IntelliJ IDEA-Gradle-SpringBoot搭建

古城微笑少年丶 2023-10-03 22:29 16阅读 0赞

### 前提条件 ###

[IntelliJ IDEA-Gradle教学][IntelliJ IDEA-Gradle]

[Gradle-全局镜像配置和优先使用Maven][Gradle-_Maven]

将Gradle进行安装和配置

### 创建项目 ###

![image.png][]

![image.png][image.png 1]

### 配置项目设置 ###

指定自己的gradle的安装位置,以及仓库位置(用户主目录)

![image.png][image.png 2]  
用户主目录: **Gradle仓库目录**用于存储全局配置属性和初始化脚本以及缓存和日志文件。

### 结构 ###

![image.png][image.png 3]

### build.gradle ###

plugins {
        
        id 'java'
        id 'org.springframework.boot' version '2.7.7'
        id 'io.spring.dependency-management' version '1.0.15.RELEASE'
    }
    
    group = 'com.example'
    version = '0.0.1-SNAPSHOT'
    sourceCompatibility = '1.8'
    
    configurations {
        
        compileOnly {
        
            extendsFrom annotationProcessor
        }
    }
    
    repositories {
        
        mavenLocal()
        mavenCentral()
    
    }
    
    dependencies {
        
        implementation 'org.springframework.boot:spring-boot-starter-web'
        implementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter:2.3.0'
        compileOnly 'org.projectlombok:lombok'
        runtimeOnly 'com.mysql:mysql-connector-j'
        annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
        annotationProcessor 'org.projectlombok:lombok'
        testImplementation 'org.springframework.boot:spring-boot-starter-test'
    }
    
    tasks.named('test') {
        
        useJUnitPlatform()
    }

![image.png][image.png 4]

### 其他 ###

> application.yml

server:
      port: 9874
    
    spring:
      datasource:
        driver-class-name: com.mysql.cj.jdbc.Driver
        username: root
        password: root
        url: jdbc:mysql://127.0.0.1:3306/demo?characterEncoding=utf8&autoReconnect=true&failOverReadOnly=false&maxReconnects=10&useSSL=false
    
    mybatis:
      #1.classpath：只会到你的classes路径中查找找文件。
      #2.classpath*：不仅会到classes路径，还包括jar文件中(classes路径)进行查找。
      mapper-locations: classpath*:/mapper/**/*Mapper.xml    # mapper映射文件位置
      type-aliases-package: com.**.entity    # 实体类所在的位置
      configuration:
        log-impl: org.apache.ibatis.logging.stdout.StdOutImpl   #用于控制台打印sql语句
        map-underscore-to-camel-case: true #开启将带有下划线的表字段 映射为驼峰格式的实体类属性

> UserMapper.xml

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper  PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"  "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
    
    <mapper namespace="com.example.gradledemo.dao.UserDao">
      
      <select id="users" resultType="com.example.gradledemo.entity.UserEntity">
        SELECT * FROM t_user limit 10
      </select>
    
    
    </mapper>

> UserDao

package com.example.gradledemo.dao;
    
    import com.example.gradledemo.entity.UserEntity;
    import org.apache.ibatis.annotations.Mapper;
    import org.apache.ibatis.annotations.Select;
    import org.apache.ibatis.annotations.Update;
    
    import java.util.List;
    
    @Mapper
    public interface UserDao {
        
        @Select("select count(*) from t_user")
        String userCount();
    
        List<UserEntity> users();
    
        @Update("UPDATE t_user SET age=#{add} WHERE id=#{id}")
        Integer upDateAge(int add,int id);
    
        @Select("SELECT age  FROM t_user WHERE id=#{id}")
        Integer getdateAge(int id);
    
    }

> UserEntity

package com.example.gradledemo.entity;
    
    
    import lombok.*;
    
    import java.util.Date;
    import java.util.Objects;
    
    @Data
    public class UserEntity {
        
        private Long id;
        private String name;
        private String email;
        private String phone;
        private String password;
        private Integer age;
        private Integer sex;
        private Integer status;
        private Date creationTime;
        private String site;
    }

> UserController

package com.example.gradledemo.controller;
    
    import com.example.gradledemo.dao.UserDao;
    import com.example.gradledemo.entity.UserEntity;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.http.ResponseEntity;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import java.util.List;
    
    @RestController
    public class UserController {
        
    
        @Autowired
        private UserDao userDao;
        @GetMapping("/user")
        public ResponseEntity<List<UserEntity>> getUser(){
        
            return ResponseEntity.ok(userDao.users()) ;
        }
    
    }

> GradleDemoApplication

package com.example.gradledemo;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    
    @SpringBootApplication
    public class GradleDemoApplication {
        
    
        public static void main(String[] args) {
        
            SpringApplication.run(GradleDemoApplication.class, args);
        }
    
    }

![在这里插入图片描述][241d60d901ab468c8532f2a2d4413093.gif]

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[IntelliJ IDEA-Gradle]: https://www.yuque.com/huanmin-4bkaa/eeags4/115ec93d5a790c782bf53db8aab78ff1?view=doc_embed
[Gradle-_Maven]: https://www.yuque.com/huanmin-4bkaa/eeags4/0e17888488e37d76eace6b61a54d006d?view=doc_embed
[image.png]: https://img-blog.csdnimg.cn/img_convert/bf20a8e746a740ac3d0d29d4bc6d8d3f.png#averageHue=#f4f3f3&clientId=ua75aeeaf-f225-4&crop=0&crop=0&crop=1&crop=1&from=paste&height=777&id=uc4abc668
[image.png 1]: https://img-blog.csdnimg.cn/img_convert/6fff4b74fadc669f2e15d65b2aaf9ebb.png#averageHue=#f7f6f6&clientId=ua75aeeaf-f225-4&crop=0&crop=0&crop=1&crop=1&from=paste&height=777&id=u60cf6673
[image.png 2]: https://img-blog.csdnimg.cn/img_convert/ceccc52303970def2fbaadb8a19be33e.png#averageHue=#c29d68&clientId=ua75aeeaf-f225-4&crop=0&crop=0&crop=1&crop=1&from=paste&height=713&id=u39aeb5a4
[image.png 3]: https://img-blog.csdnimg.cn/img_convert/93fddc578b35762a4b733fdca36a7e02.png#averageHue=#fcfbf8&clientId=ua75aeeaf-f225-4&crop=0&crop=0&crop=1&crop=1&from=paste&height=721&id=u01afcc74
[image.png 4]: https://img-blog.csdnimg.cn/img_convert/0c16637b22aac3f0d63e7e323119cd1e.png#averageHue=#fbfaf9&clientId=ua75aeeaf-f225-4&crop=0&crop=0&crop=1&crop=1&from=paste&height=577&id=u80b720db
[241d60d901ab468c8532f2a2d4413093.gif]: https://img-blog.csdnimg.cn/241d60d901ab468c8532f2a2d4413093.gif