SpringCloud核心教程 | 第二篇：使用Intellij中的maven来快速构建Sprin

firim 发布于2019-07-31 18:18 / 3174人阅读

摘要：在之前的所有相关博文中，都会涉及工程的创建。本文我们将介绍嵌入的中的工具，来快速的构建出一个基础的工程。创建工程第一步菜单栏中选择，我们可以看到如下图所示的创建功能窗口。最后，点击就能完成工程的构建了。

spring cloud简介

spring cloud 为开发人员提供了快速构建分布式系统的一些工具，包括配置管理、服务发现、断路器、路由、微代理、事件总线、全局锁、决策竞选、分布式会话等等。它运行环境简单，可以在开发人员的电脑上跑。另外说明spring cloud是基于springboot的，所以需要开发中对springboot有一定的了解，如果不了解的话可以看这篇文章：2小时学会springboot。另外对于“微服务架构” 不了解的话，可以通过搜索引擎搜索“微服务架构”了解下。

在之前的所有Spring Boot相关博文中，都会涉及Spring Boot工程的创建。而创建的方式多种多样，这里，我们可以通过Maven来手工构建或是通过脚手架等方式快速搭建。

本文我们将介绍嵌入的Intellij中的maven工具，来快速的构建出一个基础的Spring Cloud工程。

创建工程

第一步： 菜单栏中选择File=>New=>Project..，我们可以看到如下图所示的创建功能窗口。然后，我们选择maven。

第二步： 点击Next，等待片刻后，我们可以看到如下图所示的工程信息窗口，在这里我们可以编辑我们想要创建的工程信息。其中，GroupId是工程的分组id，ArtifactId是模块分组id，Version是当前的版本。GroupId、ArtifactId、Version组合在一起形成一个模块的坐标

第三步： 点击Next，进入最后关于工程物理存储的一些细节。最后，点击Finish就能完成工程的构建了。

工程构建完成

加入pom坐标



    4.0.0

    
        cn.zhangbox
        spring-cloud-study
        1.0-SNAPSHOT
    
    
    cn.zhangbox.cloud.demo
    cloud-demo
    1.0-SNAPSHOT

    
        UTF-8
        1.8
    

    

        
        
            org.springframework.cloud
            spring-cloud-starter-eureka
        
        

        
        
            org.springframework.boot
            spring-boot-starter-web
        
        

    

    
    
        
            
                org.springframework.cloud
                spring-cloud-dependencies
                Dalston.SR1
                pom
                import
            
        
    
    

    
    
        
            
                org.springframework.boot
                spring-boot-maven-plugin

修改YML配置

#工程名称
spring:
  application:
    name: cloud-demo
#选择哪一个环境的配置
#这里可以在每个环境配置redis，数据库（mysql），消息（kafka）等相关的组件的配置
  profiles:
    active: dev
#配置eureka获取服务地址，这里使用的是程序员DD公开的eureka注册中心，感谢程序员DD提供的注册中心
eureka:
  client:
    serviceUrl:
      defaultZone: http://eureka.didispace.com/eureka/
      
#文档块区分为三个---
---
server:
  port: 8081
spring:
  profiles: dev
#日志
logging:
  config: classpath:log/logback.xml
  path: log/cloud-demo

#文档块区分为三个---
---
server:
  port: 8082
spring:
  profiles: test
#日志
logging:
  config: classpath:log/logback.xml
  path: usr/cloud-demo/log/cloud-demo

#文档块区分为三个---
---
server:
  port: 8083
spring:
  profiles: prod
#日志
logging:
  config: classpath:log/logback.xml
  path: usr/cloud-demo/log/cloud-demo

创建日志配置文件

在工程resources文件夹下新建文件夹log，并在该文件夹下创建logback.xml文件,加入以下配置：



    
    

    
    

    
    
    
    
    
    
    

    
    
        
            ${CONSOLE_LOG_PATTERN}
            UTF-8 
        
        
        
            debug
        
    

    
    
        
        ${LOG_PATH}/log_debug.log
        
        
            %d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n
            UTF-8 
        
        
        
            
            ${LOG_PATH}/debug/log-debug-%d{yyyy-MM-dd}.%i.log
            
            
                500MB
            
            
            30
        
        
        
            debug
            ACCEPT
            DENY
        
    

    
    
        
        ${LOG_PATH}/log_info.log
        
        
            %d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n
            UTF-8 
        
        
        
            
            ${LOG_PATH}/info/log-info-%d{yyyy-MM-dd}.%i.log
            
            
                500MB
            
            
            30
        
        
        
            info
            ACCEPT
            DENY
        
    

    
    
        
        ${LOG_PATH}/log_warn.log
        
        
            %d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n
            UTF-8 
        
        
        
