The Student information management system in the design of the curriculum of the freshman C language

the first time to write such a long program, the code is only for reference, there are questions please leave a message.

/*** Student Information Management system **ide:dev-cpp 4.9.9.2**2014-6-15*/#include <stdio.h> #include <stdlib.h> #include < string.h> #include <algorithm> #include <vector>using std::sort;using std::vector;/*== storage Unit node ==*/ struct student{//character array for easy unified input char name[50], address[100], email[50], id[20],age[5], birth[20], tel[20], gender[5];}; vector<student> myvec;/*========== function declaration Area ==========*//*-Print Main Menu declaration-*/void Printmainmenu ();/*-main interface function declaration-*/void  Enterinformation ();  1void browseinformation ();  2void inquireinformation ();  3void modifyinformation ();  4void deleteinformation ();  5void SaveToFile ();//6void readfromfile ();//7void exitinformation (); 0/*--declaration of the main interface function--*/void inquireonestudent (student *); void modifyonestudent (student *);/*--Change individual information--*/void Modifyoneid (student *); void Modifyonename (student *); void Modifyoneage (student *); void Modifyonegender (student *); void Modifyonebirth (student *), void Modifyonetel (student *), void modifyoneaddress (student *), void Modifyoneemail ( Student *); void Modifytomain (student *); This fact does not require a form of participation, just for unified jump table Interface/*--Delete a student--*/void deleteonestudent (student *);/*--Show all information about a student--*/void displayonestudent (student *);/*--browsing mode--*/void browseplain (); Direct view of void Browsebyid (); void Browsebyname (); void Browsebybirth (); void Browsetomain ();/*--query mode--*/void Inquirebyid () ; void Inquirebyname ();/*-function pointer array-*/void (*mainpointerarr[]) () = {exitinformation, enterinformation, browseinformation , Inquireinformation,modifyinformation, Deleteinformation, SaveToFile, Readfromfile};void (*modifyOne[]) (student *) = {modifytomain, Modifyoneid, Modifyonename,modifyoneage, Modifyonegender, Modifyonebirth,modifyonetel, Modifyoneaddress, Modifyoneemail};void (*browsearray[]) () = {Browsetomain, browseplain, Browsebyid, BrowseByName, browsebybirth};/*========== function Definition Area ==========*//*-main interface menu function-*/void Printmainmenu () {printf ("\t\t\t Student information Management system of Henan Polytechnic University \ n" );p rintf ("\t\t ======================================\n");p rintf ("\t\t | | \T\T1, Student Information Entry \t| | \ n ");p rintf (" \t\t | | \T\T2, Student information Browse \t| | \ n ");printf ("\t\t | | \T\T3, Student Information Inquiry \t| | \ n ");p rintf (" \t\t | | \T\T4, Student information Change \t| | \ n ");p rintf (" \t\t | | \T\T5, Student information Delete \t| | \ n ");p rintf (" \t\t | | \T\T6, Student Information Archive \t| | \ n ");p rintf (" \t\t | | \T\T7, Student information reading \t| | \ n ");p rintf (" \t\t | | \T\T0, Exit management System \t| | \ n ");p rintf (" \t\t ======================================\n ");p rintf (" \t\t\t\t\t\t original Chu Zhenggang \ n ");p rintf (" \t\t\t\t\t\ T completion time: June 17, 2014 \ n ");p rintf (" \t\t\t\t\t\temail:[email protected]\n ");p rintf (" Please select function: "); int num;scanf ("%d ", &num);(*mainpointerarr[num]) ();} /*-Information Entry-*/void enterinformation () {//1system ("CLS");p rintf ("Enter student information: \ n");p rintf ("Please enter study number:"); int len; student temp; while (gets (temp.id) &&!strlen (temp.id)); Filter Cache Enter printf ("Please enter Name:"); while (Temp.name &&!strlen (temp.name)); Filter Cache Enter printf ("Please enter Age:"); while (gets (temp.age) &&!strlen (temp.age)); Filter Cache Enter printf ("Please enter Gender:"); while (gets (Temp.gender) &&!strlen (Temp.gender)); Filter Cache Enter printf ("Please enter Birthday:"); while (Temp.birth &&!strlen (Temp.birth)); Filter cache return to printf ("Please enter Phone:"); while (gets (tEmp.tel) &&!strlen (Temp.tel)); Filter Cache Enter printf ("Please enter Address:"); while (Temp.address &&!strlen (temp.address)); Filter Cache Enter printf ("Please enter email:"); while (Temp.email &&!strlen (temp.email)); Filter Cache carriage return Myvec.push_back (temp), System ("CLS");p rintf ("OK, entry successful, the student information such as the following: \ n"); len = Myvec.size ()-1; Inquireonestudent (&myvec[len]);} void BrowseInformation () {//2if (Myvec.empty ()) {printf ("There is no student information detected whatsoever!") Please browse after inputting! \ nthe system will be returned to the main interface \ n "); system (" pause "); Browsetomain ();} printf ("Please select function: \ n");p rintf ("1, browse \ n");p rintf ("2, browse \ n by School number");p rintf ("3, browse \ n by name");p rintf ("4, browse by birthdays"); printf ("0, return to main menu \ n"); int num; scanf ("%d", &num);(*browsearray[num]); BrowseInformation (); void Inquireinformation () {//3if (Myvec.empty ()) {printf ("No data, no query!") The system will return to the main menu \ n "), System (" pause "); Browsetomain (); return;} printf ("Please select function:");p rintf ("1, enter the study number \ n");p rintf ("2, enter name query \ n");p rintf ("0, return to main menu \ n"); int num; scanf ("%d", &num), if (num = = 1) Inquirebyid (), else if (num = = 2) inquirebyname (); System ("pause"); Browsetomain ();} void MoDIfyinformation () {//4 printf ("Please enter the student number to be changed:"), Char buf[20];while (Get (BUF),!strlen (BUF));//filter empty string still vector< Student>::iterator it = Myvec.begin (); for (; It! = Myvec.end (); ++it) {if (strcmp (buf, it->id) = = 0) {modifyonestudent (&myvec[it-myvec.begin ()]); return;}} printf ("No find! \ n ");} void Deleteinformation () {//5if (Myvec.empty ()) {printf ("No data is available for deletion and the system returns to the main menu.") \ n "); system (" pause "); Browsetomain (); return;} printf ("Choose function: \ n");p rintf ("1, clear all data \ n");p rintf ("2, delete information for a specific student \ n");p rintf ("0, return to main menu \ n"); int num; scanf ("%d", &num), if (1 = = num) {myvec.clear ();p rintf ("successfully clears all information \ n"); else if (2 = = num) {char buf[20];p rintf ("Please enter student number:"), while (Gets (BUF),!strlen (BUF)); Vector<student>::iterator it = Myvec.begin (); for (; It! = Myvec.end (); ++it) {if (!strcmp (buf, It->id)) {deleteonestudent (&myvec[it-myvec.begin ()]); return;}} printf ("The student was not found!") \ n ");} System ("pause"); Browsetomain ();} void SaveToFile () {//6if (Myvec.empty ()) {printf ("The data is empty and cannot be stored, please save it to the file after entering the information!") The system will return to the main menu! \ n "); system (" pause "); Browsetomain(); return;} FILE *FP = fopen ("StudentInformation.txt", "w"); Vector<student>::iterator it = Myvec.begin (); for (; it < MYVEC.E nd (); ++it) {fprintf (FP, "%s\n", It->id), fprintf (FP, "%s\n", It->name), fprintf (FP, "%s\n", It->age); fprintf (FP, "%s" \ n ", It->gender); fprintf (FP,"%s\n ", It->birth); fprintf (FP,"%s\n ", It->tel); fprintf (FP,"%s\n ", it-> address); fprintf (FP, "%s\n", It->email);} Fclose (FP);p rintf ("OK, archive finished! The system returns to the main interface. \ n "); system (" pause "); Browsetomain ();} void ReadFromFile () {//7 file *FP = fopen ("StudentInformation.txt", "RB"), if (fp = = NULL) {printf ("Not detected to archive file!") The system returns to the main interface. \ n "); system (" pause "); Browsetomain (); return;} Student It;myvec.clear (); while (FSCANF (FP, "%s", it.id) = = 1) {fscanf (FP, "%s", It.name), fscanf (FP, "%s", it.age); FSCANF ( FP, "%s", It.gender), fscanf (FP, "%s", It.birth), fscanf (FP, "%s", It.tel), fscanf (FP, "%s", it.address), fscanf (FP, "%s", It.email); Myvec.push_back (it);} Fclose (FP); if (Myvec.empty ()) {printf ("Read archive failed!") The system will return to the main interface! \ n ");} else{printf ("Read archive succeeded!") The system will returnBack to the main screen! \ n ");} System ("pause"); Browsetomain ();} void Exitinformation () {//0printf ("Thank you for your use! Goodbye \ "); System (" pause "); exit (exit_success);} void Displayonestudent (student *stu) {printf ("*****************************\n");p rintf ("study number:%s\n", stu->id); printf ("Name:%s\n", Stu->name);p rintf ("Age:%s\n", Stu->age);p rintf ("Gender:%s\n", Stu->gender);p rintf ("Birthday:%s\n" , Stu->birth);p rintf ("Tel:%s\n", Stu->tel);p rintf ("Address:%s\n", stu->address);p rintf ("email:%s\n", stu-> email);p rintf ("*****************************\n");} void Inquireonestudent (student *stu) {displayonestudent (stu);p rintf ("Please select action: \ n");p rintf ("1, change this student information \ n");p rintf ("2, Delete the student information \ n ");p rintf (" 0, return to main menu \ n "); int num; LABEL:SCANF ("%d", &num), if (num = = 1) modifyonestudent (STU), else if (num = = 2) deleteonestudent (STU); else if (num = = 0) m Odifytomain (stu); Else goto label;} void Modifyonestudent (Student *stu) {System ("CLS");p rintf ("Change current student information: \ n");p rintf ("1, change number \ n");p rintf ("2, change name \ n"); printf ("3, change age \ n");p rintf ("4, change sex \ n");p rintf ("5, change birthday \ n");p rintf ("6, change phone \ n ");p rintf (" 7, change address \ n ");p rintf (" 8, Change email\n ");p rintf (" 0, return to main menu \ n "); int num; scanf ("%d", &num);(*modifyone[num]) (STU);} void Modifyoneid (student *stu) {printf ("Please enter a new number:"), while (Gets (stu->id) &&!strlen (stu->id)); Filter Cache Enter printf ("Change succeeded!") The changed student information such as the following: \ n "); Inquireonestudent (Stu);} void Modifyonename (student *stu) {printf ("Please enter a new name:"), while (Gets (stu->name) &&!strlen (stu->name)); Filter Cache Enter printf ("Change succeeded!") The changed student information such as the following: \ n "); Inquireonestudent (Stu);} void Modifyoneage (student *stu) {printf ("Please enter a New Age:"), while (Gets (stu->age) &&!strlen (stu->age)); Filter Cache Enter printf ("Change succeeded!") The changed student information such as the following: \ n "); Inquireonestudent (Stu);} void Modifyonegender (student *stu) {printf ("Enter new gender:"); while (gets (Stu->gender) &&!strlen (stu->gender )); Filter Cache Enter printf ("Change succeeded!") The changed student information such as the following: \ n "); Inquireonestudent (Stu);} void Modifyonebirth (student *stu) {printf ("Please enter a new birthday:"), while (Gets (Stu->birth) &&!strlen (Stu->birth)); Filter Cache Enter printf ("Change succeeded!") The changed student information such as the