基于LadybugFlow的微服务编排(1.SpringBoot集成)
阅读原文时间:2023年07月10日阅读:1

前言

前面的系列文章里,介绍了ladybugflow的业务可视化的设计以及常见场景的使用方法。

感谢大家对项目的关注。

本篇文章介绍一下基于ladybugflow的微服务编排场景及使用方法。

上一篇文章使用同样的酒店预定业务场景,本篇文章我们将它继承到SpringBoot中。

如下图所示:

不同的是,这里我们将【查询用户信息】和【查询酒店信息】业务作为远程微服务调用,项目架构如下图所示:

  • 查询酒店信息节点调用远程微服务App2的查询酒店信息接口
  • 查询用户信息节点调用远程微服务App3的查询用户信息接口
  • 在下单节点中将用户信息和酒店信息输出到日志中。

接下来我们将微服务App1,App2,App3做成3个SpringBoot工程。

App2:酒店信息查询微服务

我们创建一个SpringBoot项目,添加如下接口:

http://localhost:8082/getHotel?hotel_id=XXX

@Controller
public class HotelInfoController {

    @RequestMapping(method = RequestMethod.GET, value = "/getHotel")
    @ResponseBody
    public String getHotelInfo(@RequestParam("hotel_id") int hotelId) {
        return "HOTEL:"+hotelId;
    }
}

App3:用户信息查询微服务

我们创建一个SpringBoot项目,添加如下接口:

http://localhost:8083/getUser?user_id=XXX

@Controller
public class UserInfoController {

    @RequestMapping(method = RequestMethod.GET, value = "/getUser")
    @ResponseBody
    public String getUserInfo(@RequestParam("user_id") int userId) {
        return "USER:"+userId;
    }
}

App1:酒店预定微服务

我们创建一个SpringBoot项目,工程结构如下:

加入ladybugflow依赖,如下:

build.gradle

plugins {
    id 'org.springframework.boot' version '2.7.2'
    id 'io.spring.dependency-management' version '1.0.12.RELEASE'
    id 'java'
}

group = 'nobuglady'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '1.8'

repositories {
    mavenCentral()
}

ext {
    set('springCloudVersion', "2021.0.3")
}

dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-web'
    implementation 'org.springframework.cloud:spring-cloud-starter-openfeign'
    testImplementation 'org.springframework.boot:spring-boot-starter-test'
    implementation 'io.github.nobuglady:ladybugflow:0.0.6'
}

dependencyManagement {
    imports {
        mavenBom "org.springframework.cloud:spring-cloud-dependencies:${springCloudVersion}"
    }
}

tasks.named('test') {
    useJUnitPlatform()
}

然后分别实现酒店预定的Controler,Service和Flow层代码,如下:

LadybugflowDemoMicroservice1Application.java

@SpringBootApplication
@EnableFeignClients
public class LadybugflowDemoMicroservice1Application {

    public static void main(String[] args) {
        SpringApplication.run(LadybugflowDemoMicroservice1Application.class, args);
    }

    @PreDestroy
    public void onExit() {
        FlowStarter.shutdown();
    }
}

BookHotelController.java

@Controller
public class BookHotelController {

    @Autowired
    private BookHotelService bookHotelService;

    @RequestMapping(value = "/book_hotel", method = RequestMethod.GET)
    @ResponseBody
    public String bookHotel() {

        bookHotelService.bookHotel();

        return "ok";
    }
}

BookHotelService.java

@Service
public class BookHotelService {

    @Autowired
    private BookHotelFlow bookHotelFlow;

    public void bookHotel() {
        bookHotelFlow.startFlow(false);
    }

}

BookHotelFlow.java

@Component
public class BookHotelFlow extends FlowRunner{

    @Autowired
    private HotelInfoNode hotelInfoNode;

    @Autowired
    private UserInfoNode userInfoNode;

    private String userInfo;
    private String hotelInfo;

    @Node(label = "start")
    public void processStart() throws InterruptedException {
        System.out.println("启动开始 (模拟业务等待3秒)");
        Thread.sleep(3000);
        System.out.println("启动结束");
    }

    @Node(label = "查询用户信息")
    public void processSearchUser() throws InterruptedException {
        System.out.println("查询用户信息开始 (模拟业务等待3秒)");
        userInfo = userInfoNode.getUser(456);
        System.out.println("查询用户信息结束");
    }

    @Node(label = "查询酒店信息")
    public void processSearchHotel() throws InterruptedException {
        System.out.println("查询酒店信息开始 (模拟业务等待3秒)");
        hotelInfo = hotelInfoNode.getHotel(123);
        System.out.println("查询酒店信息结束");
    }

    @Node(label = "下单")
    public void processOrder() throws InterruptedException {
        System.out.println("下单开始 (模拟业务等待3秒)");
        Thread.sleep(3000);
        System.out.println("下单结束");
    }

    @Node(label = "下单成功")
    public void processSuccess() throws InterruptedException {
        System.out.println("下单成功开始 (模拟业务等待3秒)");
        Thread.sleep(3000);
        System.out.println("下单成功结束");

        System.out.println("userInfo:"+userInfo);
        System.out.println("hotelInfo:"+hotelInfo);
    }
}

BookHotelFlow.json

{
    "flowId": "your flow id",
    "nodes": [
        {
            "id": "1",
            "label": "start"
        },
        {
            "id": "a1a38c2e-0e05-4c68-bd49-f12aea070876",
            "label": "查询用户信息",
            "readyCheck": 0
        },
        {
            "id": "1a90a997-4390-470a-ae7c-626a725438d2",
            "label": "查询酒店信息",
            "readyCheck": 0
        },
        {
            "id": "52289e99-363d-4453-8077-ca8bdc6d35bf",
            "label": "下单",
            "readyCheck": 0
        },
        {
            "id": "16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2",
            "label": "下单成功",
            "readyCheck": 0
        }
    ],
    "edges": [
        {
            "id": "1",
            "from": "1",
            "to": "2",
            "arrows": "to"
        },
        {
            "id": "b3ad7ab3-8fb6-4527-8cae-6845e03da3e4",
            "from": "1",
            "to": "a1a38c2e-0e05-4c68-bd49-f12aea070876",
            "arrows": "to"
        },
        {
            "id": "001375c7-19e7-436b-bbcd-68e36c8f23b7",
            "from": "1",
            "to": "1a90a997-4390-470a-ae7c-626a725438d2",
            "arrows": "to"
        },
        {
            "id": "dd830043-c7a7-4c71-b91c-10c007b7b19c",
            "from": "1a90a997-4390-470a-ae7c-626a725438d2",
            "to": "52289e99-363d-4453-8077-ca8bdc6d35bf",
            "arrows": "to"
        },
        {
            "id": "21c2c69d-0050-4eca-8283-5a2bcbdc6c37",
            "from": "52289e99-363d-4453-8077-ca8bdc6d35bf",
            "to": "16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2",
            "arrows": "to"
        },
        {
            "id": "19f2f329-8163-4dc6-a353-800df79d18a6",
            "from": "a1a38c2e-0e05-4c68-bd49-f12aea070876",
            "to": "52289e99-363d-4453-8077-ca8bdc6d35bf",
            "arrows": "to"
        }
    ]
}

HotelInfoNode.java

@FeignClient(name = "hotelInfo", url = "localhost:8082")
public interface HotelInfoNode {
    @RequestMapping(method = RequestMethod.GET, value = "/getHotel")
    public String getHotel(@RequestParam("hotel_id") int hotelId);

}

UserInfoNode.java

@FeignClient(name = "userInfo", url = "localhost:8083")
public interface UserInfoNode {

    @RequestMapping(method = RequestMethod.GET, value = "/getUser")
    public String getUser(@RequestParam("user_id") int userId);
}

启动微服务App1,App2,App3,

然后再浏览器输入 http://localhost:8080/book_hotel

可以看到正常结束日志

.   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.7.2)

2022-08-03 19:31:54.203  INFO 17856 --- [           main] .LadybugflowDemoMicroservice1Application : No active profile set, falling back to 1 default profile: "default"
2022-08-03 19:31:54.854  INFO 17856 --- [           main] o.s.cloud.context.scope.GenericScope     : BeanFactory id=c8301046-975c-3f5d-a827-434b9d12c7f5
2022-08-03 19:31:55.145  INFO 17856 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2022-08-03 19:31:55.155  INFO 17856 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2022-08-03 19:31:55.155  INFO 17856 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.65]
2022-08-03 19:31:55.313  INFO 17856 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2022-08-03 19:31:55.314  INFO 17856 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1069 ms
2022-08-03 19:31:56.432  INFO 17856 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2022-08-03 19:31:56.982  INFO 17856 --- [           main] .LadybugflowDemoMicroservice1Application : Started LadybugflowDemoMicroservice1Application in 3.676 seconds (JVM running for 4.615)
2022-08-03 19:32:02.853  INFO 17856 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
2022-08-03 19:32:02.853  INFO 17856 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2022-08-03 19:32:02.854  INFO 17856 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms
[I]2022/08/03 19:32:02.877  http-nio-8080-exec-1:ladybugflow.properties in root path not found, use default configuration
[I]2022/08/03 19:32:02.879  http-nio-8080-exec-1:NodePool started.
[I]2022/08/03 19:32:02.880  http-nio-8080-exec-1:Ready queue consumer thread started.
[I]2022/08/03 19:32:02.881  http-nio-8080-exec-1:Complete queue consumer thread started.
[I]2022/08/03 19:32:02.962 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] http-nio-8080-exec-1:json:
{"flowId":"your flow id","nodes":[{"id":"1","label":"start","readyCheck":0},{"id":"a1a38c2e-0e05-4c68-bd49-f12aea070876","label":"查询用户信息","readyCheck":0},{"id":"1a90a997-4390-470a-ae7c-626a725438d2","label":"查询酒店信息","readyCheck":0},{"id":"52289e99-363d-4453-8077-ca8bdc6d35bf","label":"下单","readyCheck":0},{"id":"16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2","label":"下单成功","readyCheck":0}],"edges":[{"id":"1","from":"1","to":"2","condition":null,"arrows":"to"},{"id":"b3ad7ab3-8fb6-4527-8cae-6845e03da3e4","from":"1","to":"a1a38c2e-0e05-4c68-bd49-f12aea070876","condition":null,"arrows":"to"},{"id":"001375c7-19e7-436b-bbcd-68e36c8f23b7","from":"1","to":"1a90a997-4390-470a-ae7c-626a725438d2","condition":null,"arrows":"to"},{"id":"dd830043-c7a7-4c71-b91c-10c007b7b19c","from":"1a90a997-4390-470a-ae7c-626a725438d2","to":"52289e99-363d-4453-8077-ca8bdc6d35bf","condition":null,"arrows":"to"},{"id":"21c2c69d-0050-4eca-8283-5a2bcbdc6c37","from":"52289e99-363d-4453-8077-ca8bdc6d35bf","to":"16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2","condition":null,"arrows":"to"},{"id":"19f2f329-8163-4dc6-a353-800df79d18a6","from":"a1a38c2e-0e05-4c68-bd49-f12aea070876","to":"52289e99-363d-4453-8077-ca8bdc6d35bf","condition":null,"arrows":"to"}]}
[I]2022/08/03 19:32:02.964 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-1:execute node id:1
[I]2022/08/03 19:32:02.964 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-1:execute node name:start
启动开始 (模拟业务等待3秒)
启动结束
[I]2022/08/03 19:32:05.980 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-1:execute node id:a1a38c2e-0e05-4c68-bd49-f12aea070876
[I]2022/08/03 19:32:05.980 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-1:execute node name:查询用户信息
查询用户信息开始 (模拟业务等待3秒)
[I]2022/08/03 19:32:05.980 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-2:execute node id:1a90a997-4390-470a-ae7c-626a725438d2
[I]2022/08/03 19:32:05.981 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-2:execute node name:查询酒店信息
查询酒店信息开始 (模拟业务等待3秒)
查询酒店信息结束
查询用户信息结束
[I]2022/08/03 19:32:06.109 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-1:execute node id:52289e99-363d-4453-8077-ca8bdc6d35bf
[I]2022/08/03 19:32:06.109 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-1:execute node name:下单
下单开始 (模拟业务等待3秒)
下单结束
[I]2022/08/03 19:32:09.118 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-1:execute node id:16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2
[I]2022/08/03 19:32:09.118 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] pool-1-thread-1:execute node name:下单成功
下单成功开始 (模拟业务等待3秒)
下单成功结束
userInfo:USER:456
hotelInfo:HOTEL:123
[I]2022/08/03 19:32:12.132 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] Thread-6:Complete success.
[I]2022/08/03 19:32:12.133 [your flow id][ae83277a-e7db-4787-9826-cfb44512a020] Thread-6:json:
{"nodes":[{"id": "1","label": "start" ,"color": "#36AE7C"},{"id": "a1a38c2e-0e05-4c68-bd49-f12aea070876","label": "查询用户信息" ,"color": "#36AE7C"},{"id": "1a90a997-4390-470a-ae7c-626a725438d2","label": "查询酒店信息" ,"color": "#36AE7C"},{"id": "52289e99-363d-4453-8077-ca8bdc6d35bf","label": "下单" ,"color": "#36AE7C"},{"id": "16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2","label": "下单成功" ,"color": "#36AE7C"}],"edges":[{"id": "1","from": "1","to": "2","arrows": "to"},{"id": "b3ad7ab3-8fb6-4527-8cae-6845e03da3e4","from": "1","to": "a1a38c2e-0e05-4c68-bd49-f12aea070876","arrows": "to"},{"id": "001375c7-19e7-436b-bbcd-68e36c8f23b7","from": "1","to": "1a90a997-4390-470a-ae7c-626a725438d2","arrows": "to"},{"id": "dd830043-c7a7-4c71-b91c-10c007b7b19c","from": "1a90a997-4390-470a-ae7c-626a725438d2","to": "52289e99-363d-4453-8077-ca8bdc6d35bf","arrows": "to"},{"id": "21c2c69d-0050-4eca-8283-5a2bcbdc6c37","from": "52289e99-363d-4453-8077-ca8bdc6d35bf","to": "16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2","arrows": "to"},{"id": "19f2f329-8163-4dc6-a353-800df79d18a6","from": "a1a38c2e-0e05-4c68-bd49-f12aea070876","to": "52289e99-363d-4453-8077-ca8bdc6d35bf","arrows": "to"}]}

