Design and Implement the Class Phonebook Using Bst
C++ implements PhoneBook class
tags: C++ program c++ class
Problem Description
Class diagram design
Source code
//class #include <vector> #include <string> using namespace std; typedef struct phBook{ string no; string name; string number; }pb; class PhoneBook { vector<pb> arr; int size_pb; public : PhoneBook ( ) ; PhoneBook ( int size_pb) ; PhoneBook (PhoneBook& x) ; PhoneBook& operator = (PhoneBook& x) ; pb& operator [ ] (string name) ; ~ PhoneBook ( ) ; vector<pb> & getArr ( ) ; void add (pb x) ; void serch1 (string name) ; void serch2 (string number) ; void serch3 (string no) ; void del (string no) ; void inCtrl ( int n) ; void inFile (string filename) ; void outCtrl ( ) ; void outFile (string filename) ; } ; //class.cpp #include "class.h" #include <iostream> #include <cstring> #include <fstream> PhoneBook:: PhoneBook ( ) { vector<pb> temp; arr = temp; size_pb = 0 ; } PhoneBook:: PhoneBook ( int size_pb) { vector<pb> temp (size_pb) ; arr = temp; this - >size_pb = size_pb; } vector<pb> & PhoneBook:: getArr ( ) { return arr; } PhoneBook:: PhoneBook (PhoneBook& x) { size_pb = x.size_pb; arr = x. getArr ( ) ; } PhoneBook& PhoneBook:: operator = (PhoneBook& x) { if ( this == &x) return * this ; size_pb = x.size_pb; arr = x. getArr ( ) ; return * this ; } pb& PhoneBook:: operator [ ] (string name) { serch2 (name) ; } PhoneBook:: ~ PhoneBook ( ) { } void PhoneBook:: add (pb x) { int num = arr. size ( ) ; if (num == size_pb) { cout << "this array is full!" << endl; return ; } arr. push_back (x) ; } void PhoneBook:: serch1 (string no) { int num = arr. size ( ) ; for ( int i= 0 ;i<num;i++ ) { pb temp = arr[i] ; int n = no. compare (temp.no) ; if (n == 0 ) { cout<< "no: " << temp.no << endl; cout<< "name: " << temp.name << endl; cout<< "number: " << temp.number << endl; break ; } } } void PhoneBook:: serch2 (string name) { int num = arr. size ( ) ; for ( int i= 0 ;i<num;i++ ) { pb temp = arr[i] ; int n = name. compare (temp.name) ; if (n == 0 ) { cout<< "no: " << temp.no << endl; cout<< "name: " << temp.name << endl; cout<< "number: " << temp.number << endl; } } } void PhoneBook:: serch3 (string number) { int num = arr. size ( ) ; for ( int i= 0 ;i<num;i++ ) { pb temp = arr[i] ; int n = number. compare (temp.number) ; if (n == 0 ) { cout<< "no: " << temp.no << endl; cout<< "name: " << temp.name << endl; cout<< "number: " << temp.number << endl; } } } void PhoneBook:: del (string no) { int num = arr. size ( ) ; for ( int i= 0 ;i<num;i++ ) { pb temp = arr[i] ; int n = no. compare (temp.no) ; if (n == 0 ) { pb t = arr[num- 1 ] ; arr[num- 1 ] = arr[i] ; arr[i] = t; arr. pop_back ( ) ; break ; } } } void PhoneBook:: inCtrl ( int n) { cout << "please input (no name number)" << endl; if (size_pb< n) { cout << "this array is small!" << endl; return ; } for ( int i= 0 ;i<n;i++ ) { pb temp = arr[i] ; cin >> temp.no >> temp.name >> temp.number; arr[i] = temp; } for ( int i = 0 ;i<size_pb-n;i++ ) arr. pop_back ( ) ; } void PhoneBook:: inFile (string filename) { ifstream in (filename. c_str ( ) ) ; string s; int m = 1 ; cout << "no\tname\tnumber\n" ; while (in >> s ) { if (m% 3 )cout << s << "\t" ; else cout << s <<endl; m++ ; } in. close ( ) ; } void PhoneBook:: outCtrl ( ) { int num = arr. size ( ) ; cout << "no\tname\tnumber\n" ; for ( int i= 0 ;i<num;i++ ) { pb temp = arr[i] ; cout << temp.no<< "\t" <<temp.name << "\t" << temp.number << endl; } } void PhoneBook:: outFile (string filename) { ofstream out (filename. c_str ( ) ) ; int num = arr. size ( ) ; for ( int i= 0 ;i<num;i++ ) { pb temp = arr[i] ; out << temp.no << "\n" ; out << temp.name << "\n" ; out << temp.number << "\n" ; } out. close ( ) ; } //main.cpp #include <iostream> #include "class.h" using namespace std; int main ( ) { PhoneBook b ( 5 ) ; string s1 = "out.txt" ; b. inCtrl ( 2 ) ; b. outFile (s1) ; return 0 ; } Partial test results
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Design and Implement the Class Phonebook Using Bst
Source: https://www.programmersought.com/article/62646133509/
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