? ? ? ? 1.創(chuàng)建新的項目

? ? ? ? ?2.創(chuàng)建的項目類型為SpringBoot

?

?

?????????選擇創(chuàng)建后再選擇新建項目

?

? ? ? ?

????????3. 將新建的項目中不需要的東西都給刪了,只留下pom文件即可

? ? ? ? ?修改pom文件的版本

  <version>2.1.6.RELEASE</version>

? ? ? ? ?導(dǎo)入所需要的jar包,將原來<dependencies>中的依賴覆蓋掉

  <!--        SpringBoot啟動器-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <!--     SpringBoot測試啟動器-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!-- Web依賴 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!-- 日志依賴 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </dependency>
        <!-- Lombok工具 -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.4</version>
            <scope>provided</scope>
        </dependency>
        <!-- Actuator可以幫助你監(jiān)控和管理Spring Boot應(yīng)用 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <!-- 熱部署 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency> 

? ? ? ? 如果你的java版本比8高,還需要導(dǎo)入以下依賴

  <!-- 引入Jaxb開始 -->
        <dependency>
            <groupId>com.sun.xml.bind</groupId>
            <artifactId>jaxb-core</artifactId>
            <version>2.2.11</version>
        </dependency>
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
        </dependency>
        <dependency>
            <groupId>com.sun.xml.bind</groupId>
            <artifactId>jaxb-impl</artifactId>
            <version>2.2.11</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jaxb</groupId>
            <artifactId>jaxb-runtime</artifactId>
            <version>2.2.10-b140310.1920</version>
        </dependency>
        <dependency>
            <groupId>javax.activation</groupId>
            <artifactId>activation</artifactId>
            <version>1.1.1</version>
        </dependency>
        <!-- 引入Jaxb結(jié)束 -->

? ? ? ? 導(dǎo)入微服務(wù)依賴的組件依賴

    <dependencyManagement>
        <dependencies>
            <!-- Spring Cloud Neflix 公司出品的微服務(wù)組件的依賴-->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Greenwich.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!--Spring Cloud Alibaba微服務(wù)組件的依賴-->
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>2.1.0.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

? ? ? ? 4.創(chuàng)建存在實(shí)體類的微服務(wù)

? ? ? ? 在這個微服務(wù)下的pom文件中導(dǎo)入所需要的依賴

<dependencies>
        <!-- mybatis-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.3.2</version>
        </dependency>
        <!-- pojo持久化使用 -->
        <dependency>
            <groupId>javax.persistence</groupId>
            <artifactId>javax.persistence-api</artifactId>
            <version>2.2</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
    </dependencies>

? ? ? ? 創(chuàng)建實(shí)體類

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.io.Serializable;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class User implements Serializable {
    private Integer id;
    private String username;
    private String password;
}

? ? ? ? ?5.創(chuàng)建用于編寫邏輯的微服務(wù),步驟和上面的一樣,將名字編寫為:?leq-server-product

? ? ? ?????????引入實(shí)體類微服務(wù)的地址

    <dependencies>
        <dependency>
            <groupId>com.example</groupId>
            <artifactId>leq-server-common</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
    </dependencies>

? ? ? ? 導(dǎo)入第二代微服務(wù)組件nacos所需要的依賴

        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>

? ? ? ? 創(chuàng)建啟動類

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@EnableDiscoveryClient
@SpringBootApplication
public class ProductApplication {
    public static void main(String[] args) {
        SpringApplication.run(ProductApplication.class,args);
    }
}

? ? ? ? 編寫配置文件,在resources創(chuàng)建application.properties文件

server.port=3000
spring.application.name=leq-server-product
spring.datasource.url=jdbc:mysql://localhost:3306/leq_pro?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=0216


spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848

? ? ? ? 6.創(chuàng)建業(yè)務(wù)訪問的微服務(wù),名字為:?leq-server-page

????????????????也是先導(dǎo)入實(shí)體類的項目的地址

    <dependencies>
        <dependency>
            <groupId>com.example</groupId>
            <artifactId>leq-server-common</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
    </dependencies>

? ? ? ? ? ? ?再導(dǎo)入以下依賴

        <!--nacos的客戶端依賴-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>
        <!-- 引入alibaba-nacos-config依賴，可以從Nacos配置中心獲得配置信息 -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>

        <!-- Sentinel核心環(huán)境依賴 -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
        </dependency>

? ? ? ? 創(chuàng)建page的啟動類

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.openfeign.EnableFeignClients;

@EnableFeignClients
@EnableDiscoveryClient
@SpringBootApplication
public class PageApplication {
    public static void main(String[] args) {
        SpringApplication.run(PageApplication.class,args);
    }
}

? ? ? ? 編寫配置文件,

????????在resources創(chuàng)建application.properties文件

server.port=3100
spring.application.name=leq-server-page
spring.datasource.url=jdbc:mysql://localhost:3306/leq_pro?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=0216


spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848

? ? ? ? 到這里我們的微服務(wù)項目就算是搭建完成了,接下來進(jìn)行測試

? ? ? ?沒有安裝nacos的小伙伴可以看這個鏈接安裝nacos : 快速安裝nacos

???????? 1.先啟動naco服務(wù)注冊中心

http://10.48.185.7:8848/nacos/index.html

? ? ? ? ?訪問該地址在瀏覽器可以看到該頁面就證明服務(wù)注冊中心啟動了

? ? ? ? 啟動page和product兩個微服務(wù)項目,然后刷新該地址,就可以看到我們的項目注冊到服務(wù)中心了

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