\u670d\u52a1\u7194\u65ad<\/h2>\n\u670d\u52a1\u7194\u65ad\u662f\u4ec0\u4e48<\/h3>\n
\u7194\u65ad\u673a\u5236\u662f\u5e94\u5bf9\u96ea\u5d29\u6548\u5e94\u7684\u4e00\u79cd\u5fae\u670d\u52a1\u94fe\u8def\u4fdd\u62a4\u673a\u5236\u3002
\n\u5f53\u6247\u51fa\u94fe\u8def\u7684\u67d0\u4e2a\u5fae\u670d\u52a1\u4e0d\u53ef\u7528\u6216\u8005\u54cd\u5e94\u65f6\u95f4\u592a\u957f\u65f6\uff0c\u4f1a\u8fdb\u884c\u670d\u52a1\u7684\u964d\u7ea7\uff0c\u8fdb\u800c\u7194\u65ad\u8be5\u8282\u70b9\u5fae\u670d\u52a1\u7684\u8c03\u7528\uff0c\u5feb\u901f\u8fd4\u56de"\u9519\u8bef"\u7684\u54cd\u5e94\u4fe1\u606f\u3002\u5f53\u68c0\u6d4b\u5230\u8be5\u8282\u70b9\u5fae\u670d\u52a1\u8c03\u7528\u54cd\u5e94\u6b63\u5e38\u540e\u6062\u590d\u8c03\u7528\u94fe\u8def\u3002\u5728SpringCloud\u6846\u67b6\u91cc\u7194\u65ad\u673a\u5236\u901a\u8fc7Hystrix\u5b9e\u73b0\u3002Hystrix\u4f1a\u76d1\u63a7\u5fae\u670d\u52a1\u95f4\u8c03\u7528\u7684\u72b6\u51b5\uff0c\u5f53\u5931\u8d25\u7684\u8c03\u7528\u5230\u4e00\u5b9a\u9608\u503c\uff0c\u7f3a\u7701\u662f5\u79d2\u518520\u6b21\u8c03\u7528\u5931\u8d25\u5c31\u4f1a\u542f\u52a8\u7194\u65ad\u673a\u5236\u3002\u7194\u65ad\u673a\u5236\u7684\u6ce8\u89e3\u662f@HystrixCommand\u3002<\/p>\n
\u65b0\u5efamicroservicecloud-provider-dept-hystrix-8001<\/h3>\n
\u53c2\u8003microservicecloud-provider-dept-8001<\/p>\n
\u4fee\u6539\u5185\u5bb9POM<\/h3>\n<!-- hystrix -->\n<dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-hystrix<\/artifactId>\n<\/dependency><\/code><\/pre>\nYML<\/h3>\ninstance-id: microservicecloud-dept8001-hystrix #\u81ea\u5b9a\u4e49\u670d\u52a1\u540d\u79f0\u4fe1\u606f<\/code><\/pre>\n\u4fee\u6539DeptController<\/h3>\n@RestController\npublic class DeptController\n{\n @Autowired\n private DeptService service = null;\n\n @RequestMapping(value="\/dept\/get\/{id}",method=RequestMethod.GET)\n @HystrixCommand(fallbackMethod = "processHystrix_Get")\n public Dept get(@PathVariable("id") Long id)\n {\n Dept dept = this.service.get(id);\n if(null == dept)\n {\n throw new RuntimeException("\u8be5ID\uff1a"+id+"\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f");\n }\n return dept;\n }\n\n public Dept processHystrix_Get(@PathVariable("id") Long id)\n {\n return new Dept().setDeptno(id)\n .setDname("\u8be5ID\uff1a"+id+"\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f,null--@HystrixCommand")\n .setDb_source("no this database in MySQL");\n }\n}<\/code><\/pre>\n@HystrixCommand\u62a5\u5f02\u5e38\u540e\u5982\u4f55\u5904\u7406<\/p>\n
