小傅哥 | 重学 Java 设计模式：实战桥接模式

.gitignore

@@ -14,3 +14,5 @@
 /itstack-demo-design-6-01/itstack-demo-design-6-01.iml
 /itstack-demo-design-6-02/itstack-demo-design-6-02.iml
 /itstack-demo-design-6-00/itstack-demo-design-6-00.iml
+/itstack-demo-design-7-01/itstack-demo-design-7-01.iml
+/itstack-demo-design-7-02/itstack-demo-design-7-02.iml

itstack-demo-design-7-01/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>itstack-demo-design</artifactId>
+        <groupId>org.itstack</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>itstack-demo-design-7-01</artifactId>
+
+
+</project>
\ No newline at end of file

itstack-demo-design-7-01/src/main/java/org/itstack/demo/design/PayController.java

+package org.itstack.demo.design;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.math.BigDecimal;
+
+public class PayController {
+
+    private Logger logger = LoggerFactory.getLogger(PayController.class);
+
+    public boolean doPay(String uId, String tradeId, BigDecimal amount, int channelType, int modeType) {
+        // 微信支付
+        if (1 == channelType) {
+            logger.info("模拟微信渠道支付划账开始。uId：{} tradeId：{} amount：{}", uId, tradeId, amount);
+            if (1 == modeType) {
+                logger.info("密码支付，风控校验环境安全");
+            } else if (2 == modeType) {
+                logger.info("人脸支付，风控校验脸部识别");
+            } else if (3 == modeType) {
+                logger.info("指纹支付，风控校验指纹信息");
+            }
+        }
+        // 支付宝支付
+        else if (2 == channelType) {
+            logger.info("模拟支付宝渠道支付划账开始。uId：{} tradeId：{} amount：{}", uId, tradeId, amount);
+            if (1 == modeType) {
+                logger.info("密码支付，风控校验环境安全");
+            } else if (2 == modeType) {
+                logger.info("人脸支付，风控校验脸部识别");
+            } else if (3 == modeType) {
+                logger.info("指纹支付，风控校验指纹信息");
+            }
+        }
+        return true;
+    }
+
+}

itstack-demo-design-7-01/src/test/java/org/itstack/demo/design/ApiTest.java

+package org.itstack.demo.design;
+
+import org.junit.Test;
+
+import java.math.BigDecimal;
+
+public class ApiTest {
+
+    @Test
+    public void test_pay() {
+        PayController pay = new PayController();
+
+        System.out.println("\r\n模拟测试场景；微信支付、人脸方式。");
+        pay.doPay("weixin_1092033111", "100000109893", new BigDecimal(100), 1, 2);
+        
+        System.out.println("\r\n模拟测试场景；支付宝支付、指纹方式。");
+        pay.doPay("jlu19dlxo111","100000109894",new BigDecimal(100), 2, 3);
+    }
+
+}

itstack-demo-design-7-02/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>itstack-demo-design</artifactId>
+        <groupId>org.itstack</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>itstack-demo-design-7-02</artifactId>
+
+
+</project>
\ No newline at end of file

itstack-demo-design-7-02/src/main/java/org/itstack/demo/design/pay/channel/Pay.java

+package org.itstack.demo.design.pay.channel;
+
+import org.itstack.demo.design.pay.mode.IPayMode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.math.BigDecimal;
+
+public abstract class Pay {
+
+    protected Logger logger = LoggerFactory.getLogger(Pay.class);
+
+    protected IPayMode payMode;
+
+    public Pay(IPayMode payMode) {
+        this.payMode = payMode;
+    }
+
+    public abstract String transfer(String uId, String tradeId, BigDecimal amount);
+
+}

itstack-demo-design-7-02/src/main/java/org/itstack/demo/design/pay/channel/WxPay.java

+package org.itstack.demo.design.pay.channel;
+
+import org.itstack.demo.design.pay.mode.IPayMode;
+
+import java.math.BigDecimal;
+
+public class WxPay extends Pay {
+
+    public WxPay(IPayMode payMode) {
+        super(payMode);
+    }
+
+    public String transfer(String uId, String tradeId, BigDecimal amount) {
+        logger.info("模拟微信渠道支付划账开始。uId：{} tradeId：{} amount：{}", uId, tradeId, amount);
+        boolean security = payMode.security(uId);
+        logger.info("模拟微信渠道支付风控校验。uId：{} tradeId：{} security：{}", uId, tradeId, security);
+        if (!security) {
+            logger.info("模拟微信渠道支付划账拦截。uId：{} tradeId：{} amount：{}", uId, tradeId, amount);
+            return "0001";
+        }
+        logger.info("模拟微信渠道支付划账成功。uId：{} tradeId：{} amount：{}", uId, tradeId, amount);
+        return "0000";
+    }
+
+}

itstack-demo-design-7-02/src/main/java/org/itstack/demo/design/pay/channel/ZfbPay.java

