C语言学生运动员信息管理系统
作者：互联网
C语言学生运动员信息管理系统
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<conio.h>
#include<time.h>
#define load sizeof(student)
#define N 1000
void read();
void save();
void open(FILE*);
int count_line(FILE* f);
void find();
int size = 0;
int temp_count;
int line_count;
struct student
{
char num[10];
char name[20];
int scorem, scoreq, scoreg, scorey;
char ximing[20];
}stu[N], temp;
//计算文件行数，返回文件行数
int count_line(FILE* f)
{
int count = 0;
while (!feof(f))
{
int flag;
flag = fgetc(f);
if (flag == '\n')
count++;
}
fseek(f, 0, SEEK_SET);//将文件指针重新指向文件开头
return count;//返回行数
}
void input() //输入原始数据
{
char ch2;
int i=0;
line_count = size;
system("cls");
printf("\t*********************输入界面***********************\n");
do {
printf("请输入运动员号码，姓名，100成绩，铅球成绩，跳高趁机，跳远成绩，系名:\n");
scanf("%s%s%d%d%d%d%s", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
i++;
size++;
printf("继续添加请输入y\n");
getchar();
scanf("%c", &ch2);
//ch2=_getch();
} while (ch2 == 'y' || ch2 == 'Y');
/*
for (int i = 0; i < size; i++)
{
fscanf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
}
*/
//save();
}
void open(FILE* fp)
{
//FILE* fp;//定义指向文件的指针
if ((fp = fopen("F:\\xiao.txt", "r")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
}
//读取文件数据，并打印
void read()
{
FILE* fp = NULL;
//FILE* fp;//定义指向文件的指针
if ((fp = fopen("F:\\xiao.txt", "r")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
for (int i = 0; i < size; i++)
{
fscanf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
}
fclose(fp); //关闭文件
}
void find()//查找函数
{
system("cls");
printf("**************查找界面***************\n");
char fs[20];
int file_row, count = 0;
char flag;
//read();
FILE* fp;//定义指向文件的指针
if ((fp = fopen("F:\\xiao.txt", "r")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
//统计文件行数
file_row = count_line(fp);
fseek(fp, 0, SEEK_SET);
printf("输入你要查找运动员的号码或姓名：");
scanf("%s", &fs);
getchar();
int i;
for ( i = 0; i < file_row; i++)
{
fscanf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
if (strcmp(stu[i].num, fs) == 0)
{
printf("你要找的运动员已找到：\n");
printf("该生的号码，姓名，100米成绩，千秋成绩，跳高成绩，跳远成绩，系名:\n");
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
break;
}
else if (strcmp(stu[i].name, fs) == 0)
{
printf("你要找的运动员已找到:\n");
printf("该生的号码，姓名，100米成绩，千秋成绩，跳高成绩，跳远成绩，系名:\n");
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
break;
}
else
{
}
}
if (i == file_row)
{
printf("你要找的运动员未找到:\n");
printf("运动员缺赛或不存在！");
}
//break;
fclose(fp);
}
void Sort()//sort function
{
int line;
FILE* fp;//定义指向文件的指针
if ((fp = fopen("F:\\xiao.txt", "r")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
//fscanf(fp, "运动员号码，姓名，100成绩，铅球成绩，跳高成绩，跳远成绩，系名;\n");
line = count_line(fp);
for (int i = 0; i < line; i++)
{
fscanf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
//printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
}
system("cls");
printf("**************排序界面****************\n");
printf("对100米的成绩排序：\n");
for (int i = 0; i < line; i++)
{
for (int j = i + 1; j < line; j++)
{
if (stu[i].scorem < stu[j].scorem)
{
temp = stu[i];
stu[i] = stu[j];
stu[j] = temp;
}
}
}
printf("排序后:\n");
for (int i = 0; i < line; i++)
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
getchar();
fclose(fp);
}
void modify()//modify function
{
system("cls");
printf("\t***************修改界面******************\n");
char ch2[20];
int c;
int line;
char num[10], name[20];
int scorem, scoreq, scoreg, scorey, i;
char ximing[20];
FILE* fp = NULL;//定义指向文件的指针
FILE* fp1;
FILE* fpw=NULL;
if ((fp = fopen("F:\\xiao.txt", "r")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
fp1 = fp;
printf("原始数据\n");
size = count_line(fp);
//fseek(fp, 0, SEEK_SET);
for(int i=0;i<size;i++)
fscanf(fp1, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
if ((fpw = fopen("F:\\xiao.txt", "w")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
//open();
/*