\u4e00\u65e6\u8c03\u7528\u670d\u52a1\u65b9\u6cd5\u5931\u8d25\u5e76\u629b\u51fa\u4e86\u9519\u8bef\u4fe1\u606f\u540e\uff0c\u4f1a\u81ea\u52a8\u8c03\u7528@HystrixCommand\u6807\u6ce8\u597d\u7684fallbackMethod\u8c03\u7528\u7c7b\u4e2d\u7684\u6307\u5b9a\u65b9\u6cd5<\/p>\n
\u4fee\u6539\u4e3b\u542f\u52a8\u7c7bDeptProvider8001_Hystrix_App\u5e76\u6dfb\u52a0\u65b0\u6ce8\u89e3@EnableCircuitBreaker<\/h3>\n\u6d4b\u8bd5<\/h3>\n
3\u4e2aeureka\u5148\u542f\u52a8<\/p>\n
\u4e3b\u542f\u52a8\u7c7bDeptProvider8001_Hystrix_App<\/p>\n
Consumer\u542f\u52a8microservicecloud-consumer-dept-80<\/p>\n
http:\/\/localhost\/consumer\/dept\/get\/112<\/a><\/p>\n\u54cd\u5e94\u7ed3\u679c<\/p>\n
{"deptno":111,"dname":"\u8be5ID\uff1a111\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f,null--@HystrixCommand","db_source":"no this database in MySQL"}<\/code><\/pre>\n\u670d\u52a1\u964d\u7ea7<\/h2>\n\u662f\u4ec0\u4e48<\/h3>\n
\u6574\u4f53\u8d44\u6e90\u5feb\u4e0d\u591f\u4e86\uff0c\u5fcd\u75db\u5c06\u67d0\u4e9b\u670d\u52a1\u5148\u5173\u6389\uff0c\u5f85\u6e21\u8fc7\u96be\u5173\uff0c\u518d\u5f00\u542f\u56de\u6765\u3002<\/p>\n
\u670d\u52a1\u964d\u7ea7\u5904\u7406\u662f\u5728\u5ba2\u6237\u7aef\u5b9e\u73b0\u5b8c\u6210\u7684\uff0c\u4e0e\u670d\u52a1\u7aef\u6ca1\u6709\u5173\u7cfb<\/p>\n
\u4fee\u6539microservicecloud-api\u5de5\u7a0b\uff0c
\n\u6839\u636e\u5df2\u7ecf\u6709\u7684DeptClientService\u63a5\u53e3\u65b0\u5efa\u4e00\u4e2a\u5b9e\u73b0\u4e86
\nFallbackFactory\u63a5\u53e3\u7684\u7c7bDeptClientServiceFallbackFactory<\/p>\n
@Component\/\/\u4e0d\u8981\u5fd8\u8bb0\u6dfb\u52a0\uff0c\u4e0d\u8981\u5fd8\u8bb0\u6dfb\u52a0\npublic class DeptClientServiceFallbackFactory implements FallbackFactory<DeptClientService>\n{\n @Override\n public DeptClientService create(Throwable throwable)\n {\n return new DeptClientService() {\n @Override\n public Dept get(long id)\n {\n return new Dept().setDeptno(id)\n .setDname("\u8be5ID\uff1a"+id+"\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f,Consumer\u5ba2\u6237\u7aef\u63d0\u4f9b\u7684\u964d\u7ea7\u4fe1\u606f,\u6b64\u523b\u670d\u52a1Provider\u5df2\u7ecf\u5173\u95ed")\n .setDb_source("no this database in MySQL");\n }\n\n @Override\n public List<Dept> list()\n {\n return null;\n }\n\n @Override\n public boolean add(Dept dept)\n {\n return false;\n }\n };\n }\n}<\/code><\/pre>\n\u4fee\u6539microservicecloud-api\u5de5\u7a0b\uff0cDeptClientService\u63a5\u53e3\u5728\u6ce8\u89e3@FeignClient\u4e2d\u6dfb\u52a0fallbackFactory\u5c5e\u6027\u503c<\/p>\n
@FeignClient(value = "MICROSERVICECLOUD-DEPT",fallbackFactory=DeptClientServiceFallbackFactory.class)<\/code><\/pre>\nmicroservicecloud-api\u5de5\u7a0b<\/p>\n
mvn clean install<\/p>\n
