Create Invoice.cpp

This is my assignment_03
Student ID:201816040205

201816040205/Ex03_13/Invoice.cpp

@@ -0,0 +1,70 @@
+#include <iostream>
+#include "Invoice.h"
+using namespace std;
+
+Invoice::Invoice(string number,string discribe,int sale,int price)//define structor
+{
+    setNumber(number);
+    setDiscribe(discribe);
+    setSale(sale);
+    setPrice(price);
+}
+
+void Invoice::setNumber(string num)//definr set and get functions
+{
+
+    Number=num;
+
+
+}
+
+void Invoice::setDiscribe(string dis)
+{
+
+    Discribe=dis;
+
+
+}
+
+void Invoice::setSale(int sal)
+
+{
+    if(sal>=0)
+    Sale=sal;
+    else
+        Sale=0;
+}
+
+void Invoice::setPrice(int pri)
+
+{
+    if(pri>=0)
+    Price=pri;
+    else
+        Price=0;
+}
+
+string Invoice::getNumber()
+{
+    return Number;
+}
+
+string Invoice::getDiscribe()
+{
+    return Discribe;
+}
+
+int Invoice::getSale()
+{
+    return Sale;
+}
+
+int Invoice::getPrice()
+{
+    return Price;
+}
+
+int Invoice::getInvoiceAmount()
+{
+    return Price*Sale;
+}