? ? ? ? 很多大一的同学刚接触C语言都有过被课设困扰的烦恼吧，别担心，幸好你刷到了我这篇文章，本人结合C语言的学习经验和对面向过程开发的理解，特意写了一个关于学生成绩管理系统的程序，希望给还在抓耳挠腮的你一丝丝的灵感。
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? ?（一）项目需求：
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（二）成品 展示：
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?注：背景颜色是窗口属性调节的，不是代码弄的!
（三）程序剖析
头文件：
#include<iostream>????????//引用c++的输入输出流，方便输入输出字符串
#include<conio.h>????????//引用控制台头文件，调用函数getch（）等待键盘输入
#include<stdlib.h>? ? ? ? //C语言标准库头文件可调用多种基础函数
#include<stdio.h>? ? ? ? //C语言的输入输出头文件
using namespace std;? ? ? ? //调用c++标准库，功能强大?
?学生结构体：
struct students
{
?? ?string name;//姓名?
?? ?string num;//学号?
?? ?int chinese;//语文成绩?
?? ?int math;//数学成绩?
?? ?int english;//英语成绩?? ??? ?
?? ?int sum;//总分?
?? ?int rank;//排名?
}stu[100];中间学生结构体：
//用于后续"删除”功能的使用，后面会详解。
struct student
{
?? ?string name;//姓名?
?? ?string num;//学号?
?? ?int chinese;//语文成绩?
?? ?int math;//数学成绩?
?? ?int english;//英语成绩?? ??? ?
?? ?int sum;//总分?
?? ?int rank;//排名?
}_stu[100];函数声明：
void cover();//封面函数声明?
void menu_main();//主菜单函数声明
void menu_search();//搜索菜单函数声明
void menu_single();//单科成绩菜单函数声明功能实现：
1、录入学生信息
cout<<"Please enter the number of students:"<<endl;
cin>>n;
cout<<"Please enter student information:"<<endl;
cout<<"INCLUDE:";
for(int i = 1; i <= n; i++)
{
cout<<endl<<"Name : "; cin>>stu[i].name;
cout<<"Numbers : "; cin>>stu[i].num;
cout<<"Chinese score : "; cin>>stu[i].chinese;
cout<<"Math score : "; cin>>stu[i].math;
cout<<"English score : "; cin>>stu[i].english;
stu[i].sum = stu[i].chinese + stu[i].math + stu[i].english;
}2、学生成绩排名
//冒泡排序
for(int i = 1; i <= n ; i++)
{
for(int j = i+1 ; j <= n ; j++)
{
if(stu[j].sum>stu[i].sum)
{
//根据总分排序
int temp = stu[j].sum;
stu[j].sum = stu[i].sum;
stu[i].sum = temp;
//更换学号
string temp0 = stu[j].num;
stu[j].num = stu[i].num;
stu[i].num = temp0;
//更换名字
string temp1 = stu[j].name;
stu[j].name = stu[i].name;
stu[i].name = temp1;
//更换语文成绩
int temp2 = stu[j].chinese;
stu[j].chinese = stu[i].chinese;
stu[i].chinese = temp2;
//更换数学成绩
int temp3 = stu[j].math;
stu[j].math = stu[i].math;
stu[i].math = temp3;
//更换英语成绩
int temp4 = stu[j].english;
stu[j].english = stu[i].english;
stu[i].english = temp4;
}
}
}3、删除学生信息
算法：
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string del_name;
// struct students _stu[100];
cout<<"Please enter the name of the student whose grade you wish to delete（请输入你要删除成绩的学生的姓名）：";
cin>>del_name;
for(int i = 1; i <= n; i++)
{
if(del_name == stu[i].name)//找到了
{
// _stu[i].name = "\\";// \ -是转义字符
// _stu[i].num = "\\" ;
for(int j = 1; j <= i-1; j++)
{
_stu[j].name = stu[j].name;//将i前面的数据转移
_stu[j].num = stu[j].num;
_stu[j].chinese = stu[j].chinese;
_stu[j].math = stu[j].math;
_stu[j].english = stu[j].english;
_stu[j].sum = stu[j].sum;
}
//显然,_stu[i]中和i对应的数据是空的，但是没关系，重新排序就好了 ，此行必在最后面
//name = ' ',num = ' ', c = 0， m = 0， e = 0 ，sum = 0，r = ？
for(int j = i+1; j <= n; j++)
{
_stu[j-1].name = stu[j].name;//将i后面的数据转移
_stu[j-1].num = stu[j].num;
_stu[j-1].chinese = stu[j].chinese;
_stu[j-1].math = stu[j].math;
_stu[j-1].english = stu[j].english;
_stu[j-1].sum = stu[j].sum;
}
n = n - 1;//点睛之笔， 别忘了让整体的数组元素少一
for(int k = 1; k <= n; k++)
{
stu[k].name = _stu[k].name;//换回
stu[k].num = _stu[k].num;
stu[k].chinese = _stu[k].chinese;
stu[k].math = _stu[k].math;
stu[k].english = _stu[k].english;
stu[k].sum = _stu[k].sum;
}
}
}4、查询学生成绩
//基本上就是字符串比较
int mark;
do{
menu_search();
cin>>mark;
if(mark == 1)
{
string num;
cout<<"Input number:";
cin>>num;
for(int i = 1; i <= n; i++)
{
if(num == stu[i].num)
{
cout<<"Name : "<<stu[i].name<<endl;
cout<<"Chinese score : "<<stu[i].chinese<<endl;
cout<<"Math score : "<<stu[i].math<<endl;
cout<<"Englsih score : "<<stu[i].english<<endl;
cout<<"Sum of score : "<<stu[i].sum<<endl;
cout<<"Rank of student "<<stu[i].rank<<endl;
getch();
}
}
}
if(mark == 2)
{
string name;
cout<<"Input name : ";
cin>>name;
for(int i = 1; i <= n; i++)
{
if(name == stu[i].name)
{
cout<<"Number : "<<stu[i].num<<endl;
cout<<"Chinese score : "<<stu[i].chinese<<endl;
cout<<"Math score : "<<stu[i].math<<endl;
cout<<"Englsih score : "<<stu[i].english<<endl;
cout<<"Sum of score : "<<stu[i].sum<<endl;
cout<<"Rank of student "<<stu[i].rank<<endl;
getch();
}
}
}
if(mark == 3)
{
int sum;
cout<<"Input sum of score : ";
cin>>sum;
for(int i = 1; i <= n; i++)
{
if(sum == stu[i].sum)
{
cout<<"Number : "<<stu[i].num<<endl;
cout<<"Name : "<<stu[i].name<<endl;
cout<<"Chinese score : "<<stu[i].chinese<<endl;
cout<<"Math score : "<<stu[i].math<<endl;
cout<<"Englsih score : "<<stu[i].english<<endl;
cout<<"Rank of student "<<stu[i].rank<<endl;
getch();
}
}
}
if(mark == 4)
{
int find;
int search;
do{
menu_single();
cin>>find;
if(find == 1)//查语文
{
for(int i = 1; i <= n; i++)
{
_stu[i].name = stu[i].name;
_stu[i].num = stu[i].num;
_stu[i].chinese = stu[i].chinese;
}
for(int i = 1; i <= n; i++)
{
for(int j = i+1; j <= n; j++)
{
if(_stu[i].chinese < _stu[j].chinese)
{ //更换语文成绩
int temp2 = _stu[j].chinese;
_stu[j].chinese = _stu[i].chinese;
_stu[i].chinese = temp2;
//更换学号
string temp0 = _stu[j].num;
_stu[j].num = _stu[i].num;
_stu[i].num = temp0;
//更换名字
string temp1 = _stu[j].name;
_stu[j].name = _stu[i].name;
_stu[i].name = temp1;
}
}
}
cout<<"Chinese transcripts : "<<endl;
cout<<"Name\tNumber\tChinese : "<<endl;
for(int i = 1; i <= n; i++)
{
cout<<_stu[i].name<<'\t'<<_stu[i].num<<'\t'<<_stu[i].chinese<<endl;
}
cout<<"Failure list of Chinese grades (score < 60 ): "<<endl;
cout<<"Name\tNumber\tChinese : "<<endl;
for(int i = 1; i <= n; i++)
{
if(_stu[i].chinese < 60)
cout<<_stu[i].name<<'\t'<<_stu[i].num<<'\t'<<_stu[i].chinese<<endl;
}
cout<<"For a quick search, press 5,(快捷搜索);"<<"Return to the parent directory , press 0 "<<endl;
cin>>search;
if(search == 5)
{
do{
system("cls");
int con;
string S_name,S_num;
cout<<"[Quick search]"<<endl<<endl;
cout<<"Press '1' to continue,press '0' to stop ."<<endl;
getch();
cin>>con;
if(con == 1)
{
cout<<"Please enter the name and student id"<<endl;
cout<<"Name: "; cin>>S_name; cout<<"ID : "; cin>>S_num;
for(int i = 1; i <= n; i++)
{
if(S_name == _stu[i].name && S_num == _stu[i].num)
{
cout<<"Chinese : "<<_stu[i].chinese<<endl;
}
}
getch();
}
if(con == 0)
search = 0;
}while( search!= 0);
}
cout<<"After the display is complete, press any key to return to the parent directory (@^V^@);"<<endl;
getch();
}?
