SpringCloudAlibaba + Nacos整合完成

.run/BookApplication-01.run.xml

@@ -0,0 +1,12 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="BookApplication-01" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" folderName="图书服务">
+    <envs>
+      <env name="server.port" value="8201" />
+    </envs>
+    <module name="book-service" />
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.BookApplication" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/BookApplication-02.run.xml

@@ -0,0 +1,12 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="BookApplication-02" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" folderName="图书服务">
+    <envs>
+      <env name="server.port" value="8202" />
+    </envs>
+    <module name="book-service" />
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.BookApplication" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/BorrowApplication.run.xml

@@ -0,0 +1,15 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="BorrowApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
+    <module name="borrow-service" />
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.BorrowApplication" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="com.test.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/ConfigApplication.run.xml

@@ -0,0 +1,14 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="ConfigApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.ConfigApplication" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="com.test.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/EurekaApplication-01.run.xml

@@ -0,0 +1,11 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="EurekaApplication-01" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" folderName="Eureka集群">
+    <envs>
+      <env name="spring.profiles.active" value="01" />
+    </envs>
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.EurekaApplication" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/EurekaApplication-02.run.xml

@@ -0,0 +1,11 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="EurekaApplication-02" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" folderName="Eureka集群">
+    <envs>
+      <env name="spring.profiles.active" value="02" />
+    </envs>
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.EurekaApplication" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/GatewayApplication.run.xml

@@ -0,0 +1,14 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="GatewayApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.GatewayApplication" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="com.test.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/HystrixDashBoardApplication.run.xml

@@ -0,0 +1,8 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="HystrixDashBoardApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" folderName="Hystrix监控服务" nameIsGenerated="true">
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.HystrixDashBoardApplication" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/UserApplication-01.run.xml

@@ -0,0 +1,18 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="UserApplication-01" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" folderName="用户服务">
+    <envs>
+      <env name="server.port" value="8101" />
+    </envs>
+    <module name="user-service" />
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.UserApplication" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="com.test.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/UserApplication-02.run.xml

@@ -0,0 +1,12 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="UserApplication-02" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" folderName="用户服务">
+    <envs>
+      <env name="server.port" value="8102" />
+    </envs>
+    <module name="user-service" />
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.UserApplication" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/UserApplication.run.xml

@@ -0,0 +1,15 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="UserApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
+    <module name="user-service" />
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.test.UserApplication" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="com.test.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

book-service/pom.xml

@@ -19,6 +19,10 @@
     </properties>
 
     <dependencies>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>

book-service/src/main/java/com/test/controller/BookController.java

@@ -23,6 +23,7 @@ public class BookController {
 
     @RequestMapping("/book/{bid}")
     Book findBookById(@PathVariable("bid") int bid) {
+        System.out.println("调用图书服务");
         return service.getBookById(bid);
     }
 }

book-service/src/main/resources/application.yml

@@ -6,3 +6,11 @@ spring:
     url: jdbc:mysql://43.143.164.194:3306/mac
     username: mac
     password: mactest
+  # 应用名称 bookservice
+  application:
+    name: bookservice
+  cloud:
+    nacos:
+      discovery:
+        # 配置Nacos注册中心地址
+        server-addr: localhost:8848

borrow-service/pom.xml

@@ -18,6 +18,19 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
     <dependencies>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
+        </dependency>
+        <!-- 这里需要单独导入LoadBalancer依赖 -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-loadbalancer</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>

borrow-service/src/main/java/com/test/BorrowApplication.java

@@ -2,6 +2,7 @@ package com.test;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.openfeign.EnableFeignClients;
 
 /**
  * ClassName: BorrowApplication
@@ -10,6 +11,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * @author yovinchen
  * @Create 2023/8/14 16:25
  */
+@EnableFeignClients
 @SpringBootApplication
 public class BorrowApplication {
     public static void main(String[] args) {

borrow-service/src/main/java/com/test/service/client/BookClient.java

@@ -0,0 +1,20 @@
+package com.test.service.client;
+
+import com.test.entity.Book;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+/**
+ * ClassName: BookClient
+ * Package: com.test.service.client
+ *
+ * @author yovinchen
+ * @Create 2023/8/16 10:55
+ */
+@FeignClient("bookservice")
+public interface BookClient {
+
+    @RequestMapping("/book/{bid}")
+    Book getBookById(@PathVariable("bid") int bid);
+}

