fclose(fp);/* 定义按学号

13、查询学生信息的函数*/void sch_XUEHAO(FILE *fp) int flag=0,n=0;char tempXUEHAO10;struct student temp;printf("n 请输入要查询学生信息的学号 : ");gets(tempXUEHAO);while(feof(fp)=0) fscanf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",&temp.XUEHAO,&temp.BANJI,&temp.XINGMING,&tem p.XINGBIE,&temp.

14、SHENGRI,&temp.JIGUAN,&temp.XUEYUAN,&temp.TIANHUA);if(strcmp(tempXUEHAO,temp.XUEHAO)=0) if(flag=0)printf(" 学号 班级姓名 性别生日 籍贯学院 电话n");printf("%5s%10s%10s%10s%10s%10s%10s%10sn",temp.XUEHAO,temp.BANJI,temp.XINGMING,temp.XINGBIE, temp.SHENGRI,temp.JIGUAN,temp.XUEYUAN,temp.TI

15、ANHUA);flag=1; n+;if(n=0) printf("n 文件中无此信息!n");else if(flag=0) printf("n 文件中无此人 !n");/* 定义按姓名查询学生信息的函数*/void sch_XINGMING(FILE *fp) int flag=0,n=0;char tempXINGMING6;struct student temp;printf("n 请输入要查询学生信息的姓名 : ");gets(tempXINGMING);while(feof(fp)=0) fscanf(fp,"%

16、5s%10s%10s%10s%10s%10s%10s%10sn",&temp.XUEHAO,&temp.BANJI,&temp.XINGMING,&temp.XINGBIE,&temp.SHENGRI,&temp.JIGUAN,&temp.XUEYUAN,&temp.TIANHUA);if(strcmp(tempXINGMING,temp.XINGMING)=0) if(flag=0) printf(" 学号 班级姓名性别生日 籍贯学院电话 n");printf("%5s%10s%10s%1

17、0s%10s%10s%10s%10sn",temp.XUEHAO,temp.BANJI,temp.XINGMING,temp.XINGBIE, temp.SHENGRI,temp.JIGUAN,temp.XUEYUAN,temp.TIANHUA);flag=1;n+;if(n=0) printf("n 文件中无此信息!n");else if(flag=0) printf("n 文件中无此人!n");/* 定义删除学生信息的函数*/void SHANCHU() char c;FILE *fp;fp=fopen("123.dat"

18、;,"r");if(fp=NULL) printf("n 文件打开失败!n ");return; printf("n 按学号删除( 1 ), 还是按姓名删除( 2 )?");c=getch();putch(c);if(c='1') del_XUEHAO(fp);else if(c='2') del_XINGMING(fp);else printf("n 非法字符 !n");fclose(fp);/* 定义按学号删除学生信息的函数*/void del_XUEHAO(FILE *fp)

19、char tempXUEHAO10;int n=0,i=0,k;struct student stuN;while(feof(fp)=0) fscanf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",stui.XUEHAO,stui.BANJI,stui.XINGMING,stui.XIN GBIE,stui.SHENGRI,stui.JIGUAN,stui.XUEYUAN,stui.TIANHUA);i+;n+;fclose(fp);printf("n 请输入要删除的学生信息的学号 :");scanf("%s&q

20、uot;,tempXUEHAO);for(i=0;i<n;i+)if(strcmp(tempXUEHAO,stui.XUEHAO)=0)break;if(i<n)for(k=i;k<n;k+)stuk=stuk+1;else printf("n 无此人 !n");fp=fopen("123.dat","w");if(fp=NULL) printf("n 文件打开失败!n");return; for(i=0;i<n-1;i+)fprintf(fp,"%5s%10s%10s%10s%1

21、0s%10s%10s%10sn",stui.XUEHAO,stui.BANJI,stui.XINGMING,stui.XING BIE,stui.SHENGRI,stui.JIGUAN,stui.XUEYUAN,stui.TIANHUA);/* 定义按姓名删除学生信息的函数*/void del_XINGMING(FILE *fp) char tempXINGMING6;int n=0,i=0,k;struct student stuN;while(feof(fp)=0) fscanf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",st

22、ui.XUEHAO,stui.BANJI,stui.XINGMING,stui.XIN GBIE,stui.SHENGRI,stui.JIGUAN,stui.XUEYUAN,stui.TIANHUA);i+;n+;fclose(fp);printf("n 请输入要删除的学生信息的姓名 :");scanf("%s",tempXINGMING);for(i=0;i<n;i+)if(strcmp(tempXINGMING,stui.XINGMING)=0)break;if(i<n)for(k=i;k<n;k+)stuk=stuk+1;else

23、 printf("n 无此人 !n");fp=fopen("123.dat","w");if(fp=NULL)文件打开失败 !n");return; printf("n for(i=0;i<n-1;i+)fprintf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",stui.XUEHAO,stui.BANJI,stui.XINGMING,stui.XING BIE,stui.SHENGRI,stui.JIGUAN,stui.XUEYUAN,stui.TIANH

