{"id":520,"date":"2019-10-17T18:10:51","date_gmt":"2019-10-17T10:10:51","guid":{"rendered":"http:\/\/blog.sway.com.cn\/?p=520"},"modified":"2020-01-10T14:37:52","modified_gmt":"2020-01-10T06:37:52","slug":"springboot2-1-xspringcloudeureka%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"http:\/\/blog.sway.com.cn\/?p=520","title":{"rendered":"SpringBoot2.1.x+SpringCloud:Eureka\uff08server+client\uff09\u5165\u95e8+\u9ad8\u53ef\u7528\u914d\u7f6e"},"content":{"rendered":"

\"eureka\"<\/a><\/p>\n

\u4e00\u3001Eureka\u670d\u52a1\u5668+Eureka\u670d\u52a1\u63d0\u4f9b\u8005<\/h1>\n

1\u3001\u9996\u5148\u5230https:\/\/start.spring.io\/\u4e2d\u521b\u5efa\u7248\u672c\u4e3a2.1.x\u9879\u76ee\uff0c\u5728\u672c\u5730\u7684IDEA\u5bfc\u5165\u540e\uff0c\u9996\u5148\u5728pom.xml\u4e2d\u589e\u52a0\u4ee5\u4e0b\u4f9d\u8d56\uff08\u5728pom.xml\u7684<dependencies><\/dependencies>\u4e4b\u95f4\uff09\uff1a<\/p>\n

<!--Netflix Eureka\u4f9d\u8d56-->\r\n<dependency>\r\n\t<groupId>org.springframework.cloud<\/groupId>\r\n\t<artifactId>spring-cloud-starter-netflix-eureka-server<\/artifactId>\r\n<\/dependency><\/pre>\n
2\u3001\u7136\u540e\u5728pom.xml\u7684<project><\/project>\u4e4b\u95f4\u589e\u52a0\u4ee5\u4e0b\u5173\u4e8espringcloud\u7684\u7248\u672c\u7ba1\u7406\uff1a<\/p>\n
<dependencyManagement>\r\n\t<dependencies>\r\n\t\t<dependency>\r\n\t\t<groupId>org.springframework.cloud<\/groupId>\r\n\t\t<artifactId>spring-cloud-dependencies<\/artifactId>\r\n\t\t<version>${spring-cloud.version}<\/version>\r\n\t\t<type>pom<\/type>\r\n\t\t<scope>import<\/scope>\r\n\t\t<\/dependency>\r\n\t<\/dependencies>\r\n<\/dependencyManagement><\/pre>\n
3\u3001\u63a5\u7740\u5728\u5728pom.xml\u7684<properties><\/properties>\u4e2d\u589e\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff08\u6ce8\u610f\uff1aGreenwich\u5bf9\u5e94\u7684\u662fspringboot2.1.x\u7248\u672c\uff0c\u5982\u679c\u6362\u6210\u5176\u4ed6\u7684\u4f1a\u62a5\u9519\uff0c\u5c31\u8fd9\u4e2a\u5751\u628a\u6211\u5751\u4e86\u4e00\u4e2a\u4e0b\u5348\uff09\uff1a<\/p>\n
<spring-cloud.version>Greenwich.SR3<\/spring-cloud.version><\/pre>\n
4\u3001\u8fd8\u6709\u5728application.properties\u4e2d\u589e\u52a0\u5982\u4e0b\u914d\u7f6e\uff1a<\/p>\n
1\uff09eureka\u670d\u52a1\u5668\u662f\u8fd9\u6837\u914d\u7f6e\u7684\uff1a<\/p>\n
server.port=8761\r\n\r\nspring.application.name=eureka-server-1\r\n\r\n#\u6ce8\u518c\u7684\u57df\u540d(\u6ce8\u610f:\u53ef\u4ee5\u4f7f\u7528localhost,\u4f46\u5728\u9ad8\u53ef\u7528\u65f6,\u4e0d\u540c\u7684eureka-server\u5fc5\u987b\u8981\u4f7f\u7528\u4e0d\u540c\u7684hostname,\u5426\u5219\u65e0\u6cd5\u76f8\u4e92\u53d1\u73b0)\r\neureka.instance.hostname=eureka-server-1\r\n#\u662f\u5426\u5411\u6ce8\u518c\u4e2d\u5fc3\u6ce8\u518c\u81ea\u5df1(\u975e\u9ad8\u53