            
            ${LOG_PATH}/warn/log-warn-%d{yyyy-MM-dd}.%i.log
            
            
                500MB
            
            
            30
        
        
        
            warn
            ACCEPT
            DENY
        
    

    
    
        
        ${LOG_PATH}/log_error.log
        
        
            %d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n
            UTF-8 
        
        
        
            
            ${LOG_PATH}/error/log-error-%d{yyyy-MM-dd}.%i.log
            
            
                500MB
            
            
            30
        
        
        
            error
            ACCEPT
            DENY

创建Controller

在工程java代码目录下创建controller的目录在下面创建DcController类用来测试服务是否已经注册到eureka并加入以下代码:

@RestController
public class DcController {

    @Autowired
    DiscoveryClient discoveryClient;

    @GetMapping("/dc")
    public String dc() {
        String services = "Services: " + discoveryClient.getServices();
        System.out.println(services);
        return services;
    }
}

创建启动类

@EnableDiscoveryClient //使用该注解将注册服务到eureka
@SpringBootApplication
public class SpringCloudDemoApplication {

    public static void main(String[] args) {
        new SpringApplicationBuilder(
                SpringCloudDemoApplication.class).web(true).run(args);
    }
}

控制台打印

"C:Program FilesJavajdk1.8.0_151injava" -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:51282,suspend=y,server=n -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=51281 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -Dfile.encoding=UTF-8 -classpath "C:Program FilesJavajdk1.8.0_151jrelibcharsets.jar;C:Program FilesJavajdk1.8.0_151jrelibdeploy.jar;C:Program FilesJavajdk1.8.0_151jrelibextaccess-bridge-64.jar;C:Program FilesJavajdk1.8.0_151jrelibextcldrdata.jar;C:Program FilesJavajdk1.8.0_151jrelibextdnsns.jar;C:Program FilesJavajdk1.8.0_151jrelibextjaccess.jar;C:Program FilesJavajdk1.8.0_151jrelibextjfxrt.jar;C:Program FilesJavajdk1.8.0_151jrelibextlocaledata.jar;C:Program FilesJavajdk1.8.0_151jrelibext
ashorn.jar;C:Program FilesJavajdk1.8.0_151jrelibextsunec.jar;C:Program FilesJavajdk1.8.0_151jrelibextsunjce_provider.jar;C:Program FilesJavajdk1.8.0_151jrelibextsunmscapi.jar;C:Program FilesJavajdk1.8.0_151jrelibextsunpkcs11.jar;C:Program FilesJavajdk1.8.0_151jrelibextzipfs.jar;C:Program FilesJavajdk1.8.0_151jrelibjavaws.jar;C:Program FilesJavajdk1.8.0_151jrelibjce.jar;C:Program FilesJavajdk1.8.0_151jrelibjfr.jar;C:Program FilesJavajdk1.8.0_151jrelibjfxswt.jar;C:Program FilesJavajdk1.8.0_151jrelibjsse.jar;C:Program FilesJavajdk1.8.0_151jrelibmanagement-agent.jar;C:Program FilesJavajdk1.8.0_151jrelibplugin.jar;C:Program FilesJavajdk1.8.0_151jrelib
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epositoryorgspringframeworkspring-expression4.3.8.RELEASEspring-expression-4.3.8.RELEASE.jar;C:Program FilesJetBrainsIntelliJ IDEA 2017.2.6libidea_rt.jar" cn.zhangbox.cloud.SpringCloudDemoApplication
Connected to the target VM, address: "127.0.0.1:51282", transport: "socket"
2018-07-13 17:13:30.459  INFO 8104 --- [           main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@4416d64f: startup date [Fri Jul 13 17:13:30 GMT+08:00 2018]; root of context hierarchy
2018-07-13 17:13:30.983  INFO 8104 --- [           main] f.a.AutowiredAnnotationBeanPostProcessor : JSR-330 "javax.inject.Inject" annotation found and supported for autowiring
2018-07-13 17:13:31.057  INFO 8104 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean "configurationPropertiesRebinderAutoConfiguration" of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$52bfc5ff] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)

  .   ____          _            __ _ _
 / / ___"_ __ _ _(_)_ __  __ _    
( ( )\___ | "_ | "_| | "_ / _` |    
 /  ___)| |_)| | | | | || (_| |  ) ) ) )
  "  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.5.3.RELEASE)