5、修改学生成绩
string name,_name,num;
int chinese,math,english,sum;
cout<<"Please enter the name of the person whose score you want to change:(你要修改谁的成绩？):";
cin>>name;
cout<<"Please re-enter the correct information (请重新输入正确的信息):"<<endl;
cout<<"Name : "<<' '; cin>>_name;
cout<<"Number : "<<' '; cin>>num;
cout<<"Chinese : "<<' '; cin>>chinese;
cout<<"English : "<<' '; cin>>english;
cout<<"Math : "<<' '; cin>>math;
sum = chinese + english + math;
for(int i = 1; i <= n; i++)
{
if(name == stu[i].name)
{
stu[i].name = _name;
stu[i].num = num;
stu[i].chinese = chinese;
stu[i].math = math;
stu[i].english = english;
stu[i].sum = sum;
}
} 6、显示学生成绩
system("cls");//清屏函数
cout<<"Student grades are as follows:"<<endl;
cout<<"学号\t姓名\t语文\t数学\t英语\t总分\t名次"<<endl;
for(int i = 1; i <= n; i++)
{
stu[i].rank = i;
cout<<stu[i].num<<'\t'<<stu[i].name<<'\t'<<stu[i].
chinese<<'\t'<<stu[i].math<<'\t'<<stu[i].english<<
'\t'<<stu[i].sum<<'\t'<<stu[i].rank<<endl;
}
getch();注：单科成绩单与不及格名单都在查询功能模块内，详细功能请参考下面完整代码。
（四）程序源代码
#include<iostream>
#include<conio.h>
#include<stdlib.h>
#include<stdio.h>
using namespace std;
struct students
{
string name;//姓名
string num;//学号
int chinese;//语文成绩
int math;//数学成绩
int english;//英语成绩
int sum;//总分
int rank;//排名
}stu[100];
//替身
struct student
{
string name;//姓名
string num;//学号
int chinese;//语文成绩
int math;//数学成绩
int english;//英语成绩
int sum;//总分
int rank;//排名
}_stu[100];
void cover();//封面函数声明
void menu_main();
void menu_search();
void menu_single();
int main()
{
cover();
getch();
int n;
int flag;
system("cls");
cout<<"Please enter the number of students:"<<endl;
cin>>n;
cout<<"Please enter student information:"<<endl;
cout<<"INCLUDE:"<<endl;
for(int i = 1; i <= n; i++)
{
cout<<"----------------the number of "<<i<<" student:-------------------"<<endl;
cout<<"Name : "; cin>>stu[i].name;
cout<<"Numbers : "; cin>>stu[i].num;
cout<<"Chinese score : "; cin>>stu[i].chinese;
cout<<"Math score : "; cin>>stu[i].math;
cout<<"English score : "; cin>>stu[i].english;
stu[i].sum = stu[i].chinese + stu[i].math + stu[i].english;
}
do{
menu_main();
cin>>flag;
if(flag == 1)//新加一位
{
n = n+1;
cout<<"Please enter new student information : "<<endl;
cout<<"INCLUDE:";
cout<<endl<<"Name : "; cin>>stu[n].name;
cout<<"Numbers : "; cin>>stu[n].num;
cout<<"Chinese score : "; cin>>stu[n].chinese;
cout<<"Math score : "; cin>>stu[n].math;
cout<<"English score : "; cin>>stu[n].english;
stu[n].sum = stu[n].chinese + stu[n].math + stu[n].english;
cout<<"Add to complete (^v^)!"<<endl;
getch();
}
if(flag == 2)//成绩排名
{
//冒泡排序
for(int i = 1; i <= n ; i++)
{
for(int j = i+1 ; j <= n ; j++)
{
if(stu[j].sum>stu[i].sum)
{
//根据总分排序
int temp = stu[j].sum;
stu[j].sum = stu[i].sum;
stu[i].sum = temp;
//更换学号
string temp0 = stu[j].num;
stu[j].num = stu[i].num;
stu[i].num = temp0;
//更换名字
string temp1 = stu[j].name;
stu[j].name = stu[i].name;
stu[i].name = temp1;
//更换语文成绩
int temp2 = stu[j].chinese;
