Academic leave-Student information Management System v1.0

This is the first academic leave of the project, the main part of the train on the home completed, after a few days to continue processing, today finally completed, this is the student management system of the beta version, the follow-up will continue to improve.

Student information includes: School number, name, age, gender, date of birth, address, telephone, e-mail, etc. Try to design a student information management system, so that it can provide the following functions:
(1) The system works in menu mode
(2) Student Information entry function ( student information file saving )---input
(3) Student Information browsing function---output
(4) Query, sorting function
Inquiry by study number
Search by name
(5) Deletion and modification of student information (optional)

/* *copyright (c) 2015, Yantai University School of computer *all gight reserved. * File name: Temp.cpp * Shao * Completed: January 19, 2015 * version number: v1.0*/#include <fstream> #include <iostream> #include <cstdlib > #include <string>using namespace std;void showmeun (void); int Name_search (string, int); int Num_search (string    , int), void showinfo (int num), void showchange (void), int open (void), void save (int num), struct student{string number;    String name;    string old;    string sex;    string birthday;    string add;    string phone; string Mail;};    File structure Student Stu[8000];int main () {int choice,i;    String Numkey,namekey;    int num=0,add,addsum,cut;        while (1) {num=open ();        Showmeun ();//Open Start Menu cin>>choice; if (choice==0) {cout<< "Thank you for using the @mayuko Student management system!"            <<endl;        Break            } else if (choice==1) {cout<< "Please enter student's study number:";            cin>>numkey;            I=num_search (Numkey,num);     if (i==-1)       {cout<< "No information for this student!                "<<endl;            Continue            } else Showinfo (i);        cout<<endl;            } else if (choice==2) {cout<< "Please enter the student's name:";            cin>>namekey;            I=name_search (Namekey,num); if (i==-1) {cout<< "does not have this student information!                "<<endl;            Continue            } else Showinfo (i);        cout<<endl;            } else if (choice==3) {cout<< "The student's information is as follows:" <<endl;                for (i=0; i<num; i++) {showinfo (i);            cout<<endl;            }} else if (choice==4) {cout<< "Please enter the number of writes;";            cin>>addsum;            cout<< "Please enter student's number, name, age, gender (M or F), date of birth, address, telephone, e-mail" <<endl; cout<< "column such as: 201401 Xiao Van 19961218 Global village 17862817891 [email protected] "<<endl;            Open File Ofstream outfile ("Students.txt", Ios::app); if (!outfile) {cout<< "Open file failed!                ";            Exit (1);            } num+=addsum; for (Add=num; add< (addsum+num); add++) {cin>>stu[add].number>>stu[add].name>& Gt;stu[add].old>>stu[add].sex>>stu[add].birthday>>stu[add].add>>stu[add].phone>>                Stu[add].mail; outfile<<stu[add].number<< "<<stu[add].name<<" "<<stu[add].old<<" "<< stu[add].sex<< "<<stu[add].birthday<<" "<<stu[add].add<<" "<<stu[add].phone            << "" <<stu[add].mail<<endl;            } outfile.close (); cout<< "Write End! A total of "<<num<<" records are written for "<<addsum<<" records.            "<<endl;         End of File Write} else if (choice==5) {   cout<< "Please enter the student number to be modified:";            cin>>numkey;            I=num_search (Numkey,num);            cout<< "You are modifying" ";            Showinfo (i);            cout<< "" Information <<endl;            Showchange ();            cin>>cut;            cout<< "Please enter the modified content:";                while (1) {if (cut==1) cin>>stu[i].number;                else if (cut==2) cin>>stu[i].name;                else if (cut==3) cin>>stu[i].old;                else if (cut==4) cin>>stu[i].sex;                else if (cut==5) cin>>stu[i].birthday;                else if (cut==6) cin>>stu[i].add;                else if (cut==7) cin>>stu[i].phone;                else if (cut==8) cin>>stu[i].mail; else {cout<< "input error, coming back" &Lt;<endl;                Break                } save (NUM); cout<< "modified successfully!                "<<endl;            Break }}} return 0;}    int open (void) {int num=0;    Ifstream infile ("Students.txt", ios::in); if (!infile) {cout<< "Open file failed!        ";    Exit (1);        } while (Infile>>stu[num].number) {infile>>stu[num].name;        infile>>stu[num].old;        infile>>stu[num].sex;        infile>>stu[num].birthday;        infile>>stu[num].add;        infile>>stu[num].phone;        infile>>stu[num].mail;    num++;    } infile.close (); File read end return num;}    void save (int num) {int add;    Ofstream outfile ("Students.txt", ios::out); if (!outfile) {cout<< "Open file failed!        ";    Exit (1); } for (add=0; add<num; add++) {outfile<<stu[add].number<< "" <<stu[add].name<< "" & lt;<stu[add].old<<"<<stu[add].sex<<" "<<stu[add].birthday<<" "<<stu[add].add<<" <<stu[    add].phone<< "" <<stu[add].mail<<endl; } outfile.close ();}    void Showmeun (void) {cout<< "-----------------" <<endl;    cout<< "Student Information Management system" <<endl;    cout<< "-----------------" <<endl;    cout<< "1, by study number search" <<endl;    cout<< "2, Find by name" <<endl;    cout<< "3, Student information browse" <<endl;    cout<< "4, Student information entry" <<endl;    cout<< "5, modify student information" <<endl; cout<< "Please select function (type 0 exit):";}    void Showchange (void) {cout<< "--------------" <<endl;    cout<< "1-Study No." <<endl;    cout<< "2-Name" <<endl;    cout<< "3-age" <<endl;    cout<< "4-gender" <<endl;    cout<< "5-date of birth" <<endl;    cout<< "6-Address" <<endl;    cout<< "7-Phone" <<endl;    cout<< "8-e-mail" <<endl;    cout<< "--------------" <<endl; cout<< "Please enter the options you want to modify:";} void showinfo (int num) {cout<<stu[num].number<< "" <<stu[num].name<< "" <<stu[num].old << "<<stu[num].sex<<" <<stu[num].birthday<< "<<stu[num].add<<" "< <stu[num].phone<< "" <<stu[num].mail;    int Name_search (string key,int n) {int i;    for (i=0; i<n; i++) {if (key==stu[i].name) return i; } return i;}    int Num_search (string key,int n) {int i=-1;    for (i=0; i<n; i++) {if (key==stu[i].number) return i; } return i;}

Operation Result:

Additionally, the file "Students.txt" file for the Temp folder:

@ Mayuko

Academic leave-Student information Management System v1.0