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; /** * @author: 邹祥发 * @date: 2021/4/19 17:12 * 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"}) */ @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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