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YunaiV
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增加 cloud + grpc 入门
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-6
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6 files changed

+84
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‎labx-30/labx-30-grpc-cloud/labx-30-grpc-cloud-application/pom.xml

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Original file line numberDiff line numberDiff line change
@@ -14,11 +14,17 @@
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<properties>
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<!-- 依赖相关配置 -->
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<spring.boot.version>2.2.4.RELEASE</spring.boot.version>
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<spring.cloud.version>Hoxton.SR1</spring.cloud.version>
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<spring.cloud.alibaba.version>2.2.0.RELEASE</spring.cloud.alibaba.version>
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<!-- 插件相关配置 -->
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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</properties>
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<!--
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引入 Spring Boot、Spring Cloud、Spring Cloud Alibaba 三者 BOM 文件，进行依赖版本的管理，防止不兼容。
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在 https://dwz.cn/mcLIfNKt 文章中，Spring Cloud Alibaba 开发团队推荐了三者的依赖关系
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-->
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<dependencyManagement>
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<dependencies>
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<dependency>
@@ -28,6 +34,20 @@
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-dependencies</artifactId>
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<version>${spring.cloud.version}</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-alibaba-dependencies</artifactId>
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<version>${spring.cloud.alibaba.version}</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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@@ -51,6 +71,12 @@
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<artifactId>grpc-client-spring-boot-starter</artifactId>
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<version>2.8.0.RELEASE</version>
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</dependency>
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<!-- 引入 Spring Cloud Alibaba Nacos Discovery 相关依赖，将 Nacos 作为注册中心，并实现对其的自动配置 -->
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
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</dependency>
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</dependencies>
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</project>

‎labx-30/labx-30-grpc-cloud/labx-30-grpc-cloud-application/src/main/java/cn/iocoder/springcloud/labx30/demo/controller/DemoController.java

+1-1
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@@ -11,7 +11,7 @@
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@RequestMapping("/demo")
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public class DemoController {
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@GrpcClient("userService")
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@GrpcClient("user-service")
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private UserServiceGrpc.UserServiceBlockingStub userServiceGrpc;
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@GetMapping("/get")

‎labx-30/labx-30-grpc-cloud/labx-30-grpc-cloud-application/src/main/resources/application.yml

+10-2
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@@ -1,6 +1,14 @@
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spring:
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application:
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name: demo-application # 应用名
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cloud:
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nacos:
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# Nacos 作为注册中心的配置项，对应 NacosDiscoveryProperties 配置类
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discovery:
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server-addr: 127.0.0.1:8848 # Nacos 服务器地址
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grpc:
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# gRPC 客户端配置，对应 GrpcChannelsProperties 配置类的映射
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client:
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userService:
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address: 'static://127.0.0.1:8888' # 用户服务的地址
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user-service:
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negotiation-type: plaintext

‎labx-30/labx-30-grpc-cloud/labx-30-grpc-cloud-user-service/pom.xml

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Original file line numberDiff line numberDiff line change
@@ -14,11 +14,17 @@
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<properties>
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<!-- 依赖相关配置 -->
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<spring.boot.version>2.2.4.RELEASE</spring.boot.version>
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<spring.cloud.version>Hoxton.SR1</spring.cloud.version>
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<spring.cloud.alibaba.version>2.2.0.RELEASE</spring.cloud.alibaba.version>
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<!-- 插件相关配置 -->
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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</properties>
2123

24+
<!--
25+
引入 Spring Boot、Spring Cloud、Spring Cloud Alibaba 三者 BOM 文件，进行依赖版本的管理，防止不兼容。
26+
在 https://dwz.cn/mcLIfNKt 文章中，Spring Cloud Alibaba 开发团队推荐了三者的依赖关系
27+
-->
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<dependencyManagement>
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<dependencies>
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<dependency>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-dependencies</artifactId>
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<version>${spring.cloud.version}</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-alibaba-dependencies</artifactId>
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<version>${spring.cloud.alibaba.version}</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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<!-- 引入 Spring Boot 基础 Starter 依赖 -->
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<!-- 实现对 SpringMVC 的自动化配置 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter</artifactId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!-- 引入 gRPC Server Starter 依赖，实现对 gRPC 的自动配置 -->
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<artifactId>grpc-server-spring-boot-starter</artifactId>
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<version>2.8.0.RELEASE</version>
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</dependency>
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<!-- 引入 Spring Cloud Alibaba Nacos Discovery 相关依赖，将 Nacos 作为注册中心，并实现对其的自动配置 -->
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
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</dependency>
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</dependencies>
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</project>

‎labx-30/labx-30-grpc-cloud/labx-30-grpc-cloud-user-service/src/main/java/cn/iocoder/springcloud/labx30/userservice/rpc/UserServiceGrpcImpl.java

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@@ -3,12 +3,17 @@
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import cn.iocoder.springcloud.labx30.userservice.api.*;
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import io.grpc.stub.StreamObserver;
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import net.devh.boot.grpc.server.service.GrpcService;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@GrpcService
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public class UserServiceGrpcImpl extends UserServiceGrpc.UserServiceImplBase {
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private Logger logger = LoggerFactory.getLogger(getClass());
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@Override
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public void get(UserGetRequest request, StreamObserver<UserGetResponse> responseObserver) {
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logger.info("[get]");
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// 创建响应对象
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UserGetResponse.Builder builder = UserGetResponse.newBuilder();
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builder.setId(request.getId())
@@ -21,6 +26,7 @@ public void get(UserGetRequest request, StreamObserver<UserGetResponse> response
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@Override
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public void create(UserCreateRequest request, StreamObserver<UserCreateResponse> responseObserver) {
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logger.info("[create]");
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// 创建响应对象
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UserCreateResponse.Builder builder = UserCreateResponse.newBuilder();
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builder.setId((int) (System.currentTimeMillis() / 1000));

‎labx-30/labx-30-grpc-cloud/labx-30-grpc-cloud-user-service/src/main/resources/application.yml

+13-1
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@@ -1,4 +1,16 @@
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spring:
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application:
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name: user-service # 应用名
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cloud:
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nacos:
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# Nacos 作为注册中心的配置项，对应 NacosDiscoveryProperties 配置类
7+
discovery:
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server-addr: 127.0.0.1:8848 # Nacos 服务器地址
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grpc:
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# gRPC 服务器配置，对应 GrpcServerProperties 配置类
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server:
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port: 8888
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port: 0 # gRPC Server 随机端口
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server:
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port: 0 # Web Server 随机端口

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