提供端：
api:
@FeignClient(value = "${template.feign.client.value}", configuration = SourceTemplateConfiguration.class)
public interface SourceTemplateFeignClient {
@RequestMapping(value = "/template/manager/detail/1.0", method = RequestMethod.POST)
Result<SourceTemplateDetailDTO> detailTemplate(@RequestBody SourceTemplateDetailParam param);
}
configuration:
@Configuration
public class SourceTemplateConfiguration {
@Value("${service.feign.connectTimeout:10000}")
private int connectTimeout;
@Value("${service.feign.readTimeOut:60000}")
private int readTimeout;
@Bean
public Request.Options options() {
return new Request.Options(connectTimeout, readTimeout);
}
}
啟動類：
加注解@EnableDiscoveryClient
pom：
<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-javanica</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-feign</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
<version>1.3.0.RELEASE</version>
</dependency>
配置項：
ribbon:
ReadTimeout: 60000
ConnectTimeout: 60000
rpc接口（消費端）
@Autowired
private SourceTemplateFeignClient sourceTemplate;
@HystrixCommand(commandKey = "detail", commandProperties = { @HystrixProperty(name = "requestCache.enabled", value = "true"),
@HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "10000") })
public Result<SourceTemplateDetailDTO> detail(SourceTemplateDetailParam param) {
return sourceTemplate.detailTemplate(param);
}
啟動類：
@EnableDiscoveryClient
@EnableEurekaClient
@EnableFeignClients(basePackages = { "xxx" }) // 使用feignclient封裝接口
@ComponentScan(basePackages = { "xxx", "xxx", "xxx" })
配置項：
eureka.client.serviceUrl.defaultZone=http\://url\:8180/eureka/
hystrix.command.default.execution.isolation.thread.timeoutInMilliseconds= 30000
eureka.instance.hostname=xxxx
template.feign.client.value=xxx
pom：
<dependency>
<groupId>com.netflix.archaius</groupId>
<artifactId>archaius-core</artifactId>
<version>0.7.4</version>
</dependency>
<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-javanica</artifactId>
<version>1.5.2</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-commons</artifactId>
<version>1.2.0.RELEASE</version>
</dependency>
如果遇到無法加載bean類，檢查spring-boot-dependencies版本和spring-cloud是否比對