spring boot创建和数据库关联模块详解

创建步骤

1.导入依赖

2.配置文件

3.创建启动类

1.导入依赖

<dependencies>
 <dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-openfeign</artifactId>
  <scope>provided</scope>
 </dependency>
 <dependency>
  <groupId>javax.persistence</groupId>
  <artifactId>persistence-api</artifactId>
  <version>1.0</version>
  <scope>compile</scope>
 </dependency>
  <dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
 </dependency>
 <!--自定义公共模块,可见公共模块文章-->
 <dependency>
  <groupId>com.xx</groupId>
  <artifactId>common_db</artifactId>
  <version>1.0-SNAPSHOT</version>
 </dependency>
 <dependency>
  <groupId>com.xx</groupId>
  <artifactId>service_goods_api</artifactId>
  <version>1.0-SNAPSHOT</version>
 </dependency>
</dependencies>

2.配置文件

server:
 port: 9011
spring:
 application:
 name: goods
 datasource:
 driver-class-name: com.mysql.jdbc.Driver
 url: jdbc:mysql://192.168.200.128:3306/goods?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
 username: root
 password: root
eureka:
 client:
 service-url:
  defaultZone: http://127.0.0.1:6868/eureka
 instance:
 prefer-ip-address: true
feign:
 hystrix:
 enabled: true
 
#hystrix 配置
hystrix:
 command:
 default:
  execution:
  timeout:
  #如果enabled设置为false,则请求超时交给ribbon控制
   enabled: true
  isolation:
   strategy: SEMAPHORE

3.创建启动类

@SpringBootApplication
@EnableEurekaClient
//@MapperScan是tk.mybatis.spring.annotation包下的,用于扫描Mapper接口*
@MapperScan(basePackages = {"com.goods.dao"})
public class GoodsApplication {
 public static void main(String[] args) {
  SpringApplication.run(GoodsApplication.class);
 }
}

总结

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spring boot创建和数据库关联模块详解

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