2018-07-13 17:13:31.835  INFO 8104 --- [           main] c.z.cloud.SpringCloudDemoApplication     : The following profiles are active: dev
2018-07-13 17:13:31.850  INFO 8104 --- [           main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@160396db: startup date [Fri Jul 13 17:13:31 GMT+08:00 2018]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext@4416d64f
2018-07-13 17:13:32.470  INFO 8104 --- [           main] o.s.cloud.context.scope.GenericScope     : BeanFactory id=61cde5fe-b448-3350-a5e4-3ab1b78398ff
2018-07-13 17:13:32.489  INFO 8104 --- [           main] f.a.AutowiredAnnotationBeanPostProcessor : JSR-330 "javax.inject.Inject" annotation found and supported for autowiring
2018-07-13 17:13:32.553  INFO 8104 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean "org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration" of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$52bfc5ff] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2018-07-13 17:13:33.018  INFO 8104 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8081 (http)
2018-07-13 17:13:33.032  INFO 8104 --- [           main] o.apache.catalina.core.StandardService   : Starting service Tomcat
2018-07-13 17:13:33.034  INFO 8104 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.14
2018-07-13 17:13:33.199  INFO 8104 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2018-07-13 17:13:33.199  INFO 8104 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 1349 ms
2018-07-13 17:13:33.345  INFO 8104 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: "dispatcherServlet" to [/]
2018-07-13 17:13:33.350  INFO 8104 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: "characterEncodingFilter" to: [/*]
2018-07-13 17:13:33.351  INFO 8104 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: "hiddenHttpMethodFilter" to: [/*]
2018-07-13 17:13:33.351  INFO 8104 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: "httpPutFormContentFilter" to: [/*]
2018-07-13 17:13:33.351  INFO 8104 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: "requestContextFilter" to: [/*]
2018-07-13 17:13:34.025  INFO 8104 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@160396db: startup date [Fri Jul 13 17:13:31 GMT+08:00 2018]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext@4416d64f
2018-07-13 17:13:34.094  INFO 8104 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/dc],methods=[GET]}" onto public java.lang.String cn.zhangbox.cloud.controller.DcController.dc()
2018-07-13 17:13:34.098  INFO 8104 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2018-07-13 17:13:34.099  INFO 8104 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-07-13 17:13:34.142  INFO 8104 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-07-13 17:13:34.142  INFO 8104 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-07-13 17:13:34.189  INFO 8104 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-07-13 17:13:34.555  WARN 8104 --- [           main] c.n.c.sources.URLConfigurationSource     : No URLs will be polled as dynamic configuration sources.
2018-07-13 17:13:34.555  INFO 8104 --- [           main] c.n.c.sources.URLConfigurationSource     : To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
2018-07-13 17:13:34.561  WARN 8104 --- [           main] c.n.c.sources.URLConfigurationSource     : No URLs will be polled as dynamic configuration sources.
2018-07-13 17:13:34.561  INFO 8104 --- [           main] c.n.c.sources.URLConfigurationSource     : To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
2018-07-13 17:13:34.697  INFO 8104 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2018-07-13 17:13:34.707  INFO 8104 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name "environmentManager" has been autodetected for JMX exposure
2018-07-13 17:13:34.708  INFO 8104 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name "configurationPropertiesRebinder" has been autodetected for JMX exposure
2018-07-13 17:13:34.709  INFO 8104 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name "refreshScope" has been autodetected for JMX exposure
2018-07-13 17:13:34.711  INFO 8104 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean "environmentManager": registering with JMX server as MBean [org.springframework.cloud.context.environment:name=environmentManager,type=EnvironmentManager]
2018-07-13 17:13:34.726  INFO 8104 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean "refreshScope": registering with JMX server as MBean [org.springframework.cloud.context.scope.refresh:name=refreshScope,type=RefreshScope]
2018-07-13 17:13:34.739  INFO 8104 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean "configurationPropertiesRebinder": registering with JMX server as MBean [org.springframework.cloud.context.properties:name=configurationPropertiesRebinder,context=160396db,type=ConfigurationPropertiesRebinder]
2018-07-13 17:13:34.881  INFO 8104 --- [           main] o.s.c.support.DefaultLifecycleProcessor  : Starting beans in phase 0
2018-07-13 17:13:34.890  INFO 8104 --- [           main] o.s.c.n.eureka.InstanceInfoFactory       : Setting initial instance status as: STARTING