borrow-service/src/main/java/com/test/service/client/UserClient.java

@@ -0,0 +1,20 @@
+package com.test.service.client;
+
+import com.test.entity.User;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+/**
+ * ClassName: UserClient
+ * Package: com.test.service.client
+ *
+ * @author yovinchen
+ * @Create 2023/8/16 10:55
+ */
+@FeignClient("userservice")
+public interface UserClient {
+
+    @RequestMapping("/user/{uid}")
+    User getUserById(@PathVariable("uid") int uid);
+}

borrow-service/src/main/java/com/test/service/impl/BorrowServiceImpl.java

@@ -1,15 +1,15 @@
 package com.test.service.impl;
 
 
-
 import com.test.entity.Book;
 import com.test.entity.Borrow;
 import com.test.entity.User;
 import com.test.entity.UserBorrowDetail;
 import com.test.mapper.BorrowMapper;
 import com.test.service.BorrowService;
+import com.test.service.client.BookClient;
+import com.test.service.client.UserClient;
 import org.springframework.stereotype.Service;
-import org.springframework.web.client.RestTemplate;
 
 import javax.annotation.Resource;
 import java.util.List;
@@ -28,16 +28,20 @@ public class BorrowServiceImpl implements BorrowService {
     @Resource
     BorrowMapper mapper;
 
+    @Resource
+    UserClient userClient;
+
+    @Resource
+    BookClient bookClient;
+
     @Override
     public UserBorrowDetail getUserBorrowDetailByUid(int uid) {
         List<Borrow> borrow = mapper.getBorrowsByUid(uid);
-        //RestTemplate支持多种方式的远程调用
+        User user = userClient.getUserById(uid);
-        RestTemplate template = new RestTemplate();
+        List<Book> bookList = borrow
-        //这里通过调用getForObject来请求其他服务，并将结果自动进行封装
+                .stream()
-        //获取User信息
+                .map(b -> bookClient.getBookById(b.getBid()))
-        User user = template.getForObject("http://localhost:8101/user/" + uid, User.class);
+                .collect(Collectors.toList());
-        //获取每一本书的详细信息
-        List<Book> bookList = borrow.stream().map(b -> template.getForObject("http://localhost:8201/book/" + b.getBid(), Book.class)).collect(Collectors.toList());
         return new UserBorrowDetail(user, bookList);
     }
 }

borrow-service/src/main/resources/application.yml

@@ -6,3 +6,11 @@ spring:
     url: jdbc:mysql://43.143.164.194:3306/mac
     username: mac
     password: mactest
+  # 应用名称 borrowservice
+  application:
+    name: borrowservice
+  cloud:
+    nacos:
+      discovery:
+        # 配置Nacos注册中心地址
+        server-addr: localhost:8848

pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.7.14</version>
+        <version>2.6.6</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.example</groupId>
@@ -43,6 +43,7 @@
         <dependency>
             <groupId>com.mysql</groupId>
             <artifactId>mysql-connector-j</artifactId>
+            <version>8.0.32</version>
         </dependency>
 
     </dependencies>
@@ -53,6 +54,24 @@
                 <artifactId>mybatis-spring-boot-starter</artifactId>
                 <version>2.2.0</version>
             </dependency>
+
+            <!-- 这里引入最新的SpringCloud依赖 -->
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>2021.0.1</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+
+            <!-- 这里引入最新的SpringCloudAlibaba依赖，2021.0.1.0版本支持SpringBoot2.6.X -->
+            <dependency>
+                <groupId>com.alibaba.cloud</groupId>
+                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
+                <version>2021.0.1.0</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
     <build>

user-service/pom.xml

@@ -18,6 +18,10 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
     <dependencies>
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>

user-service/src/main/java/com/test/controller/UserController.java

@@ -24,6 +24,7 @@ public class UserController {
     //这里以RESTFul风格为例
     @RequestMapping("/user/{uid}")
     public User findUserById(@PathVariable("uid") int uid) {
+        System.out.println("调用图书服务");
         return service.getUserById(uid);
     }
 }

user-service/src/main/resources/application.yml

@@ -6,3 +6,11 @@ spring:
     url: jdbc:mysql://43.143.164.194:3306/mac
     username: mac
     password: mactest
+  # 应用名称 userservice
+  application:
+    name: userservice
+  cloud:
+    nacos:
+      discovery:
+        # 配置Nacos注册中心地址
+        server-addr: localhost:8848