microservicecloud-consumer-dept-feign\u5de5\u7a0b\u4fee\u6539YML<\/p>\n
feign:\n hystrix:\n enabled: true\n<\/code><\/pre>\n\u6d4b\u8bd5<\/p>\n
3\u4e2aeureka\u5148\u542f\u52a8<\/p>\n
\u5fae\u670d\u52a1microservicecloud-provider-dept-8001\u542f\u52a8<\/p>\n
microservicecloud-consumer-dept-feign\u542f\u52a8<\/p>\n
\u6b63\u5e38\u8bbf\u95ee\u6d4b\u8bd5:http:\/\/localhost\/consumer\/dept\/get\/1<\/a><\/p>\n\u6545\u610f\u5173\u95ed\u5fae\u670d\u52a1microservicecloud-provider-dept-8001<\/p>\n
\u5ba2\u6237\u7aef\u81ea\u5df1\u8c03\u7528\u63d0\u793a<\/p>\n
http:\/\/localhost\/consumer\/dept\/get\/1<\/a><\/p>\n{"deptno":1,"dname":"\u8be5ID\uff1a1\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f,Consumer\u5ba2\u6237\u7aef\u63d0\u4f9b\u7684\u964d\u7ea7\u4fe1\u606f,\u6b64\u523b\u670d\u52a1Provider\u5df2\u7ecf\u5173\u95ed","db_source":"no this database in MySQL"}<\/code><\/pre>\n\u6b64\u65f6\u670d\u52a1\u7aefprovider\u5df2\u7ecfdown\u4e86\uff0c\u4f46\u662f\u6211\u4eec\u505a\u4e86\u670d\u52a1\u964d\u7ea7\u5904\u7406\uff0c\u8ba9\u5ba2\u6237\u7aef\u5728\u670d\u52a1\u7aef\u4e0d\u53ef\u7528\u65f6\u4e5f\u4f1a\u83b7\u5f97\u63d0\u793a\u4fe1\u606f\u800c\u4e0d\u4f1a\u6302\u8d77\u8017\u6b7b\u670d\u52a1\u5668<\/p>\n
\u670d\u52a1\u76d1\u63a7hystrixDashboard<\/h2>\n\u6982\u5ff5<\/h3>\n
\u9664\u4e86\u9694\u79bb\u4f9d\u8d56\u670d\u52a1\u7684\u8c03\u7528\u4ee5\u5916\uff0cHystrix\u8fd8\u63d0\u4f9b\u4e86\u51c6\u5b9e\u65f6\u7684\u8c03\u7528\u76d1\u63a7\uff08Hystrix Dashboard\uff09\uff0cHystrix\u4f1a\u6301\u7eed\u5730\u8bb0\u5f55\u6240\u6709\u901a\u8fc7Hystrix\u53d1\u8d77\u7684\u8bf7\u6c42\u7684\u6267\u884c\u4fe1\u606f\uff0c\u5e76\u4ee5\u7edf\u8ba1\u62a5\u8868\u548c\u56fe\u5f62\u7684\u5f62\u5f0f\u5c55\u793a\u7ed9\u7528\u6237\uff0c\u5305\u62ec\u6bcf\u79d2\u6267\u884c\u591a\u5c11\u8bf7\u6c42\u591a\u5c11\u6210\u529f\uff0c\u591a\u5c11\u5931\u8d25\u7b49\u3002Netflix\u901a\u8fc7hystrix-metrics-event-stream\u9879\u76ee\u5b9e\u73b0\u4e86\u5bf9\u4ee5\u4e0a\u6307\u6807\u7684\u76d1\u63a7\u3002Spring Cloud\u4e5f\u63d0\u4f9b\u4e86Hystrix Dashboard\u7684\u6574\u5408\uff0c\u5bf9\u76d1\u63a7\u5185\u5bb9\u8f6c\u5316\u6210\u53ef\u89c6\u5316\u754c\u9762\u3002<\/p>\n
Case\u6b65\u9aa4<\/h3>\n
\u65b0\u5efa\u5de5\u7a0bmicroservicecloud-consumer-hystrix-dashboard<\/p>\n
POM<\/p>\n