24、UA);/* 定义添加学生信息的函数*/void TIANJIA() char c;int n=0,i=0;struct student temp,stuN;FILE *fp;fp=fopen("123.dat","r");if(fp=NULL) printf("n 打开文件失败!n"); return; while(feof(fp)=0) fscanf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",stui.XUEHAO,stui.BANJI,stui.XINGMING,stui.X

25、INGBIE,stui.SHENGRI,stui.JIGUAN,stui.XUEYUAN,stui.TIANHUA);i+;n+;fclose(fp);for(i=0;i<n;i+)printf("n%s %s %s %s %s %s %s %sn",stui.XUEHAO,stui.BANJI,stui.XINGMING,stui.XINGBIE,stui.SHENGRI,stui.JIGUAN,stui.XUEYUAN,stui.TIANHUA); do printf("ndo请输入新学生信息的学号:"); scanf("%s&quo

26、t;,temp.XUEHAO); while(strcmp(temp.XUEHAO," ")=0);printf(" printf(" printf(" printf(" printf("printf("printf("请输入新学生信息的班级 请输入新学生信息的姓名 请输入新学生信息的性别 请输入新学生信息的生日 请输入新学生信息的籍贯 请输入新学生信息的学院 请输入新学生信息的电话:");scanf("%s",temp.BANJI);:");scanf("

27、;%s",temp.XINGMING);:");scanf("%s",temp.XINGBIE);:");scanf("%s",temp.SHENGRI);:");scanf("%s",temp.JIGUAN);:");scanf("%s",temp.XUEYUAN);:");scanf("%s",temp.TIANHUA);for(i=0;i<n;i+)if(strcmp(temp.XUEHAO,stui.XUEHAO)=0)

28、printf("n学号重复,要重新输入吗(Y/N)?");do c=getch(); putch(c); while(c!='Y'&&c!='y'&&c!='N'&&c!='n'); putchar('n');break;if(i=n) stui=temp; break; while(c='Y'|c='y');fp=fopen("123.dat","w");if(fp=NULL

29、) printf("n 文件打开失败 !n"); return; for(i=0;i<=n;i+) fprintf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",stui.XUEHAO,stui.BANJI,stui.XINGMING,stui.XINGBIE,stui.SHENGRI,stui.JIGUAN,stui.XUEYUAN,stui.TIANHUA);fclose(fp);/* 定义修改学生信息的函数*/void XIUGAI() char c;int n=0,i=0;struct student *fin

30、d,temp,stuN,*p;FILE *fp;fp=fopen("123.dat","rb");if(fp=NULL) printf("n 打开文件失败!n"); return; while(feof(fp)=0) fscanf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",stui.XUEHAO,stui.BANJI,stui.XINGMING,stui.XIN GBIE,stui.SHENGRI,stui.JIGUAN,stui.XUEYUAN,stui.TIANHUA);i+;

31、n+;fclose(fp);if(n=0) printf("n 文件中无此信息!n");return;printf("n 请输入要修改的学生信息的学号: ");scanf("%s",temp.XUEHAO);for(p=stu;p<stu+n;p+)if(strcmp(temp.XUEHAO,p->XUEHAO)=0) find=p; break; if(p=stu+n) printf("n 无此信息 !n");return; do printf("n 请输入新学生信息的学号:");

32、do:");scanf("%s",temp.BANJI);:");scanf("%s",temp.XINGMING);:");scanf("%s",temp.XINGBIE);:");scanf("%s",temp.SHENGRI);:");scanf("%s",temp.JIGUAN);:");scanf("%s",temp.XUEYUAN); scanf("%s",temp.XUEHAO);

33、while(strcmp(temp.XUEHAO," ")=0); printf("请输入新学生信息的班级printf("请输入新学生信息的姓名printf("请输入新学生信息的性别printf("请输入新学生信息的生日printf("请输入新学生信息的籍贯printf("请输入新学生信息的学院printf(" 请输入新学生信息的电话:");scanf("%s",temp.TIANHUA)for(p=stu;p<stu+n;p+)if(strcmp(temp.XUEHA

34、O,p->XUEHAO)=0&&p!=find) printf("n 学号重复,要重新输入吗(Y/n)?");do c=getch();putch(c);while(c!='Y'&&c!='y'&&c!='N'&&c!='n');putchar('n');break;if(p=stu+n) *find=temp; break; while(c='Y'|c='y');fp=fopen("

35、123.dat","wb");if(fp=NULL) printf("n 打开文件失败!n "); return; for(p=stu;p<stu+n;p+)fprintf(fp,"%5s%10s%10s%10s%10s%10s%10s%10sn",p->XUEHAO,p->BANJI,p->XINGMING,p->XINGBIE,p->S HENGRI,p->JIGUAN,p->XUEYUAN,p->TIANHUA);fclose(fp);/* 定义显示学生信息的函数*/void XIANZHI() int n=0,i=0;struct student stuN;FILE *fp;fp=fopen("123.dat","r");if(fp=NULL) printf("n 打开文件失败 !n"); return; printf("nn 学号班级姓名 性别生日 籍贯学院 电话 n");while(feof(fp)=0) fscanf(fp,"%5s%10s%10s%10s%10s