spring-boot

基本配置：
pom.xml:

点击查看代码

<?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>
    <!--boot 工程的父工程，用于管理起步依赖的版本-->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>3.1.12</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.vivy</groupId>
    <artifactId>springboot-quickstart</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>springboot-quickstart</name>
    <description>springboot-quickstarpom.xml:t</description>
    <url/>
    <licenses>
        <license/>
    </licenses>
    <developers>
        <developer/>
    </developers>
    <scm>
        <connection/>
        <developerConnection/>
        <tag/>
        <url/>
    </scm>
    <properties>
        <java.version>21</java.version>
    </properties>
    <dependencies>

        <!--mysql 驱动依赖-->
        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
        </dependency>

        <!--mybatis-plus 依赖-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.5.10.1</version>
        </dependency>

        <!--web 起步依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!--代码生成器 依赖-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-generator</artifactId>
            <version>3.4.1</version>
        </dependency>
        <dependency>
            <groupId>org.freemarker</groupId>
            <artifactId>freemarker</artifactId>
            <version>2.3.30</version>
        </dependency>
        <dependency>
            <groupId>com.spring4all</groupId>
            <artifactId>spring-boot-starter-swagger</artifactId>
            <version>1.5.1.RELEASE</version>
        </dependency>

        <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>
            </plugin>
        </plugins>
    </build>

</project>

application.yml:

点击查看代码

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/old?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
    username: root
    password: 123456

基本结构：

UserController：

点击查看代码

package com.vivy.controller;


import com.vivy.entity.User;
import com.vivy.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
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;

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author vivy
 * @since 2025-02-19
 */
@RestController
@RequestMapping("/user")
public class UserController {

}

User:

点击查看代码

package com.vivy.entity;

import java.io.Serializable;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
import lombok.EqualsAndHashCode;

/**
 * <p>
 * 
 * </p>
 *
 * @author vivy
 * @since 2025-02-19
 */
@Data
@EqualsAndHashCode(callSuper = false)
@ApiModel(value="User对象", description="")
public class User implements Serializable {

    private static final long serialVersionUID = 1L;

    private String id;

    private String password;


}

UserMapper:

点击查看代码

package com.vivy.mapper;

import com.vivy.entity.User;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;

/**
 * <p>
 *  Mapper 接口
 * </p>
 *
 * @author vivy
 * @since 2025-02-19
 */
@Mapper
public interface UserMapper extends BaseMapper<User> {

}

UserMapper.xml:

点击查看代码

<?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.vivy.mapper.UserMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.vivy.entity.User">
        <result column="id" property="id" />
        <result column="password" property="password" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        id, password
    </sql>

</mapper>

UserService:

点击查看代码

package com.vivy.service;

import com.vivy.entity.User;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author vivy
 * @since 2025-02-19
 */
public interface UserService extends IService<User> {

}

UserServiceImpl:

点击查看代码

package com.vivy.service.impl;

import com.vivy.entity.User;
import com.vivy.mapper.UserMapper;
import com.vivy.service.UserService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.stereotype.Service;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author vivy
 * @since 2025-02-19
 */
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {

}