stu[j].chinese = stu[i].chinese;
stu[i].chinese = temp2;
//更换数学成绩
int temp3 = stu[j].math;
stu[j].math = stu[i].math;
stu[i].math = temp3;
//更换英语成绩
int temp4 = stu[j].english;
stu[j].english = stu[i].english;
stu[i].english = temp4;
}
}
}
//rank
for(int i = 1; i <= n; i++)
{
stu[i].rank = i;
}
cout<<"The student ranking is complete !(^v^)!"<<endl;
getch();
}
if(flag == 3)//查询学生成绩
{
int mark;
do{
menu_search();
cin>>mark;
if(mark == 1)
{
string num;
cout<<"Input number:";
cin>>num;
for(int i = 1; i <= n; i++)
{
if(num == stu[i].num)
{
cout<<"Name : "<<stu[i].name<<endl;
cout<<"Chinese score : "<<stu[i].chinese<<endl;
cout<<"Math score : "<<stu[i].math<<endl;
cout<<"Englsih score : "<<stu[i].english<<endl;
cout<<"Sum of score : "<<stu[i].sum<<endl;
cout<<"Rank of student "<<stu[i].rank<<endl;
getch();
}
}
}
if(mark == 2)
{
string name;
cout<<"Input name : ";
cin>>name;
for(int i = 1; i <= n; i++)
{
if(name == stu[i].name)
{
cout<<"Number : "<<stu[i].num<<endl;
cout<<"Chinese score : "<<stu[i].chinese<<endl;
cout<<"Math score : "<<stu[i].math<<endl;
cout<<"Englsih score : "<<stu[i].english<<endl;
cout<<"Sum of score : "<<stu[i].sum<<endl;
cout<<"Rank of student "<<stu[i].rank<<endl;
getch();
}
}
}
if(mark == 3)
{
int sum;
cout<<"Input sum of score : ";
cin>>sum;
for(int i = 1; i <= n; i++)
{
if(sum == stu[i].sum)
{
cout<<"Number : "<<stu[i].num<<endl;
cout<<"Name : "<<stu[i].name<<endl;
cout<<"Chinese score : "<<stu[i].chinese<<endl;
cout<<"Math score : "<<stu[i].math<<endl;
cout<<"Englsih score : "<<stu[i].english<<endl;
cout<<"Rank of student "<<stu[i].rank<<endl;
getch();
}
}
}
if(mark == 4)
{
int find;
int search;
do{
menu_single();
cin>>find;
if(find == 1)//查语文
{
for(int i = 1; i <= n; i++)
{
_stu[i].name = stu[i].name;
_stu[i].num = stu[i].num;
_stu[i].chinese = stu[i].chinese;
}
for(int i = 1; i <= n; i++)
{
for(int j = i+1; j <= n; j++)
{
if(_stu[i].chinese < _stu[j].chinese)
{ //更换语文成绩
int temp2 = _stu[j].chinese;
_stu[j].chinese = _stu[i].chinese;
_stu[i].chinese = temp2;
//更换学号
string temp0 = _stu[j].num;
_stu[j].num = _stu[i].num;
_stu[i].num = temp0;
//更换名字
string temp1 = _stu[j].name;
_stu[j].name = _stu[i].name;
_stu[i].name = temp1;
}
}
}
cout<<"Chinese transcripts : "<<endl;
cout<<"Name\tNumber\tChinese : "<<endl;
for(int i = 1; i <= n; i++)
{
cout<<_stu[i].name<<'\t'<<_stu[i].num<<'\t'<<_stu[i].chinese<<endl;
}
cout<<"Failure list of Chinese grades (score < 60 ): "<<endl;
cout<<"Name\tNumber\tChinese : "<<endl;
for(int i = 1; i <= n; i++)
{
if(_stu[i].chinese < 60)
cout<<_stu[i].name<<'\t'<<_stu[i].num<<'\t'<<_stu[i].chinese<<endl;
}
cout<<"For a quick search, press 5,(快捷搜索);"<<"Return to the parent directory , press 0 "<<endl;
cin>>search;
if(search == 5)
{
do{
system("cls");
int con;
string S_name,S_num;
cout<<"[Quick search]"<<endl<<endl;
cout<<"Press '1' to continue,press '0' to stop ."<<endl;
getch();
cin>>con;
if(con == 1)
{
