增加 spring boot + feign 示例

Author: YunaiV

lab-58/lab-58-user-service/pom.xml

@@ -0,0 +1,40 @@
+<?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>lab-58</artifactId>
+        <groupId>cn.iocoder.springboot.labs</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>lab-58-user-service</artifactId>
+
+    <properties>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <spring.boot.version>2.2.4.RELEASE</spring.boot.version>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-parent</artifactId>
+                <version>${spring.boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <!-- 引入 SpringMVC 相关依赖，并实现对其的自动配置 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

lab-58/lab-58-user-service/src/main/java/cn/iocoder/springboot/lab58/userservice/UserServiceApplication.java

@@ -0,0 +1,17 @@
+package cn.iocoder.springboot.lab58.userservice;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class UserServiceApplication {
+
+    public static void main(String[] args) {
+        // 设置端口
+        System.setProperty("server.port", "18080");
+
+        // 应用启动
+        SpringApplication.run(UserServiceApplication.class, args);
+    }
+
+}

lab-58/lab-58-user-service/src/main/java/cn/iocoder/springboot/lab58/userservice/controller/UserController.java

@@ -0,0 +1,33 @@
+package cn.iocoder.springboot.lab58.userservice.controller;
+
+import cn.iocoder.springboot.lab58.userservice.response.UserResponse;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RestController
+@RequestMapping("/user")
+public class UserController {
+
+    @GetMapping("/get")
+    public UserResponse get(@RequestParam("id") Integer id) {
+        return new UserResponse().setId(id)
+                .setName("昵称：" + id).setGender(id % 2 == 0 ? 1 : 2);
+    }
+
+    @GetMapping("/list")
+    public List<UserResponse> list(@RequestParam("name") String name,
+                                   @RequestParam("gender") Integer gender) {
+        List<UserResponse> users = new ArrayList<>();
+        for (int id = 1; id <= 3; id++) {
+            users.add(new UserResponse().setId(id)
+                .setName(name).setGender(gender));
+        }
+        return users;
+    }
+
+}

lab-58/lab-58-user-service/src/main/java/cn/iocoder/springboot/lab58/userservice/response/UserResponse.java

@@ -0,0 +1,35 @@
+package cn.iocoder.springboot.lab58.userservice.response;
+
+public class UserResponse {
+
+    private Integer id;
+    private String name;
+    private Integer gender;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public UserResponse setId(Integer id) {
+        this.id = id;
+        return this;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public UserResponse setName(String name) {
+        this.name = name;
+        return this;
+    }
+
+    public Integer getGender() {
+        return gender;
+    }
+
+    public UserResponse setGender(Integer gender) {
+        this.gender = gender;
+        return this;
+    }
+}

lab-58/pom.xml

@@ -0,0 +1,19 @@
+<?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>labs-parent</artifactId>
+        <groupId>cn.iocoder.springboot.labs</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>lab-58</artifactId>
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>lab-58-user-service</module>
+    </modules>
+
+</project>

pom.xml

@@ -93,6 +93,7 @@
 <!--        <module>labx-22</module>-->
 <!--        <module>labx-23</module>-->
 <!--        <module>lab-57</module>-->
+        <module>lab-58</module>
     </modules>
 
 </project>