IDEA创建SpringBoot的五种方式_Java

1. idea直接从spring.io官网下创建

所有的springboot项目打包方式目前都是jar

目前没有办法创建1.8版本，进去可以改

17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>2.7.4</version>
      <relativepath/> <!-- lookup parent from repository -->
   </parent>
   <groupid>com.qcby</groupid>
   <artifactid>springbootdemo</artifactid>
   <version>0.0.1-snapshot</version>
   <name>springbootdemo</name>
   <description>demo project for spring boot</description>
   <properties>
      <java.version>8</java.version>
   </properties>
   <dependencies>
      <dependency>
         <groupid>org.springframework.boot</groupid>
         <artifactid>spring-boot-starter</artifactid>
      </dependency>
 
      <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>
   </dependencies>
 
   <build>
      <plugins>
         <plugin>
            <groupid>org.springframework.boot</groupid>
            <artifactid>spring-boot-maven-plugin</artifactid>
         </plugin>
      </plugins>
   </build>
 
</project>

下面将介绍idea21版本的创建方式（因为idea17版本的从阿里云官网创建有问题，所以idea17版本用的是三种方式<通过spring.io官网创建，从spring.io官网搭建下载压缩包，创建普通mavenjava项目后需要什么加什么>）

2. 走阿里云官网

因为这里要是勾选javaweb，创建的项目会多一些东西。所以不需要选择，直接创建好之后导入web依赖即可。

<?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>
    <groupid>com.qcby</groupid>
    <artifactid>springboot_aliyun_demo</artifactid>
    <version>0.0.1-snapshot</version>
    <name>springboot_aliyun_demo</name>
    <description>springboot_aliyun_demo</description>
    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceencoding>utf-8</project.build.sourceencoding>
        <project.reporting.outputencoding>utf-8</project.reporting.outputencoding>
        <spring-boot.version>2.7.4</spring-boot.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>
    </dependencies>
    <dependencymanagement>
        <dependencies>
            <dependency>
                <groupid>org.springframework.boot</groupid>
                <artifactid>spring-boot-dependencies</artifactid>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencymanagement>
 
</project>

springboot项目已经整合了tomcat

3. 从spring官网搭建下载

因为我的idea版本是21的，所以我选择21版本的，低版本容易不兼容报错。

直接idea打开，打开之后修改一下maven的路径，因为官网默认走的是默认的maven。

然后修改pom文件即可。

4. 从阿里云官网搭建下载

阿里云官网有jdk为1.8版本的，且依赖支持2.*版本的。

打开

修改pom文件即可。

<?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>
    <groupid>com.qcby</groupid>
    <artifactid>springboot_aliyun_demo2</artifactid>
    <version>0.0.1-snapshot</version>
    <name>springboot_aliyun_demo2</name>
    <description>demo project for spring boot</description>
    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceencoding>utf-8</project.build.sourceencoding>
        <project.reporting.outputencoding>utf-8</project.reporting.outputencoding>
        <spring-boot.version>2.7.4</spring-boot.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>
    </dependencies>
    <dependencymanagement>
        <dependencies>
            <dependency>
                <groupid>org.springframework.boot</groupid>
                <artifactid>spring-boot-dependencies</artifactid>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencymanagement>
 
 
 
</project>

5. 普通mavenjava项目

创建mavenjava项目

pom文件导入parent依赖以及spring-boot-start-web依赖

<?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>com.qcby</groupid>
    <artifactid>springboot_maven_demo</artifactid>
    <version>1.0-snapshot</version>
    <parent>
        <groupid>org.springframework.boot</groupid>
        <artifactid>spring-boot-starter-parent</artifactid>
        <version>2.7.4</version>
    </parent>
    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
    </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>
        </dependency>
    </dependencies>
</project>

创建测试类：

package com.qcby.springbootdemo;
 
import org.springframework.boot.springapplication;
import org.springframework.boot.autoconfigure.springbootapplication;
 
@springbootapplication
public class springbootdemo {
    public static void main(string[] args) {
        springapplication.run(springbootdemo.class,args);
    }
}

注意：

用17版本的访问阿里云的可能会有问题，用其他三种方式。

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