小傅哥 | 重学 Java 设计模式：实战外观模式「基于SpringBoot开发门面模式中间件，统一控制接口白名单场景」

itstack-demo-design-10-00/pom.xml

@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="https://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+ <modelVersion>4.0.0</modelVersion>
+
+ <artifactId>itstack-demo-design-10-00</artifactId>
+
+ <packaging>war</packaging>
+
+ <parent>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-parent</artifactId>
+ <version>2.1.2.RELEASE</version>
+ <relativePath/> <!-- lookup parent from repository -->
+ </parent>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+ <java.version>1.8</java.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-web</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-thymeleaf</artifactId>
+ </dependency>
+ <!-- test -->
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-starter-test</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <!-- 添加servlet依赖模块 -->
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>javax.servlet-api</artifactId>
+ <scope>provided</scope>
+ <version>4.0.0</version>
+ </dependency>
+ <!-- 添加jstl标签库依赖模块 -->
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>jstl</artifactId>
+ <version>1.2</version>
+ </dependency>
+ <!-- fastjson -->
+ <dependency>
+ <groupId>com.alibaba</groupId>
+ <artifactId>fastjson</artifactId>
+ <version>1.2.58</version>
+ </dependency>
+ <dependency>
+ <groupId>dom4j</groupId>
+ <artifactId>dom4j</artifactId>
+ <version>1.6.1</version>
+ </dependency>
+ <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
+ <dependency>
+ <groupId>org.apache.commons</groupId>
+ <artifactId>commons-lang3</artifactId>
+ <version>3.8</version>
+ </dependency>
+ <!-- https://mvnrepository.com/artifact/com.thoughtworks.xstream/xstream -->
+ <dependency>
+ <groupId>com.thoughtworks.xstream</groupId>
+ <artifactId>xstream</artifactId>
+ <version>1.4.10</version>
+ </dependency>
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>itstack-demo-design-10-02</artifactId>
+ <version>2.1.2.RELEASE</version>
+ </dependency>
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>spring-boot-maven-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.2</version>
+ <configuration>
+ <source>1.8</source>
+ <target>1.8</target>
+ <encoding>UTF-8</encoding>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-jar-plugin</artifactId>
+ <version>3.2.0</version>
+ <configuration>
+ <archive>
+ <addMavenDescriptor>false</addMavenDescriptor>
+ <index>true</index>
+ <manifest>
+ <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+ <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+ </manifest>
+ <manifestEntries>
+ <Implementation-Build>${maven.build.timestamp}</Implementation-Build>
+ </manifestEntries>
+ </archive>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>

itstack-demo-design-10-00/src/main/java/org/itstack/demo/design/HelloWorldApplication.java

@@ -0,0 +1,21 @@
+package org.itstack.demo.design;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportResource;
+
+/**
+ * 微信公众号：bugstack虫洞栈 | 沉淀、分享、成长，专注于原创专题案例
+ * 论坛：https://bugstack.cn
+ * Create by 小傅哥 on @2020
+ */
+@SpringBootApplication
+@Configuration
+public class HelloWorldApplication {
+
+ public static void main(String[] args) {
+ SpringApplication.run(HelloWorldApplication.class, args);
+ }
+
+}

itstack-demo-design-10-00/src/main/java/org/itstack/demo/design/domain/UserInfo.java

