Spring Boot 1: Create a Spring boot project using idea

The environment in which the project is used:

• Windows 10
• JDK8
• IntelliJ Idea 2017.1.3
• Apache Tomcat 8
• Maven 3.3.3

Create a new spring boot project using idea new project

Select the spring Initializer type.

Fill in the relevant project information

Select Denpendcy

Next, select the web.

Select Path

Next, select the project path, click Finish

The file directory structure of the newly completed project is as follows:

First Spring Boot Project

The Pom.xml is as follows:

    <dependencies>        <dependency>            <groupid>org.springframework.boot</ groupid>            <artifactid>spring-boot-starter-web<groupid>org.springframework.boot  <artifactid>spring-boot-starter-test<scope>test</dependencies>   

Where Spring-boot-starter-web is a Web-enabled module, Spring-boot-starter-test is a module that supports testing.

Add a helloworldcontroller as follows:

Org.springframework.web.bind.annotation.RequestMapping;  Org.springframework.web.bind.annotation.RestController;  @RestController@RequestMapping("/"index"Hello World"}}   

@RestController means that the methods inside are output in JSON format, eliminating the need to add additional JSON configurations.

Start the program

Click SHIFT + F10 or click Run, and when the project starts successfully, visit http://localhost:8080

That means the first spring boot project started successfully.

Spring Boot 1: Create a Spring boot project using idea