宿舍管理软件C语言代码

#include <iostream.h> #include<iostream> #include<fstream> #include<string> using namespace std; struct dormitory { char name[20]; char dorm[5]; string student; //char student[13]; }; bool empty() { ifstream fin("dormitory.txt"); string s; /*if(!fin) { cout<<"Error: can't open the file !"<<endl; return; } */ bool judge=0; fin>>s; if(s.length()==0) judge=1; return judge; //cout<<"Error:no contents in this file !"<<endl; } void addDormitory(int &); void delDormitory(int &); void lookOver(int ); void editDormitory(int ); void compositor(int ); int _tmain(int argc, _TCHAR* argv[]) { int c; static int num = 0; ifstream infile("dormitory.txt",ios::in); char ch; dormitory *p= new dormitory; while(infile.get(ch)) { infile>>p->name>>p->student>>p->dorm; num++; } while(1) { cout<<"1.增加 2.删除 3.修改 4.查询 5排序"<<endl; cout<<"请输入要执行的操作："; cin>>c; switch (c) { case 1:addDormitory(num);break; case 2:delDormitory(num);break; case 3:editDormitory(num);break; case 4:lookOver(num);break; case 5:compositor(num);break; default :cout<<"CHOOSE ERROR!"<<endl;break; } } return 0; } void addDormitory(int &num1) { dormitory d; ofstream outfile("dormitory.txt",ios::out|ios::app); if(! outfile) { cerr<<"open error"<<endl; exit(1); } if(num1!=0) outfile<<endl; cout<<"请输入姓名："; cin>>d.name; outfile<<d.name<<" "; cout<<"请输入学号："; cin>>d.student; outfile<<d.student<<" "; cout<<"请输入房间号："; cin>>d.dorm; outfile<<d.dorm; num1++; outfile.close(); } void delDormitory(int &num2) { if(empty()) cout<<"no contents in this file !"<<endl; else { while(1) { string s; //char s[12]; dormitory *store = new dormitory[num2]; cout<<"请输入要删除的学生学号："; cin>>s; fstream iofile("dormitory.txt",ios::in|ios::out); if(! iofile) { cerr<<"open error"<<endl; exit(1); } bool found=0; int temp; for(int i=0;i<num2;i++) { iofile>>store[i].name>>store[i].student>>store[i].dorm; if(s==store[i].student) {found=1;temp=i;} } if(found==0) {cout<<"您输入的学生不存在！"<<endl; cout<<"要继续删除吗？（Y/N）"<<endl; char d; cin>>d; if(d=='Y')continue; else break; } else { fstream iofile("dormitory.txt",ios::out|ios::trunc); for(int a=0;a<temp;a++) { if(a!=0) iofile<<endl; iofile<<store[a].name<<" "<<store[a].student<<" "<<store[a].dorm; } for(int b=temp+1;b<num2;b++) { if(b!=1) iofile<<endl; iofile<<store[b].name<<" "<<store[b].student<<" "<<store[b].dorm; } iofile.close(); num2--; cout<<"删除成功！"<<endl; break; } } } } void editDormitory(int num3) { if(empty()) cout<<"no contents in this file !"<<endl; else { while(1) { string s; //char s[12]; dormitory *store = new dormitory[num3]; cout<<"请输入要修改的学生学号："; cin>>s; fstream iofile("dormitory.txt",ios::in|ios::out); if(! iofile) { cerr<<"open error"<<endl; exit(1); } bool found=0; int temp; for(int i=0;i<num3;i++) { iofile>>store[i].name>>store[i].student>>store[i].dorm; if(s==store[i].student) {found=1;temp=i;} } if(found==0) { cout<<"您输入的学生不存在！"<<endl; cout<<"要继续修改吗？（Y/N）"<<endl; char d; cin>>d; if(d=='Y')continue; else break; } else { fstream iofile("dormitory.txt",ios::out|ios::trunc); cout<<"请输入新的学生信息："<<endl; cout<<"姓名："; cin>>store[temp].name; cout<<"学号："; cin>>store[temp].student; cout<<"宿舍号："; cin>>store[temp].dorm; for(int a=0;a<num3;a++) { if(a!=0) iofile<<endl; iofile<<store[a].name<<" "<<store[a].student<<" "<<store[a].dorm; } iofile.close(); cout<<"修改成功！"<<endl; break; } } } } void lookOver(int num4) { if(empty()) cout<<"no contents in this file !"<<endl; else { string st; while(1) { bool ch=0; cout<<"输入查询方式:1.全部 2.按姓名 3.按学号 4.按宿舍号"; ifstream infile("dormitory.txt",ios::in); dormitory *store = new dormitory[num4]; int c; cin>>c; for(int i=0;i<num4;i++) { infile>>store[i].name>>store[i].student>>store[i].dorm; } switch(c) { case 1: for(int i=0;i<num4;i++) cout<<"姓名："<<store[i].name<<endl<<"学号："<<store[i].student<<endl<<"宿舍号："<<store[i].dorm<<endl; break; case 2: cout<<"请输入学生姓名："<<endl; cin>>st; int v; ch=0; for(v=0;v<num4;v++) {if(store[v].name==st) { ch=1; cout<<"姓名："<<store[v].name<<endl<<"学号："<<store[v].student<<endl<<"宿舍号："<<store[v].dorm<<endl; } } if(ch==0)cout<<"您输入的学生不存在！"<<endl; break; case 3: ch=0; cout<<"请输入学生学号："<<endl; cin>>st; int a; for(a=0;a<num4;a++) { if(store[a].student==st) {cout<<"姓名："<<store[a].name<<endl<<"学号："<<store[a].student<<endl<<"宿舍号："<<store[a].dorm<<endl; ch=1; } } if(ch==0){cout<<"您输入的学生不存在！"<<endl;ch=0;} break; case 4: cout<<"请输入学生宿舍号："<<endl; cin>>st; ch=0; int b; for(b=0;b<num4;b++) { if(store[b].dorm==st) { cout<<"姓名："<<store[b].name<<endl<<"学号："<<store[b].student<<endl<<"宿舍号："<<store[b].dorm<<endl; ch=1; } } if(ch==0) cout<<"您输入的学生不存在！"<<endl; break; } cout<<"要继续查询吗？（Y/N）"<<endl; char d; cin>>d; if(d=='Y')continue; else break; } } } void Sort_compositor(int head,int tail,string *S,int *K) { int Tail; Tail=tail; string store; int istore; store=S[head]; istore=K[head]; tail--; while(head<tail) { while(1) { if(S[tail]<store) { S[head]=S[tail]; K[head]=K[tail]; head++; break; } else if(head==tail)break; else tail--; } while(1) { if(S[head]>store) { S[tail]=S[head]; K[tail]=K[head]; tail--; break; } else if(head==tail)break; else head++; } } S[head]=store; K[head]=istore; if(head-1>0) { Sort_compositor(0,head-1,S,K); } if(head+1<Tail) { Sort_compositor(head+1,Tail,S,K); } } void compositor(int num5) { int choose; fstream iofile("dormitory.txt",ios::in|ios::out); if(! iofile) { cerr<<"open error"<<endl; exit(1); } dormitory *store = new dormitory[num5]; for(int com=0;com<num5;com++) iofile>>store[com].name>>store[com].student>>store[com].dorm; //char *T = new char[num5]; string *T=new string[num5]; int *L=new int[num5]; cout<<"1.姓名 2.学号 3.宿舍号"; cin>>choose; switch(choose) { case 1: for(int i=0;i<num5;i++) {T[i]=store[i].name;L[i]=i;} break; case 2: for(int i=0;i<num5;i++) {T[i]=store[i].student;L[i]=i;} break; case 3: for(int i=0;i<num5;i++) {T[i]=store[i].dorm;L[i]=i;} break; } Sort_compositor(0,num5,T,L); for(int i=0;i<num5;i++) { int t=L[i]; cout<<store[t].name<<" "<<store[t].student<<" "<<store[t].dorm<<endl; if(t==0)iofile<<endl; iofile<<store[t].name<<" "<<store[t].student<<" "<<store[t].dorm<<endl; } }