我们将日志中的结束节点json复制到可视化工具中

4. 业务流程变更

ladybugflow的优点是将业务流程与业务代码分开管理,从而可以轻松的应对业务流程变更而不需要修改代码。

比如将业务流程修改为如下图所示的串行执行的时候

步骤1:将json文件拷贝到可视化工具中,生成流程图

步骤2:修改流程图

步骤3:更新json

步骤4:将更新后的json替换到工程中

{
    "flowId": "your flow id",
    "nodes": [
        {
            "id": "1",
            "label": "start"
        },
        {
            "id": "a1a38c2e-0e05-4c68-bd49-f12aea070876",
            "label": "查询用户信息",
            "readyCheck": 0
        },
        {
            "id": "1a90a997-4390-470a-ae7c-626a725438d2",
            "label": "查询酒店信息",
            "readyCheck": 0
        },
        {
            "id": "52289e99-363d-4453-8077-ca8bdc6d35bf",
            "label": "下单",
            "readyCheck": 0
        },
        {
            "id": "16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2",
            "label": "下单成功",
            "readyCheck": 0
        }
    ],
    "edges": [
        {
            "id": "1",
            "from": "1",
            "to": "2",
            "arrows": "to"
        },
        {
            "id": "001375c7-19e7-436b-bbcd-68e36c8f23b7",
            "from": "1",
            "to": "1a90a997-4390-470a-ae7c-626a725438d2",
            "arrows": "to"
        },
        {
            "id": "dd830043-c7a7-4c71-b91c-10c007b7b19c",
            "from": "1a90a997-4390-470a-ae7c-626a725438d2",
            "to": "a1a38c2e-0e05-4c68-bd49-f12aea070876",
            "arrows": "to"
        },
        {
            "id": "21c2c69d-0050-4eca-8283-5a2bcbdc6c37",
            "from": "52289e99-363d-4453-8077-ca8bdc6d35bf",
            "to": "16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2",
            "arrows": "to"
        },
        {
            "id": "19f2f329-8163-4dc6-a353-800df79d18a6",
            "from": "a1a38c2e-0e05-4c68-bd49-f12aea070876",
            "to": "52289e99-363d-4453-8077-ca8bdc6d35bf",
            "arrows": "to"
        }
    ]
}

运行结果:

