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spring-boot-demo-helloworld

Runing spring boot demo helloworld

 $ mvn spring-boot:run

本 demo 演示如何使用 Spring Boot 写一个hello world

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<artifactId>spring-boot-demo-helloworld</artifactId>
	<version>1.0.0-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>spring-boot-demo-helloworld</name>
	<description>Demo project for Spring Boot</description>

	<parent>
		<groupId>com.xkcoding</groupId>
		<artifactId>spring-boot-demo</artifactId>
		<version>1.0.0-SNAPSHOT</version>
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>cn.hutool</groupId>
			<artifactId>hutool-all</artifactId>
		</dependency>
	</dependencies>

	<build>
		<finalName>spring-boot-demo-helloworld</finalName>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

</project>

SpringBootDemoHelloworldApplication.java

/**
 * <p>
 * SpringBoot启动类
 * </p>
 *
 * @author yangkai.shen
 * @date Created in 2018-09-28 14:49
 */
@SpringBootApplication
@RestController
public class SpringBootDemoHelloworldApplication {

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

	/**
	 * Hello,World
	 *
	 * @param who 参数,非必须
	 * @return Hello, ${who}
	 */
	@GetMapping("/hello")
	public String sayHello(@RequestParam(required = false, name = "who") String who) {
		if (StrUtil.isBlank(who)) {
			who = "World";
		}
		return StrUtil.format("Hello, {}!", who);
	}
}

application.yml

server:
  port: 8080
  servlet:
    context-path: /demo