新建工程spring boot

新建工程spring boot

使用Maven管理，

在官网(http://atart.spring.io)下载demo后，加入依赖

<dependency>

         <groupId>org.springframework.bootgroupId>

         <artifactId>spring-boot-starter-tomcatartifactId>

      dependency>

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>4.0.0modelVersion>

   <groupId>com.examplegroupId>

   <artifactId>demoartifactId>

   <version>0.0.1-SNAPSHOTversion>

   <packaging>jarpackaging>

   <name>demoname>

   <description>Demo project for Spring Bootdescription>

   <parent>

      <groupId>org.springframework.bootgroupId>

      <artifactId>spring-boot-starter-parentartifactId>

      <version>1.5.1.RELEASEversion>

      <relativePath/> 

   parent>

   <properties>

      <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>

      <project.reporting.outputEncoding>UTF-8project.reporting.outputEncoding>

      <java.version>1.8java.version>

   properties>

   <dependencies>

      <dependency>

         <artifactId>spring-boot-starter-webartifactId>

         <artifactId>spring-boot-starter-testartifactId>

         <scope>testscope>

   dependencies>

   <build>

      <plugins>

         <plugin>

            <groupId>org.springframework.bootgroupId>

            <artifactId>spring-boot-maven-pluginartifactId>

         plugin>

      plugins>

   build>

project>

DemoApplication.java

package com.example;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

//@SpringBootApplication

//public class DemoApplication {

//

// public static void main(String[] args) {

//    SpringApplication.run(DemoApplication.class, args);

// }

//}

@SpringBootApplication

@RestController

public class DemoApplication {

   @RequestMapping("/")

   public String greeting() {

      return "Hello World!";

   }

   public static void main(String[] args) {

      SpringApplication.run(DemoApplication.class, args);

}

Just  run

在浏览器输入http://localhost:8080