C++源代码的员工休假管理系统.zip

#include <iostream> #include <cstdio> #include <string.h> #include <fstream> #include <stdlib.h> #include <sstream> #define s6 "\t\t\t\t\t\t" #define s5 "\t\t\t\t\t" #define s4 "\t\t\t\t" #define s3 "\t\t\t" #define s2 "\t\t" #define s1 "\t" #define sp2 " " #define nl endl #define cyp "Choose your option : " using namespace std; void recover(char* , char*); float getSal(string ); class Employee { public : string name, ssn, sal, age, exp, casual, sick, study, parental, sdate, edate, days; Employee(){ casual="20",sick="15",study="10",parental="40",sdate="-",edate="-",days="0"; } void deleteLeave(); void searchLeave(); void modLeave(); void dispLeave(); void addUser(); void modUser(); }; void addUser() { Employee e; cout<<s4<<"Enter the ID : "; cin>>e.ssn; e.ssn.resize(8); cout<<s4<<"Enter the Name : "; cin>>e.name; e.name.resize(8); cout<<s4<<"Enter the Age : "; cin>>e.age; e.age.resize(8); cout<<s4<<"Enter the Salary : "; cin>>e.sal; e.sal.resize(8); cout<<s4<<"Enter the Experience : "; cin>>e.exp; e.exp.resize(8); fstream file1,file2,file3; file1.open("emp.txt",ios::binary|ios::app); file2.open("leave.txt",ios::binary|ios::app); file3.open("salary.txt",ios::binary|ios::app); if(!file1||!file2){ cout<<s4<<"Error Occured!"<<nl; return; } e.casual=e.casual+"/20-0",e.sick=e.sick+"/15-0",e.study=e.study+"/10-0",e.parental=e.parental+"/40-0"; e.casual.resize(10),e.sick.resize(10),e.study.resize(10),e.parental.resize(10),e.sdate.resize(10),e.edate.resize(10),e.days.resize(5); file1<<s4<<"|"<<e.ssn<<"|"<<e.name<<"|"<<e.age<<"|"<<e.sal<<"|"<<e.exp<<"|"<<nl; file2<<e.ssn<<"|"<<e.name<<"|"<<e.casual<<"|"<<e.sick<<"|"<<e.study<<"|"<<e.parental<<"|"<<e.sal<<"|"<<e.sdate<<"|"<<e.edate<<"|"<<e.days<<"|"<<nl; file3<<e.ssn<<"|"<<e.sal<<"|"<<nl; file1.close(); file2.close(); file3.close(); cout<<s4<<"User added successfully!"<<nl<<nl<<nl; } void modUser() { char ch; string id,str; int found=0,count=0; fstream file1,file2; file1.open("emp.txt",ios::binary|ios::in); cout<<s4<<"Enter the Employee ID to modify : "; cin>>id; id.resize(8); if(!file1){ cout<<s4<<"Error Occured"<<nl; return; } int index=5; while(file1){ file1.seekg(index, ios::beg); getline(file1,str,'|'); if(str==id){ found=1; break; } else{ index+=51; str.clear(); count++; } } file1.close(); if(found==1) { start: int ch,beg,end; string newstr,str; cout<<s4<<"1. EDIT AGE"<<nl; cout<<s4<<"2. EDIT SALARY"<<nl; cout<<s4<<"3. EDIT EXPERIENCE"<<nl<<nl; cout<<s4<<cyp; cin>>ch; cout<<nl; if(ch==1 || ch==2 || ch==3){ cout<<s4<<"Enter the new value : "; cin>>newstr; } else goto start; newstr.resize(8); file1.open("emp.txt",ios::binary|ios::in); file2.open("temp.txt",ios::binary|ios::app); while(count--){ getline(file1,str); file2<<str<<endl; } if(ch==1) beg=3,end=2; else if(ch==2) beg=4,end=1; else if(ch==3) beg=5,end=0; for(int i=0;i<beg;i++){ getline(file1,str,'|'); file2<<str<<"|"; } file2<<newstr<<"|"; getline(file1,str,'|'); for(int i=0;i<end;i++){ getline(file1,str,'|'); file2<<str<<"|"; } while(file1){ getline(file1,str); file2<<str; if(file1) file2<<endl; } file1.close(); file2.close(); cout<<s4<<"Employee has been updated!"<<nl<<nl; char fn1[]="emp.txt",fn2[]="temp.txt"; recover(fn1,fn2); } else cout<<s4<<"Employee not found!"