cout<<"Please enter the name and student id"<<endl;
cout<<"Name: "; cin>>S_name; cout<<"ID : "; cin>>S_num;
for(int i = 1; i <= n; i++)
{
if(S_name == _stu[i].name && S_num == _stu[i].num)
{
cout<<"Chinese : "<<_stu[i].chinese<<endl;
}
}
getch();
}
if(con == 0)
search = 0;
}while( search!= 0);
}
cout<<"After the display is complete, press any key to return to the parent directory (@^V^@);"<<endl;
getch();
}
if(find == 2)//查数学
{
for(int i = 1; i <= n; i++)
{
_stu[i].name = stu[i].name;
_stu[i].num = stu[i].num;
_stu[i].math = stu[i].math;
}
for(int i = 1; i <= n; i++)
{
for(int j = i+1; j <= n; j++)
{
if(_stu[i].math < _stu[j].math)
{ //更换数学成绩
int temp2 = _stu[j].math;
_stu[j].math = _stu[i].math;
_stu[i].math = temp2;
//更换学号
string temp0 = _stu[j].num;
_stu[j].num = _stu[i].num;
_stu[i].num = temp0;
//更换名字
string temp1 = _stu[j].name;
_stu[j].name = _stu[i].name;
_stu[i].name = temp1;
}
}
}
cout<<"math transcripts : "<<endl;
cout<<"Name\tNumber\tMath : "<<endl;
for(int i = 1; i <= n; i++)
{
cout<<_stu[i].name<<'\t'<<_stu[i].num<<'\t'<<_stu[i].math<<endl;
}
cout<<"Failure list of math grades (score < 60 ): "<<endl;
cout<<"Name\tNumber\tMath : "<<endl;
for(int i = 1; i <= n; i++)
{
if(_stu[i].math < 60)
cout<<_stu[i].name<<'\t'<<_stu[i].num<<'\t'<<_stu[i].math<<endl;
}
cout<<"For a quick search, press 5,(快捷搜索);"<<"Return to the parent directory , press 0 "<<endl;
cin>>search;
if(search == 5)
{
do{
system("cls");
int con;
string S_name,S_num;
cout<<"[Quick search]"<<endl<<endl;
cout<<"Press '1' to continue,press '0' to stop ."<<endl;
getch();
cin>>con;
if(con == 1)
{
cout<<"Please enter the name and student id"<<endl;
cout<<"Name: "; cin>>S_name; cout<<"ID : "; cin>>S_num;
for(int i = 1; i <= n; i++)
{
if(S_name == _stu[i].name && S_num == _stu[i].num)
{
cout<<"Math : "<<_stu[i].math<<endl;
}
}
getch();
}
if(con == 0)
search = 0;
}while( search!= 0);
}
cout<<"After the display is complete, press any key to return to the parent directory(@^V^@);"<<endl;
getch();
}
if(find == 3)//查英语
{
for(int i = 1; i <= n; i++)
{
_stu[i].name = stu[i].name;
_stu[i].num = stu[i].num;
_stu[i].english = stu[i].english;
}
for(int i = 1; i <= n; i++)
{
for(int j = i+1; j <= n; j++)
{
if(_stu[i].english < _stu[j].english)
{
//更换英语成绩
int temp2 = _stu[j].english;
_stu[j].english = _stu[i].english;
_stu[i].english = temp2;
//更换学号
string temp0 = _stu[j].num;
_stu[j].num = _stu[i].num;
_stu[i].num = temp0;
//更换名字
string temp1 = _stu[j].name;
_stu[j].name = _stu[i].name;
_stu[i].name = temp1;
}
}
}
cout<<"english transcripts : "<<endl;
cout<<"Name\tNumber\tEnglish : "<<endl;
for(int i = 1; i <= n; i++)
{
cout<<_stu[i].name<<'\t'<<_stu[i].num<<'\t'<<_stu[i].english<<endl;
}
cout<<"Failure list of english grades (score < 60 ): "<<endl;
cout<<"Name\tNumber\tEnglish : "<<endl;
for(int i = 1; i <= n; i++)
{
if(_stu[i].english < 60)
cout<<_stu[i].name<<'\t'<<_stu[i].num<<'\t'<<_stu[i].english<<endl;
}
