目录
下载包
配置
修改文件
pom.xml
application.properties
创建文件
HelloApi.java
GreetingController.java
Greeting.java
DemoApplication.java
运行包
运行命令
mvn package
cd target
dir
java -jar demo-0.0.1-SNAPSHOT.jar
浏览器测试结果
下载包
打开网址
https://start.spring.io/
根据图片内容选择相应的版本语言等等
选择需要的包
创建demo，下载后解压到之前的文件夹下
配置
修改文件
pom.xml
修改demo文件夹下的target文件夹下的pom.xml文件（修改maven、springframework、springboot、mybatis、mysql的版本为自己电脑上的版本）
<?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>2.6.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>edu.xaufe</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.2.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter-test</artifactId>
<version>2.2.2</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<image>
<builder>paketobuildpacks/builder-jammy-base:latest</builder>
</image>
</configuration>
</plugin>
</plugins>
</build>
</project>
application.properties
修改application.properties位置如下：
server.port=8088
spring.thymeleaf.cache=false
spring.datasource.name=newbee-mall-datasource
spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/newbee_mall_db_v2?useUnicode=true&serverTimezone=Asia/Shanghai&characterEncoding=utf8&autoReconnect=true&useSSL=false&allowMultiQueries=true
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.hikari.minimum-idle=5
spring.datasource.hikari.maximum-pool-size=15
spring.datasource.hikari.auto-commit=true
spring.datasource.hikari.idle-timeout=30000
spring.datasource.hikari.pool-name=hikariCP
spring.datasource.hikari.max-lifetime=600000
spring.datasource.hikari.connection-timeout=30000
spring.datasource.hikari.connection-test-query=SELECT 1
# mybatis config
mybatis.mapper-locations=classpath:mapper/*Mapper.xml
# logging.level.ltd.newbee.mall.dao=debug创建文件
HelloApi.java
//HelloApi.java
package edu.xaufe.demo.api;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HelloApi {
@GetMapping("/name")
public String hello( @RequestParam(value = "name", defaultValue = "World") String name) {
return String.format("Hello %s!", name);
}
}
GreetingController.java
//GreetingController.java
package edu.xaufe.demo.api;
import edu.xaufe.demo.entity.Greeting;
import java.util.concurrent.atomic.AtomicLong;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class GreetingController {
private static final String template = "Hello, %s!";
private final AtomicLong counter = new AtomicLong();
@GetMapping("/greeting")
public Greeting greeting(@RequestParam(value = "name", defaultValue = "World") String name) {
return new Greeting(counter.incrementAndGet(), String.format(template, name));
}
}Greeting.java
//Greeting.java
package edu.xaufe.demo.entity;
import java.util.Objects;
public class Greeting {
private long id;
private String content;
public Greeting(long id, String content) {
this.id = id;
this.content = content;
}
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Greeting greeting = (Greeting) o;
return id == greeting.id && Objects.equals(content, greeting.content);
}
@Override
public int hashCode() {
return Objects.hash(id, content);
}
}
DemoApplication.java
//DemoApplication.java
package edu.xaufe.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication //@符号称为注解
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
运行包
demo安装目录下打开终端
运行命令
mvn package
构建运行程序
cd target
(切换到target目录文件夹下)
dir
（显示文件）
java -jar demo-0.0.1-SNAPSHOT.jar
启动文件
浏览器测试结果
网址：http://127.0.0.1:8088/greeting
运行成功
