32 lines
610 B
C++
32 lines
610 B
C++
/**
|
|
* @name 适配器模式
|
|
* @brief: 转换接口以兼容客户端
|
|
* @note 场景：集成旧库、第三方库接口转换
|
|
*/
|
|
|
|
// 旧类 (不兼容接口)
|
|
class LegacyPrinter {
|
|
public:
|
|
void printDocument() { /* 旧式打印 */ }
|
|
};
|
|
|
|
class PrinterInterface {
|
|
public:
|
|
virtual void print() = 0;
|
|
};
|
|
|
|
// 适配器
|
|
class PrinterAdapter : public PrinterInterface {
|
|
LegacyPrinter legacyPrinter;
|
|
public:
|
|
void print() override {
|
|
legacyPrinter.printDocument(); // 调用旧方法
|
|
}
|
|
};
|
|
|
|
// 使用
|
|
int main()
|
|
{
|
|
PrinterInterface* printer = new PrinterAdapter();
|
|
printer->print();
|
|
} |