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  1. #include <iostream>
  2. #include <string>
  3.  
  4. class Invoice {
  5. public:
  6.  
  7. 	void setBookName(std::string name) {
  8. 		book_name = name;
  9. 	}
  10. 	std::string getBookName() const {
  11. 		return book_name;
  12. 	}
  13.  
  14. 	void setBookNumber(int num) {
  15. 		book_number = num;
  16. 	}
  17. 	int getBookNumber() const {
  18. 		return book_number;
  19. 	}
  20.  
  21. 	void setQuantity(int quan) {
  22. 		if (quan > 0)
  23. 		quantity = quan;
  24. 		else
  25. 		quantity = 0;
  26. 	}
  27. 	int getQuantity() const {
  28. 		return quantity;
  29. 	}
  30.  
  31. 	void setPrice(int price) {
  32. 		if (price > 0)
  33. 		book_price = price;
  34. 		else
  35. 		book_price = 0;
  36. 	}
  37.  
  38. 	int getPrice() const {
  39. 		return book_price;
  40. 	}
  41.  
  42. 	int getItemAmount() {
  43. 		return item_amount = quantity*book_price;
  44. 	}
  45.  
  46. 	int getInvoiceAmount() {
  47. 		return invoice_amount = invoice_amount + item_amount;
  48. 	}	
  49. private:
  50. 	std::string book_name{0};
  51. 	int book_number{0},quantity{0},book_price{0},item_amount{0},invoice_amount{0};
  52. }; 
  53.  
  54. using namespace std;
  55.  
  56. int main() {
  57.  
  58. 	string name{},A[100];
  59. 	int B[100],C[100],D[100];
  60. 	int num{},quan{},price{};
  61. 	int x{},y{},i{};
  62.  
  63. 	Invoice Book[100];
  64.  
  65. 	for(i=0 ; i<100 ; i++) {
  66.  
  67. 		getline(cin, name);
  68. 		Book[i].setBookName(name);
  69. 		A[i] = Book[i].getBookName();
  70.  
  71. 		cin >> num;
  72. 		Book[i].setBookNumber(num);
  73. 		B[i] = Book[i].getBookNumber();
  74.  
  75. 		cin >> quan;
  76. 		Book[i].setQuantity(quan);
  77. 		C[i] = Book[i].getQuantity();
  78.  
  79. 		cin >> price;
  80. 		Book[i].setPrice(price);
  81. 		D[i] = Book[i].getPrice();
  82.  
  83. 		cout << "請輸入\"1\"繼續或輸入任意鍵退出。" << endl;
  84. 		cin >> x ;
  85. 		cin.ignore(); //呼叫 ignore 忽略緩衝區的資料
  86.  
  87. 		if( x != 1 ) {
  88. 			y = i;
  89. 			break;
  90. 		}
  91.  
  92. 	}
  93. 	for(i=0 ; i<=y ; i++) {
  94. 		cout << A[i] << endl;
  95. 		cout << B[i] << endl;
  96. 		cout << C[i] << endl;
  97. 		cout << D[i] << endl;
  98. 		cout << Book[i].getItemAmount() << endl;
  99. 		cout << Book[i].getInvoiceAmount() << endl;
  100. 	}
  101. }
Success #stdin #stdout 0s 4528KB
comments (?)
stdin 
Standard input is empty
stdout 
請輸入"1"繼續或輸入任意鍵退出。

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https://ideone.com/UP6Gmi
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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