<<nl<<nl; } void recover(char *fn1,char *fn2) { remove(fn1); rename(fn2,fn1); } void displayUsers() { string str; fstream file; file.open("emp.txt",ios::binary|ios::in); if(!file){ cout<<s4<<"Error Occured"<<nl; return; } cout<<nl<<s4<<"Employee ID"<<s2<<"Name"<<s2<<"Age"<<s2<<"Salary"<<s1<<sp2<<"Experience"<<nl<<nl; while(file){ getline(file,str,'|'); cout<<str<<s1; } file.close(); int t=110; cout<<nl<<s3; while(t--) cout<<"-"; cout<<nl<<nl; file.close(); } void modLeave() { string id,str; int found=0,count=0; fstream file1,file2; file1.open("leave.txt",ios::binary|ios::in); cout<<s4<<"Enter the Employee ID : "; cin>>id; id.resize(8); if(!file1){ cout<<s4<<"Error Occured"<<nl; return; } int index=0; while(file1){ file1.seekg(index, ios::beg); getline(file1,str,'|'); if(str==id){ found=1; break; } else{ index+=100; str.clear(); count--; } } file1.close(); if(found==1) { start: string sdate,edate; int ch,com=7,beg,end,nol,ex=0,lea,tot,days=0,leave,nod; float sal,per; cout<<s4<<"1. CASUAL LEAVE"<<nl; cout<<s4<<"2. SICK LEAVE"<<nl; cout<<s4<<"3. STUDY LEAVE"<<nl; cout<<s4<<"4. PARENTAL LEAVE"<<nl<<nl; cout<<s4<<cyp; cin>>ch; cout<<nl; if(ch==1){ beg=0,end=3,tot=20,per=.08; } else if(ch==2){ beg=1,end=2,tot=15,per=0.05;} else if(ch==3){ beg=2,end=1,tot=10,per=0.03;} else if(ch==4){ beg=3,end=0,tot=40,per=0.15;} file1.open("leave.txt",ios::binary|ios::in); file2.open("temp1.txt",ios::binary|ios::app); while(count--){ getline(file1,str); file2<<str<<endl; } for(int i=0;i<2;i++){ getline(file1,str,'|'); file2<<str<<"|"; } for(int i=0;i<beg;i++){ getline(file1,str,'|'); file2<<str<<"|"; } cout<<s4<<"Enter the number of leaves : "; cin>>nol; getline(file1,str,'|'); stringstream buf1(str); buf1>>lea; leave=lea; if(lea-nol<0) days=abs(lea-nol); lea=lea-nol; if(days!=0) lea=0; fstream buf2; buf2.open("mod.txt",ios::binary|ios::out); buf2<<lea<<"/"<<tot<<"-"<<days; buf2.close(); buf2.open("mod.txt",ios::binary|ios::in); getline(buf2,str); buf2.close(); remove("mod.txt"); str.resize(10); file2<<str<<"|"; for(int i=0;i<end;i++){ getline(file1,str,'|'); file2<<str<<"|"; } getline(file1,str,'|'); sal=getSal(id); if(leave-nol<0) sal=sal-(float)sal*per*abs(tot-leave); ostringstream buf4; buf4<<sal; str=buf4.str();; str.resize(8); file2<<str<<"|"; cout<<s4<<"Enter the Start Date(dd/mm/yyyy) : "; cin>>sdate; cout<<s4<<"Enter the End Date(dd/mm/yyy) : "; cin>>edate; sdate.resize(10); edate.resize(10); file2<<sdate<<"|"; file2<<edate<<"|"; for(int i=0;i<3;i++) getline(file1,str,'|'); stringstream buf5(str); buf5>>nod; nod=nod+nol; ostringstream buf6; buf6<<nod; str=buf6.str(); str.resize(5); file2<<str<<"|"; while(file1){ getline(file1,str); file2<<str; if(file1) file2<<endl; } file1.close(); file2.close(); char fn1[]="leave.txt",fn2[]="temp1.txt"; recover(fn1,fn2); cout<<s4<<"Leave updated!"<<nl<<nl; } else cout<<s4<<"User not found!"<<nl<<nl; } void dispLeave() { string str; fstream file; file.open("leave.txt",ios::binary|ios::in); if(!file){ cout<<s4<<"Error Occured"<<nl; return; } cout<<nl<<"Employee ID\t"<<"Name\t\t"<<"CL(20)\t\t"<<"SL(15)\t\t"<<"STL(10)\t\t"<<"PL(40)\t\t"<<"Salary\t\t"<<"Start Date"<<sp2<<sp2<<"End Date"<<sp2<<sp2<<"NoofLeaves"<<nl<<nl; while(file){ getline(file,str,'|'); cout<<str<<"\t"; } cout<<nl<<nl; cout<<"Note : This table shows remaining leaves."<<nl<<sp2<<"CL : CASUAL LEAVE"<<nl<<sp2<<"SL : SICK LEAVESEAVE"<<nl<<sp2<<"STL : STUDY LEAVE"<<nl<<sp2<<"PL : PARENTAL LEAVE"<<nl<<sp2<<"Number after '-' sign indicates extra leaves."<<nl<<nl; file.close(); } void deleteLeave() { string id,str; int found=0,count=0; fstream file1,file2; file1.open("leave.txt",ios::binary|ios::in); cout<<s4<<"Enter the Employee ID to delete : "; cin>>id; id.resize(8); if(!file1){ cout<<s4<<"Error Occured"<<nl; return; } int index=0; while(file1){ file1.s