学生信息管理系统源代码： #include #include #include #include #include #include struct student { char num[30]; int maths; char name[30]; int chinese; char clas[30]; int english; int total; float average; student *next; }; //◆1(1) void createlist(student * & head) //学生成绩文件导入功能(用链表储存) { char t[80],num0[30],name0[30],clas0[30]; int chinese0,maths0,english0; student *s,*p; ifstream instuf("student-score.txt",ios::in); if (!instuf) {cerr<<"file could not be open."<>num0>>name0>>clas0>>chinese0>>maths0>>english0) { s=new student; strcpy(s->num,num0);strcpy(s->name,name0);strcpy(s->clas,clas0); s->chinese=chinese0;s->maths=maths0;s->english=english0; s->total=s->chinese+s->maths+s->english; s->average=float(s->total)/3; if (head==NULL) head=s; else p->next=s; p=s; } p->next=NULL; instuf.close(); } //◆1(2) void showlist(student *head) //学生成绩信息显示功能(遍历链表) { int n=1; cout<<"学号 姓名 班级 语文 数学 英语 总分 均分 序号 "; while (head) { cout<num<<" "<name<<'\t'<clas<<'\t'<<" "<chinese<<'\t' <maths<<'\t'<english<<'\t'<total<<'\t'<average<<'\t'<<" "<next; } } //◆2 void charu(student *head) //学生成绩信息插入功能(链表尾部插入学生成绩信息) { student *s,*p,*q; int n,i; cout<<"请输入需要【插入】的学生成绩信息的数量: "; cin>>n; cout<<"请输入需插入的学生成绩信息(每人一行):"<next; } for (i=1;i<=n;i++) { s=new student; cin>>s->num>>s->name>>s->clas>>s->chinese>>s->maths>>s->english; s->total=s->chinese+s->maths+s->english; s->average=float(s->total)/3; q->next =s; q=s; } q->next=NULL; } //◆3 void shanchu(student * ...
