79 lines
1.2 KiB
C++
79 lines
1.2 KiB
C++
// Classroom exercises: 课堂练习
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// ce
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// 类的定义和使用
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#include <iostream>
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#include <cstring>
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using namespace std;
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class Person
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{
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public:
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void init(const char *iname, int iage);
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void setName(const char sname[]);
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void setAge(int sage);
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const char *getname();
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const int getAge();
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const void show();
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private:
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char name[32];
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int age;
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};
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void Person::init(const char *iname, int iage)
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{
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strcpy(this->name, iname);
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if (iage > 0 && iage < 100)
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this->age = iage;
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else
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{
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this->age = 0;
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cout << "年龄超出范围，拒绝赋值!" << endl;
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}
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}
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void Person::setName(const char sname[])
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{
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strcpy(this->name, sname);
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}
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void Person::setAge(int sage)
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{
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if (sage > 0 && sage < 100)
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this->age = sage;
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else
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{
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cout << "年龄超出范围，拒绝赋值!" << endl;
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}
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}
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const char *Person::getname()
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{
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return this->name;
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}
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const int Person::getAge()
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{
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return this->age;
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}
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const void Person::show()
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{
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cout << "name = " << this->name << ", age = " << this->age << endl;
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}
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int main()
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{
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Person p1;
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p1.setAge(20);
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p1.setName("flykhan");
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p1.show();
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Person p2;
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p2.init("hello", 0);
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p2.show();
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return 0;
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}
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