[I]2022/08/03 19:40:30.625 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] http-nio-8080-exec-4:json:
{"flowId":"your flow id","nodes":[{"id":"1","label":"start","readyCheck":0},{"id":"a1a38c2e-0e05-4c68-bd49-f12aea070876","label":"查询用户信息","readyCheck":0},{"id":"1a90a997-4390-470a-ae7c-626a725438d2","label":"查询酒店信息","readyCheck":0},{"id":"52289e99-363d-4453-8077-ca8bdc6d35bf","label":"下单","readyCheck":0},{"id":"16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2","label":"下单成功","readyCheck":0}],"edges":[{"id":"1","from":"1","to":"2","condition":null,"arrows":"to"},{"id":"001375c7-19e7-436b-bbcd-68e36c8f23b7","from":"1","to":"1a90a997-4390-470a-ae7c-626a725438d2","condition":null,"arrows":"to"},{"id":"dd830043-c7a7-4c71-b91c-10c007b7b19c","from":"1a90a997-4390-470a-ae7c-626a725438d2","to":"a1a38c2e-0e05-4c68-bd49-f12aea070876","condition":null,"arrows":"to"},{"id":"21c2c69d-0050-4eca-8283-5a2bcbdc6c37","from":"52289e99-363d-4453-8077-ca8bdc6d35bf","to":"16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2","condition":null,"arrows":"to"},{"id":"19f2f329-8163-4dc6-a353-800df79d18a6","from":"a1a38c2e-0e05-4c68-bd49-f12aea070876","to":"52289e99-363d-4453-8077-ca8bdc6d35bf","condition":null,"arrows":"to"}]}
[I]2022/08/03 19:40:30.626 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node id:1
[I]2022/08/03 19:40:30.626 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node name:start
启动开始 (模拟业务等待3秒)
启动结束
[I]2022/08/03 19:40:33.640 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node id:1a90a997-4390-470a-ae7c-626a725438d2
[I]2022/08/03 19:40:33.640 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node name:查询酒店信息
查询酒店信息开始 (模拟业务等待3秒)
查询酒店信息结束
[I]2022/08/03 19:40:33.647 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node id:a1a38c2e-0e05-4c68-bd49-f12aea070876
[I]2022/08/03 19:40:33.647 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node name:查询用户信息
查询用户信息开始 (模拟业务等待3秒)
查询用户信息结束
[I]2022/08/03 19:40:33.651 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node id:52289e99-363d-4453-8077-ca8bdc6d35bf
[I]2022/08/03 19:40:33.651 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node name:下单
下单开始 (模拟业务等待3秒)
下单结束
[I]2022/08/03 19:40:36.662 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node id:16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2
[I]2022/08/03 19:40:36.662 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] pool-1-thread-3:execute node name:下单成功
下单成功开始 (模拟业务等待3秒)
下单成功结束
userInfo:USER:456
hotelInfo:HOTEL:123
[I]2022/08/03 19:40:39.676 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] Thread-6:Complete success.
[I]2022/08/03 19:40:39.676 [your flow id][f15f25c8-7bfd-4df8-8c74-9b5f2c5c9257] Thread-6:json:
{"nodes":[{"id": "1","label": "start" ,"color": "#36AE7C"},{"id": "a1a38c2e-0e05-4c68-bd49-f12aea070876","label": "查询用户信息" ,"color": "#36AE7C"},{"id": "1a90a997-4390-470a-ae7c-626a725438d2","label": "查询酒店信息" ,"color": "#36AE7C"},{"id": "52289e99-363d-4453-8077-ca8bdc6d35bf","label": "下单" ,"color": "#36AE7C"},{"id": "16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2","label": "下单成功" ,"color": "#36AE7C"}],"edges":[{"id": "1","from": "1","to": "2","arrows": "to"},{"id": "001375c7-19e7-436b-bbcd-68e36c8f23b7","from": "1","to": "1a90a997-4390-470a-ae7c-626a725438d2","arrows": "to"},{"id": "dd830043-c7a7-4c71-b91c-10c007b7b19c","from": "1a90a997-4390-470a-ae7c-626a725438d2","to": "a1a38c2e-0e05-4c68-bd49-f12aea070876","arrows": "to"},{"id": "21c2c69d-0050-4eca-8283-5a2bcbdc6c37","from": "52289e99-363d-4453-8077-ca8bdc6d35bf","to": "16422cbb-ccb0-4fe2-952b-e3ad5c3acbb2","arrows": "to"},{"id": "19f2f329-8163-4dc6-a353-800df79d18a6","from": "a1a38c2e-0e05-4c68-bd49-f12aea070876","to": "52289e99-363d-4453-8077-ca8bdc6d35bf","arrows": "to"}]}

感谢您读文章到这里。

3. 最后

源码:https://github.com/nobuglady/ladybugflow

运行例源码:https://github.com/nobuglady/ladybugflow-demo-microservice

设计资料和详细的使用方法可以参照上一篇文章:https://www.cnblogs.com/nobuglady/p/16474433.html