C语言实习：学生成绩管理系统(8)

if((fp=fopen("s_score.txt","rb+"))==NULL||(fp1=fopen("temp.txt","wb+"))==NULL) {

printf("\nopen score.txt was failed!"); getch(); exit(0); }

printf("\nPlease input ID which you want to del:"); scanf("%d",&i);getchar();

while((fread(&data,sizeof(data),1,fp))==1) {

j=atoi(data.xuehao); if(j==i) {

printf("Anykey will delet it.\n"); getch(); continue; }

fwrite(&data,sizeof(data),1,fp1); }

fclose(fp); fclose(fp1);

remove("s_score.txt");

rename("temp.txt","s_score.txt");

printf("Data delet was succesful!\n"); printf("Anykey will return to main."); getch(); }

5. 查找模块:

[需求分析]:

该模块的功能是根据输入的学生的姓名查找对应的记录,找到以后,显示相应的学生信息. [流程图]: