C++课程设计-学生考勤管理系统源码.zip

#include "stdafx.h" #include "stdlib.h" #include <string> #include <iostream> #include <iomanip> #include <fstream> using namespace std; const int max=100; class record { public: void set(string d,int cno,string c,string s,int type) { date.assign(d); cname.assign(c); sname.assign(s); this->cno=cno; this->type=type; } void set(record re) { date.assign(re.date); cname.assign(re.cname); sname.assign(re.sname); this->cno=re.cno; this->type=re.type; } string tostr() { string s; char tmp[3]; s.assign(date); itoa(cno,tmp,10); s.append("#"); s.append(tmp); s.append("#"); s.append(cname); s.append("#"); s.append(sname); itoa(type,tmp,10); s.append("#"); s.append(tmp); return s; } string date,cname,sname; int cno,type; }; class records { public: records() { r=new record[max]; n=0; } void order_s() { string *s=new string[n]; int *c=new int [n]; s[0].assign(r[0].sname); c[0]=1; int k=1,flag; for(int i=1;i<n;i++) { flag=0; for(int j=0;j<k;j++) if(r[i].sname==s[j]) { c[j]++; flag=1; break; } if(!flag) { s[k]=r[i].sname; c[k++]=1; } } for(i=1;i<k;i++) for(int j=i;j>0;j--) { if(c[j]>c[j-1]) { int tmp=c[j]; c[j]=c[j-1]; c[j-1]=tmp; string stmp=s[j]; s[j]=s[j-1]; s[j-1]=stmp; } } cout<<"旷课学生姓名\t旷课次数"<<endl; for(i=0;i<k;i++) cout<<s[i]<<"\t\t"<<c[i]<<endl; } void order_c() { string *s=new string[n]; int *c=new int [n]; s[0].assign(r[0].cname); c[0]=1; int k=1,flag; for(int i=1;i<n;i++) { flag=0; for(int j=0;j<k;j++) if(r[i].cname==s[j]) { c[j]++; flag=1; break; } if(!flag) { s[k]=r[i].cname; c[k++]=1; } } for(i=1;i<k;i++) for(int j=i;j>0;j--) { if(c[j]>c[j-1]) { int tmp=c[j]; c[j]=c[j-1]; c[j-1]=tmp; string stmp=s[j]; s[j]=s[j-1]; s[j-1]=stmp; } } cout<<"课程名\t旷课人次"<<endl; for(i=0;i<k;i++) cout<<s[i]<<"\t"<<c[i]<<endl; } record *r; int n; }; void wt(records *r) { ofstream outf("data.txt"); for(int i=0;i<r->n;i++) outf<<r->r[i].tostr()<<endl; outf<<"!"<<endl; } void rd(records *r) { ifstream inf("data.txt"); if(inf.eof()) { cout<<"记录为空!"<<endl; return; } string t1,t3,t4; char tmp[30]; int t2,t5; r->n=0; while(true) { inf.getline(tmp,10,'#'); if(tmp[0]=='!')break; t1.assign(tmp); inf.getline(tmp,3,'#'); t2=atoi(tmp); inf.getline(tmp,30,'#'); t3.assign(tmp); inf.getline(tmp,30,'#'); t4.assign(tmp); inf.getline(tmp,3); t5=atoi(tmp); r->r[r->n++].set(t1,t2,t3,t4,t5); } } bool timechk(string t1) { int year=atoi(t1.substr(0,2).c_str()); int month=atoi(t1.substr(2,2).c_str()); int day=atoi(t1.substr(4,2).c_str()); if(!(t1.length()==6&&year>0&&year<99&&month>0&&month<13&&day>0&&day<32)) { cout<<"日期录入有误! 请重新录入: "<<endl; return false; } else return true; } void input(records *r) { string t1,t3,t4; int t2,t5,flag=0; char yn; cout<<"录入一条学生缺课记录:"<<endl; m1: cout<<"请输入缺课日期: (例如100612) "<<flush; cin>>t1; if(!(timechk(t1)))goto m1; m2: cout<<"请输入缺第几节课: "<<flush; cin>>t2; if(t2<1||t2>10) { cout<<"节次录入有误! 请重新录入: "<<endl; goto m2; } cout<<"请输入缺课名称: "<<flush; cin>>t3; cout<<"请输入缺课学生姓名: "<<flush; cin>>t4; m3: cout<<"请输入缺课类型: (1.迟到 2.早退 3.请假 4.旷课) "<<flush; cin>>t5; if(t5<1||t5>4) { cout<<"类型输入有误! 