急需 c++的课程设计学生选修课系统
课程要求
1、问题描述
高校中学生信息包括：学号、姓名、性别、年龄、系别、班级、联系方式等信息。
课程信息包括：课程代码、课程名称、课程性质、总学时、学分、开课学期、选修人数等信息。学生可对课程信息进行查询，选修符合要求的课程。
根据课程信息和学生信息完成对课程的选修，需要专门的一个管理类来完成选修工作。
2、功能要求
（1）添加功能：程序能够任意添加课程和学生记录，可提供选择界面供用户选择所要添加的类别，要求编号要唯一，如果添加了重复编号的记录时，则提示数据添加重复并取消添加。
（2）查询功能：可根据编号、姓名等信息对已添加的学生和课程记录进行查询，如果未找到，给出相应的提示信息，如果找到，则显示相应的记录信息。
（3）显示功能：可显示当前系统中所有学生和课程的记录，每条记录占据一行。
（4）编辑功能：可根据查询结果对相应的记录进行修改，修改时注意编号的唯一性。
（5）删除功能：主要实现对已添加的学生和课程记录进行删除。如果当前系统中没有相应的记录，则提示“记录为空！”并返回操作。
（6）统计功能：能根据多种参数进行统计。能统计学生人数、课程的门数、选修某门课程的学生的相关信息。
（7）保存功能：可将当前系统中各类记录存入文件中，存入方式任意。
（8）读取功能：可将保存在文件中的信息读入到当前系统中，供用户进行使用。
需要详细注释 最重要的是我有不懂的问题可以帮忙解答！ 我有不懂的问题可以帮忙解答！ 我有不懂de问题可以帮忙解答！
具体结构以图片为准
#include<iostream>
#include<iomanip>
#include<fstream>
#include<string>
#include<map>
#include<vector>
#include<algorithm>
using namespace std;
struct some
{
string snumber;
string sname;
string sclas;
float ps;
float ks;
};
class course{
vector<some>sss;
map<string,int>ss;//学号与位置
map<string,int>::iterator ss1;
string name,no,banhao,teacher,where[5];
int number,time[5],n;//课容量
float xuefen,chengji;
public:
course(string n,string na,float fen,int x,string z): no(n),name(na),xuefen(fen),number(x),banhao(z){chengji=0;teacher="-1";}
course(){name="-1";no="-1";banhao="-1";teacher="-1";
xuefen=0;number=0;chengji=0;}
string getno(){return no;}
void setno(string n){no=n;}
string getbanhao(){return banhao;}
void setbanhao(string n){banhao=n;}
string getname(){return name;}
void setname(string n){name=n;}
string getteacher(){return teacher;}//任课老师
string getsssnumber(int a){return sss[a].snumber;}//所含学生
string getsssname(int a){return sss[a].sname;}
string getsssclas(int a){return sss[a].sclas;}
float getsssps(int a){return sss[a].ps;}
float getsssks(int a){return sss[a].ks;}
void displaystudent();
int sssn(){return sss.size();}
void addstudent(string a,string b,string c,float x,float y);
void erasestudent(string a);
void setteacher(string n){teacher=n;}
float getxuefen(){return xuefen;}
void setxuefen(float n){xuefen=n;}
int getnumber(){return number;}
void setnumber(int n){number=n;}
float getichengji(string a){return sss[ss[a]].ps*0.3+sss[ss[a]].ks*0.7;}
int getn(){return n;}
void paixv();
void tianjiaps(string a,float b){sss[ss[a]].ps=b;}
void tianjiaks(string a,float b){sss[ss[a]].ks=b;}
float getps(string a) {ss1=ss.find(a); if(ss1!=ss.end()) return sss[ss[a]].ps; else return -1;}
float getks(string a) {ss1=ss.find(a); if(ss1!=ss.end()) return sss[ss[a]].ks; else return -1;}
float getjiji(string a){ss1=ss.find(a); if(ss1!=ss.end()) return sss[ss[a]].ps*0.3+sss[ss[a]].ks*0.7;else return -1;}
int gettime(int a){return time[a];}
string getwhere(int a){return where[a];}
friend ostream&operator<<(ostream &os,course &d);
friend istream&operator>>(istream &is,course &d);
};
ostream&operator<<(ostream &os,course &d)
{
int i;
cout<<"课程代号\t课程名称\t课程学分\t课堂容量\t教学班号\t任课老师"<<endl;
os<<d.no<<"\t\t"<<d.name<<"\t"<<d.xuefen<<"\t\t"<<d.number<<"\t\t"<<d.banhao<<"\t\t";
if(d.teacher=="-1") cout<<"暂无"<<endl;
else cout<<d.teacher;
cout<<endl;
cout<<"上课时间\t上课地点"<<endl;//应该是文件读入课程信息、、
if(d.n==0) cout<<"暂无"<<endl;
for(i=0;i<d.n;i++)
{
cout<<"周";
os<<d.time[i]/10;
cout<<"第";
os<<d.time[i]%10;
cout<<"节";
os<<"\t"<<d.where[i]<<endl;
}
return os;
}
istream&operator>>(istream &is,course &d)
{string a,b,c;
float x;
int z,i=0,k=0;
cout<<"请依次输入课程代号、课程名称、学分、课容量、教学班号，输入-1结束"<<endl;
is>>a;
if(a=="-1") {d.setno("-1");return is;}
is>>b;
is>>x;
is>>z>>c;
course t(a,b,x,z,c);
while(1)
{cout<<"输入上课时间、地点，输入-1结束"<<endl;
is>>t.time[i];
if(t.time[i]==-1) break;
is>>t.where[i];
i++;
}
d=t;
d.n=i;
return is;
}
bool cmp1(course a,course b)//课程号字典排序
{
return a.getno()<b.getno();
}
bool ccc(struct some &a,struct some &b)
{
return a.snumber<b.snumber;
}
void course::paixv()
{
//sort(sss.begin(),sss.end(),ccc);
ss.clear();
for(int i=0;i<sss.size();i++)
ss.insert(make_pair(sss[i].snumber,i));
}
void course::addstudent(string a,string b,string c,float x,float y)
{
struct some A={a,b,c,x,y};
sss.push_back(A);
paixv();
}
void course::erasestudent(string a)
{ paixv();//cout<<sss.size()<<endl;
ss1=ss.find(a);
if(ss1!=ss.end())
{
ss.erase(ss1);
sss.erase(sss.begin()+ss1->second);paixv();}
}
void course::displaystudent()
{
int i;
cout<<"共有"<<sss.size()<<"人选了此门课程"<<endl;
if(sss.size()==0) return ;
cout<<"选课学生信息："<<endl;
cout<<"学生学号\t学生姓名\t所属班级\t平时成绩\t考试成绩\t综合成绩"<<endl;
for(i=0;i<sss.size();i++)
{cout<<sss[i].snumber<<"\t"<<sss[i].sname<<"\t\t"<<sss[i].sclas<<"\t"<<sss[i].ps<<"\t\t"<<sss[i].ks<<"\t\t";
cout<<sss[i].ps*0.3+sss[i].ks*0.7<<endl;
}
cout<<endl;
}
class student{
vector<course>c;
vector<course>::iterator it;
map<string,int>ma;
map<string,int>::iterator ma1;
course z;
string name,number,clas;
int n;//所选课程总和
float average,jidian,zong;
float s;//课程绩点总和
int rankk;
string kebiao[6][8];
float all;//已选学分
public:
student(string num,string na,string cla):number(num),name(na),clas(cla)
{
for(int i=0;i<=5;i++)
for(int j=0;j<=7;j++)
kebiao[i][j]="--------";
}
student(){
name="-1";number="-1";clas="-1";
}
string getnumber(){return number;}
void setnumber(string m){number=m;}
string getname(){return name;}
void setname(string m){name=m;}
string getclas(){return clas;}
void setclas(string m){clas=m;}
int getn(){return c.size();}
void setn(int a){n=a;}
float getxuefen(){return all;}
float getjidian(){return jidian;}
void setjidian(float a){jidian=a;}
float getaverage(){return average;}
void NEW();
int find(string a);
void add(course a);
void erasee(string noo);
float dankechengji(int i){return c[i].getichengji(number);}
void xiugai();
int getfind();
void paixv();
void kebiaodisplay();
void displayalll();
int chake(int a){if(kebiao[a%10][a/10]!="--------") return 1;else return 0;}
int chakecheng(string a){ma1=ma.find(a); if(ma1!=ma.end()) return ma[a];else return -1;}
string courseno(int k){return c[k].getno();}
string coursehao(int j){return c[j].getbanhao();}
friend ostream&operator<<(ostream &os,student &d);
friend istream&operator>>(istream &is,student &d);
void displayall();
};
void student::displayalll()
{
float zong=0,xuefen=0;
int i,j;
for(int i=0;i<c.size();i++)
{
if(c[i].getjiji(number)<60) cout<<"0"<<endl;
else {cout<<(c[i].getjiji(number)/10-5)*c[i].getxuefen()<<endl;
zong+=(c[i].getjiji(number)/10-5)*c[i].getxuefen();}
xuefen+=c[i].getxuefen();
}
if(zong==0) setjidian(0);
else
setjidian(zong/xuefen);
}
void student::displayall()
{system("cls");
float zong=0,xuefen=0;
int i,j;
cout<<"课程名称\t课程成绩\t课程学分\t课程绩点"<<endl;
for(int i=0;i<c.size();i++)
{
cout<<c[i].getname()<<"\t"<<c[i].getjiji(number)<<"\t\t"<<c[i].getxuefen()<<"\t";
if(c[i].getjiji(number)<60) cout<<"0"<<endl;
else {cout<<(c[i].getjiji(number)/10-5)*c[i].getxuefen()<<endl;
zong+=(c[i].getjiji(number)/10-5)*c[i].getxuefen();}
xuefen+=c[i].getxuefen();
}
if(zong==0) setjidian(0);
else
setjidian(zong/xuefen);
cout<<"平均学分绩点:\t"<<getjidian()<<endl;system("pause");
}
void student::kebiaodisplay()
{
int i,j;
cout<<" 周一\t\t周二\t\t周三\t\t周四\t\t周五\t\t周六\t\t周日"<<endl;
for(i=1;i<=5;i++)
{
cout<<"第"<<i<<"大节\t";
for(j=1;j<=7;j++)
cout<<kebiao[i][j]<<"\t";
cout<<endl;
}
}
ostream&operator<<(ostream &os,student &d)
{
cout<<"-----------------------------------------------"<<endl;
cout<<"学号\t\t姓名\t\t班级\t\t平均学分绩点\t选课总数"<<endl;
os<<d.number<<"\t"<<d.name<<"\t\t"<<d.clas<<"\t"<<d.getjidian()<<"\t\t"<<d.c.size()<<endl;
for(int i=0;i<d.c.size();i++)
{os<<d.c[i];
cout<<"成绩:"<<d.dankechengji(i)<<endl<<endl;}
cout<<"-----------------------------------------------"<<endl<<endl;
return os;
}
istream&operator>>(istream &is,student &d)
{
string a,b,c,x;
cout<<"依次输入学生学号、姓名、班级,按-1结束输入"<<endl;
is>>a;
if(a=="-1") {d.setnumber(a);return is;}
is>>b>>c;
student t(a,b,c);
d=t;
return is;
}
void student::paixv()
{
ma.clear();
sort(c.begin(),c.end(),cmp1);
n=c.size();
for(int i=0;i<n;i++)
ma.insert(make_pair(c[i].getno(),i));
}
void student::NEW()
{
average=zong/n;
jidian=s/all;
}
void student::add(course a)
{
c.push_back(a);
ma.insert(make_pair(a.getno(),c.size()-1));
all+=a.getxuefen();
n=c.size();
for(int i=0;i<a.getn();i++)
kebiao[a.gettime(i)%10][a.gettime(i)/10]=a.getname();
paixv();
}
void student::erasee(string noo)
{
ma1=ma.find(noo);if(ma1==ma.end()){cout<<"未选此课"<<endl;return ;}
cout<<c[ma[noo]]<<endl;cout<<"退选成功"<<endl;
for(int i=0;i<c[ma[noo]].getn();i++)
kebiao[c[ma[noo]].gettime(i)%10][c[ma[noo]].gettime(i)/10]="--------";
c.erase(c.begin()+ma[noo]);
ma.erase(ma1);n=c.size();
paixv();
}
bool cmps(student a,student b)//学生按学号排序
{
return a.getnumber()<b.getnumber();
}
bool cmps1(student a,student b)//学生按绩点排序
{
return a.getjidian()>b.getjidian();
}
class teacher{
string hao;
string yuanxi;
string name;
int number;
vector<course>c;
vector<course>::iterator it;
map<string,int>ma;
map<string,int>::iterator ma1;
course z;
string kebiao[6][8];
public:
teacher(string a,string b,string c):hao(a),yuanxi(c),name(b)
{for(int i=0;i<=5;i++)
for(int j=0;j<=7;j++)
kebiao[i][j]="--------";}
teacher(){
hao="-1";yuanxi="-1";name="-1";number=0;}
string gethao(){return hao;}
void sethao(string a){hao=a;}
string getyuanxi(){return yuanxi;}
void setyuanxi(string a){yuanxi=a;}
string getname(){return name;}
void setname(string a){name=a;}
int getnumber(){return c.size();}
void setnumber(int a){number=a;}
void paixv();
void add(course a);
int chake(int a){if(kebiao[a%10][a/10]!="--------") return 1;else return 0;}
int chakecheng(string a,string b){ma1=ma.find(a); if(ma1!=ma.end()&&c[ma[a]].getbanhao()==b) return ma[a];else return -1;}
string courseno(int k){return c[k].getno();}
int chakechengm(string a){ma1=ma.find(a); if(ma1!=ma.end()) return ma[a];else return -1;}
string coursehao(int j){return c[j].getbanhao();}
void erasee(string noo);
void kebiaodisplay();
void displaystudent(string a,string b);
void setpschengji(string a,int i,float ji)
{c[ma[a]].tianjiaps(c[ma[a]].getsssnumber(i),ji);}
void setkschengji(string a,int i,float ji)
{c[ma[a]].tianjiaks(c[ma[a]].getsssnumber(i),ji);}
friend ostream&operator<<(ostream &os,teacher &d);
friend istream&operator>>(istream &is,teacher &d);
};
void teacher::displaystudent(string a,string b)
{ ma1=ma.find(a);
if(ma1!=ma.end()&&c[ma[a]].getbanhao()==b)
c[ma[a]].displaystudent();
else cout<<"输入有误，请重新输入"<<endl;
system("pause");
}
void teacher::kebiaodisplay()
{
int i,j;
cout<<" 周一\t\t周二\t\t周三\t\t周四\t\t周五\t\t周六\t\t周日"<<endl;
for(i=1;i<=5;i++)
{
cout<<"第"<<i<<"大节\t";
for(j=1;j<=7;j++)
cout<<kebiao[i][j]<<"\t";
cout<<endl;
}
}
ostream&operator<<(ostream &os,teacher &d)
{cout<<"-----------------------------------------------"<<endl;
cout<<"教师工号\t教师姓名\t所属院系\t教授课程总数"<<endl;
os<<d.hao<<"\t\t"<<d.name<<"\t\t"<<d.yuanxi<<"\t\t"<<d.c.size()<<endl;
cout<<"教授课程:"<<endl;
for(int i=0;i<d.c.size();i++)
{os<<d.c[i]<<endl;
d.c[i].displaystudent();}
cout<<"-----------------------------------------------"<<endl;
return os;
}
istream&operator>>(istream &is,teacher &d)
{
string a,b,c;
cout<<"依次输入教师工号、教师姓名、院系，输入-1结束"<<endl;
is>>a;
if(a=="-1") {d.sethao(a);return is;}
is>>b>>c;
teacher t(a,b,c);
d=t;
return is;
}
bool cmpt(teacher a,teacher b)//学生按学号排序
{
return a.gethao()<b.gethao();
}
void teacher::paixv()
{
ma.clear();
sort(c.begin(),c.end(),cmp1);
number=c.size();
for(int i=0;i<number;i++)
ma.insert(make_pair(c[i].getno(),i));
}
void teacher::add(course a)
{
c.push_back(a);
number=c.size();
for(int i=0;i<a.getn();i++)
kebiao[a.gettime(i)%10][a.gettime(i)/10]=a.getname();
paixv();
}
void teacher::erasee(string noo)
{
ma1=ma.find(noo);if(ma1==ma.end()) {cout<<"未选此课"<<endl;return ;}
cout<<c[ma1->second]<<endl;cout<<"退选成功"<<endl;
for(int i=0;i<c[ma[noo]].getn();i++)
kebiao[c[ma[noo]].gettime(i)%10][c[ma[noo]].gettime(i)/10]="--------";
c.erase(c.begin()+ma1->second);
ma.erase(ma1);number=c.size();
paixv();
}
class guanli
{
public:
vector<course>c;
vector<course>::iterator it;
map<string,int>ma;
map<string,int>::iterator ma1;
vector<student>s;
vector<student>::iterator its;
map<string,int>mas;
map<string,int>::iterator ma1s;
vector<teacher>t;
vector<teacher>::iterator itt;
map<string,int>mat;
map<string,int>::iterator ma1t;
void addcourse();
void addstudent();
void addteacher();
int searchcourse(string no,string aa);
int searchstudent(string no);
int searchteacher(string no);
void deletecourse();
void deletestudent();
void deleteteacher();
void querycourse();
int qquerycourse(string name,string hao);
void querystudent();
int qquerystudent(string name);
void queryteacher();
int qqueryteacher(string name);
void chargecourse();
void chargestudent();
void chargeteacher();
void displaycourse(int a);
void displaystudent();
void displayteacher();
void menudisplay1();
void menudisplay2(int a);
void menu2(int a);
void menu1();
void load1();
void load2();
void load3();
void save1();
void save2();
void save3();
void paixvc();
void paixvs();
void paixvt();
};
void guanli::paixvc()
{
ma.clear();
sort(c.begin(),c.end(),cmp1);
for(int i=0;i<c.size();i++)
ma.insert(make_pair(c[i].getno(),i));
}
void guanli::paixvs()
{
mas.clear();
sort(s.begin(),s.end(),cmps);
for(int i=0;i<s.size();i++)
mas.insert(make_pair(s[i].getnumber(),i));
}
void guanli::paixvt()
{
mat.clear();
sort(t.begin(),t.end(),cmpt);
for(int i=0;i<t.size();i++)
mat.insert(make_pair(t[i].gethao(),i));
}
void guanli::addcourse()
{
int a;
course z;
while(1)
{system("cls");
cin>>z;
if(z.getno()=="-1") break;
a=searchcourse(z.getno(),z.getbanhao());
if(a!=-1) cout<<"已存在此门课程"<<endl;
else {c.push_back(z); cout<<"已添加"<<endl;}
system("pause");
}
paixvc();
}
void guanli::addstudent()
{
student z;
while(1)
{system("cls");
cin>>z;
if(z.getnumber()=="-1") break;
if(searchstudent(z.getnumber())!=-1) cout<<"已存在此学号学生"<<endl;
else {s.push_back(z);cout<<"学生添加成功"<<endl;}
system("pause");
}paixvs();
}
void guanli::addteacher()
{
teacher z;
while(1)
{system("cls");
cin>>z;
if(z.gethao()=="-1") break;
if(searchteacher(z.gethao())!=-1) cout<<"已存在此工号教师"<<endl;
else {t.push_back(z);cout<<"教师添加成功"<<endl;}
system("pause");
}paixvt();
}
int guanli::searchcourse(string no,string aa)
{
int i;
for(i=0;i<c.size();i++)
if(c[i].getno()==no&&c[i].getbanhao()==aa)
return i;
return -1;
}
int guanli::searchstudent(string no)
{
int i;
for(i=0;i<s.size();i++)
if(s[i].getnumber()==no)
return i;
return -1;
}
int guanli::searchteacher(string no)
{
int i;
for(i=0;i<t.size();i++)
if(t[i].gethao()==no)
return i;
return -1;
}
void guanli::querycourse()
{
int k;
string a;
string name;system("cls");
while(1)
{
cout<<"输入所查课程的课程号和教学班号,输入-1结束"<<endl;
cin>>name;
if(name=="-1") break;
cin>>a;
k=searchcourse(name,a);
if(k!=-1) {cout<<c[k]<<endl;c[k].displaystudent();}
else cout<<"课程号输入有误，请重新输入"<<endl;
}
}
void guanli::querystudent()
{
int k;
string name;system("cls");
while(1)
{cout<<"输入所查学生的学号,输入-1结束"<<endl;
cin>>name;
if(name=="-1") break;
k=searchstudent(name);
if(k!=-1) cout<<s[k]<<endl;
else cout<<"学号输入有误，请重新输入"<<endl;
}
}
int guanli::qquerycourse(string name,string hao)
{
int k;
k=searchcourse(name,hao);
return k;
}
int guanli::qquerystudent(string name)
{
int k;
k=searchstudent(name);
return k;
}
int guanli::qqueryteacher(string name)
{
int k;
k=searchteacher(name);
return k;
}
void guanli::queryteacher()
{
int k;
string name;system("cls");
while(1)
{cout<<"输入所查教师的工号,输入-1结束"<<endl;
cin>>name;
if(name=="-1") break;
k=searchteacher(name);
if(k!=-1) cout<<t[k]<<endl;
else cout<<"工号输入有误，请重新输入"<<endl;
}
}
void guanli::deletecourse()
{
int k;
string na,hao;system("cls");
while(1)
{
cout<<"输入要删除的课程的课程号和班号,输入-1结束"<<endl;
cin>>na;
if(na=="-1") break;
cin>>hao;
k=searchcourse(na,hao);
if(k!=-1) c.erase(c.begin()+k);
else cout<<"课程号输入有误，请重新输入"<<endl;
}
}
void guanli::deletestudent()
{
int k;
string na;system("cls");
while(1)
{
cout<<"输入要删除的学生的学号,输入-1结束"<<endl;
cin>>na;
if(na=="-1") break;
k=searchstudent(na);
if(k!=-1) s.erase(s.begin()+k);
else cout<<"学号输入有误，请重新输入"<<endl;
}
}
void guanli::deleteteacher()
{
int k;
string na;system("cls");
while(1)
{
cout<<"输入要删除的教师的工号,输入-1结束"<<endl;
cin>>na;
if(na=="-1") break;
k=searchteacher(na);
if(k!=-1) t.erase(t.begin()+k);
else cout<<"工号输入有误，请重新输入"<<endl;
}
}
void guanli::chargecourse()
{
int k;
string na,hao;
course zz;system("cls");
while(1)
{
cout<<"输入要修改的课程的课程号和班号,输入-1结束"<<endl;
cin>>na>>hao;
if(na=="-1") break;
k=searchcourse(na,hao);
if(k!=-1)
{
cout<<c[k]<<endl;
cin>>zz;
c[k]=zz;
cout<<"修改后的信息："<<endl;
cout<<c[k]<<endl;
}
else cout<<"课程号输入有误，请重新输入"<<endl;
}
paixvc();
}
void guanli::chargestudent()
{
int k;
string na;
student zz;system("cls");
while(1)
{
cout<<"输入要修改的学生的学号,输入-1结束"<<endl;
cin>>na;
if(na=="-1") break;
k=searchstudent(na);
if(k!=-1)
{
cout<<s[k]<<endl;
cin>>zz;
s[k]=zz;
cout<<"修改后的信息："<<endl;
cout<<s[k]<<endl;
}
else cout<<"学号输入有误，请重新输入"<<endl;
}paixvs();
}
void guanli::chargeteacher()
{
int k;
string na;system("cls");
teacher zz;
while(1)
{
cout<<"输入要修改的教师的工号,输入-1结束"<<endl;
cin>>na;
if(na=="-1") break;
k=searchteacher(na);
if(k!=-1)
{
cout<<t[k]<<endl;
cin>>zz;
t[k]=zz;
cout<<"修改后的信息："<<endl;
cout<<t[k]<<endl;
}
else cout<<"工号输入有误，请重新输入"<<endl;
}paixvt();
}
void guanli::displaycourse(int a)
{system("cls");
string ss;
for(int i=0;i<c.size();i++)
{cout<<"-----------------------------------------------"<<endl;
cout<<c[i]<<endl;
if(a)
{
//cout<<"共有"<<c[i].sssn()<<"人选了此课"<<endl;
if(c[i].sssn()!=0)
{
c[i].displaystudent();
}}cout<<"-----------------------------------------------"<<endl;
}
}
void guanli::displaystudent()
{system("cls");
for(int i=0;i<s.size();i++)
cout<<s[i]<<endl;
}
void guanli::displayteacher()
{system("cls");
for(int i=0;i<t.size();i++)
cout<<t[i]<<endl;
}
void guanli::load1()
{
course x1;
int n;
string m,z,l,a;
float b,x,y;
ifstream infile("d:\\20164235-course.txt",ios::in);
if(!infile) return ;
c.clear();
while(infile>>x1)
{if(x1.getno()=="-1") break;
infile>>m;
x1.setteacher(m);
infile>>n;
for(int i=0;i<n;i++)
{
infile>>m>>z>>l>>x>>y;
x1.addstudent(m,z,l,x,y);
}
c.push_back(x1);
ma.insert(make_pair(x1.getno(),c.size()-1));
}
infile.close();system("cls");
}
void guanli::load2()
{
int a;
course x;
string zz,hao;
student x1;
float l;
ifstream infile("d:\\20164235-student.txt",ios::in);
if(!infile) return ;
s.clear();
while(infile>>x1)
{
if(x1.getnumber()=="-1") break;
infile>>l;
x1.setjidian(l);
infile>>a;
while(a--)
{infile>>zz>>hao;
x1.add(c[qquerycourse(zz,hao)]);
}
x1.setn(a);x1.displayalll();
s.push_back(x1);
mas.insert(make_pair(x1.getnumber(),s.size()-1));
}
infile.close();system("cls");
}
void guanli::load3()
{
int a;
course x;
string zz,hao;
teacher x1;
ifstream infile("d:\\20164235-teacher.txt",ios::in);
if(!infile) return ;
t.clear();
while(infile>>x1)
{
if(x1.gethao()=="-1") break;
infile>>a;
while(a--)
{infile>>zz>>hao;
x1.add(c[qquerycourse(zz,hao)]);
}x1.setnumber(a);
t.push_back(x1);
mat.insert(make_pair(x1.gethao(),t.size()-1));
}
infile.close();system("cls");
}
void guanli::save1()
{int j,k;
ofstream outfile("d:\\20164235-course.txt",ios::out);
if(!outfile) return ;
for(int i=0;i<c.size();i++)
{outfile<<c[i].getno()<<"\t\t"<<c[i].getname()<<"\t\t"<<c[i].getxuefen();
outfile<<"\t\t"<<c[i].getnumber()<<"\t\t"<<c[i].getbanhao()<<"\t\t";
for(k=0;k<c[i].getn();k++)
{
outfile<<c[i].gettime(k)<<"\t"<<c[i].getwhere(k)<<endl;
}
outfile<<"-1"<<endl;
outfile<<c[i].getteacher()<<endl;
outfile<<c[i].sssn()<<endl;
if(c[i].sssn()!=0)
{
for(j=0;j<c[i].sssn();j++)
{outfile<<c[i].getsssnumber(j)<<"\t"<<c[i].getsssname(j)<<"\t"<<c[i].getsssclas(j);
outfile<<"\t"<<c[i].getsssps(j)<<"\t"<<c[i].getsssks(j)<<endl;
}}}
outfile<<"-1"<<endl;
outfile.close();system("cls");
}
void guanli::save2()
{
ofstream outfile("d:\\20164235-student.txt",ios::out);
if(!outfile) return ;
for(int i=0;i<s.size();i++)
{
outfile<<s[i].getnumber()<<"\t"<<s[i].getname()<<"\t"<<s[i].getclas()<<"\t"<<s[i].getjidian()<<"\t"<<s[i].getn()<<endl;
for(int j=0;j<s[i].getn();j++)
outfile<<s[i].courseno(j)<<"\t"<<s[i].coursehao(j)<<endl;
}
outfile<<"-1"<<endl;
outfile.close();system("cls");
}
void guanli::save3()
{
ofstream outfile("d:\\20164235-teacher.txt",ios::out);
if(!outfile) return ;
for(int i=0;i<t.size();i++)
{outfile<<t[i].gethao()<<"\t"<<t[i].getname()<<"\t";
outfile<<t[i].getyuanxi()<<"\t"<<t[i].getnumber()<<endl;
for(int j=0;j<t[i].getnumber();j++)
outfile<<t[i].courseno(j)<<"\t"<<t[i].coursehao(j)<<endl;
}
outfile<<endl<<"-1"<<endl;
outfile.close();system("cls");
}
void guanli::menudisplay1()
{
cout<<"*******************************************"<<endl;
cout<<" 欢迎使用选课系统 "<<endl;
cout<<" 0: 退出 "<<endl;
cout<<" 1: 课程管理 "<<endl;
cout<<" 2: 学生管理 "<<endl;
cout<<" 3: 教师管理 "<<endl;
cout<<"*******************************************"<<endl;
return ;
}
void guanli::menudisplay2(int a)
{
cout<<"*******************************************"<<endl;
if(a==1)
{
cout<<" 欢迎使用课程管理系统 "<<endl;
cout<<" 0: 退出 "<<endl;
cout<<" 1: 增加课程 "<<endl;
cout<<" 2: 删除课程 "<<endl;
cout<<" 3: 修改课程 "<<endl;
cout<<" 4: 查询课程 "<<endl;
cout<<" 5: 展示所有课程及选课结果 "<<endl;
}
if(a==2)
{
cout<<" 欢迎使用学生管理系统 "<<endl;
cout<<" 0: 退出 "<<endl;
cout<<" 1: 增加学生 "<<endl;
cout<<" 2: 删除学生 "<<endl;
cout<<" 3: 修改学生 "<<endl;
cout<<" 4: 查询学生 "<<endl;
cout<<" 5: 展示所有学生 "<<endl;
}
if(a==3)
{
cout<<" 欢迎使用教师管理系统 "<<endl;
cout<<" 0: 退出 "<<endl;
cout<<" 1: 增加教师 "<<endl;
cout<<" 2: 删除教师 "<<endl;
cout<<" 3: 修改教师 "<<endl;
cout<<" 4: 查询教师 "<<endl;
cout<<" 5: 展示所有老师 "<<endl;
}
cout<<"*******************************************"<<endl;
}
void guanli::menu1()
{
int x;
while(1)
{system("cls");
menudisplay1();
cout<<"请输入你的选择"<<endl;
cin>>x;
if(!x) break;
system("cls");
menu2(x);
}
}
void guanli::menu2(int a)
{
int x;
system("cls");
if(a==1)
{
while(1)
{
menudisplay2(a);
cout<<"请输入你的选择"<<endl;
cin>>x;
if(!x) break;
switch(x)
{
case 1:
addcourse();
break;
case 2:
deletecourse();
break;
case 3:
chargecourse();
break;
case 4:
querycourse();
break;
case 5:
displaycourse(1);
break;
}
system("pause");
system("cls");
}
}
if(a==2)
{
while(1)
{
menudisplay2(a);
cout<<"请输入你的选择"<<endl;
cin>>x;
if(!x) break;
switch(x)
{
case 1:
addstudent();
break;
case 2:
deletestudent();
break;
case 3:
chargestudent();
break;
case 4:
querystudent();
break;
case 5:
displaystudent();
break;
}
system("pause");
system("cls");
}
}
if(a==3)
{
while(1)
{
menudisplay2(a);
cout<<"请输入你的选择"<<endl;
cin>>x;
if(!x) break;
switch(x)
{
case 1:
addteacher();
break;
case 2:
deleteteacher();
break;
case 3:
chargeteacher();
break;
case 4:
queryteacher();
break;
case 5:
displayteacher();
break;
}
system("pause");
system("cls");
}}
}
class studentcaozuo
{
student s;
vector<course>c;
vector<course>::iterator it;
map<string,int>ma;
map<string,int>::iterator ma1;
public:
void displaycourse();
void addc();
void erasec();
void load1();
student A(){return s;}
void xuanze();
void jieguo();
void save1();
studentcaozuo(student a):s(a){load1();xuanze();save1();}
};
void studentcaozuo::save1()
{int j,k;
ofstream outfile("d:\\20164235-course.txt",ios::out);
if(!outfile) return ;
for(int i=0;i<c.size();i++)
{outfile<<c[i].getno()<<"\t\t"<<c[i].getname()<<"\t\t"<<c[i].getxuefen();
outfile<<"\t\t"<<c[i].getnumber()<<"\t\t"<<c[i].getbanhao()<<"\t\t";
for(k=0;k<c[i].getn();k++)
{
outfile<<c[i].gettime(k)<<"\t"<<c[i].getwhere(k)<<endl;
}
outfile<<"-1"<<endl;
outfile<<c[i].getteacher()<<endl;
outfile<<c[i].sssn()<<endl;//cout<<c[i].sssn()<<endl;system("pause");
if(c[i].sssn()!=0)
{
for(j=0;j<c[i].sssn();j++)
{outfile<<c[i].getsssnumber(j)<<"\t"<<c[i].getsssname(j)<<"\t"<<c[i].getsssclas(j);
outfile<<"\t"<<c[i].getsssps(j)<<"\t"<<c[i].getsssks(j)<<endl;
}}}
outfile<<"-1"<<endl;
outfile.close();system("cls");
}
void studentcaozuo::displaycourse()
{
for(int i=0;i<c.size();i++)
{cout<<"-----------------------------------------------"<<endl;
cout<<c[i]<<endl;
cout<<"-----------------------------------------------"<<endl<<endl;
}
}
void studentcaozuo::xuanze()
{ int a;
while(1)
{
system("cls");
s.kebiaodisplay();
cout<<"###################################################################"<<endl;
cout<<" 0: 退出"<<endl;
cout<<" 1: 选课"<<endl;
cout<<" 2: 退课"<<endl;
cout<<" 3: 考试成绩"<<endl;
cout<<" 4: 选课情况"<<endl;
cout<<"###################################################################"<<endl;
cin>>a;
if(a==0) break;
else if(a==1) addc();
else if(a==2) erasec();
else if(a==3) s.displayall();
else if(a==4) {system("cls");cout<<s<<endl;system("pause");}
}
}
void studentcaozuo::load1()
{
course x1;
int n;
string m,z,l,a;
float b,x,y;
ifstream infile("d:\\20164235-course.txt",ios::in);
if(!infile) return ;
c.clear();
while(infile>>x1)
{if(x1.getno()=="-1") break;
infile>>m;
x1.setteacher(m);
infile>>n;
for(int i=0;i<n;i++)
{
infile>>m>>z>>l>>x>>y;
x1.addstudent(m,z,l,x,y);
}
c.push_back(x1);
ma.insert(make_pair(x1.getno(),c.size()-1));
}
infile.close();system("cls");
}
void studentcaozuo::addc()
{
string z,hao;
int i,j,t=0;
while(1)
{system("cls");
load1();
displaycourse();
cout<<s<<endl;int l;
cout<<"请输入所选课程的课程号、班号,输入-1结束"<<endl;
cin>>z;
if(z=="-1") break;
else
{cin>>hao;
if(s.chakecheng(z)!=-1) {cout<<"此门课程已选过"<<endl;system("pause");}
else
{system("cls");
for(i=0;i<c.size();i++)
if(c[i].getno()==z&&c[i].getbanhao()==hao) {cout<<c[i]<<endl;break;}
if(i!=c.size()){
if(c[i].sssn()==c[i].getnumber()) cout<<"此门课程已满,请重新选择"<<endl;
else {
for(j=0;j<c[i].getn();j++)
{l=c[i].gettime(j);
if(s.chake(c[i].gettime(j))) {cout<<"时间冲突"<<endl;t=1;break;}}
if(t==0){
c[i].addstudent(s.getnumber(),s.getname(),s.getclas(),0,0);//;
cout<<"已选此课程"<<endl;
s.add(c[i]);save1();//c[i].displaystudent();system("pause");
}}system("pause");
}
else {
cout<<"课程号输入有误,请重新输入，输入-1结束"<<endl;system("pause");}
}
}}
}
void studentcaozuo::erasec()
{
string z;
while(1)
{system("cls");
cout<<s<<endl;
cout<<"请输入所退课程的课程号,输入-1结束"<<endl;
cin>>z;
if(z=="-1") break;
else
{ma1=ma.find(z);
if(ma1!=ma.end())
{//cout<<"!"<<endl;
c[ma1->second].erasestudent(s.getnumber());
s.erasee(z);
//ma.erase(ma1);
//cout<<"已退选此门课程"<<endl;
save1();
system("pause");
}
else {
cout<<"课程号输入有误，请重新输入,输入-1结束"<<endl;system("pause");
}}
}
}
class teachercaozuo
{
teacher t;
vector<course>c;
vector<course>::iterator it;
map<string,int>ma;
map<string,int>::iterator ma1;
public:
void addc();
void erasec();
void xuanze();
void displaycourse();
teacher A(){return t;}
void load1();
void save1();
void pschengji(string a,string b);
void kschengji(string a,string b);
teachercaozuo(teacher a):t(a){load1();xuanze();save1();}
};
void teachercaozuo::pschengji(string a,string b)
{system("cls");
string k;
int j;
float ji;
for(j=0;j<c.size();j++)
if(c[j].getno()==a&&c[j].getbanhao()==b)
{
cout<<"请对应输入学生平时成绩"<<endl;
cout<<"学号\t\t姓名\t\t平时成绩"<<endl;
for(int i=0;i<c[j].sssn();i++)
{cout<<c[j].getsssnumber(i)<<"\t"<<c[j].getsssname(i)<<"\t\t";
cin>>ji;
cout<<endl;
c[j].tianjiaps(c[j].getsssnumber(i),ji);
t.setpschengji(a,i,ji);
}break;
}
if(j==c.size()) cout<<"输入有误，请重新输入"<<endl;system("pause");
}
void teachercaozuo::kschengji(string a,string b)
{system("cls");
string k;
int j;
float ji;
for(j=0;j<c.size();j++)
if(c[j].getno()==a&&c[j].getbanhao()==b)
{
cout<<"请对应输入学生考试成绩"<<endl;
cout<<"学号\t\t姓名\t\t考试成绩"<<endl;
for(int i=0;i<c[j].sssn();i++)
{cout<<c[j].getsssnumber(i)<<"\t"<<c[j].getsssname(i)<<"\t\t";
cin>>ji;
cout<<endl;
c[j].tianjiaks(c[j].getsssnumber(i),ji);
t.setkschengji(a,i,ji);
}break;
}
if(j==c.size()) cout<<"输入有误，请重新输入"<<endl;system("pause");
}
void teachercaozuo::save1()
{int j,k;
ofstream outfile("d:\\20164235-course.txt",ios::out);
if(!outfile) return ;
for(int i=0;i<c.size();i++)
{outfile<<c[i].getno()<<"\t\t"<<c[i].getname()<<"\t\t"<<c[i].getxuefen();
outfile<<"\t\t"<<c[i].getnumber()<<"\t\t"<<c[i].getbanhao()<<"\t\t";
for(k=0;k<c[i].getn();k++)
{
outfile<<c[i].gettime(k)<<"\t"<<c[i].getwhere(k)<<endl;
}
outfile<<"-1"<<endl;
outfile<<c[i].getteacher()<<endl;
outfile<<c[i].sssn()<<endl;
if(c[i].sssn()!=0)
{
for(j=0;j<c[i].sssn();j++)
{outfile<<c[i].getsssnumber(j)<<"\t"<<c[i].getsssname(j)<<"\t"<<c[i].getsssclas(j);
outfile<<"\t"<<c[i].getsssps(j)<<"\t"<<c[i].getsssks(j)<<endl;
}}}
outfile<<"-1"<<endl;
outfile.close();system("cls");
}
void teachercaozuo::displaycourse()
{
for(int i=0;i<c.size();i++)
{cout<<"-----------------------------------------------"<<endl;
cout<<c[i]<<endl;
cout<<"-----------------------------------------------"<<endl;
}
}
void teachercaozuo::xuanze()
{
int a;
while(1)
{
system("cls");
t.kebiaodisplay();
cout<<"###################################################################"<<endl;
cout<<" 0: 退出"<<endl;
cout<<" 1: 选课"<<endl;
cout<<" 2: 退课"<<endl;
cout<<" 3: 学生选课结果及成绩"<<endl;
cout<<" 4: 填写成绩"<<endl;
cout<<" 5: 个人选课情况"<<endl;
cout<<"###################################################################"<<endl;
cin>>a;
if(a==0) break;
else if(a==1) addc();
else if(a==2) erasec();
else if(a==3)
{string aa,b;
while(1)
{system("cls");
cout<<"请输入课程号和教学班号,输入-1退出"<<endl;
cin>>aa;
if(aa=="-1") {break;}
cin>>b;
if(t.chakecheng(aa,b)==-1) {cout<<"输入有误，请重新输入"<<endl;system("pause");}
else t.displaystudent(aa,b);
}
}
else if(a==4)
{string aa,b;int z;
while(1)
{system("cls");
cout<<"请输入要填写成绩的课程号和教学班号,输入-1退出"<<endl;
cin>>aa;
if(aa=="-1") break;
cin>>b;
if(t.chakecheng(aa,b)==-1) cout<<"输入有误，请重新输入"<<endl;
//ma1=ma.find(aa);if(ma1==ma.end()||c[ma[aa]].getbanhao()!=b) {cout<<"输入有误，请重新输入"<<endl;system("pause");system("cls");}
else
{while(1)
{cout<<"输入平时成绩按1，输入考试成绩按2，退出按-1"<<endl;
cin>>z;
if(z==-1) break;
else if(z==1)
pschengji(aa,b);
else if(z==2) kschengji(aa,b);
}
}
system("pause");}
}
else if(a==5) {system("cls");cout<<t<<endl;system("pause");}
}
}
void teachercaozuo::addc()
{
string z,hao;
int i,j,l,tt=0;
while(1)
{system("cls");
displaycourse();cout<<t<<endl;
cout<<"请输入所选课程的课程号、班号,输入-1结束"<<endl;
cin>>z;
if(z=="-1") break;
else {cin>>hao;
if(t.chakechengm(z)!=-1) {cout<<"已选过此门课程"<<endl;system("pause");}
else { for(j=0;j<c.size();j++)
if(c[j].getno()==z&&c[j].getbanhao()==hao) {break;}
if(j!=c.size())
{
if(c[j].getteacher()!="-1") cout<<"已有教师选了此门课程,请重新选课"<<endl;
else {
for(i=0;i<c[j].getn();i++)
{l=c[j].gettime(i);
if(t.chake(c[j].gettime(i))) {cout<<"时间冲突"<<endl;tt=1;break;}}
if(tt==0){
//c[j].addstudent(s.getnumber());
cout<<"选课成功"<<endl;
c[j].setteacher(t.getname());t.add(c[j]);cout<<c[j]<<endl;}}
system("pause");
}
else {
cout<<"输入有误,请重新输入，输入-1结束"<<endl;system("pause");}
}
}
}
}
void teachercaozuo::erasec()
{
string z;
while(1)
{system("cls");
cout<<t<<endl;
cout<<"请输入所退课程的课程号,输入-1结束"<<endl;
cin>>z;
if(z=="-1") break;
else
{ ma1=ma.find(z);
if(ma1!=ma.end())
{
c[ma1->second].setteacher("-1");
t.erasee(z);
//ma.erase(ma1);
//cout<<"已退选此课程"<<endl;
system("pause");}
else{
cout<<"课程号输入有误，请重新输入,输入-1结束"<<endl;system("pause");
} }
}
}
void teachercaozuo::load1()
{
course x1;
int n;
string m,z,l,a;
float b,x,y;
ifstream infile("d:\\20164235-course.txt",ios::in);
if(!infile) return ;
c.clear();
while(infile>>x1)
{if(x1.getno()=="-1") break;
infile>>m;
x1.setteacher(m);
infile>>n;
for(int i=0;i<n;i++)
{
infile>>m>>z>>l>>x>>y;
x1.addstudent(m,z,l,x,y);
}
c.push_back(x1);
ma.insert(make_pair(x1.getno(),c.size()-1));
}
infile.close();system("cls");
}
class caozuo:public guanli
{
public:
void menu1();
};
void caozuo::menu1()
{load1();load3();load2();system("cls");
cout<<"*******************************************"<<endl;
cout<<" 欢迎使用选课系统"<<endl;
cout<<" 用户登录"<<endl;
string a,b;
cout<<"请输入："<<endl;
cout<<"用户名(学号或工号),输入-1退出"<<endl;
cin>>a;
if(a!="-1")
{
cout<<"密码(假设正确)"<<endl;
cin>>b;
int ttt;
ttt=qquerystudent(a);//tt==-1，招不到学生
if(ttt!=-1)
{cout<<"学生"<<a<<"登陆成功"<<endl;system("pause");
studentcaozuo ss(s[ttt]);
s[ttt]=ss.A();
save2();
//save1();
}
else
{
ttt=qqueryteacher(a);
if(ttt!=-1) {cout<<"教师"<<a<<"登陆成功"<<endl;system("pause");
teachercaozuo tt(t[ttt]);
t[ttt]=tt.A();
save3();
//save1();
}
else {cout<<"用户不存在,请重新输入"<<endl;system("pause");menu1();}
}
}
}
int main()
{
int a;
guanli s;
caozuo ll;
while(1)
{system("cls");
cout<<"管理员输入1，用户登陆输入0，退出输入-1"<<endl;
cin>>a;
if(a==1)
{s.load1();
s.load3();
s.load2();
//s.load3();
s.menu1();
s.save1();
s.save2();
s.save3();}
else if(a==-1) break;
else if(a==0)
{
ll.load1();
ll.load3();
ll.load2();
//ll.load3();
ll.menu1();
}
}
}
https://blog.csdn.net/qq_37868325/article/details/81603795
是这样 我知道你的问题 我们学校也做过 你拿去改改好吧
#include
#include
#include
/*定义实验器材 结构体*/
struct Equipment
{
char bianhao[20]; //设备编号
char name[20]; //设备名称
char model[20]; //设备型号
char price[20]; //设备价格
char buy_date[20]; //设备购买日期
};
/*声明实验器材数组及实验器材数量*/
struct Equipment equipment[1000];
int num = 0;
/*通过设备编号返回数组下标*/
int Equipment_SearchByIndex(char id[])
{
int i;
for (i = 0; i < num; i++)
{
if (strcmp(equipment[i].bianhao, id) == 0)
{
return i;
}
}
return -1;
}
/*通过设备名称返回数组下标*/
int Equipment_SearchByName(char name[])
{
int i;
for (i = 0; i < num; i++)
{
if (strcmp(equipment[i].name, name) == 0)
{
return i;
}
}
return -1;
}
/*显示单条设备记录*/
void Equipment_DisplaySingle(int index)
{
printf("\n\n\n设备编号 设备名称 设备型号 设备价格 设备购买日期\n");
printf("-------------------------------------------------------------\n");
printf("%5s%12s%10s%12s%15s\n", equipment[index].bianhao, equipment[index].name, equipment[index].model, equipment[index].price, equipment[index].buy_date);
}
/*插入设备信息*/
void Equipment_Insert()
{
while (1)
{