@@ -0,0 +1,74 @@
+package org.itstack.demo.design.domain;
+
+/**
+ * 公众号：bugstack虫洞栈 | 沉淀、分享、成长，让自己和他人都能有所收获！
+ * 博 客：https://bugstack.cn
+ * Create by 小傅哥 on @2020
+ */
+public class UserInfo {
+
+ //code、info可以统一定义一个类
+ private String code;
+ private String info;
+
+ private String name;
+ private Integer age;
+ private String address;
+
+ public UserInfo() {
+
+ }
+
+ public UserInfo(String code, String info) {
+ this.code = code;
+ this.info = info;
+ }
+
+ public UserInfo(String name, Integer age, String address) {
+ this.code = "0000";
+ this.info = "success";
+ this.name = name;
+ this.age = age;
+ this.address = address;
+ }
+
+ public String getCode() {
+ return code;
+ }
+
+ public void setCode(String code) {
+ this.code = code;
+ }
+
+ public String getInfo() {
+ return info;
+ }
+
+ public void setInfo(String info) {
+ this.info = info;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+
+ public String getAddress() {
+ return address;
+ }
+
+ public void setAddress(String address) {
+ this.address = address;
+ }
+}

itstack-demo-design-10-00/src/main/java/org/itstack/demo/design/web/HelloWorldController.java

@@ -0,0 +1,36 @@
+package org.itstack.demo.design.web;
+
+import org.itstack.demo.design.domain.UserInfo;
+import org.itstack.demo.design.door.annotation.DoDoor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 公众号：bugstack虫洞栈 | 沉淀、分享、成长，让自己和他人都能有所收获！
+ * 博 客：https://bugstack.cn
+ * Create by 小傅哥 on @2020
+ */
+@RestController
+public class HelloWorldController {
+
+ @Value("${server.port}")
+ private int port;
+
+ /**
+ * @DoDoor 自定义注解
+ * key：需要从入参取值的属性字段，如果是对象则从对象中取值，如果是单个值则直接使用
+ * returnJson：预设拦截时返回值，是返回对象的Json
+ *
+ * https://localhost:8080/api/queryUserInfo?userId=1001
+ * https://localhost:8080/api/queryUserInfo?userId=小团团
+ */
+ @DoDoor(key = "userId", returnJson = "{\"code\":\"1111\",\"info\":\"非白名单可访问用户拦截！\"}")
+ @RequestMapping(path = "/api/queryUserInfo", method = RequestMethod.GET)
+ public UserInfo queryUserInfo(@RequestParam String userId) {
+ return new UserInfo("虫虫:" + userId, 19, "天津市南开区旮旯胡同100号");
+ }
+
+}

itstack-demo-design-10-00/src/main/resources/application.yml

@@ -0,0 +1,12 @@
+server:
+ port: 8080
+
+spring:
+ application:
+ name: itstack-demo-springboot-helloworld-door
+
+# 自定义中间件配置
+itstack:
+ door:
+ enabled: true
+ userStr: 1001,aaaa,ccc #白名单用户ID，多个逗号隔开

itstack-demo-design-10-00/src/test/java/org/itstack/demo/design/test/ApiTest.java

@@ -0,0 +1,4 @@
+package org.itstack.demo.design.test;
+
+public class ApiTest {
+}

itstack-demo-design-10-01/pom.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="https://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://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-10-01</artifactId>
+ <dependencies>
+ <dependency>
+ <groupId>org.springframework.boot</groupId>
+ <artifactId>itstack-demo-design-10-00</artifactId>
+ <version>2.1.2.RELEASE</version>
+ <scope>compile</scope>
+ </dependency>
+ </dependencies>
+
+
+</project>

itstack-demo-design-10-01/src/main/java/org/itstack/demo/design/HelloWorldController.java

@@ -0,0 +1,25 @@
+package org.itstack.demo.design;
+
+import org.itstack.demo.design.domain.UserInfo;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class HelloWorldController {
+
+ public UserInfo queryUserInfo(@RequestParam String userId) {
+
+ // 做白名单拦截
+ List<String> userList = new ArrayList<String>();
+ userList.add("1001");
+ userList.add("aaaa");
+ userList.add("ccc");
+ if (!userList.contains(userId)) {
+ return new UserInfo("1111", "非白名单可访问用户拦截！");
+ }
+
+ return new UserInfo("虫虫:" + userId, 19, "天津市南开区旮旯胡同100号");
+ }
+
+}