<dependencies>\n <!-- \u81ea\u5df1\u5b9a\u4e49\u7684api -->\n <dependency>\n <groupId>com.example<\/groupId>\n <artifactId>microservicecloud-api<\/artifactId>\n <version>${project.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-web<\/artifactId>\n <\/dependency>\n <!-- \u4fee\u6539\u540e\u7acb\u5373\u751f\u6548\uff0c\u70ed\u90e8\u7f72 -->\n <dependency>\n <groupId>org.springframework<\/groupId>\n <artifactId>springloaded<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <\/dependency>\n <!-- Ribbon\u76f8\u5173 -->\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-eureka<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-ribbon<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-config<\/artifactId>\n <\/dependency>\n <!-- feign\u76f8\u5173 -->\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-feign<\/artifactId>\n <\/dependency>\n <!-- hystrix\u548c hystrix-dashboard\u76f8\u5173-->\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-hystrix<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-hystrix-dashboard<\/artifactId>\n <\/dependency>\n<\/dependencies><\/code><\/pre>\nYML<\/p>\n
server:\n port: 9001<\/code><\/pre>\n\u4e3b\u542f\u52a8\u7c7b\u6539\u540d+\u65b0\u6ce8\u89e3@EnableHystrixDashboard<\/p>\n
@SpringBootApplication\n@EnableHystrixDashboard\npublic class DeptConsumer_DashBoard_App\n{\n public static void main(String[] args)\n {\n SpringApplication.run(DeptConsumer_DashBoard_App.class,args);\n }\n}<\/code><\/pre>\n\u6240\u6709Provider\u5fae\u670d\u52a1\u63d0\u4f9b\u7c7b(8001\/8002\/8003)\u90fd\u9700\u8981\u76d1\u63a7\u4f9d\u8d56\u914d\u7f6e<\/p>\n
<!-- actuator\u76d1\u63a7\u4fe1\u606f\u5b8c\u5584 -->\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-actuator<\/artifactId>\n <\/dependency><\/code><\/pre>\n\u542f\u52a8microservicecloud-consumer-hystrix-dashboard\u8be5\u5fae\u670d\u52a1\u76d1\u63a7\u6d88\u8d39\u7aef<\/p>\n
http:\/\/localhost:9001\/hystrix<\/a><\/p>\n\u542f\u52a83\u4e2aeureka\u96c6\u7fa4<\/p>\n
\u542f\u52a8microservicecloud-provider-dept-hystrix-8001<\/p>\n
<!-- hystrix -->\n<dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-hystrix<\/artifactId>\n<\/dependency><\/code><\/pre>\nYML<\/h3>\ninstance-id: microservicecloud-dept8001-hystrix #\u81ea\u5b9a\u4e49\u670d\u52a1\u540d\u79f0\u4fe1\u606f<\/code><\/pre>\n\u4fee\u6539DeptController<\/h3>\n@RestController\npublic class DeptController\n{\n @Autowired\n private DeptService service = null;\n\n @RequestMapping(value="\/dept\/get\/{id}",method=RequestMethod.GET)\n @HystrixCommand(fallbackMethod = "processHystrix_Get")\n public Dept get(@PathVariable("id") Long id)\n {\n Dept dept = this.service.get(id);\n if(null == dept)\n {\n throw new RuntimeException("\u8be5ID\uff1a"+id+"\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f");\n }\n return dept;\n }\n\n public Dept processHystrix_Get(@PathVariable("id") Long id)\n {\n return new Dept().setDeptno(id)\n .setDname("\u8be5ID\uff1a"+id+"\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f,null--@HystrixCommand")\n .setDb_source("no this database in MySQL");\n }\n}<\/code><\/pre>\n@HystrixCommand\u62a5\u5f02\u5e38\u540e\u5982\u4f55\u5904\u7406<\/p>\n
\u4e00\u65e6\u8c03\u7528\u670d\u52a1\u65b9\u6cd5\u5931\u8d25\u5e76\u629b\u51fa\u4e86\u9519\u8bef\u4fe1\u606f\u540e\uff0c\u4f1a\u81ea\u52a8\u8c03\u7528@HystrixCommand\u6807\u6ce8\u597d\u7684fallbackMethod\u8c03\u7528\u7c7b\u4e2d\u7684\u6307\u5b9a\u65b9\u6cd5<\/p>\n
\u4fee\u6539\u4e3b\u542f\u52a8\u7c7bDeptProvider8001_Hystrix_App\u5e76\u6dfb\u52a0\u65b0\u6ce8\u89e3@EnableCircuitBreaker<\/h3>\n\u6d4b\u8bd5<\/h3>\n
3\u4e2aeureka\u5148\u542f\u52a8<\/p>\n
\u4e3b\u542f\u52a8\u7c7bDeptProvider8001_Hystrix_App<\/p>\n
Consumer\u542f\u52a8microservicecloud-consumer-dept-80<\/p>\n
http:\/\/localhost\/consumer\/dept\/get\/112<\/a><\/p>\n\u54cd\u5e94\u7ed3\u679c<\/p>\n
{"deptno":111,"dname":"\u8be5ID\uff1a111\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f,null--@HystrixCommand","db_source":"no this database in MySQL"}<\/code><\/pre>\n\u670d\u52a1\u964d\u7ea7<\/h2>\n\u662f\u4ec0\u4e48<\/h3>\n
\u6574\u4f53\u8d44\u6e90\u5feb\u4e0d\u591f\u4e86\uff0c\u5fcd\u75db\u5c06\u67d0\u4e9b\u670d\u52a1\u5148\u5173\u6389\uff0c\u5f85\u6e21\u8fc7\u96be\u5173\uff0c\u518d\u5f00\u542f\u56de\u6765\u3002<\/p>\n
\u670d\u52a1\u964d\u7ea7\u5904\u7406\u662f\u5728\u5ba2\u6237\u7aef\u5b9e\u73b0\u5b8c\u6210\u7684\uff0c\u4e0e\u670d\u52a1\u7aef\u6ca1\u6709\u5173\u7cfb<\/p>\n
\u4fee\u6539microservicecloud-api\u5de5\u7a0b\uff0c
\n\u6839\u636e\u5df2\u7ecf\u6709\u7684DeptClientService\u63a5\u53e3\u65b0\u5efa\u4e00\u4e2a\u5b9e\u73b0\u4e86
\nFallbackFactory\u63a5\u53e3\u7684\u7c7bDeptClientServiceFallbackFactory<\/p>\n
@Component\/\/\u4e0d\u8981\u5fd8\u8bb0\u6dfb\u52a0\uff0c\u4e0d\u8981\u5fd8\u8bb0\u6dfb\u52a0\npublic class DeptClientServiceFallbackFactory implements FallbackFactory<DeptClientService>\n{\n @Override\n public DeptClientService create(Throwable throwable)\n {\n return new DeptClientService() {\n @Override\n public Dept get(long id)\n {\n return new Dept().setDeptno(id)\n .setDname("\u8be5ID\uff1a"+id+"\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f,Consumer\u5ba2\u6237\u7aef\u63d0\u4f9b\u7684\u964d\u7ea7\u4fe1\u606f,\u6b64\u523b\u670d\u52a1Provider\u5df2\u7ecf\u5173\u95ed")\n .setDb_source("no this database in MySQL");\n }\n\n @Override\n public List<Dept> list()\n {\n return null;\n }\n\n @Override\n public boolean add(Dept dept)\n {\n return false;\n }\n };\n }\n}<\/code><\/pre>\n\u4fee\u6539microservicecloud-api\u5de5\u7a0b\uff0cDeptClientService\u63a5\u53e3\u5728\u6ce8\u89e3@FeignClient\u4e2d\u6dfb\u52a0fallbackFactory\u5c5e\u6027\u503c<\/p>\n
