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client需要复制的文件

  • 引用
<!--mysql-->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.27</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus -->
<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-boot-starter</artifactId>
    <version>3.5.1</version>
</dependency>
<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <version>1.18.22</version>
</dependency>
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid</artifactId>
    <version>1.2.0</version>
</dependency>
  • MybatisPlusConfig
import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

import java.util.Date;

@Component
public class MybatisPlusConfig implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
        this.setFieldValByName("createTime", new Date(), metaObject);
        this.setFieldValByName("updateTime", new Date(), metaObject);
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        this.setFieldValByName("updateTime", new Date(), metaObject);
    }

    /**
     * 分页插件配置
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }
}
  • 数据库链接配置
spring:
  jackson:
    date-format: yyyy-MM-dd HH:mm:ss
  datasource:
    url: jdbc:mysql://localhost:3306/aj_report?characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&useSSL=false
    username: root
    password: root
  #数据源连接池配置
  druid:
    initial-size: 10 # 初始化时建立物理连接的个数。初始化发生在显示调用init方法,或者第一次getConnection时
    min-idle: 10 # 最小连接池数量
    maxActive: 200 # 最大连接池数量
    maxWait: 3000 # 获取连接时最大等待时间,单位毫秒。配置了maxWait之后,缺省启用公平锁,并发效率会有所下降,如果需要可以通过配置
    timeBetweenEvictionRunsMillis: 60000 # 关闭空闲连接的检测时间间隔.Destroy线程会检测连接的间隔时间,如果连接空闲时间大于等于minEvictableIdleTimeMillis则关闭物理连接。
    minEvictableIdleTimeMillis: 300000 # 连接的最小生存时间.连接保持空闲而不被驱逐的最小时间
    testWhileIdle: true # 申请连接时检测空闲时间,根据空闲时间再检测连接是否有效.建议配置为true,不影响性能,并且保证安全性。申请连接的时候检测,如果空闲时间大于timeBetweenEvictionRun
    poolPreparedStatements: true # 开启PSCache
    maxPoolPreparedStatementPerConnectionSize: 20 #设置PSCache值
    connectionErrorRetryAttempts: 3 # 连接出错后再尝试连接三次
    breakAfterAcquireFailure: true # 数据库服务宕机自动重连机制
    timeBetweenConnectErrorMillis: 300000 # 连接出错后重试时间间隔

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mybatis-plus 代码生成

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