请重新录入: "<<endl; goto m3; } for(int i=0;i<r->n;i++) if(r->r[i].date==t1&&r->r[i].cno==t2&&r->r[i].cname==t3&&r->r[i].sname==t4&&r->r[i].type==t5) { cout<<"该条记录已存在,是否添加为新记录? (y/n) "<<flush; n1: cin>>yn; if(yn=='y')break; else if(yn=='n')goto n2; else goto n1; } r->r[r->n++].set(t1,t2,t3,t4,t5); n2: cout<<"是否继续输入? (y/n) "<<flush; n3: cin>>yn; if(yn=='y')goto m1; else if(yn=='n') { cout<<"保存修改? (y/n) "<<flush; cin>>yn; if(yn=='y')wt(r); else return; } else goto n3; } void prione(record r) { cout<<r.date<<"\t\t" <<r.cno<<"\t" <<r.cname<<"\t\t" <<r.sname<<"\t\t" <<flush; switch(r.type) { case 1:cout<<"迟到"<<endl;break; case 2:cout<<"早退"<<endl;break; case 3:cout<<"请假"<<endl;break; case 4:cout<<"旷课"<<endl;break; default:; } } void pri(records *r) { if(r->n==0) { cout<<"记录为空!"<<endl; return; } cout<<"\n序号\t缺课日期 节次\t课程名称\t学生姓名\t缺课类型"<<endl; for(int i=0;i<r->n;i++) { cout<<i<<"\t"<<flush; prione(r->r[i]); } } void edt(records *r) { if(r->n==0) { cout<<"记录为空!"<<endl; return; } cout<<"请输入要修改缺课记录的学生姓名: "<<flush; string t1,t3,t4; char tmp[30]; int t2,t5,flag=0; cin>>tmp; t1.assign(tmp); for(int i=0;i<r->n;i++) if(r->r[i].sname==t1) { flag=7; break; } if(!flag) { cout<<"查无此学生!"<<endl; return; } t1=r->r[i].date; t2=r->r[i].cno; t3=r->r[i].cname; t4=r->r[i].sname; t5=r->r[i].type; cout<<"请输入要修改的项目:\n(1.缺课日期 2.缺课节次 3.缺课名称 4.学生姓名 5.缺课类型 6.全部) "<<flush; e0: cin>>flag; switch(flag) { case 1:goto e1; case 2:goto e2; case 3:goto e3; case 4:goto e4; case 5:goto e5; case 6:goto e1; default:goto e0; } e1: cout<<"请输入缺课日期: (例如100612) "<<flush; cin>>t1; if(flag!=6)goto e6; e2: cout<<"请输入缺第几节课: "<<flush; cin>>t2; if(flag!=6)goto e6; e3: cout<<"请输入缺课名称: "<<flush; cin>>t3; if(flag!=6)goto e6; e4: cout<<"请输入缺课学生姓名: "<<flush; cin>>t4; if(flag!=6)goto e6; e5: cout<<"请输入缺课类型: (1.迟到 2.早退 3.请假 4.旷课) "<<flush; cin>>t5; e6: r->r[i].set(t1,t2,t3,t4,t5); char yn; cout<<"保存修改? (y/n) "<<flush; cin>>yn; if(yn=='y')wt(r); else return; } void del(records *r) { if(r->n==0) { cout<<"记录为空!"<<endl; return; } cout<<"请输入要删除的记录的序号: (输入-1删除全部) "<<flush; int flag; cin>>flag; if(flag>r->n-1&&flag<-1) { cout<<"不存在所要删除的记录!"<<endl; return; } else if(flag==-1)r->n=0; else { for(int i=flag;i<r->n-1;i++) r->r[i].set(r->r[i+1]); r->n--; } char yn; cout<<"保存修改? (y/n) "<<flush; cin>>yn; if(yn=='y')wt(r); else return; } void search(records *r) { if(r->n==0) { cout<<"记录为空!"<<endl; return; } cout<<"请输入要查询的学生姓名: "<<flush; string str; int j=0,flag=0; cin>>str; for(int i=0;i<r->n;i++) if(r->r[i].sname==str) { if(!flag)cout<<"\n序号\t缺课日期 节次\t课程名称\t学生姓名\t缺课类型"<<endl; cout<<j++<<"\t"<<flush; prione(r->r[i]); flag=1; } if(!flag)cout<<"没有查到该学生的缺课记录!"<<endl; } void search_s(records *r) { if(r->n==0) { cout<<"记录为空!"<<endl; return; } records *r1=new records(); g1: cout<<"请输入要检索的时间范围: (例如100610-100612) "<<flush; string tmp,ld,hd; cin>>tmp; ld.assign(tmp.substr(0,6)); hd.assign(tmp.substr(7,6)); if(!timechk(ld)||!timechk(hd))goto g1; for(int i=0;i<r->n;i++) if(r->r[i].date.compare(ld)>=0&&r->r[i].date.compare(hd)<=0&&r->r[i].type==4) r1->r[r1->n++].set(r->r[i]); cout<<"请选择统计方式: (1.学生旷课情况降序显示 2.课程旷课情况降序显示)"<<flush; g2: cin>>i; switch(i) { case 1: cout<<"\n在"<<ld<<"到"<<hd<<"期间学生旷课情况如下:"<<endl; r1->order_s(); break; case 2: cout<<"\n在"<<ld<<"到"<<hd<<"期间课程旷课情况如下:"<<endl; r1->order_c(); break; default:goto g2; } } void main() { c1: cout<<"*** 欢迎进入学生考勤管理系统 ***"<<endl <<endl <<"*** 功能列表: ***"<<endl <<"