一、介绍tidb

TiDB 是一款定位于在线事务处理/在线分析处理（ HTAP: Hybrid Transactional/Analytical Processing）的融合型数据库产品，实现了一键水平伸缩，强一致性的多副本数据安全，分布式事务，实时 OLAP 等重要特性。同时兼容 MySQL 协议和生态，迁移便捷，运维成本极低。

官网：https://pingcap.com/

二、使用docker安装tidb

1、修改docker镜像源

2、安装部署命令
2.1、下载docker-compose

git clone https://github.com/pingcap/tidb-docker-compose.git

2.2、获取最新镜像

docker-compose pull 

2.3、执行并运行

docker-compose up -d

2.4、测试

mysql -h 127.0.0.1 -P 4000 -u root 

2.5、监控

2.6、查看数据库

三、springboot集成tidb

项目结构

依赖

<?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>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.4.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.xxxx</groupId>
    <artifactId>tidb</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>tidb</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

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

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.0</version>
        </dependency>

        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.2.0</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

配置文件

spring.datasource.url=jdbc:mysql://192.168.1.104:4000/test_one?useUnicode=true&characterEncoding=utf-8&&useOldAliasMetadataBehavior=true&useSSL=false
spring.datasource.username=root
spring.datasource.password=
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

server.port=7009

mybatis.mapper-locations:classpath:mapper/*.xml
#配置模型路径
mybatis.type-aliases-package=com.

# Hikari will use the above plus the following to setup connection pooling
##  Hikari 连接池配置 ------ 详细配置请访问：https://github.com/brettwooldridge/HikariCP
spring.datasource.type=com.zaxxer.hikari.HikariDataSource
## 最小空闲连接数量
spring.datasource.hikari.minimum-idle=5
## 连接池最大连接数
spring.datasource.hikari.maximum-pool-size=15
## 空闲连接存活最大时间，默认600000（10分钟）
spring.datasource.hikari.idle-timeout=180000
## 此属性控制从池返回的连接的默认自动提交行为,默认值：true
spring.datasource.hikari.auto-commit=true
## 连接池母子
spring.datasource.hikari.pool-name=MyHikariCP
## 此属性控制池中连接的最长生命周期，值0表示无限生命周期，默认1800000即30分钟
spring.datasource.hikari.max-lifetime=1800000
# 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
spring.datasource.time-between-eviction-runs-millis=18800
## 数据库连接超时时间,默认30秒，即30000
spring.datasource.hikari.connection-timeout=30000
spring.datasource.hikari.connection-test-query=SELECT 1

代码

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class IndexController {

    @Autowired
    private UserService userService;

    @GetMapping("/v1/user")
    public Object getList(){
        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("name", "测试");
        return userService.selectList(queryWrapper);
    }
}

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class TidbApplication {

    public static void main(String[] args) {
        SpringApplication.run(TidbApplication.class, args);
    }

}

import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;

@TableName("user")
public class User {

    @TableId(type = IdType.AUTO)
    private Integer id;

    private String name;

    private Integer age;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }
}

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Repository;

@Repository
@Mapper
public interface UserService extends BaseMapper<User> {
}

结果