printf("\n\n\n请输入 实验设备编号 :");
scanf("%s", &equipment[num].bianhao);
printf("请输入 实验设备名称:");
scanf("%s", &equipment[num].name);
//getchar();
printf("请输入 实验设备型号:");
scanf("%s", &equipment[num].model);
//getchar();
printf("请输入 实验设备采购价格:");
scanf("%s", &equipment[num].price);
//getchar();
printf("请输入 实验设备购买日期:");
scanf("%s", &equipment[num].buy_date);
//getchar();
num++;
printf("\n是否继续信息录入?:(y/n)");
getchar();
if (getchar() == 'n')
{
break;
}
}
}
/*修改设备信息*/
void Equipment_Modify()
{
while (1)
{
char id[20];
int index;
printf("\n\n\n\n\n请输入 需要修改的实验设备编号:");
scanf("%s", &id);
index = Equipment_SearchByIndex(id);
if (index == -1)
{
printf("**该设备不存在，抱歉**\n");
}
else
{
printf("你需要修改的设备信息为：\n");
Equipment_DisplaySingle(index);
printf("--* 请输入修改新值 --\n");
printf("\n\n\n* 请输入 设备编号 **:");
scanf("%s", &equipment[index].bianhao);
//getchar();
printf("请输入 设备名称:");
scanf("%s", &equipment[index].name);
//getchar();
printf("请输入 设备型号:");
scanf("%s", &equipment[index].model);
// getchar();
printf("请输入 设备价格:");
scanf("%s", &equipment[index].price);
//getchar();
printf("请输入 设备购买日期:");
scanf("%s", &equipment[index].buy_date);
}
printf("是否继续?:(y/n)");
getchar();
if (getchar() == 'n')
{
break;
}
}
}
/*删除设备信息*/
void Equipment_Delete()
{
int i;
while (1)
{
char id[20];
int index;
printf("\n\n\n\n请输入 要删除的设备编号 →");
scanf("%s", &id);
index = Equipment_SearchByIndex(id);
if (index == -1)
{
printf("设备不存在! 抱歉\n");
}
else
{
printf("你要删除的设备信息为 →\n");
Equipment_DisplaySingle(index);
printf("是否真的要删除该设备? → (y/n)");
getchar();
if (getchar() == 'y')
{
for (i = index; i < num - 1; i++)
{
equipment[i] = equipment[i + 1]; //把后边的对象都向前移动
}
num--;
}
//getchar();
}
printf("是否继续? → (y/n)");
getchar();
if (getchar() == 'n')
{
break;
}
}
}
/*按设备名称查询*/
void Equipment_nameSelect()
{
while (1)
{
char name[20];
int index;
printf("请输入 要查询的设备名称 →");
scanf("%s", &name); //getchar();
index = Equipment_SearchByName(name);
if (index == -1)
{
printf("设备不存在! 抱歉\n");
}
else
{
printf("你要查询的设备信息为 →\n");
Equipment_DisplaySingle(index);
}
printf("是否继续? → (y/n)");
getchar();
if (getchar() == 'n')
{
break;
}
}
}
/*按设备编号查询*/
void Equipment_bianhaoSelect()
{
while (1)
{
char bianhao[20];
int index;
printf("\n\n\n 请输入 要查询的设备编号 →");
scanf("%s", &bianhao);
index = Equipment_SearchByIndex(bianhao);
if (index == -1)
{
printf("设备不存在! 抱歉\n");
}
else
{
printf("你要查询的设备信息为 →\n");
Equipment_DisplaySingle(index);
}
printf("是否继续? → (y/n)");
getchar();
if (getchar() == 'n')
{
break;
}
}
}
/*按设备编号排序*/
void Equipment_paixu()
{
int i, j;
struct Equipment paixu;
for (i = 0; i < num; i++)
{
for (j = 1; j < num - i; j++)
{
if (equipment[j - 1].bianhao > equipment[j].bianhao)
{
paixu = equipment[j - 1];
equipment[j - 1] = equipment[j];
equipment[j] = paixu;
}
}
}
}
/*显示在库设备信息*/
void Equipment_Display()
{
int i;
printf("设备编号 设备名称 设备型号 设备价格 设备购买日期\n");
printf("-------------------------------------------------------------\n");
for (i = 0; i < num; i++)
{
printf("%5s%12s%10s%12s%15s\n", equipment[i].bianhao, equipment[i].name, equipment[i].model, equipment[i].price, equipment[i].buy_date);
}
}
/*将设备信息从文件读出*/
void IO_ReadInfo()
{
FILE *fp;
int i;
if ((fp = fopen("实验室设备信息.txt", "rb")) == NULL)
{
printf("不能打开文件!\n");
return;
}
if (fread(&num, sizeof(int), 1, fp) != 1)
{
num = -1;
}
else
{
for (i = 0; i < num; i++)
{
fread(&equipment[i], sizeof(struct Equipment), 1, fp);
}
}
fclose(fp);
}
/*将设备信息写入文件 /
void IO_WriteInfo()
{
FILE *fp;
int i;
if ((fp = fopen("实验室设备信息.txt", "wb")) == NULL)
{
printf("不能打开文件!\n");
return;
}
if (fwrite(&num, sizeof(int), 1, fp) != 1)
{
printf("写入文件错误!\n");
}
for (i = 0; i < num; i++)
{
if (fwrite(&equipment[i], sizeof(struct Equipment), 1, fp) != 1)
{
printf("写入文件错误!\n");
}
}
fclose(fp);
}
/实验设备管理系统主程序*/
int main(void)
{
int choice;
int choice2;
IO_ReadInfo();
system("cls");
while (1)
{
/*主菜单*/
printf("\n\n\n\n\n\t\t------ 沈阳城市建设学院实验室设备管理系统------\n\n");
printf("\t\t\t 1.实验设备信息录入\n");
printf("\t\t\t 2.实验设备信息更改\n");
printf("\t\t\t 3.报废设备信息删除\n");
printf("\t\t\t 4.实验设备信息查询\n");
printf("\t\t\t 5.实验设备信息排序\n");
printf("\t\t\t 6. 帮 助 \n");
printf("\t\t\t 7. 退 出 \n");
printf("\n\t\t------*------*-----*-----*-----*-----*------\n");
printf("\n\n\n 请输入设备编号(1-7):");
scanf("%d", &choice);
getchar();
system("cls");
switch (choice)
{
case 1:
Equipment_Insert();
break;
case 2:
Equipment_Modify();
break;
case 3:
Equipment_Delete();
break;
case 4:
printf("\n\n\n\n\n\t请选择(1/2): 1.按器材名称查询\n");
printf(" 2.按器材编号查询\n\n\n");
scanf("%d", &choice2);
switch (choice2)
{
case 1:
Equipment_nameSelect();
break;
case 2:
Equipment_bianhaoSelect();
break;
}
break;
case 5:
Equipment_paixu();
Equipment_Display();
break;
case 6:
break;
case 7:
exit(0);
break;
}
system("Pause");
system("cls");
IO_WriteInfo();
}
}