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idea2025构建springboot项目能运行的样例

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idea2025构建springboot项目能运行的样例

先创建一个swaggerdemo项目，选择maven,这里使用maven3.9.6，java选择17，jar和war随便选，需要安装lombok插件.

pom.xml文件如下

<?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/4.0.0http://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>2.7.18</version><relativePath/></parent><groupId>com.example</groupId><artifactId>swaggerdemo</artifactId><version>0.0.1-SNAPSHOT</version><name>swaggerdemo</name><description>Swagger Demo Project</description><properties><java.version>17</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!-- OpenAPI (Swagger) --><dependency><groupId>org.springdoc</groupId><artifactId>springdoc-openapi-ui</artifactId><version>1.7.0</version></dependency><!-- MySQL驱动 --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>8.0.33</version></dependency><!-- MyBatis Plus --><dependency><groupId>com.baomidou</groupId><artifactId>mybatis-plus-boot-starter</artifactId><version>3.5.3.1</version></dependency><!-- Lombok --><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></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><configuration><excludes><exclude><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></exclude></excludes></configuration></plugin></plugins></build>
</project>

application.properties

spring.application.name=swaggerdemo# 数据库配置
spring.datasource.url=jdbc:mysql://localhost:3306/testdb?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver# MyBatis Plus配置
mybatis-plus.configuration.map-underscore-to-camel-case=true
mybatis-plus.global-config.db-config.logic-delete-value=1
mybatis-plus.global-config.db-config.logic-not-delete-value=0
mybatis-plus.mapper-locations=classpath*:/mapper/**/*.xml# OpenAPI配置
springdoc.api-docs.path=/api-docs
springdoc.swagger-ui.path=/swagger-ui.html

OpenAPIConfig

package com.example.swaggerdemo.config;import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.info.Contact;
import io.swagger.v3.oas.models.info.Info;
import io.swagger.v3.oas.models.info.License;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;@Configuration
public class OpenAPIConfig {@Beanpublic OpenAPI customOpenAPI() {return new OpenAPI().info(new Info().title("Swagger Demo API").version("1.0").description("Swagger Demo 项目接口文档").contact(new Contact().name("Developer").email("developer@example.com").url("http://localhost:8080")).license(new License().name("Apache 2.0").url("http://springdoc.org")));}
}

AuthController

package com.example.swaggerdemo.controller;import com.example.swaggerdemo.dto.LoginRequest;
import com.example.swaggerdemo.dto.LoginResponse;
import com.example.swaggerdemo.entity.User;
import com.example.swaggerdemo.service.UserService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;@RestController
@RequestMapping("/api/auth")
@Tag(name = "认证接口", description = "用户认证相关接口")
public class AuthController {@Autowiredprivate UserService userService;@PostMapping("/login")@Operation(summary = "用户登录", description = "用户登录接口")@ApiResponses({@ApiResponse(responseCode = "200", description = "登录成功"),@ApiResponse(responseCode = "401", description = "用户名或密码错误")})public LoginResponse login(@RequestBody LoginRequest loginRequest) {LoginResponse response = new LoginResponse();// 使用 UserService 中调用 XML SQL 的方法boolean loginSuccess = userService.login(loginRequest.getUsername(), loginRequest.getPassword());if (loginSuccess) {response.setSuccess(true);response.setMessage("登录成功");response.setToken("fake-jwt-token");} else {response.setSuccess(false);response.setMessage("用户名或密码错误");}return response;}// 添加一个获取用户信息的示例接口@GetMapping("/user/{username}")@Operation(summary = "根据用户名获取用户信息", description = "根据用户名获取用户详细信息")@ApiResponses({@ApiResponse(responseCode = "200", description = "获取成功"),@ApiResponse(responseCode = "404", description = "用户不存在")})public User getUserByUsername(@PathVariable String username) {// 使用 UserService 调用 XML 中定义的 findByUsername 方法return userService.findByUsername(username);}@GetMapping("/user")@Operation(summary = "获取所有用户", description = "获取所有用户接口")@ApiResponses({@ApiResponse(responseCode = "200", description = "获取成功"),@ApiResponse(responseCode = "404", description = "获取失败")})public List<User> getAllUsers() {// 使用 UserService 调用 XML 中定义的 findByUsername 方法return userService.selectAllUsers();}
}

LoginRequest

package com.example.swaggerdemo.dto;import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;@Data
@Schema(name = "登录请求参数")
public class LoginRequest {@Schema(description = "用户名", example = "admin", required = true)private String username;@Schema(description = "密码", example = "123456", required = true)private String password;
}

LoginResponse

package com.example.swaggerdemo.dto;import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;@Data
@Schema(name = "登录响应结果")
public class LoginResponse {@Schema(description = "是否登录成功")private Boolean success;@Schema(description = "消息")private String message;@Schema(description = "token")private String token;
}

User

package com.example.swaggerdemo.entity;import com.baomidou.mybatisplus.annotation.*;
import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;
import java.time.LocalDateTime;@Data
@TableName("user")
@Schema(name = "用户实体")
public class User {@TableId(value = "id", type = IdType.AUTO)@Schema(description = "用户ID")private Long id;@Schema(description = "用户名")private String username;@Schema(description = "密码")private String password;@Schema(description = "邮箱")private String email;@TableField(fill = FieldFill.INSERT)@Schema(description = "创建时间")private LocalDateTime createTime;@TableField(fill = FieldFill.INSERT_UPDATE)@Schema(description = "更新时间")private LocalDateTime updateTime;@TableLogic@Schema(description = "删除标志(0:未删除, 1:已删除)")private Integer deleted;
}

