07_23 种设计模式之《桥接模式》
#include <iostream>
using namespace std;
// 支付模式--实现化角色（实现类接口，Implementation（实现类接口））
class IPayMode {
public:
virtual bool security(string Uid) = 0;
};
// 具体实现化角色：密码支付（具体实现类）
class PayCypher :public IPayMode {
public:
bool security(string uId) override {
cout << "密码支付，风控校验环境安全." << endl;
return true;
}
};
// 人脸支付
class PayFaceMode :public IPayMode {
public:
bool security(string uId) override {
cout << "人脸支付，风控校验脸部识别." << endl;
return true;
}
};
// 指纹支付
class PayFingerPrintMode :public IPayMode {
public:
bool security(string uId) override {
cout << "指纹支付，风控校验指令信息安全." << endl;
return true;
}
};
// 抽象化类：支付（抽象化角色）
class Pay {
public:
IPayMode *payMode;
Pay(IPayMode* payMode)
{
this->payMode = payMode; // 抽象类定义一个IPayMode，跟IPayMode存在关联关系
}
virtual ~Pay() {
delete payMode;
}
virtual string transfer(string uId, string tradeId, long long amount) = 0;
};
// 扩展抽象化角色：微信支付
class WxPay :public Pay {
public:
WxPay(IPayMode* payMode) :Pay(payMode) {}
// 扩展抽象类（实现抽象类中定义的成员函数）
string transfer(string uId, string tradeId, long long amount) {
cout << "微信支付开始，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
bool security = payMode->security(uId);
if (!security)
{
cout << "微信支付失败，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
return "Fail000";
}
else
{
cout << "微信支付成功，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
return "Success001";
}
}
};
// 扩展抽象化角色：支付宝支付
class AliPay :public Pay {
public:
AliPay(IPayMode* payMode) :Pay(payMode) {}
// 扩展抽象类（实现抽象类中定义的成员函数）
string transfer(string uId, string tradeId, long long amount) {
cout << "支付宝支付开始，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
bool security = payMode->security(uId);
if (!security)
{
cout << "支付宝支付失败，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
return "Fail000";
}
else
{
cout << "支付宝支付成功，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
return "Success001";
}
}
};
// 扩展抽象化角色：华为支付
class HuaweiPay :public Pay {
public:
HuaweiPay(IPayMode* payMode) :Pay(payMode) {}
// 扩展抽象类（实现抽象类中定义的成员函数）
string transfer(string uId, string tradeId, long long amount) {
cout << "华为支付开始，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
bool security = payMode->security(uId);
if (!security)
{
cout << "华为支付失败，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
return "Fail000";
}
else
{
cout << "华为支付成功，用户ID：" << uId << "交易ID：" << tradeId << "交易金额：" << amount << endl;
return "Success001";
}
}
};
int main()
{
cout << "--------------------请选择付款方式--------------------" << endl;
Pay* wxpay = new WxPay(new PayFaceMode());
wxpay->transfer("weixin_666", "20221201", 290000);
cout << endl << endl;
cout << "--------------------请选择付款方式--------------------" << endl;
Pay* huawei = new HuaweiPay(new PayCypher());
huawei->transfer("Huawei_888", "20221208", 1000000);
cout << endl << endl;
cout << "--------------------请选择付款方式--------------------" << endl;
Pay* alipay = new AliPay(new PayFingerPrintMode());
alipay->transfer("Alipay_999", "20221209", 9000000);
cout << endl << endl;
return 0;
}