springcloud项目搭建一

我们先来搭建一个项目架子，后面再慢慢的往里面填充我们需要的各种组件

首先我新建一个项目（File New Project）

创建我们的父工程，选择左边Sprig Initializr类型的，注意几个箭头的位置，点击Next

啥也不选直接完成就好了，后面反正要改配置文件

生成后目录如下，如果有其它东西删了就好，注意项目的jdk版本和maven库

打开pom文件直接覆盖

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.sakura.springcloud</groupId>
<artifactId>springcloudalibaba</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springcloudalibaba</name>
<description>springcloudalibaba</description>

<modules>
<module>order</module>
<module>stock</module>
</modules>

<packaging>pom</packaging>

<properties>
<java.version>1.8</java.version>
<spring-boot.version>2.7.7</spring-boot.version>
<spring-cloud.version>2021.0.5</spring-cloud.version>
<spring-cloud-alibaba.version>2021.0.5.0</spring-cloud-alibaba.version>
</properties>
<dependencies>
<!--springboot基本场景启动器-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>

<!--springboot测试场景启动器-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>

<dependencyManagement>
<dependencies>
<!-- springboot版本管理器 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<!-- springCloud -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<!-- springCloudAlibaba -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-alibaba-dependencies</artifactId>
<version>${spring-cloud-alibaba.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>

</project>

添加子项目模块order（File New Module）

这里我们选择maven类型的，创建项目
idea2023多了个Archetype不知道干啥的，我们选org.apache.maven.archetypes:maven-archetype-quickstart

还是直接覆盖pom文件

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.sakura.springcloud</groupId>
<artifactId>springcloudalibaba</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>

<artifactId>order</artifactId>
<packaging>jar</packaging>

<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
</project>

同样的方式我们创建另一个子项目模块stock
改一下pom文件

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.sakura.springcloud</groupId>
<artifactId>springcloudalibaba</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>

<artifactId>stock</artifactId>
<packaging>jar</packaging>

<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
</project>

我们完善一下项目，结构如下，有多余的内容直接删掉就好

order的OrderApplication启动文件：

package com.sakura.order;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

/**
* @author Sakura
* @date 2023/7/19 11:43
*/
@SpringBootApplication
public class OrderApplication {

public static void main(String[] args) {
SpringApplication.run(OrderApplication.class, args);
}

// 这里为了测试随便写的不要在意
@Bean
public RestTemplate restTemplate(RestTemplateBuilder builder) {
RestTemplate restTemplate = builder.build();
return restTemplate;
}
}

order的OrderController文件：

package com.sakura.order.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

/**
* @author Sakura
* @date 2023/7/19 11:25
*/
@RestController
@RequestMapping("/order")
public class OrderController {

@Autowired
RestTemplate restTemplate;

@RequestMapping("/add")
public String add(){
System.out.println("下单成功");
// 在orde里面调用stock服务
String msg = restTemplate.getForObject("http://localhost:8011/stock/reduct", String.class);
return "下单成功" + msg;
}

}

order的application.yml文件

server:
port: 8010
1
2
同样的对应的stock模块文件
stock的StockApplication启动文件

package com.sakura.stock;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
* @author Sakura
* @date 2023/7/19 11:43
*/
@SpringBootApplication
public class StockApplication {

public static void main(String[] args) {
SpringApplication.run(StockApplication.class, args);
}

}

stock的StockController文件

package com.sakura.stock.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
* @author Sakura
* @date 2023/7/19 11:35
*/
@RestController
@RequestMapping("/stock")
public class StockController {

@RequestMapping("/reduct")
public String reduct(){
System.out.println("扣减库存");
return "扣减库存";
}

}

stock的application.yml文件

server:
port: 8011

启动两个服务，在浏览器里输入：http://localhost:8010/order/add
出现下面页面说明基础服务搭建成功

图片：