ef\u7528\u65f6\u4e3afalse,\u9ad8\u53ef\u7528\u65f6\u4e3atrue)\r\neureka.client.registerWithEureka=true\r\n#\u662f\u5426\u4eceeureka\u4e0a\u83b7\u53d6\u4fe1\u606f(\u975e\u9ad8\u53ef\u7528\u65f6\u4e3afalse,\u9ad8\u53ef\u7528\u65f6\u4e3atrue)\r\neureka.client.fetchRegistry=true\r\n#eureka\u901a\u4fe1\u5730\u5740(\u975e\u9ad8\u53ef\u7528\u65f6\u5199\u81ea\u5df1\u7684eureka-server\u5730\u5740,\u9ad8\u53ef\u7528\u65f6\u586b\u9ad8\u53ef\u7528\u7684\u76ee\u6807eureka-server\u5730\u5740)\r\neureka.client.serviceUrl.defaultZone=http\\:\/\/eureka-server-2\\:8762\/eureka\/<\/pre>\n
2\uff09eureka\u670d\u52a1\u63d0\u4f9b\u8005\u662f\u8fd9\u6837\u914d\u7f6e\u7684\uff1a<\/p>\n
server.port=8771\r\n\r\nspring.application.name=client1\r\n\r\neureka.instance.prefer-ip-address=true\r\n#\u591a\u4e2aeureka-server\u65f6\u53ef\u7528\",\"\u53f7\u5206\u9694\r\neureka.client.serviceUrl.defaultZone=http\\:\/\/localhost\\:8761\/eureka\/<\/pre>\n
5\u3001\u6700\u540e\u5728springboot\u7684\u542f\u52a8\u6587\u4ef6xxxApplication.java\u4e2d\u589e\u52a0\u5bf9\u5e94\u7684\u6ce8\u89e3\uff1a<\/p>\n
1\uff09eureka\u670d\u52a1\u5668\u8981\u4f7f\u7528@EnableEurekaServer\u6ce8\u89e3\uff1a<\/p>\n
package com.zero4j.eurekaserver;\r\n\r\nimport org.springframework.boot.SpringApplication;\r\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\r\nimport org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;\r\n\r\n@EnableEurekaServer\r\n@SpringBootApplication\r\npublic class EurekaServerApplication {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tSpringApplication.run(EurekaServerApplication.class, args);\r\n\t}\r\n\r\n}<\/pre>\n
2\uff09eureka\u670d\u52a1\u5668\u8981\u4f7f\u7528@EurekaClient1Application\u6ce8\u89e3\uff1a<\/p>\n
package com.zero4j.eurekaclient1;\r\n\r\nimport org.springframework.boot.SpringApplication;\r\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\r\nimport org.springframework.cloud.client.discovery.EnableDiscoveryClient;\r\n\r\n@SpringBootApplication\r\n@EnableDiscoveryClient   \/\/\u4e5f\u53ef\u4ee5\u7528EnableDiscoveryClient\u4ee3\u66ff\uff0c\u524d\u8005\u517c\u5bb9\u6027\u66f4\u5927\uff0c\u540e\u8005\u4ec5\u80fd\u517c\u5bb9Eureka\r\npublic class EurekaClient1Application {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tSpringApplication.run(EurekaClient1Application.class, args);\r\n\t}\r\n\r\n}<\/pre>\n
 <\/p>\n
\u8bbf\u95eeeureka-server\u5bf9\u5e94\u7684\u7aef\u53e3\uff0c\u5c06\u4f1a\u663e\u793a\u4ee5\u4e0b\u662f\u6700\u7ec8\u7684\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n
\"123\"<\/a><\/p>\n
 <\/p>\n
\u4e8c\u3001Eureka\u670d\u52a1\u6d88\u8d39\u8005\u7684\u76f8\u5173\u914d\u7f6e<\/h1>\n