cout<<"For a quick search, press 5,(快捷搜索);"<<"Return to the parent directory , press 0 "<<endl;
cin>>search;
if(search == 5)
{
do{
system("cls");
int con;
string S_name,S_num;
cout<<"[Quick search]"<<endl<<endl;
cout<<"Press '1' to continue,press '0' to stop ."<<endl;
getch();
cin>>con;
if(con == 1)
{
cout<<"Please enter the name and student id"<<endl;
cout<<"Name: "; cin>>S_name; cout<<"ID : "; cin>>S_num;
for(int i = 1; i <= n; i++)
{
if(S_name == _stu[i].name && S_num == _stu[i].num)
{
cout<<"English : "<<_stu[i].english<<endl;
}
}
getch();
}
if(con == 0)
search = 0;
}while( search!= 0);
}
cout<<"After the display is complete, press any key to return to the parent directory(@^V^@);"<<endl;
getch();
}
}while(find != 0);
}
}while(mark != 0);
cout<<"All content is displayed"<<endl;
getch();
}
if(flag == 4)//修改成绩
{
string name,_name,num;
int chinese,math,english,sum;
cout<<"Please enter the name of the person whose score you want to change:(你要修改谁的成绩？):";
cin>>name;
cout<<"Please re-enter the correct information (请重新输入正确的信息):"<<endl;
cout<<"Name : "<<' '; cin>>_name;
cout<<"Number : "<<' '; cin>>num;
cout<<"Chinese : "<<' '; cin>>chinese;
cout<<"English : "<<' '; cin>>english;
cout<<"Math : "<<' '; cin>>math;
sum = chinese + english + math;
for(int i = 1; i <= n; i++)
{
if(name == stu[i].name)
{
stu[i].name = _name;
stu[i].num = num;
stu[i].chinese = chinese;
stu[i].math = math;
stu[i].english = english;
stu[i].sum = sum;
}
}
cout<<"Modified completed !(^v^)!"<<endl;
getch();
}
if(flag == 5)//删除成绩
{
string del_name;
// struct students _stu[100];
cout<<"Please enter the name of the student whose grade you wish to delete（请输入你要删除成绩的学生的姓名）：";
cin>>del_name;
for(int i = 1; i <= n; i++)
{
if(del_name == stu[i].name)//找到了
{
// _stu[i].name = "\\";// \ -是转义字符
// _stu[i].num = "\\" ;
for(int j = 1; j <= i-1; j++)
{
_stu[j].name = stu[j].name;//将i前面的数据转移
_stu[j].num = stu[j].num;
_stu[j].chinese = stu[j].chinese;
_stu[j].math = stu[j].math;
_stu[j].english = stu[j].english;
_stu[j].sum = stu[j].sum;
}
//显然,_stu[i]中和i对应的数据是空的，但是没关系，重新排序就好了 ，此行必在最后面
//name = ' ',num = ' ', c = 0， m = 0， e = 0 ，sum = 0，r = ？
for(int j = i+1; j <= n; j++)
{
_stu[j-1].name = stu[j].name;//将i后面的数据转移
_stu[j-1].num = stu[j].num;
_stu[j-1].chinese = stu[j].chinese;
_stu[j-1].math = stu[j].math;
_stu[j-1].english = stu[j].english;
_stu[j-1].sum = stu[j].sum;
}
n = n - 1;//点睛之笔， 别忘了让整体的数组元素少一
for(int k = 1; k <= n; k++)
{
stu[k].name = _stu[k].name;//换回
stu[k].num = _stu[k].num;
stu[k].chinese = _stu[k].chinese;
stu[k].math = _stu[k].math;
stu[k].english = _stu[k].english;
stu[k].sum = _stu[k].sum;
}
}
}
cout<<"Delete finished, please reorder（删除完毕，请重新排序）!(^v^)!"<<endl;
getch();
}
if(flag == 6)//显示学生成绩信息
{
system("cls");
cout<<"Student grades are as follows:"<<endl;
cout<<"学号\t姓名\t语文\t数学\t英语\t总分\t名次"<<endl;
for(int i = 1; i <= n; i++)
{
stu[i].rank = i;
cout<<stu[i].num<<'\t'<<stu[i].name<<'\t'<<stu[i].
