44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/* 输入输出运算符重载.cpp */
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/*
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有一销售人员类Sales，其数据成员有姓名name，身份证号id，年龄age。
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重载输入/输出运算符实现对Sales类数据成员的输入和输出。
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*/
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#include <cstring>
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#include <iostream>
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using namespace std;
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class Sales {
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private:
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char name[10];
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char id[18];
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int age;
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public:
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Sales(char *Name, char *ID, int Age);
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friend Sales &operator<<(ostream &os, Sales &s); //重载输出运算符
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friend Sales &operator>>(istream &is, Sales &s); //重载输入运算符
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};
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Sales::Sales(char *Name, char *ID, int Age) {
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strcpy(name, Name);
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strcpy(id, ID);
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age = Age;
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}
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Sales &operator<<(ostream &os, Sales &s) {
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os << s.name << "\t"; //输出姓名
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os << s.id << "\t"; //输出身份证号
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os << s.age << endl; //输出年龄
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return s;
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}
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Sales &operator>>(istream &is, Sales &s) {
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cout << "输入雇员的姓名，身份证号，年龄" << endl;
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is >> s.name >> s.id >> s.age;
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return s;
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}
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int main() {
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Sales s1("杜康", "214198012111711", 40); // L1
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cout << s1; // L2
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cout << endl; // L3
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cin >> s1; // L4
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cout << s1; // L5
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}
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