oid showlist() { //局部变量的初始化 char username[20] = { 0 }; char stunum[20] = { 0 }; int chinese = 0; int math = 0; int english = 0; //FILE型指针的初始化 FILE * fp = NULL; //打开文件 if ((fp = fopen("s1.txt", "r")) == NULL) { perror("（tip：文件打开失败！请联系管理员，电话：152346789。）"); exit(0); } printf_s("（tip:文件已经打开！）\n"); Sleep(1500); system("cls"); //打印表头 printf_s("-------------------------------------------------------------------\n"); printf_s("%-10s %-10s %-10s %-10s %-10s %-12s|\n", "姓名", "学号", "语文", "数学", "英语", "总分", "平均分"); printf_s("-------------------------------------------------------------------\n"); //向txt文件读取数据 while (fscanf_s(fp, "%s %s %d %d %d %d", &username, &stunum, &chinese, &math, &english) != EOF) { int sum = chinese + math + english; int avg = sum / 3; printf_s("%-10s %-10s %-10d %-10d %-10d %-10d %-10d %-12d|\n", username, stunum, chinese, math, english,sum,avg); } //打印表尾 printf_s("-------------------------------------------------------------------\n"); //暂停界面 system("pause"); //关闭文件 fclose(fp); } 运行后，s1. txt里的数据并没有读取出来(╥﹏╥)
修改如下，问题见注释，供参考：
//运行后，s1. txt里的数据并没有读取出来(╥﹏╥)
void oid_showlist()
{
//局部变量的初始化
char username[20] = { 0 };
char stunum[20] = { 0 };
int chinese = 0;
int math = 0;
int english = 0;
//FILE型指针的初始化
FILE * fp = NULL;
//打开文件
if ((fp = fopen("s1.txt", "r")) == NULL) {
perror("（tip：文件打开失败！请联系管理员，电话：152346789。）");
exit(0);
}
printf_s("（tip:文件已经打开！）\n");
Sleep(1500);
system("cls");
//打印表头
printf_s("-------------------------------------------------------------------\n");
printf_s("%-10s %-10s %-10s %-10s %-10s %-10s %-12s|\n", "姓名", "学号", "语文", "数学", "英语", "总分", "平均分");
//printf_s("%-10s %-10s %-10s %-10s %-10s %-12s|\n", "姓名", "学号", "语文", "数学", "英语", "总分", "平均分"); //错误
printf_s("-------------------------------------------------------------------\n");
//向txt文件读取数据
while (fscanf_s(fp, "%s %s %d %d %d", username,20, stunum,20,&chinese,&math,&english)!= EOF){
//(fscanf_s(fp, "%s %s %d %d %d %d", &username, &stunum,&chinese,&math,&english)!= EOF) //这句的格式是错的
int sum = chinese + math + english;
int avg = sum / 3;
printf_s("%-10s %-10s %-10d %-10d %-10d %-10d %-12d|\n", username, stunum, chinese, math, english,sum,avg);
//printf_s("%-10s %-10s %-10d %-10d %-10d %-10d %-10d %-12d|\n", username, stunum, chinese, math, english,sum,avg);//错误
}
//打印表尾
printf_s("-------------------------------------------------------------------\n");
//暂停界面
system("pause");
//关闭文件
fclose(fp);
}不知道你这个问题是否已经解决, 如果还没有解决的话: