springboot学习笔记

使用maven建立普通的maven jar项目
1配置pom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>cn.ps</groupId>
  <artifactId>STRINGBOOT</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  	<parent> <!--集成springboot的父项目 统一进行版本管理-->
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.17.RELEASE</version>
    </parent>
    <dependencies>
    		 <dependency>
		        <groupId>org.springframework.boot</groupId>
		        <artifactId>spring-boot-starter-web</artifactId>
	    </dependency>
    </dependencies>

写一个简单的Hello World

package cm.ps;
import java.util.HashMap;

import org.springframework.beans.factory.annotation.Autowired;
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;
@RestController
@SpringBootApplication
public class Example {
  
  @RequestMapping("/")
  String home() {
      return "Hello World!";
  }
  @RequestMapping("/j")
  HashMap home1() {
  	HashMap map=new  HashMap();
  	map.put(1, "张三");
      return map;
  }
  public static void main(String[] args) throws Exception {
      SpringApplication.run(Example.class, args);
  }