step1 Create a new project
Method 1: Create a new project directly in IDEA as shown:
Method 2: Create a new
in start.spring.io. Some children may have discovered that the Server URL of the first method is the second website, which is the same.
To create two new projects, the first project is as shown in the picture above, and the second project only needs to change the provider to consumer
The rest remains unchanged, open it through IDEA after decompression
step2 Create the required packages, interfaces and implementation classes
provider project structure:
consumer project structure:
Please note that the locations of the two ServiceAPIs in the project, or the package names, must be strictly consistent, otherwise problems will occur later
If they are inconsistent, you can press them as needed as follows Make changes
xsd and place it in the specified directory:
C:\Users\username\.lemminx\cache\http\code. alibabatech.com\schema\dubbo
File:dubbo.xsd
#step3 Create a new configuration file under the resources of the two projects
The name that needs to be created is: spring-dubbo.xml
In the configuration file of provider, write:
In the configuration file of consumer, write:
step4 Code writing
Import dependencies
Add dependencies under the pom.xml of both projects:
com.alibaba.spring.boot
dubbo-spring-boot-starter
2.0.0
provider
ProviderImpl
Don’t forget to add the Service annotation, and it must be dubbo’s Service
package com.springdubbo.demo.springbootdubbo.apiImpl;
import com.alibaba.dubbo.config.annotation.Service;
import com.springdubbo.demo.springbootdubbo.ServiceAPI;
/**
* @author wuyt
* @data 2022/6/11
* @apiNote
*/
@Service
public class ProviderImpl implements ServiceAPI {
public String getMessage(String message) {
return "springboot-dubbo-provider =>>>>>" + message;
}
public String getTheFeibN(int n) {
//斐波那契数列第n项的实现逻辑
}
}ServiceAPI
package com.springdubbo.demo.springbootdubbo;
/**
* @author wuyt
* @data 2022/6/11
* @apiNote
*/
public interface ServiceAPI {
public String getMessage(String message);
public String getTheFeibN(int n);
}SpringbootDubboApplication
Be sure to add the ImportResource annotation
package com.springdubbo.demo.springbootdubbo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ImportResource;
@SpringBootApplication
@ImportResource("classpath:spring-dubbo.xml")
public class SpringbootDubboApplication {
public static void main(String[] args) {
SpringApplication.run(SpringbootDubboApplication.class, args);
}
}consumer
ServiceAPI
package com.springdubbo.demo.springbootdubbo;
/**
* @author wuyt
* @data 2022/6/11
* @apiNote
*/
public interface ServiceAPI {
public String getMessage(String message);
public String getTheFeibN(int n);
}SpringbootDubboApplication
package com.springdubbo.demo.springbootdubbo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.ImportResource;
@SpringBootApplication
@ImportResource("classpath:spring-dubbo.xml")
public class SpringbootDubboApplication {
public static void main(String[] args) {
ConfigurableApplicationContext count = SpringApplication.run(SpringbootDubboApplication.class, args);
ServiceAPI impl = (ServiceAPI)count.getBean("consumerImpl");
// System.out.println(impl.getMessage("Hello dubbo"));
System.out.println(impl.getTheFeibN(10));
}
}Port conflict change
You can modify the port number of either provider or consumer
Modify the port number of the consumer running here:
step5 Run
First run the provider, then run the consumer
Result:
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