2018-07-13 17:13:35.012  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Initializing Eureka in region us-east-1
2018-07-13 17:13:35.418  INFO 8104 --- [           main] c.n.d.provider.DiscoveryJerseyProvider   : Using JSON encoding codec LegacyJacksonJson
2018-07-13 17:13:35.418  INFO 8104 --- [           main] c.n.d.provider.DiscoveryJerseyProvider   : Using JSON decoding codec LegacyJacksonJson
2018-07-13 17:13:35.554  INFO 8104 --- [           main] c.n.d.provider.DiscoveryJerseyProvider   : Using XML encoding codec XStreamXml
2018-07-13 17:13:35.554  INFO 8104 --- [           main] c.n.d.provider.DiscoveryJerseyProvider   : Using XML decoding codec XStreamXml
2018-07-13 17:13:35.935  INFO 8104 --- [           main] c.n.d.s.r.aws.ConfigClusterResolver      : Resolving eureka endpoints via configuration
2018-07-13 17:13:36.021  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Disable delta property : false
2018-07-13 17:13:36.022  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Single vip registry refresh property : null
2018-07-13 17:13:36.022  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Force full registry fetch : false
2018-07-13 17:13:36.022  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Application is null : false
2018-07-13 17:13:36.022  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Registered Applications size is zero : true
2018-07-13 17:13:36.023  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Application version is -1: true
2018-07-13 17:13:36.023  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Getting all instance registry info from the eureka server
2018-07-13 17:13:36.260  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : The response status is 200
2018-07-13 17:13:36.262  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Starting heartbeat executor: renew interval is: 30
2018-07-13 17:13:36.266  INFO 8104 --- [           main] c.n.discovery.InstanceInfoReplicator     : InstanceInfoReplicator onDemand update allowed rate per min is 4
2018-07-13 17:13:36.269  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Discovery Client initialized at timestamp 1531473216269 with initial instances count: 26
2018-07-13 17:13:36.288  INFO 8104 --- [           main] o.s.c.n.e.s.EurekaServiceRegistry        : Registering application cloud-demo with eureka with status UP
2018-07-13 17:13:36.289  INFO 8104 --- [           main] com.netflix.discovery.DiscoveryClient    : Saw local status change event StatusChangeEvent [timestamp=1531473216289, current=UP, previous=STARTING]
2018-07-13 17:13:36.291  INFO 8104 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient    : DiscoveryClient_CLOUD-DEMO/windows10.microdone.cn:cloud-demo:8081: registering service...
2018-07-13 17:13:36.342  INFO 8104 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient    : DiscoveryClient_CLOUD-DEMO/windows10.microdone.cn:cloud-demo:8081 - registration status: 204
2018-07-13 17:13:36.360  INFO 8104 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8081 (http)
2018-07-13 17:13:36.360  INFO 8104 --- [           main] .s.c.n.e.s.EurekaAutoServiceRegistration : Updating port to 8081
2018-07-13 17:13:36.364  INFO 8104 --- [           main] c.z.cloud.SpringCloudDemoApplication     : Started SpringCloudDemoApplication in 6.85 seconds (JVM running for 8.116)
2018-07-13 17:13:45.808  INFO 8104 --- [nio-8081-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring FrameworkServlet "dispatcherServlet"
2018-07-13 17:13:45.809  INFO 8104 --- [nio-8081-exec-1] o.s.web.servlet.DispatcherServlet        : FrameworkServlet "dispatcherServlet": initialization started
2018-07-13 17:13:45.838  INFO 8104 --- [nio-8081-exec-1] o.s.web.servlet.DispatcherServlet        : FrameworkServlet "dispatcherServlet": initialization completed in 29 ms
Services: [zcs-apps-gateway, mystore-user-jwt, eureka-feign-client, scca-server-all-in-one, oms-system, zcs-apps-config, apollo-adminservice, staryun-product, tm-web, gateway-server, config-server, apollo-configservice, base-service, hd-cloud-boss, wm-svr-gateway, tm-admin, gzepro-manage-service, cva, zcs-jzsy-ops-new, x-cbiz, hd-config-server, wm-app-basicmanager, cloud-demo, wm-app-authserver, service-configuration, api-gateway]

eureka管控台正常显示

浏览器输入地址：
http://eureka.didispace.com/
看到服务已经成功注册。

当然，我们也可以通过直接访问eureka-client服务提供的/dc接口来获取当前的服务清单，只需要访问：http://localhost:2001/dc，我们可以得到如下输出返回：

Services: [zcs-apps-gateway, mystore-user-jwt, eureka-feign-client, scca-server-all-in-one, oms-system, zcs-apps-config, apollo-adminservice, staryun-product, tm-web, gateway-server, config-server, apollo-configservice, base-service, hd-cloud-boss, wm-svr-gateway, tm-admin, gzepro-manage-service, cva, zcs-jzsy-ops-new, x-cbiz, hd-config-server, wm-app-basicmanager, cloud-demo, wm-app-authserver, service-configuration, api-gateway]

可以看到cloud-demo包含在里面。至此maven快速构建cloud项目并启动测试已全部完成。

源码地址

SpringCloud使用Intellij中的maven来快速构建Spring Cloud工程

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超融合服务器私有云第二篇 phpcms从第二篇 springcloud教程图像识别中的核心技术

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