1.新建一个springboot初始化项目
2.输入自己的包名,项目名及jdk版本,再点击Next
3.勾选Spring Web,再点击Next
4.再点击Next,再Finish 默认的项目结构如下图
(1)修改pom.xml文件
完整的pom.xml为:
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.4.5</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.zou</groupId>
<artifactId>springboot_demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springboot_demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
</dependency>
<!--引入热部署依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
<!--引入lombok组件-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.16</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
</project>
(2)新建一个ControllerDemo类
ControllerDemo的代码如下
package com.zou.controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class ControllerDemo {
@RequestMapping("/demo")
public String demo(){
return "小邹太帅了";
}
}
注:springBoot启动程序的目录一定要在controller等目录的至少上一级,或者在SpringBootApplication 注解中添加属性:
@SpringBootApplication(scanBasePackages = {"com.zou.controller"})
(3)在application.properties中修改端口号
server.port=8081
(4)测试
(5)打开浏览器,访问http://localhost:8081/demo,因为在之前的ControllerDemo里面配置的访问路径为/demo
(6)到这里第一个springboot开发web的入门程序就完成了。
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