IntelliJ IDEA-Gradle-SpringBoot搭建
前提条件
IntelliJ IDEA-Gradle教学
Gradle-全局镜像配置和优先使用Maven
将Gradle进行安装和配置
创建项目
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)
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
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()
}
其他
application.yml
server:port: 9874spring:datasource:driver-class-name: com.mysql.cj.jdbc.Driverusername: rootpassword: rooturl: jdbc:mysql://127.0.0.1:3306/demo?characterEncoding=utf8&autoReconnect=true&failOverReadOnly=false&maxReconnects=10&useSSL=falsemybatis:#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
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 10select>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 {@Autowiredprivate 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);}}
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