+package org.itstack.demo.design.pay.channel;
+
+import org.itstack.demo.design.pay.mode.IPayMode;
+
+import java.math.BigDecimal;
+
+public class ZfbPay extends Pay {
+
+    public ZfbPay(IPayMode payMode) {
+        super(payMode);
+    }
+
+    public String transfer(String uId, String tradeId, BigDecimal amount) {
+        logger.info("模拟支付宝渠道支付划账开始。uId：{} tradeId：{} amount：{}", uId, tradeId, amount);
+        boolean security = payMode.security(uId);
+        logger.info("模拟支付宝渠道支付风控校验。uId：{} tradeId：{} security：{}", uId, tradeId, security);
+        if (!security) {
+            logger.info("模拟支付宝渠道支付划账拦截。uId：{} tradeId：{} amount：{}", uId, tradeId, amount);
+            return "0001";
+        }
+        logger.info("模拟支付宝渠道支付划账成功。uId：{} tradeId：{} amount：{}", uId, tradeId, amount);
+        return "0000";
+    }
+
+}

itstack-demo-design-7-02/src/main/java/org/itstack/demo/design/pay/mode/IPayMode.java

+package org.itstack.demo.design.pay.mode;
+
+public interface IPayMode {
+
+    boolean security(String uId);
+
+}

itstack-demo-design-7-02/src/main/java/org/itstack/demo/design/pay/mode/PayCypher.java

+package org.itstack.demo.design.pay.mode;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class PayCypher implements IPayMode{
+
+    protected Logger logger = LoggerFactory.getLogger(PayCypher.class);
+
+    public boolean security(String uId) {
+        logger.info("密码支付，风控校验环境安全");
+        return true;
+    }
+
+}

itstack-demo-design-7-02/src/main/java/org/itstack/demo/design/pay/mode/PayFaceMode.java

+package org.itstack.demo.design.pay.mode;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class PayFaceMode implements IPayMode{
+
+    protected Logger logger = LoggerFactory.getLogger(PayCypher.class);
+
+    public boolean security(String uId) {
+        logger.info("人脸支付，风控校验脸部识别");
+        return true;
+    }
+
+}
\ No newline at end of file

itstack-demo-design-7-02/src/main/java/org/itstack/demo/design/pay/mode/PayFingerprintMode.java

+package org.itstack.demo.design.pay.mode;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class PayFingerprintMode implements IPayMode{
+
+    protected Logger logger = LoggerFactory.getLogger(PayCypher.class);
+
+    public boolean security(String uId) {
+        logger.info("指纹支付，风控校验指纹信息");
+        return true;
+    }
+
+}

itstack-demo-design-7-02/src/test/java/org/itstack/demo/design/test/ApiTest.java

+package org.itstack.demo.design.test;
+
+import org.itstack.demo.design.pay.channel.Pay;
+import org.itstack.demo.design.pay.channel.WxPay;
+import org.itstack.demo.design.pay.channel.ZfbPay;
+import org.itstack.demo.design.pay.mode.PayFaceMode;
+import org.itstack.demo.design.pay.mode.PayFingerprintMode;
+import org.junit.Test;
+
+import java.math.BigDecimal;
+
+public class ApiTest {
+
+    @Test
+    public void test_pay() {
+
+        System.out.println("\r\n模拟测试场景；微信支付、人脸方式。");
+        Pay wxPay = new WxPay(new PayFaceMode());
+        wxPay.transfer("weixin_1092033111", "100000109893", new BigDecimal(100));
+
+        System.out.println("\r\n模拟测试场景；支付宝支付、指纹方式。");
+        Pay zfbPay = new ZfbPay(new PayFingerprintMode());
+        zfbPay.transfer("jlu19dlxo111","100000109894",new BigDecimal(100));
+
+    }
+
+}

pom.xml

@@ -25,6 +25,9 @@
         <module>itstack-demo-design-6-00</module>
         <module>itstack-demo-design-6-01</module>
         <module>itstack-demo-design-6-02</module>
+        <module>itstack-demo-design-7-01</module>
+        <module>itstack-demo-design-02</module>
+        <module>itstack-demo-design-7-02</module>
     </modules>
 
     <dependencies>