1\u3001\u9996\u5148\u5230https:\/\/start.spring.io\/\u4e2d\u521b\u5efa\u7248\u672c\u4e3a2.1.x\u9879\u76ee\uff0c\u5728\u672c\u5730\u7684IDEA\u5bfc\u5165\u540e\uff0c\u9996\u5148\u5728pom.xml\u4e2d\u589e\u52a0\u4ee5\u4e0b\u4f9d\u8d56\uff08\u5728pom.xml\u7684<dependencies><\/dependencies>\u4e4b\u95f4\uff09\uff1a<\/p>\n
<!--Netflix Eureka\u4f9d\u8d56-->\r\n<dependency>\r\n\t<groupId>org.springframework.cloud<\/groupId>\r\n\t<artifactId>spring-cloud-starter-netflix-eureka-client<\/artifactId>\r\n<\/dependency>\r\n<dependency>\r\n\t<groupId>org.springframework.boot<\/groupId>\r\n\t<artifactId>spring-boot-starter-web<\/artifactId>\r\n<\/dependency>\r\n<dependency>\r\n\t<groupId>org.springframework.cloud<\/groupId>\r\n\t<artifactId>spring-cloud-starter-netflix-ribbon<\/artifactId>\r\n<\/dependency><\/pre>\n
2\u3001\u7136\u540e\u5728pom.xml\u7684<project><\/project>\u4e4b\u95f4\u589e\u52a0\u4ee5\u4e0b\u5173\u4e8espringcloud\u7684\u7248\u672c\u7ba1\u7406\uff1a<\/p>\n
<dependencyManagement>\r\n\t<dependencies>\r\n\t\t<dependency>\r\n\t\t<groupId>org.springframework.cloud<\/groupId>\r\n\t\t<artifactId>spring-cloud-dependencies<\/artifactId>\r\n\t\t<version>${spring-cloud.version}<\/version>\r\n\t\t<type>pom<\/type>\r\n\t\t<scope>import<\/scope>\r\n\t\t<\/dependency>\r\n\t<\/dependencies>\r\n<\/dependencyManagement><\/pre>\n
3\u3001\u63a5\u7740\u5728\u5728pom.xml\u7684<properties><\/properties>\u4e2d\u589e\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff08\u6ce8\u610f\uff1aGreenwich\u5bf9\u5e94\u7684\u662fspringboot2.1.x\u7248\u672c\uff0c\u5982\u679c\u6362\u6210\u5176\u4ed6\u7684\u4f1a\u62a5\u9519\uff0c\u5c31\u8fd9\u4e2a\u5751\u628a\u6211\u5751\u4e86\u4e00\u4e2a\u4e0b\u5348\uff09\uff1a<\/p>\n
<spring-cloud.version>Greenwich.SR3<\/spring-cloud.version><\/pre>\n
4\u3001\u8fd8\u6709\u5728application.properties\u4e2d\u589e\u52a0\u5982\u4e0b\u914d\u7f6e\uff1a<\/p>\n
#\u6d88\u8d39\u8005\u7aef\u53e3\r\nserver.port=8081\r\nspring.application.name=eureka-consumer-1\r\neureka.instance.hostname=localhost\r\neureka.client.service-url.defaultZone=http\\:\/\/localhost\\:8761\/eureka\/,http\\:\/\/localhost\\:8762\/eureka\/<\/pre>\n
5\u3001\u521b\u5efaRestTemplate\u6a21\u677f\u914d\u7f6e<\/p>\n
package com.zero4j.config;\r\n\r\nimport org.springframework.cloud.client.loadbalancer.LoadBalanced;\r\nimport org.springframework.context.annotation.Bean;\r\nimport org.springframework.context.annotation.Configuration;\r\nimport org.springframework.web.client.RestTemplate;\r\n\r\n@Configuration\r\npublic class RestTemplateConfig {\r\n\t\r\n\t\/**\r\n     * RestTemplate\uff1a\u63d0\u4f9b\u4e86\u591a\u79cd\u4fbf\u6377\u8bbf\u95ee\u8fdc\u7a0bHttp\u670d\u52a1\u7684\u65b9\u6cd5\r\n     * \u662f\u4e00\u79cd\u7b80\u5355\u4fbf\u6377\u8bbf\u95eeRestful\u670d\u52a1\u6a21\u677f\u7c7b\uff0c\u63d0\u4f9b\u7528\u4e8e\u8bbf\u95eeRest\u670d\u52a1\u7684\u5ba2\u6237\u7aef\u6a21\u677f\u7c7b\r\n     *\/\r\n    @Bean\r\n    @LoadBalanced\r\n    public RestTemplate restTemplate(){\r\n        return new RestTemplate();\r\n    }\r\n    \r\n}\r\n<\/pre>\n
