基础版本完成

book-service/src/main/java/com/test/BookApplication.java

@@ -3,6 +3,8 @@ package com.test;
 import com.apple.eawt.Application;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
 
 /**
  * ClassName: BookApplication
@@ -12,6 +14,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * @Create 2023/8/14 16:23
  */
 @SpringBootApplication
+@EnableEurekaClient
 public class BookApplication {
     public static void main(String[] args) {
         SpringApplication.run(BookApplication.class,args);

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

@@ -1,12 +1,13 @@
 package com.test.controller;
 
 import com.test.service.BookService;
+import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
-import java.awt.print.Book;
+import com.test.entity.Book;
 
 /**
  * ClassName: BookController
@@ -16,6 +17,7 @@ import java.awt.print.Book;
  * @Create 2023/8/14 17:11
  */
 @RestController
+@EnableEurekaClient
 public class BookController {
 
     @Resource

book-service/src/main/java/com/test/mapper/BookMapper.java

@@ -1,9 +1,9 @@
 package com.test.mapper;
 
+import com.test.entity.Book;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;
 
-import java.awt.print.Book;
 
 /**
  * ClassName: BookMapper

book-service/src/main/java/com/test/service/BookService.java

@@ -1,6 +1,5 @@
 package com.test.service;
-
+import com.test.entity.Book;
-import java.awt.print.Book;
 
 /**
  * ClassName: BookService

book-service/src/main/java/com/test/service/impl/BookServiceImpl.java

@@ -5,7 +5,7 @@ import com.test.service.BookService;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
-import java.awt.print.Book;
+import com.test.entity.Book;
 
 /**
  * ClassName: BookServiceImpl

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

@@ -10,6 +10,8 @@ spring:
     password: mactest
 eureka:
   client:
-    # 跟上面一样，需要指向Eureka服务端地址，这样才能进行注册
+    serviceUrl:
-    service-url:
       defaultZone: http://localhost:8888/eureka
+  instance:
+    prefer-ip-address: true
+    instance-id: ${spring.cloud.client.ip-address}:${server.port}

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

@@ -2,6 +2,8 @@ package com.test;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
 
 /**
  * ClassName: BorrowApplication
@@ -11,6 +13,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * @Create 2023/8/14 16:25
  */
 @SpringBootApplication
+@EnableEurekaClient
 public class BorrowApplication {
     public static void main(String[] args) {
         SpringApplication.run(BorrowApplication.class, args);

borrow-service/src/main/java/com/test/controller/BorrowController.java

@@ -4,6 +4,7 @@ import com.test.entity.UserBorrowDetail;
 import com.test.service.BorrowService;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;

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

@@ -33,12 +33,10 @@ public class BorrowServiceImpl implements BorrowService {
     @Override
     public UserBorrowDetail getUserBorrowDetailByUid(int uid) {
         List<Borrow> borrow = mapper.getBorrowsByUid(uid);
-//        //RestTemplate支持多种方式的远程调用
+
-//        RestTemplate template = new RestTemplate();
+        //这里不用再写IP，直接写服务名称userservice
-//        这里通过调用getForObject来请求其他服务，并将结果自动进行封装
-        //获取User信息
         User user = template.getForObject("http://userservice/user/" + uid, User.class);
-        //获取每一本书的详细信息
+        //这里不用再写IP，直接写服务名称bookservice
         List<Book> bookList = borrow.stream().map(b -> template.getForObject("http://bookservice/book/" + b.getBid(), Book.class)).collect(Collectors.toList());
         return new UserBorrowDetail(user, bookList);
     }

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

@@ -10,6 +10,8 @@ spring:
     password: mactest
 eureka:
   client:
-    # 跟上面一样，需要指向Eureka服务端地址，这样才能进行注册
+    serviceUrl:
-    service-url:
       defaultZone: http://localhost:8888/eureka
+  instance:
+    prefer-ip-address: true
+    instance-id: ${spring.cloud.client.ip-address}:${server.port}

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

@@ -1,12 +1,10 @@
 server:
   port: 8888
 eureka:
-  # 开启之前需要修改一下客户端设置（虽然是服务端
   client:
-    # 由于我们是作为服务端角色，所以不需要获取服务端，改为false，默认为true
     fetch-registry: false
-    # 暂时不需要将自己也注册到Eureka
     register-with-eureka: false
-    # 将eureka服务端指向自己
+    serviceUrl:
-    service-url:
       defaultZone: http://localhost:8888/eureka
+  server:
+    enable-self-preservation: false

user-service/src/main/java/com/test/UserApplication.java

@@ -2,6 +2,8 @@ package com.test;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
 
 /**
  * ClassName: UserApplication
@@ -11,6 +13,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * @Create 2023/8/14 16:26
  */
 @SpringBootApplication
+@EnableEurekaClient
 public class UserApplication {
     public static void main(String[] args) {
         SpringApplication.run(UserApplication.class, args);

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

@@ -4,6 +4,7 @@ import com.test.entity.User;
 import com.test.service.UserService;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;

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

@@ -10,7 +10,8 @@ spring:
     password: mactest
 eureka:
   client:
-    # 跟上面一样，需要指向Eureka服务端地址，这样才能进行注册
+    serviceUrl:
-    service-url:
       defaultZone: http://localhost:8888/eureka
-
+  instance:
+    prefer-ip-address: true
+    instance-id: ${spring.cloud.client.ip-address}:${server.port}