用C#编写:设计一个学生类,该类能够记录学生姓名、班级和学号信息,并...答:Sleep(2000);return; } if(head==0){pay a={"\0",0,"\0",0,0,0,0};head=&a;} p1=head; while(p1!=NULL) { write=fwrite(p1,sizeof(pay),1,fp); if(!write) { printf("\t\t\t\t无法写入文件!\n"); Sleep(2000); return; } p1=p1->next; } fclose(fp); printf("\t\t\t...