c语言课程设计报告

课程设计实验报告 李锐

printf(\请输入姓名:\ scanf(\

printf(\请输入语文:\ scanf(\ printf(\请输入数学:\ scanf(\

printf(\请输入英语:\ scanf(\ printf(\请输入C语言:\ scanf(\

printf(\*********\\n\

if(pStu->pnext == NULL) //说明链表里面一个数据都没有 {

pnew->pnext = NULL; pStu->pnext = pnew; }

else //说明有数据 {

ptemp = pStu;

while(ptemp != NULL) {

if(ptemp->pnext != NULL) {

if(pnew->num > ptemp->num && pnew->num < ptemp->pnext->num) {

pnew->pnext = ptemp->pnext; ptemp->pnext = pnew; break; } } else {

pnew->pnext = NULL; ptemp->pnext = pnew; break; }

ptemp = ptemp->pnext; }

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课程设计实验报告 李锐

}

printf(\*********\\n\

printf(\\\n\

printf(\信息添加成功! \\n\

printf(\\\n\

printf(\*********\\n\ }

printf(\*********\\n\

printf(\\\n\

printf(\按“任意键”返回上一层界面... \\n\

printf(\\\n\

printf(\*********\\n\ getch(); }

9.保存数据函数: void savedata() {

STU *ptemp = pStu->pnext;

system(\

fp=fopen(filename,\

if(fp == NULL) {

printf(\文件打开失败!\ }

else {

while(ptemp != NULL) {

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课程设计实验报告 李锐

fprintf(fp,\mp->num,ptemp->name,ptemp->chinese,ptemp->math,ptemp->english,ptemp->computer,ptemp->sum,ptemp->rank);

ptemp = ptemp->pnext; } }

fclose(fp);

printf(\*********\\n\

printf(\\\n\

printf(\保存信息成功! \\n\

printf(\\\n\

printf(\按“任意键”返回上一层界面... \\n\

printf(\\\n\

printf(\*********\\n\

getch(); }

10.加密函数: void mima() {

int mima;

system(\ printf(\

printf(\*********\\n\

printf(\\\n\

printf(\\\n\

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课程设计实验报告 李锐

printf(\学生成绩管理系统 \\n\

printf(\\\n\

printf(\\\n\

printf(\*********\\n\

printf(\\\n\

printf(\\\n\

printf(\请输入教师系统密码: \\n\

printf(\(默认密码:123) \\n\

printf(\\\n\

printf(\\\n\

printf(\温馨提示:教师系统密码由教务处设定,教师无权限修改! \\n\

printf(\\\n\

printf(\\\n\

printf(\*********\\n\

printf(\

if(mima != 123) {

printf(\*****\\n\

printf(\\\n\

printf(\密码错误!若忘记密码请联系教务处! \\n\

printf(\\\n\

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课程设计实验报告 李锐

printf(\*****\\n\

exit(0); }

fflush(stdin);

printf(\*********\\n\

printf(\\\n\

printf(\登陆成功! \\n\

printf(\\\n\

printf(\按回车键继续... \\n\

printf(\\\n\

printf(\*****\\n\

getch(); }

11.修改学生的信息(按照学号)函数: void editstu1(STU *ptemp) {

int num; float score; int sub;

system(\ printf(\

printf(\*********\\n\

printf(\\\n\

printf(\\\n\

printf(\学生成绩管理系统

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