看了我的mybatis-plus用法，同事也开始悄悄模仿了 上

<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-boot-starter</artifactId>
    <version>3.5.0</version>
</dependency>

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.27</version>
</dependency>

<!-- mybatis-plus 多数据源 -->
<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>dynamic-datasource-spring-boot-starter</artifactId>
    <version>3.5.0</version>
</dependency>

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
@EnableDiscoveryClient
@MapperScan(\"com.wjbgn.user.mapper\")
@SpringBootApplication
public class RobNecessitiesUserApplication {
    public static void main(String[] args) {
        SpringApplication.run(RobNecessitiesUserApplication.class, args);
    }
}

spring:
  datasource:
    dynamic:
      primary: master #设置默认的数据源或者数据源组,默认值即为master
      strict: false #严格匹配数据源,默认false. true未匹配到指定数据源时抛异常,false使用默认数据源
      datasource:
        master:
          url: jdbc:mysql://127.0.0.1:3306/rob_necessities?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone =Asia/Shanghai
          username: root
          password: 123456
        slave_1:
          url: jdbc:mysql://127.0.0.1:3306/rob_necessities?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone =Asia/Shanghai
          username: root
          password: 123456

spring:
  datasource:
    dynamic:
      hikari:
        max-lifetime: 1800000
        connection-timeout: 5000
        idle-timeout: 3600000
        max-pool-size: 12
        min-idle: 4
        connection-test-query: /**ping*/

@TableName(value = \"user\")
public class UserDO {
    /**
     * 主键
     */
    @TableId(value = \"id\", type = IdType.AUTO)
    private Long id;
    /**
     * 昵称
     */
    @TableField(\"nickname\")
    private String nickname;
    /**
     * 真实姓名
     */
    private String realName;
}

@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE, ElementType.ANNOTATION_TYPE})
public @interface TableName {
    /**
     * 实体对应的表名
     */
    String value() default \"\";
    /**
     * schema
     *
     * @since 3.1.1
     */
    String schema() default \"\";
    /**
     * 是否保持使用全局的 tablePrefix 的值
     * <p> 只生效于 既设置了全局的 tablePrefix 也设置了上面 {@link #value()} 的值 </p>
     * <li> 如果是 false , 全局的 tablePrefix 不生效 </li>
     *
     * @since 3.1.1
     */
    boolean keepGlobalPrefix() default false;
    /**
     * 实体映射结果集,
     * 只生效与 mp 自动注入的 method
     */
    String resultMap() default \"\";
    /**
     * 是否自动构建 resultMap 并使用,
     * 只生效与 mp 自动注入的 method,
     * 如果设置 resultMap 则不会进行 resultMap 的自动构建并注入,
     * 只适合个别字段 设置了 typeHandler 或 jdbcType 的情况
     *
     * @since 3.1.2
     */
    boolean autoResultMap() default false;
    /**
     * 需要排除的属性名
     *
     * @since 3.3.1
     */
    String[] excludeProperty() default {};
}

@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.ANNOTATION_TYPE})
public @interface TableId {
    /**
     * 字段值（驼峰命名方式，该值可无）
     */
    String value() default \"\";
    /**
     * 主键ID
     * {@link IdType}
     */
    IdType type() default IdType.NONE;
}

import com.baomidou.mybatisplus.extension.service.IService;
import com.wjbgn.user.entity.UserDO;
/**
 * @description： 用户服务接口
 * @author：weirx
 * @date：2022/1/17 15:02
 * @version：3.0
 */
public interface IUserService extends IService<UserDO> {
}

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.wjbgn.user.entity.UserDO;
import com.wjbgn.user.mapper.UserMapper;
import com.wjbgn.user.service.IUserService;
/**
 * @description： 用户接口实现
 * @author：weirx
 * @date：2022/1/17 15:03
 * @version：3.0
 */
public class UserServiceImpl extends ServiceImpl<UserMapper, UserDO> implements IUserService {
}

/**
 * @description： 用户mapper
 * @author：weirx
 * @date：2022/1/17 14:55
 * @version：3.0
 */
@Mapper
public interface UserMapper extends BaseMapper<UserDO> {
}

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
@MapperScan(\"com.wjbgn.*.mapper*\")
public class MybatisPlusConfig {
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }
}

mybatis-plus:
  global-config:
    db-config:
      logic-delete-field: isDelete # 全局逻辑删除的实体字段名(since 3.3.0,配置后可以忽略不配置步骤2)
      logic-delete-value: 1 # 逻辑已删除值(默认为 1)
      logic-not-delete-value: 0 # 逻辑未删除值(默认为 0)

@TableLogic
private Integer isDelete;

import com.baomidou.mybatisplus.annotation.IEnum;
import com.fasterxml.jackson.annotation.JsonFormat;
/**
 * @description： 性别枚举
 * @author：weirx
 * @date：2022/1/17 16:26
 * @version：3.0
 */
@JsonFormat(shape = JsonFormat.Shape.OBJECT)
public enum SexEnum implements IEnum<Integer> {
    MAN(1, \"男\"),
    WOMAN(2, \"女\");
    private Integer code;
    private String name;
    SexEnum(Integer code, String name) {
        this.code = code;
        this.name = name;
    }
    @Override
    public Integer getValue() {
        return code;
    }
    public String getName() {
        return name;
    }
}