chinese<<'\t'<<stu[i].math<<'\t'<<stu[i].english<<
'\t'<<stu[i].sum<<'\t'<<stu[i].rank<<endl;
}
getch();
}
}while(flag != 0);
return 0;
}
void cover()
{
cout<<"====================================================================================="<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl<<"*"
<<" *"<<endl;
cout<<"* Welcome to the Student Achievement Management System *"<<endl;//欢迎使用学生成绩管理系统
cout<<"* ( 欢 迎 使 用 学 生 成 绩 管 理 系 统 ) *" <<endl;
cout<<"* *"<<endl<<
"* *"<<endl
<<"* *"<<endl
<<"* *"<<endl
<<"* *"<<endl
<<"* *"<<endl
<<"* *"<<endl
<<"* *"<<endl
<<"* *"<<endl
<<"* *"<<endl
<<"* *"<<endl
<<"=====================================================================================";
}
void menu_main()//主页菜单
{
system("cls");
cout<<endl;
cout<<"====================================================================================="<<endl;
cout<<"* The home page menu *"<<endl;
cout<<"====================================================================================="<<endl;
cout<<"* 1 : Add（添加） a new classmate information; *"<<endl;
cout<<"* 2 : Student Achievement Ranking（排名）; *"<<endl;
cout<<"* 3 : Inquire(查询) student grades information; *"<<endl;
cout<<"* 4 : Change(修改) student grades information; *"<<endl;
cout<<"* 5 : Delete(删除) student grades information; *"<<endl;
cout<<"* 6 : Display（展示） student information; *"<<endl;
cout<<"* 0 : Pressing '0' : Exit to system ; *"<<endl;
cout<<"====================================================================================="<<endl;
}
void menu_search()//查询菜单
{
system("cls");
cout<<endl;
cout<<"-------------------------------------------------------------------------------------"<<endl;
cout<<"* Inquiry Modes: *"<<endl;
cout<<"-------------------------------------------------------------------------------------"<<endl;
cout<<"* 1：Student number query; *"<<endl;
cout<<"* 2：Name query; *"<<endl;
cout<<"* 3：Total score query; *"<<endl;
cout<<"* 4: Single subject score(单科成绩) query *"<<endl;
cout<<"* and fail statistics（不及格统计）; *"<<endl;
cout<<"* 0: Return main menu. *"<<endl;
cout<<"-------------------------------------------------------------------------------------"<<endl;
}
void menu_single()//单科查询
{
system("cls");
cout<<endl;
cout<<"-------------------------------------------------------------------------------------"<<endl;
cout<<"* Subjects area : *"<<endl;
cout<<"-------------------------------------------------------------------------------------"<<endl;
cout<<"* 1: Chinese transcript; *"<<endl;
cout<<"* 2: Math transcript; *"<<endl;
cout<<"* 3: English transcript; *"<<endl;
cout<<"* 0: Return to the parent directory; *"<<endl;
cout<<"* Attention: Press the 1 or 2 or 3 key to select; *"<<endl;
cout<<"-------------------------------------------------------------------------------------"<<endl;
} 注：本程序全部采用面向过程编程，思路和逻辑都属于C语言范畴，但输入输出为了方便都采用了cout，cin等高级语法，读者可自行更改；并且大量提示信息都采用英文书写更显高级感，读者觉得看着不方便也可自行改成中文；最后，谢谢大家的阅读与采纳。
