56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
#include <iostream>
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#include <string>
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using namespace std;
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class Book {
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char *title;
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char *author;
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int numsold;
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public:
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Book() {
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}
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Book(const char *str1, const char *str2, const int num) {
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int len = strlen(str1);
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title = new char[len + 1];
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strcpy(title, str1);
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len = strlen(str2);
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author = new char[len + 1];
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strcpy(author, str2);
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numsold = num;
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}
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void setbook(const char *str1, const char *str2, const int num) {
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int len = strlen(str1);
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title = new char[len + 1];
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strcpy(title, str1);
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len = strlen(str2);
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author = new char[len + 1];
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strcpy(author, str2);
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numsold = num;
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}
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~Book() {
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delete title;
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delete author;
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}
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void print(ostream &output) {
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output << "book:" << title << endl;
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output << "author:" << author << endl;
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output << "total:" << numsold << endl;
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}
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};
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int main() {
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Book obj1("Physics", "LiFu", 200), obj2;
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obj1.print(cout);
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obj2.setbook("C++ Programming", "SunJuason", 300);
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obj2.print(cout);
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return 0;
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}
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/*
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book:Physics
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author:LiFu
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total:200
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book:C++ Programming
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author:SunJuason
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total:300
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*/ |