1. 安装jdk 1.6+ , maven 3.2+
2. 创建maven项目
3. pom.xml修改如下
<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> <groupId>com.example</groupId> <artifactId>myproject</artifactId> <version>0.0.1-SNAPSHOT</version> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.2.RELEASE</version> </parent> <!-- Additional lines to be added here --> </project>
① spring-boot-starter-parent,提供很多有用的maven默认值
② spring-boot-starter-parent,提供了dependencyManagement,添加依赖时可以忽略version
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> </dependencies>
① spring-boot-starter-web,开发web应用所需依赖
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4. 编写代码
package com.example.myproject; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController @EnableAutoConfiguration public class Example { @RequestMapping("/") public String home() { return "Hello Spring Boot!"; } public static void main(String[] args) { SpringApplication.run(Example.class, args); } }
① @EnableAutoConfiguration,让Spring Boot根据类路径的jar包依赖为当前项目进行自动配置。
如:添加了spring-boot-starter-web依赖,会自动添加Tomcat和Spring MVC的依赖,那么Spring Boot会对Tomcat和Spring MVC 进行自动配置。
如:添加了spring-boot-starter-data-jpa依赖,Spring Boot会自动进行JPA相关的配置。
5. 启动程序
6. 创建可执行jar,pom.xml添加如下
<build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build>
7. maven生成jar包,控制台执行jar包
java -jar myproject-0.0.1-SNAPSHOT.jar 启动成功
8. 完整的pom.xml文件如下
<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> <groupId>com.example</groupId> <artifactId>myproject</artifactId> <version>0.0.1-SNAPSHOT</version> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.2.RELEASE</version> </parent> <!-- Additional lines to be added here --> <properties> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>