使用Consul服务注册和发现
2.1服务注册
2.1.1引入依赖
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-consul-discovery</artifactId>
</dependency>
2.1.2编写配置文件
server:
port: 80
spring:
application:
name: cloud-consumer-service
cloud:
consul:
host: localhost
port: 8500
discovery:
service-name: ${spring.application.name}
2.1.3 启动类增加注解
@SpringBootApplication
@EnableDiscoveryClient // 服务注册
@RefreshScope
public class Main8001 {
public static void main(String[] args) {
SpringApplication.run(Main8001.class,args);
}
}
2.1.4启动服务,查看服务是否正常
2.2服务使用
2.2.1引入依赖
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-consul-discovery</artifactId>
</dependency>
2.2.2 调用服务
我们这里基于RestTemplate
来调用服务
private static final String PRE_SERVER = "http://cloud-payment-service";
完整Controller
@RestController
@RequestMapping("/consumer/pay")
@Tag(name = "订单模块", description = "订单相关接口")
public class ConsumerController {
@Resource
private RestTemplate restTemplate;
private static final String PRE_SERVER = "http://cloud-payment-service";
@Operation(summary = "新增支付订单信息")
@PostMapping
public ResponseResult saveOrder(@RequestBody PayDTO payDTO){
return restTemplate.postForObject(PRE_SERVER+"/pay",payDTO,ResponseResult.class);
}
@GetMapping("/{id}")
@Operation(summary = "根据ID查询订单信息")
public ResponseResult getOrderById(@PathVariable Integer id){
return restTemplate.getForObject(PRE_SERVER + "/pay/" + id, ResponseResult.class, id);
}
@DeleteMapping("/{id}")
@Operation(summary = "删除订单信息")
public ResponseResult deleteOrderById(@PathVariable Integer id){
restTemplate.delete(PRE_SERVER+"/pay/" +id);
return ResponseResult.success();
}
@PutMapping
@Operation(summary = "更新订单信息")
public ResponseResult updateOrderById(@RequestBody PayDTO payDTO){
restTemplate.put(PRE_SERVER + "/pay", payDTO);
return ResponseResult.success();
}
}
2.2.3 增加配置文件
@Configuration
public class RestConfig {
@Bean
@LoadBalanced // 负载均衡一定要添加
public RestTemplate restTemplate(){
return new RestTemplate();
}
}