@FeignClient(value = "MICROSERVICECLOUD-DEPT",fallbackFactory=DeptClientServiceFallbackFactory.class)<\/code><\/pre>\nmicroservicecloud-api\u5de5\u7a0b<\/p>\n
mvn clean install<\/p>\n
microservicecloud-consumer-dept-feign\u5de5\u7a0b\u4fee\u6539YML<\/p>\n
feign:\n hystrix:\n enabled: true\n<\/code><\/pre>\n\u6d4b\u8bd5<\/p>\n
3\u4e2aeureka\u5148\u542f\u52a8<\/p>\n
\u5fae\u670d\u52a1microservicecloud-provider-dept-8001\u542f\u52a8<\/p>\n
microservicecloud-consumer-dept-feign\u542f\u52a8<\/p>\n
\u6b63\u5e38\u8bbf\u95ee\u6d4b\u8bd5:http:\/\/localhost\/consumer\/dept\/get\/1<\/a><\/p>\n\u6545\u610f\u5173\u95ed\u5fae\u670d\u52a1microservicecloud-provider-dept-8001<\/p>\n
\u5ba2\u6237\u7aef\u81ea\u5df1\u8c03\u7528\u63d0\u793a<\/p>\n
http:\/\/localhost\/consumer\/dept\/get\/1<\/a><\/p>\n{"deptno":1,"dname":"\u8be5ID\uff1a1\u6ca1\u6709\u6ca1\u6709\u5bf9\u5e94\u7684\u4fe1\u606f,Consumer\u5ba2\u6237\u7aef\u63d0\u4f9b\u7684\u964d\u7ea7\u4fe1\u606f,\u6b64\u523b\u670d\u52a1Provider\u5df2\u7ecf\u5173\u95ed","db_source":"no this database in MySQL"}<\/code><\/pre>\n\u6b64\u65f6\u670d\u52a1\u7aefprovider\u5df2\u7ecfdown\u4e86\uff0c\u4f46\u662f\u6211\u4eec\u505a\u4e86\u670d\u52a1\u964d\u7ea7\u5904\u7406\uff0c\u8ba9\u5ba2\u6237\u7aef\u5728\u670d\u52a1\u7aef\u4e0d\u53ef\u7528\u65f6\u4e5f\u4f1a\u83b7\u5f97\u63d0\u793a\u4fe1\u606f\u800c\u4e0d\u4f1a\u6302\u8d77\u8017\u6b7b\u670d\u52a1\u5668<\/p>\n
\u670d\u52a1\u76d1\u63a7hystrixDashboard<\/h2>\n\u6982\u5ff5<\/h3>\n
\u9664\u4e86\u9694\u79bb\u4f9d\u8d56\u670d\u52a1\u7684\u8c03\u7528\u4ee5\u5916\uff0cHystrix\u8fd8\u63d0\u4f9b\u4e86\u51c6\u5b9e\u65f6\u7684\u8c03\u7528\u76d1\u63a7\uff08Hystrix Dashboard\uff09\uff0cHystrix\u4f1a\u6301\u7eed\u5730\u8bb0\u5f55\u6240\u6709\u901a\u8fc7Hystrix\u53d1\u8d77\u7684\u8bf7\u6c42\u7684\u6267\u884c\u4fe1\u606f\uff0c\u5e76\u4ee5\u7edf\u8ba1\u62a5\u8868\u548c\u56fe\u5f62\u7684\u5f62\u5f0f\u5c55\u793a\u7ed9\u7528\u6237\uff0c\u5305\u62ec\u6bcf\u79d2\u6267\u884c\u591a\u5c11\u8bf7\u6c42\u591a\u5c11\u6210\u529f\uff0c\u591a\u5c11\u5931\u8d25\u7b49\u3002Netflix\u901a\u8fc7hystrix-metrics-event-stream\u9879\u76ee\u5b9e\u73b0\u4e86\u5bf9\u4ee5\u4e0a\u6307\u6807\u7684\u76d1\u63a7\u3002Spring Cloud\u4e5f\u63d0\u4f9b\u4e86Hystrix Dashboard\u7684\u6574\u5408\uff0c\u5bf9\u76d1\u63a7\u5185\u5bb9\u8f6c\u5316\u6210\u53ef\u89c6\u5316\u754c\u9762\u3002<\/p>\n
Case\u6b65\u9aa4<\/h3>\n
