pom

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    <!--        cloud-->
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-openfeign</artifactId>
        <version>2.1.4.RELEASE</version>
    </dependency>

    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
        <version>2.0.1.RELEASE</version>
    </dependency>
</dependencies>

<!-- cloud 依赖-->
<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-dependencies</artifactId>
            <version>Hoxton.SR1</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

pom

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eureka:
  instance:
    hostname: localhost
    preferIpAddress: true
  client:
    #   服务器端不注册eureka(默认true)
#    registerWithEureka: true
    #   服务器端不需要抓取服务列表(默认true)
#    fetchRegistry: false
    #   注册url(配置之后报错Reached through: #include "navbar.ftl"  [in template "eureka/status.ftl" at line 22, column 7])
    serviceUrl:
      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
      enabled: true #需要手动开启

当主页404加上

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spring:
  freemarker:
    preferFileSystemAccess: false

Application

启动类加上注释

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@EnableEurekaServer
@EnableFeignClients
@EnableEurekaClient

FeignClient

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@FeignClient(name="sc")
public interface ScappFeignClient {
    @RequestMapping(value = "/sciUserInfo/queryOneById", method = RequestMethod.GET)
    String findById(@RequestParam(value = "suiId", required = false) Long suiId);
}