eclipse+maven+springboot小Demo

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1、eclipse创建maven项目springbootstudy，创建成功后如图项目目录

File->other(ctrl+N)->maven项目->next下去

2、编写pom.xml文件

<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>springboot</groupId>  <artifactId>springbootstudy</artifactId>  <version>0.0.1-SNAPSHOT</version>  <packaging>jar</packaging>  <name>springbootstudy</name>  <url>http://maven.apache.org</url><!-- spring boot 父节点依赖,引入这个之后相关的引入就不需要添加version配置，spring boot会自动选择最合适的版本进行添加。 --><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.4.0.RELEASE</version></parent>  <properties>    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>    <java.version>1.7</java.version>  </properties>  <dependencies>  <!--   spring-boot-starter-web: MVC,AOP的依赖包....  -->  <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web --><dependency>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-starter-web</artifactId></dependency><dependency>    <groupId>org.apache.maven.plugins</groupId>    <artifactId>maven-resources-plugin</artifactId>    <version>2.4.3</version></dependency>    <dependency>      <groupId>junit</groupId>      <artifactId>junit</artifactId>      <scope>test</scope>    </dependency>  </dependencies>  <!-- 构建节点. --><build><plugins><!-- 在这里添加springloader plugin<plugin>          <groupId>org.springframework.boot</groupId>          <artifactId>spring-boot-maven-plugin </artifactId>          <dependencies>             <dependency>                 <groupId>org.springframework</groupId>                 <artifactId>springloaded</artifactId>                 <version>1.2.4.RELEASE</version>           </dependency>          </dependencies>          <executions>             <execution>                 <goals>                     <goal>repackage</goal>                 </goals>                 <configuration>                     <classifier>exec</classifier>                 </configuration>             </execution>         </executions></plugin> --><!-- 这是spring boot devtool plugin --><plugin>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-maven-plugin</artifactId>            <configuration>          <!--fork :  如果没有该项配置，肯呢个devtools不会起作用，即应用不会restart -->                <fork>true</fork>            </configuration>        </plugin></plugins></build></project>

3、创建编写控制类

package springboot.springbootstudy;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;@RestControllerpublic class HelloController {/** * 在这里我们使用@RequestMapping 建立请求映射: http://127.0.0.1:8080/hello *  * @return */@RequestMapping("/hello")public String hello() {return "你好springboot";}}

4、编写启动类：使用@SpringBootApplication指定这是一个 spring boot的应用程序.

package springboot.springbootstudy;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplicationpublic class App {public static void main(String[] args) {/* * 在main方法进行启动我们的应用程序. */SpringApplication.run(App.class, args);}}

4、启动服务测试应用

A、执行App类的main方法或 F11

B、利用http://127.0.0.1:8080/hello在浏览器访问测试

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