for (int i = 0; i < size; i++)
{
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
}
*/
read();
printf("输入你要修改运动员的姓名：");
scanf("%s", ch2);
getchar();
for (int i = 0; i < size; i++)
{
if (strcmp(stu[i].name, ch2) == 0)
{
printf("1.修改号码\n2.修改姓名\n3.修改100米成绩\n4.修改铅球成绩\n5。修改跳高成绩\n6.修改跳远成绩\n7.修改系名\n");
scanf("%d", &c);
switch (c)
{
case 1:
{
printf("请输入你要修改的运动员号码");
scanf("%s", &num);
strcpy(stu[i].num, num);
break;
}
case 2:
{
printf("输入你修改的运动员姓名：\n");
scanf("%s", &name);
strcpy(stu[i].name, name);
break;
}
case 3:
{
printf("输入你修改的运动员100米成绩");
scanf("%d", &scorem);
stu[i].scorem = scorem;
break;
}
case 5:
{
printf("输入你修改运动员跳高成绩:");
scanf("%d", &scoreg);
stu[i].scoreg = scoreg;
break;
}
case 6:
{
printf("输入你修改运动员跳远成绩：");
scanf("%s", &scorey);
stu[i].scorey = scorey;
break;
}
case 7:
{
printf("输入你修改运动员系名:");
scanf("%s", &ximing);
strcpy(stu[i].ximing, ximing);
break;
}
default:
printf("你的输入有误：\n");
}
//fseek(fp, i, SEEK_SET);
//fprintf(fp, "\n");
//fprintf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
printf("修改后的运动员数据:\n");
for (int j = 0; j < size; j++)
fprintf(fpw,"%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[j].num, stu[j].name, stu[j].scorem, stu[j].scoreq, stu[j].scoreg, stu[j].scorey, stu[j].ximing);
}
}
//save();
//exit(0);
//return;
getchar();
fclose(fp);
fclose(fpw);
}
void mark()//得分函数
{
system("cls");
printf("\t********得分界面*********\n");
int x, y, z, w, o, p, q, i;
char ch1[20] = "sl", ch2[20] = "jj", ch3[20] = "wy";
printf("原始数据;\n");
read();
printf("各系的得分总排序：\n");
for (i = 0; i < size; i++)
{
if (stu[i].scorem == 1)
x = 3;
else if (stu[i].scorem == 2)
x = 2;
else if (stu[i].scorem == 3)
x = 1;
else x = 0;
if (stu[i].scoreq == 1)y = 3;
else if (stu[i].scoreq == 2)y = 2;
else if (stu[i].scoreq == 3)y = 1;
else y = 0;
if (stu[i].scoreg == 1)z = 3;
else if (stu[i].scoreg == 2)z = 2;
else if (stu[i].scoreg == 3)z = 1;
else z = 0;
if (stu[i].scorey == 1)w = 3;
else if (stu[i].scorey == 2)w = 2;
else if (stu[i].scorey == 3)w = 1;
else w = 0;
}
for (int i = 0; i < size; i++)
{
if (strcmp(stu[i].ximing, ch1) == 0)
{
printf("水利系总得分为：%d\n", x + y + z + w);
}
else if (strcmp(stu[i].ximing, ch2) == 0)
{
printf("外语系系总得分为：%d\n", x + y + z + w);
}
else if (strcmp(stu[i].ximing, ch3) == 0)
{
printf("机交系总得分为：%d\n", x + y + z + w);
}
}
}
void shanchu()//删除函数
{
system("cls");
printf("**************删除界面***************\n");
char ch1[20];
printf("原始数据:\n");
int i;
FILE* fpw;
if ((fpw = fopen("F:\\xiao.txt", "r+")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
for (int i = 0; i < size; i++)
{
fscanf(fpw, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
}
printf("输入你要删除的运动员的姓名;\n");
scanf("%s", &ch1);
for (i = 0; i < size; i++)
{
if (strcmp(stu[i].name, ch1) == 0)
{
for (int j = i; j < size; j++)
stu[j] = stu[j + 1];
size--;
}
}
printf("删除后的运动员数据;\n");
for (int i = 0; i < size; i++)
{
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
}
save();
}
void charu()//插入函数
{
system("cls");
int a;
char ch;
printf("\t******插入界面*******\n");
/*
printf("请输入要插入的运动员的人数:\n");
scanf("%d", &a);
*/
FILE* fp, * fpw;//定义指向文件的指针
if ((fp = fopen("F:\\xiao.txt", "r+")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
/*
for (int i = 0; i < size; i++)
{
fscanf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
}
*/
size = count_line(fp);
for(int i=0;i<size;i++)
fscanf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", &stu[i].num, &stu[i].name, &stu[i].scorem, &stu[i].scoreq, &stu[i].scoreg, &stu[i].scorey, &stu[i].ximing);
size--;
do
{
fseek(fp, 0, SEEK_END);
printf("输入要插入的运动员数据:\n");
printf("号码");
scanf("%s", &stu[size].num);
printf("姓名");
scanf("%s", &stu[size].name);
printf("100米成绩");
scanf("%d", &stu[size].scorem);
printf("铅球成绩");
scanf("%d", &stu[size].scoreq);
printf("跳高成绩");
scanf("%d", &stu[size].scoreg);
printf("跳远成绩");
