spring-boot essays 1 --- start of the project

When using the idea:

1. Create a new project:

File-->new --->project-->spring initializr

Next:

Modify group (own package path) and artifact (project name)

When the web started the project, so select web check web strarter -> next

Fill in the path to save the file:

main directory into the src, run the program: Right-click on Run Run 

Create a hello controller:

 

Run the program: visit localhost: 8080 / hello

Here are two other ways to start spring-boot:

By maven:

mvn sprint-boot:run

By jar package (the deployment):

First by maven package (packaged in the same directory src)

mvn clean package

Enter the target directory:

java -jar  java -jar demo-0.0.1-SNAPSHOT.jar 

Access localhost: 8080 / hello