2023-2024-1 20231406 《计算机基础与程序设计》第十四周学习总结

void write(struct STU stu[],int n,const char *filename){
    int sum[n];
    for(int i=0;i<n;i++){
        sum[i]=stu[i].mt+stu[i].en+stu[i].ph;
    }
    float ave[n];
    for(int i=0;i<n;i++){
        ave[i]=(float)sum[i]/3;
    }
    FILE *file=fopen(filename,"w");
    if (file == NULL) {
        printf("无法打开文件 %s\n", filename);
        return;
    }
    for (int i = 0; i < n; i++){
        fprintf(file, "%d %s %d %d %d %d %.2f\n", stu[i].xh, stu[i].name, stu[i].mt, stu[i].en, stu[i].ph,sum[i],ave[i]);
    }
    fclose(file);
}

void read(const char *filename) {
    FILE *file = fopen(filename, "r");
    if (file == NULL) {
        printf("无法打开文件 %s\n", filename);
        return;
    }

    int xh, mt, en, ph, sum;
    float ave;
    char name[50];

    while (fscanf(file, "%d %s %d %d %d %d %f", &xh, name, &mt, &en, &ph, &sum, &ave) == 7) {
        printf("%d %s %d %d %d %d %.2f\n", xh, name, mt, en, ph, sum, ave);
    }

    fclose(file);
}