\u65b0\u5efa\u5de5\u7a0bmicroservicecloud-consumer-hystrix-dashboard<\/p>\n
POM<\/p>\n
<dependencies>\n <!-- \u81ea\u5df1\u5b9a\u4e49\u7684api -->\n <dependency>\n <groupId>com.example<\/groupId>\n <artifactId>microservicecloud-api<\/artifactId>\n <version>${project.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-web<\/artifactId>\n <\/dependency>\n <!-- \u4fee\u6539\u540e\u7acb\u5373\u751f\u6548\uff0c\u70ed\u90e8\u7f72 -->\n <dependency>\n <groupId>org.springframework<\/groupId>\n <artifactId>springloaded<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <\/dependency>\n <!-- Ribbon\u76f8\u5173 -->\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-eureka<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-ribbon<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-config<\/artifactId>\n <\/dependency>\n <!-- feign\u76f8\u5173 -->\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-feign<\/artifactId>\n <\/dependency>\n <!-- hystrix\u548c hystrix-dashboard\u76f8\u5173-->\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-hystrix<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-hystrix-dashboard<\/artifactId>\n <\/dependency>\n<\/dependencies><\/code><\/pre>\nYML<\/p>\n
server:\n port: 9001<\/code><\/pre>\n\u4e3b\u542f\u52a8\u7c7b\u6539\u540d+\u65b0\u6ce8\u89e3@EnableHystrixDashboard<\/p>\n
@SpringBootApplication\n@EnableHystrixDashboard\npublic class DeptConsumer_DashBoard_App\n{\n public static void main(String[] args)\n {\n SpringApplication.run(DeptConsumer_DashBoard_App.class,args);\n }\n}<\/code><\/pre>\n\u6240\u6709Provider\u5fae\u670d\u52a1\u63d0\u4f9b\u7c7b(8001\/8002\/8003)\u90fd\u9700\u8981\u76d1\u63a7\u4f9d\u8d56\u914d\u7f6e<\/p>\n
<!-- actuator\u76d1\u63a7\u4fe1\u606f\u5b8c\u5584 -->\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-actuator<\/artifactId>\n <\/dependency><\/code><\/pre>\n\u542f\u52a8microservicecloud-consumer-hystrix-dashboard\u8be5\u5fae\u670d\u52a1\u76d1\u63a7\u6d88\u8d39\u7aef<\/p>\n
http:\/\/localhost:9001\/hystrix<\/a><\/p>\n\u542f\u52a83\u4e2aeureka\u96c6\u7fa4<\/p>\n
\u542f\u52a8microservicecloud-provider-dept-hystrix-8001<\/p>\n
![\"file\"](\"https:\/\/bucket-blog-img.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/04\/image-1650458923393.png\")
<\/div><\/p>\n![\"file\"](\"https:\/\/bucket-blog-img.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/04\/image-1650458963195.png\")
<\/div><\/p>\n![\"file\"](\"https:\/\/bucket-blog-img.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/04\/image-1650459112655.png\")
<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"