springcloud项目nacos搭建和示例

一时失言乱红尘 2024-03-27 14:31 47阅读 0赞

### springcloud项目nacos搭建和示例 ###

**记得先启动nacos，不会的可以看看其他博客是怎么安装和启动的，反正简简单单的事情**

**项目结构**  
![在这里插入图片描述][1868ebbd8efc4b828d5507b36277f818.png_pic_center]

### consumer-user 项目 ###

pom.xml

<dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
            
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
                <version>2.2.6.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
                <version>2.2.6.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>RELEASE</version>
                <scope>compile</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-openfeign-core</artifactId>
                <version>3.1.3</version>
                <scope>compile</scope>
            </dependency>

bootstrap.yml

server:
      port: 8866
    spring:
      application:
        # 应用名称
        name: consumer-user
      profiles:
        # 环境配置
        active: dev
      cloud:
        nacos:
          discovery:
            # 服务注册地址
            server-addr: 127.0.0.1:8848
          config:
            # 配置中心地址
            server-addr: 127.0.0.1:8848
            # 配置文件格式
            file-extension: yaml
            # 共享配置
            shared-configs:
              - ${
        spring.application.name}-${
        spring.profiles.active}.${
        spring.cloud.nacos.config.file-extension}

User.java

@Data
    @AllArgsConstructor
    @NoArgsConstructor
    public class User {
        
        private String name;
        private Integer age;
        private String sex;
    }

UserController.java

import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    @RestController
    @RequestMapping("/user")
    public class UserController  {
        
     	@Value("${server.port}")
        private int port;
        @GetMapping("getUser")
        public User getUser(){
         
            System.out.println(port);
            return new User("张三",18,"男");
        } 
    }

UserApplication 启动类

@SpringBootApplication
    @EnableFeignClients
    public class UserApplication {
         
        public static void main(String[] args) {
        
            SpringApplication.run(UserApplication.class, args);
        } 
    }

启动项目在服务列表里可以看到以下结果  
  
  
![在这里插入图片描述][14058ca0324744cf9891c2bb89c7ffed.png_pic_center]

### consumer-order 项目 ###

pom.xml

<dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
    
            
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
                <version>2.2.6.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
                <version>2.2.6.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-openfeign</artifactId>
                <version>2.2.5.RELEASE</version>
            </dependency>
    
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>RELEASE</version>
                <scope>compile</scope>
            </dependency>

bootstrap.yml

server:
      port: 8877
    spring:
      application:
        # 应用名称
        name: consumer-order
      profiles:
        # 环境配置
        active: dev
      cloud:
        nacos:
          discovery:
            # 服务注册地址
            server-addr: 127.0.0.1:8848
          config:
            # 配置中心地址
            server-addr: 127.0.0.1:8848
            # 配置文件格式
            file-extension: yaml
            # 共享配置
            shared-configs:
              - ${
        spring.application.name}-${
        spring.profiles.active}.${
        spring.cloud.nacos.config.file-extension}

UsOrder r.java

@Data
    @AllArgsConstructor
    @NoArgsConstructor
    public class Order {
        
        private String id;
        private Integer total;
        private String price;
        private User user; 
    }

User.java

@Data
    @AllArgsConstructor
    @NoArgsConstructor
    public class User {
         
        private String name; 
        private Integer age; 
        private String sex; 
    }

OrderController.java

@RestController
    @RequestMapping("order")
    public class OrderController {
         
        @Autowired
        private TUserClient userClient; 
        @GetMapping("getOrder")
        public Order getOrder(){
        
            User user = userClient.getUser();
            Order order = new Order("123852456",5,"36",user);
            return order;
        } 
    }

TUserClient.java

@FeignClient(name = "consumer-user") // consumer-user项目里面的bootstrap.yml应用名称
    public interface TUserClient {
         
        @GetMapping("user/getUser") // 这里调用consumer-user里面的 user/getUser 路径
         User getUser(); 
    }

**启动类**

扫描包 注意有改成自己的TUserClient 的包

@SpringBootApplication
    @EnableFeignClients(basePackages = "com.xxx.order.client") //扫描包 注意有改成自己的TUserClient 的包
    public class OrderApplication {
         
        public static void main(String[] args) {
        
            SpringApplication.run(OrderApplication.class, args);
        } 
    }

启动项目在服务列表里可以看到以下结果  
  
![在这里插入图片描述][08a507dda81544ef95abe760afc69b61.png_pic_center]  
**调用 http://127.0.0.1:8877/order/getOrder**  
  
  
![在这里插入图片描述][53cd0be4bb4c4344a805851289a029fa.png_pic_center]

[1868ebbd8efc4b828d5507b36277f818.png_pic_center]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/27/2c8f0be28ab44943a582f244d411c618.png
[14058ca0324744cf9891c2bb89c7ffed.png_pic_center]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/27/13de49fb126846ab9ff7687326b9702a.png
[08a507dda81544ef95abe760afc69b61.png_pic_center]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/27/ff31fe0ec79e4dc092da77481cfba5cd.png
[53cd0be4bb4c4344a805851289a029fa.png_pic_center]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/27/1c2288ef7c604a0f9d1b8cb94ae5c581.png