Springboot入门项目

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项目是用Maven创建的

Pom.xml文件

<?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>         <groupId>com.ycb.spring_boot_demo01</groupId>      <artifactId>spring_boot_demo01</artifactId>      <version>0.0.1-SNAPSHOT</version>             <properties>          <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>      </properties>         <!-- spring boot 基本环境 -->      <parent>          <groupId>org.springframework.boot</groupId>          <artifactId>spring-boot-starter-parent</artifactId>          <version>1.3.1.RELEASE</version>      </parent>          <!--web应用基本环境配置 -->      <dependencies>          <dependency>              <groupId>org.springframework.boot</groupId>              <artifactId>spring-boot-starter-web</artifactId>          </dependency>      </dependencies>         <!-- 打包spring boot应用 -->      <build>          <plugins>              <plugin>                  <groupId>org.springframework.boot</groupId>                  <artifactId>spring-boot-maven-plugin</artifactId>              </plugin>          </plugins>      </build>     </project>

创建一个Application启动类

package com.springboot;     import org.springframework.boot.SpringApplication;  import org.springframework.boot.autoconfigure.SpringBootApplication;     /**  * springboot 已经启动内嵌的是tomcat 默认的端口是8080  *   *   * @author summer *  */  //@SpringBootApplication相当于@Configuration、@EnableAutoConfiguration和  @ComponentScan  @SpringBootApplication  public class Application    {      public static void main( String[] args )      {          SpringApplication.run(Application.class, args);      }  }

运行此类main方法

spring boot 就启动了，spring boot 内嵌了tomcat 默认是8080 端口

访问路径是根路径信息

创建一个简单的controller

@RestController  public class HelloWorldController {     　　       @RequestMapping("/index/{name}")      @ResponseBody      public String index(@PathVariable String name){                     if(null==name){              name="boy";          }                     return "hello world" +name;      }                }

重新运行Application的main方法在浏览器访问 http://localhost/index/张三

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