SpringBoot安装起步，第一个Demo

妖狐艹你老母 2022-06-15 12:19 226阅读 0赞

首先准备环境，IntelliJ IDEA 这个编辑器真不错，之前我一直使用eclipse，第一次使用这个编辑器来写项目，感觉还不错。

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创建完毕之后的结构

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点击pom.xml文件打开：

<?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>SpringBootDemo</groupId>
        <artifactId>SpringBootDemo</artifactId>
        <version>1.0-SNAPSHOT</version>
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>1.2.5.RELEASE</version>
        </parent>
        <properties>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <java.version>1.7</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>

写入要加载的jar包点击导入即可，下载时间可能有点长。

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Application.java

package com; /**
     * Created by Administrator on 2017/6/1.
     */
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    
    @SpringBootApplication
    public class Application {
    
        public static void main(String[] args) {
            SpringApplication.run(Application.class, args);
        }
    
    }

HelloController.java

package com.demo.controller;
    
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    /**
     * Created by Administrator on 2017/6/1.
     */
    
    @RestController
    @RequestMapping("/hello")
    public class HelloController {
    
        @RequestMapping("/index")
        public String index() {
            return "Hello World";
        }
    
    }

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访问：http://localhost:8080/hello/index

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SpringBoot安装，运行已经结束，还是比较不错的一个框架，写的代码很少，去除了繁琐的xml配置，很清爽。

[Center]: /images/20220615/40d83171b3c544c5b2796824a710836a.png
[Center 1]: /images/20220615/1c12467f8301494ab7e92200fadc5749.png
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[Center 5]: /images/20220615/82ca83cdd8a34bfeb4111f428d8a7e2f.png