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」

Truerui · Jun 11, 2020 · 5879bbb · 5879bbb
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diff --git a/itstack-demo-design-10-00/pom.xml b/itstack-demo-design-10-00/pom.xml
@@ -0,0 +1,121 @@
+<?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">
+
+    <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>
diff --git a/itstack-demo-design-10-00/src/main/java/org/itstack/demo/design/HelloWorldApplication.java b/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：http://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);
+    }
+
+}
diff --git a/itstack-demo-design-10-00/src/main/java/org/itstack/demo/design/domain/UserInfo.java b/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：http://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;
+    }
+}
diff --git a/...ack-demo-design-10-00/src/main/java/org/itstack/demo/design/web/HelloWorldController.java b/...ack-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：http://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
+     *
+     * http://localhost:8080/api/queryUserInfo?userId=1001
+     * http://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");
+    }
+
+}
diff --git a/itstack-demo-design-10-00/src/main/resources/application.yml b/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
diff --git a/itstack-demo-design-10-00/src/test/java/org/itstack/demo/design/test/ApiTest.java b/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 {
+}
diff --git a/itstack-demo-design-10-01/pom.xml b/itstack-demo-design-10-01/pom.xml
@@ -0,0 +1,23 @@
+<?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-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>
diff --git a/itstack-demo-design-10-01/src/main/java/org/itstack/demo/design/HelloWorldController.java b/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");
+    }
+
+}