following: \ n "); Inquireonestudent (Stu);}void Modifyonetel (student *stu) {printf ("Please enter a new phone:"), while (Gets (Stu->tel) &&!strlen (Stu->tel)); Filter Cache Enter printf ("Change succeeded!") The changed student information such as the following: \ n "); Inquireonestudent (Stu);} void modifyoneaddress (student *stu) {printf ("Please enter a new address:"); while (gets (stu->address) &&!strlen (stu-> address)); Filter Cache Enter printf ("Change succeeded!") The changed student information such as the following: \ n "); Inquireonestudent (Stu);} void Modifyoneemail (student *stu) {printf ("Please enter a new email:"); while (Stu->email) &&!strlen (stu->email )); Filter Cache Enter printf ("Change succeeded!") The changed student information such as the following: \ n "); Inquireonestudent (Stu);} void Modifytomain (Student *stu) {System ("CLS");p Rintmainmenu (); void Deleteonestudent (student *stu) {Vector<student>::iterator it;it = Myvec.begin () + (STU-&myvec[0]); Myvec.erase (IT);p rintf ("Delete succeeded! \ n ");} /*--cmp function Definition--*/bool Cmpbyid (student A, student B) {if (strcmp (a.id, b.ID) < 0) return true;} BOOL Cmpbyname (Student A, student B) {if (strcmp (A.name, B.name) < 0) return true;} BOOL Cmpbybirth (Student A, student B) {if (strcmp (A.birth, B.birth) < 0) return true;} /*--Browse mode--*/void browseplain () {//browse directly if (Myvec.empty ()) {printf ("Data is empty! The main menu is returned. \ n "); system (" pause "); Modifytomain (NULL);} Vector<student>::iterator stu = Myvec.begin (); for (; Stu! = Myvec.end (); ++stu) displayonestudent (&myvec[stu- Myvec.begin ()]);} void Browsebyid () {if (Myvec.empty ()) {printf ("Data is empty!") The main menu is returned. \ n "); system (" pause "); Modifytomain (NULL);} Sort (Myvec.begin (), Myvec.end (), Cmpbyid), Vector<student>::iterator stu = Myvec.begin (); for (; Stu! = Myvec.end () ; ++stu) Displayonestudent (&myvec[stu-myvec.begin ());} void Browsebyname () {if (Myvec.empty ()) {printf ("Data is empty!") The main menu is returned. \ n "); system (" pause "); Modifytomain (NULL);} Sort (Myvec.begin (), Myvec.end (), cmpbyname), Vector<student>::iterator stu = Myvec.begin (); for (; Stu! = Myvec.end (); ++stu) Displayonestudent (&myvec[stu-myvec.begin ());} void Browsebybirth () {if (Myvec.empty ()) {printf ("Data is empty!") The main menu is returned. \ n "); system (" pause "); Modifytomain (NULL);} Sort (Myvec.begin (), Myvec.end (), Cmpbybirth); vector<student>::iterator Stu = Myvec.begin (); for (; Stu! = Myvec.end (); ++stu) Displayonestudent (&myvec[stu-myvec.begin ()]);} void Browsetomain () {System ("CLS");p Rintmainmenu ();} /*--Query Method--*/void Inquirebyid () {printf ("Please enter the student number to query:"); char buf[20]; int ok = 0;while (Get (BUF),!strlen (BUF)); is still filtered empty string vector<student>::iterator it = Myvec.begin (); for (; It! = Myvec.end (); ++it) {if (strcmp (buf, it->id) = = 0) {displayonestudent (&myvec[it-myvec.begin ())); ok = 1;}} if (0 = = OK) printf ("Not Found! \ n ");} void Inquirebyname () {printf ("Enter the name of the student to be queried:"), char buf[20]; int ok = 0;while (Get (BUF),!strlen (BUF));//Still filter the empty string vector <student>::iterator it = Myvec.begin (); for (; It! = Myvec.end (); ++it) {if (strcmp (buf, it->name) = = 0) {Displayone Student (&myvec[it-myvec.begin ())); ok = 1;}} if (0 = = OK) printf ("Not Found! \ n ");} /*========== main function ==========*/int main () {printmainmenu (); return 0;}

The Student information management system in the design of the curriculum of the freshman C language