UserMapper

package com.example.swaggerdemo.mapper;import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.example.swaggerdemo.entity.User;
import org.apache.ibatis.annotations.Param;import java.util.List;public interface UserMapper extends BaseMapper<User> {/*** 根据用户名查找用户* @param username 用户名* @return 用户对象*/User findByUsername(@Param("username") String username);/*** 用户登录验证* @param username 用户名* @param password 密码* @return 用户对象*/User login(@Param("username") String username, @Param("password") String password);/*** 查询所有未删除用户* @return 用户列表*/List<User> selectAllUsers();/*** 根据ID查询用户* @param id 用户ID* @return 用户对象*/User selectById(@Param("id") Long id);/*** 插入用户* @param user 用户对象*/void insertUser(User user);/*** 更新用户信息* @param user 用户对象*/void updateUser(User user);/*** 逻辑删除用户* @param id 用户ID*/void deleteUser(@Param("id") Long id);
}

UserService

package com.example.swaggerdemo.service;import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.swaggerdemo.entity.User;
import com.example.swaggerdemo.mapper.UserMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;@Service
public class UserService extends ServiceImpl<UserMapper, User> {@Autowiredprivate UserMapper userMapper;/*** 根据用户名查找用户（使用XML中的SQL）* @param username 用户名* @return 用户对象*/public User findByUsername(String username) {return userMapper.findByUsername(username);}/*** 用户登录验证（使用XML中的SQL）* @param username 用户名* @param password 密码* @return 登录是否成功*/public boolean login(String username, String password) {User user = userMapper.login(username, password);return user != null;}public List<User> selectAllUsers() {return userMapper.selectAllUsers();}
}

SwaggerdemoApplication

package com.example.swaggerdemo;import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication
@MapperScan("com.example.swaggerdemo.mapper") // 确保扫描到mapper接口
public class SwaggerdemoApplication {public static void main(String[] args) {SpringApplication.run(SwaggerdemoApplication.class, args);}
}

resources\mapper\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.swaggerdemo.mapper.UserMapper"><!-- 通用查询结果映射 --><resultMap id="BaseResultMap" type="com.example.swaggerdemo.entity.User"><id column="id" property="id"/><result column="username" property="username"/><result column="password" property="password"/><result column="email" property="email"/><result column="create_time" property="createTime"/><result column="update_time" property="updateTime"/><result column="deleted" property="deleted"/></resultMap><!-- 通用查询字段 --><sql id="Base_Column_List">id, username, password, email, create_time, update_time, deleted</sql><!-- 根据用户名查询用户 --><select id="findByUsername" parameterType="string" resultMap="BaseResultMap">SELECT<include refid="Base_Column_List"/>FROM userWHERE username = #{username} AND deleted = 0</select><!-- 用户登录验证 --><select id="login" parameterType="map" resultMap="BaseResultMap">SELECT<include refid="Base_Column_List"/>FROM userWHERE username = #{username} AND password = #{password} AND deleted = 0</select><!-- 查询所有未删除用户 --><select id="selectAllUsers" resultMap="BaseResultMap">SELECT<include refid="Base_Column_List"/>FROM userWHERE deleted = 0ORDER BY create_time DESC</select><!-- 根据ID查询用户 --><select id="selectById" parameterType="long" resultMap="BaseResultMap">SELECT<include refid="Base_Column_List"/>FROM userWHERE id = #{id} AND deleted = 0</select><!-- 插入用户 --><insert id="insertUser" parameterType="com.example.swaggerdemo.entity.User">INSERT INTO user(username, password, email, create_time, update_time)VALUES (#{username}, #{password}, #{email}, NOW(), NOW())</insert><!-- 更新用户信息 --><update id="updateUser" parameterType="com.example.swaggerdemo.entity.User">UPDATE user<set><if test="username != null and username != ''">username = #{username},</if><if test="password != null and password != ''">password = #{password},</if><if test="email != null and email != ''">email = #{email},</if>update_time = NOW()</set>WHERE id = #{id} AND deleted = 0</update><!-- 逻辑删除用户 --><update id="deleteUser" parameterType="long">UPDATE userSET deleted = 1, update_time = NOW()WHERE id = #{id}</update></mapper>

SQL

CREATE TABLE `user` (`id` bigint NOT NULL AUTO_INCREMENT COMMENT '用户ID',`username` varchar(50) NOT NULL COMMENT '用户名',`password` varchar(100) NOT NULL COMMENT '密码',`email` varchar(100) DEFAULT NULL COMMENT '邮箱',`create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`update_time` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',`deleted` int DEFAULT '0' COMMENT '删除标志(0:未删除, 1:已删除)',PRIMARY KEY (`id`),UNIQUE KEY `uk_username` (`username`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;-- 插入测试数据
INSERT INTO `user` (`username`, `password`, `email`) VALUES 
('admin', '123456', 'admin@example.com'),
('user1', 'password1', 'user1@example.com');

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