scanf("%d", &stu[size].scorey);
printf("系名");
scanf("%s", &stu[size].ximing);
fprintf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[size].num, stu[size].name, stu[size].scorem, stu[size].scoreq, stu[size].scoreg, stu[size].scorey, stu[size].ximing);
size++;
//fseek(fpw, 0, SEEK_END);
getchar();
printf("想要继续操作请按y\n");
scanf("%c",&ch);
} while (ch == 'y' || ch == 'Y');
/*
for(int i=0;i<size;i++)
for(int j=i+1;j<size+1;j++)
if (stu[i].scorem < stu[j].scorem)
{
temp = stu[i];
stu[i] = stu[j];
stu[j] = temp;
}
*/
printf("插入后运动员数据:\n");
for (int i = 0; i < size; i++)
printf("%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
//save();
getchar();
}
void save()//保存数据到文件函数
{
FILE* fp;
if ((fp = fopen("F:\\xiao.txt", "w")) == NULL)//为输出打开一个二进制文件，为只写模式
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
//fseek(fp, line_count, SEEK_SET);
printf("\n保存中...。。。\n");
for (int i =0; i < size; i++)
fprintf(fp, "%s\t%s\t%d\t%d\t%d\t%d\t%s\n", stu[i].num, stu[i].name, stu[i].scorem, stu[i].scoreq, stu[i].scoreg, stu[i].scorey, stu[i].ximing);
fclose(fp);
printf("保存成功....\n");
}
int login(char psw[])//密码校对函数
{
static char key[10] = "12345";
if (strcmp(psw, key) == 0)
return 1;
else
return 0;
}
void Logon()
{
char a;
printf("\n");
printf("*************欢迎进入校运动会管理界面**********************\n");
printf("*********************************************************\n");
printf("*******************登录请按回车键*************************\n");
printf("*********************************************************\n");
printf("\n");
scanf("%c", &a);
if (a == '\n')
{
FILE* fp;
char psw[10];
int count = 0, s;
printf("您有三次输入机会!\n\n");
printf("请输入密码:\n");
scanf("%s", psw);
s = login(psw);
if (s == 1)
{
fp = fopen("F:\\password.txt", "w");
fprintf(fp, "%s", psw);
fclose(fp);
system("CLS");
printf("密码正确！\n");
printf("*********************************************************\n");
printf("***********************欢迎进入**************************\n");
printf("*********************************************************\n\n\n");
}
if (s == 0)
{
count++;
while (count != 3)
{
printf("请再次输入密码:\n");
scanf("%s", psw);
s = login(psw);
if (s == 1)
{
fp = fopen("F:\\password.txt", "w");
fprintf(fp, "%s", psw);
fclose(fp);
system("CLS");
printf("密码正确！\n");
printf("*********************************************************\n");
printf("***********************欢迎进入**************************\n");
printf("*********************************************************\n\n\n");
return;
}
if (s == 0)
count++;
}
if (count == 3)
{
printf("你已经错误输入3次，系统退出！\n");
exit(0);
}
}
}
else
exit(1);
}
void menu()
{
int ch1;
char ch2;
struct tm* pt;
time_t t;
t = time(NULL);
pt = localtime(&t); //读取系统日期并把它放到结构体中
do {
printf("\t\t当前的系统日期：%d-%d-%d\n", pt->tm_year + 1900, pt->tm_mon + 1, pt->tm_mday);//显示当前系统日期
printf("=======================菜单=========================\n");
printf("1.输入 2.查找 \n");
printf("3.排序 4.修改 \n");
printf("5.得分 6.删除 \n");
printf("7.插入 8.保存 \n");
printf("9.显示 0.退出\n");
printf("===================================================\n");
printf("请选择功能<1-8>:[ ]\b\b");
scanf("%d", &ch1);
switch (ch1)
{
case 1:
input();
break;
case 2:
find();
break;
case 3:
Sort();
break;
case 4:
modify();
break;
case 5:
mark();
break;
case 6:
shanchu();
break;
case 7:
charu();
break;
case 8:
save();
break;
case 9:
read();
break;
case 0:
exit(0);
default:
printf("未进行任何操作!");
}
printf("\n");
printf("想要继续操作请按y\n");
//while(getchar()!='\n')
//continue;
//getchar();
scanf("\n%2c", &ch2);
} while (ch2 == 'y' || ch2 == 'Y');//条件判断
exit(0);
}
void main()
{
FILE* fp;//定义指向文件的指针
if ((fp = fopen("F:\\xiao.txt", "r")) == NULL)
{
printf("打不开文件\n");
return; //若打不开则返回菜单
}
size = count_line(fp);//读取文件行数
fclose(fp);
system("color 3f");
//Logon();
menu();
}
标签：fp,int,C语言,stu,运动员,printf,信息管理系统,line,t% 来源： https://blog.csdn.net/weixin_44735475/article/details/116245366