6\u3001\u6d88\u8d39\u8005\u8c03\u7528eureka\u670d\u52a1\u793a\u4f8b<\/p>\n
package com.zero4j.controller;\r\n\r\nimport java.util.Random;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.web.bind.annotation.GetMapping;\r\nimport org.springframework.web.bind.annotation.RequestMapping;\r\nimport org.springframework.web.bind.annotation.RestController;\r\nimport org.springframework.web.client.RestTemplate;\r\n\r\n@RestController\r\n@RequestMapping(\"\/\")\r\npublic class TestControllerProvider {\r\n\t\r\n\t@Autowired\r\n    private RestTemplate restTemplate;\r\n\r\n\t@GetMapping(\"\/test\")\r\n    public String test() {\r\n\t\t\r\n\t\t\/\/\u901a\u8fc7\u670d\u52a1\u63d0\u4f9b\u8005\u540d\u79f0\u8c03\u7528\r\n\t\t\/\/List<Dept> depts = restTemplate.getForObject(\"http:\/\/wzx-spring-cloud-provider\/dept\/findAll\", List.class);\r\n\t\t\/\/return depts;\r\n\t\t\r\n\t\tString test = restTemplate.getForObject(\"http:\/\/eureka-client-1\/test\", String.class);\r\n\t\t\r\n\t\treturn test;\r\n    }\r\n\t\r\n}\r\n<\/pre>\n
7\u3001\u670d\u52a1\u63d0\u4f9b\u8005\u7684java\u793a\u4f8b<\/p>\n
package com.zero4j.controller;\r\n\r\nimport java.util.Random;\r\n\r\nimport org.springframework.web.bind.annotation.GetMapping;\r\nimport org.springframework.web.bind.annotation.RequestMapping;\r\nimport org.springframework.web.bind.annotation.RestController;\r\n\r\n@RestController\r\n@RequestMapping(\"\/\")\r\npublic class TestControllerProvider {\r\n\r\n\t@GetMapping(\"\/test\")\r\n    public String test() {\r\n        return \"\u670d\u52a1\u63d0\u4f9b\u80051:\"+String.valueOf((new Random()).nextInt());\r\n    }\r\n\t\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001Eureka\u670d\u52a1\u5668+Eureka\u670d\u52a1\u63d0\u4f9b\u8005 1\u3001\u9996\u5148\u5230https:\/\/start.spring.io\/\u4e2d\u521b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[167],"tags":[179,168,178],"class_list":["post-520","post","type-post","status-publish","format-standard","hentry","category-springboot","tag-eureka","tag-springboot","tag-springcloud"],"_links":{"self":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=520"}],"version-history":[{"count":13,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/520\/revisions"}],"predecessor-version":[{"id":606,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/520\/revisions\/606"}],"wp:attachment":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=520"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}