How to start the main function in springboot project

springboot project main function startup

Create a new appController class under the controller package

package controller;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.support.SpringBootServletInitializer;
@SpringBootApplication
public class appController extends SpringBootServletInitializer {
    public static void main(String[] args){
        SpringApplication.run(appController.class,args);
    }
    
    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
        return builder.sources(appController.class);
    }
}

Test:

New indexController

Create a new proController class

#Start the main function in the appController class

Browser input: localhost:8080 /proo

Browser input: localhost:8080/index

##Detailed explanation of SpringBoot main method

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

@SpringBootApplication

Enable springboot configuration annotation, project startup entry, used to start spring container, start tomcat, other packages must be in the same level directory or sub-package as this class

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