实用的jdbc连接clickhouse数据库，以及用阿里巴巴连接池管理连接

1.添加相关的maven依赖

    4.0.0
    
        org.springframework.boot
        spring-boot-starter-parent
        2.6.4
         
    
    com.example
    clickhouse
    0.0.1-SNAPSHOT
    clickhouse
    clickhouse
    
        1.8
    
    
        
            org.springframework.boot
            spring-boot-starter
        

        
        
            ru.yandex.clickhouse
            clickhouse-jdbc
            0.3.1-patch
        

     
        
            com.alibaba
            druid
            1.2.6
        
       
        
            org.projectlombok
            lombok
        

        
            org.springframework.boot
            spring-boot-starter-test
            test
        
    

    
        
            
                org.springframework.boot
                spring-boot-maven-plugin
                
                    
                        paketobuildpacks/builder-jammy-base:latest
                    
                
            
        
    

2.编写相关的配置文件。

server:
  port: 8889





#clickhouse连接信息
com:
  example:
    clickhouse:
      driverClass:  ru.yandex.clickhouse.ClickhouseDriver
      host: jdbc://clickhouse://192.168.1.234:8123/system
      username: default
      password: admin

3.使用阿里巴巴连接池，进行clickhouse数据库连接。

package com.example.clickhouse.config;

import com.alibaba.druid.pool.DruidDataSource;
import lombok.Data;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;

/**
 * @className:@ClickhouseConfig
 * @Description:TODO
 * @Author:
 * @Version：1.0
 **/
@Configuration
@Data
public class ClickhouseConfig {

    private Logger logger = LoggerFactory.getLogger(ClickhouseConfig.class);

    @Value("${com.example.clickhouse.host}")
    private String host;
    @Value("${com.example.clickhouse.username}")
    private String username;
    @Value("${com.example.clickhouse.password}")
    private String password;
    @Value("${com.example.clickhouse.driverClass}")
    private String driverClass;

    @Bean
    public DataSource dataSource(){
        DruidDataSource druidDataSource = new DruidDataSource();
        druidDataSource.setUrl(host);
        druidDataSource.setDriverClassName(driverClass);
        druidDataSource.setUsername(username);
        druidDataSource.setPassword(password);
        druidDataSource.setInitialSize(15);
        logger.info("clickhouse数据库连接成功！");
        return  druidDataSource;
    }

}

4.如果运行代码提示下面信息，证明clickhouse数据库连接成功了。

"C:\Program Files\Java\jdk1.8.0_161\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=60617 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=localhost -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:E:\IDEA\IntelliJ IDEA 2018.2.5\lib\idea_rt.jar=60618:E:\IDEA\IntelliJ IDEA 2018.2.5\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_161\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\rt.jar;D:\project\clickhouse\target\classes;D:\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter\2.6.4\spring-boot-starter-2.6.4.jar;D:\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot\2.6.4\spring-boot-2.6.4.jar;D:\apache-maven-3.5.4\repository\org\springframework\spring-context\5.3.16\spring-context-5.3.16.jar;D:\apache-maven-3.5.4\repository\org\springframework\spring-aop\5.3.16\spring-aop-5.3.16.jar;D:\apache-maven-3.5.4\repository\org\springframework\spring-beans\5.3.16\spring-beans-5.3.16.jar;D:\apache-maven-3.5.4\repository\org\springframework\spring-expression\5.3.16\spring-expression-5.3.16.jar;D:\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-autoconfigure\2.6.4\spring-boot-autoconfigure-2.6.4.jar;D:\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-logging\2.6.4\spring-boot-starter-logging-2.6.4.jar;D:\apache-maven-3.5.4\repository\ch\qos\logback\logback-classic\1.2.10\logback-classic-1.2.10.jar;D:\apache-maven-3.5.4\repository\ch\qos\logback\logback-core\1.2.10\logback-core-1.2.10.jar;D:\apache-maven-3.5.4\repository\org\apache\logging\log4j\log4j-to-slf4j\2.17.1\log4j-to-slf4j-2.17.1.jar;D:\apache-maven-3.5.4\repository\org\apache\logging\log4j\log4j-api\2.17.1\log4j-api-2.17.1.jar;D:\apache-maven-3.5.4\repository\org\slf4j\jul-to-slf4j\1.7.36\jul-to-slf4j-1.7.36.jar;D:\apache-maven-3.5.4\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;D:\apache-maven-3.5.4\repository\org\springframework\spring-core\5.3.16\spring-core-5.3.16.jar;D:\apache-maven-3.5.4\repository\org\springframework\spring-jcl\5.3.16\spring-jcl-5.3.16.jar;D:\apache-maven-3.5.4\repository\org\yaml\snakeyaml\1.29\snakeyaml-1.29.jar;D:\apache-maven-3.5.4\repository\ru\yandex\clickhouse\clickhouse-jdbc\0.3.1-patch\clickhouse-jdbc-0.3.1-patch.jar;D:\apache-maven-3.5.4\repository\org\apache\httpcomponents\httpclient\4.5.13\httpclient-4.5.13.jar;D:\apache-maven-3.5.4\repository\org\apache\httpcomponents\httpcore\4.4.15\httpcore-4.4.15.jar;D:\apache-maven-3.5.4\repository\commons-codec\commons-codec\1.15\commons-codec-1.15.jar;D:\apache-maven-3.5.4\repository\org\apache\httpcomponents\httpmime\4.5.13\httpmime-4.5.13.jar;D:\apache-maven-3.5.4\repository\org\lz4\lz4-java\1.7.1\lz4-java-1.7.1.jar;D:\apache-maven-3.5.4\repository\com\fasterxml\jackson\core\jackson-core\2.13.1\jackson-core-2.13.1.jar;D:\apache-maven-3.5.4\repository\com\fasterxml\jackson\core\jackson-databind\2.13.1\jackson-databind-2.13.1.jar;D:\apache-maven-3.5.4\repository\com\fasterxml\jackson\core\jackson-annotations\2.13.1\jackson-annotations-2.13.1.jar;D:\apache-maven-3.5.4\repository\org\slf4j\slf4j-api\1.7.36\slf4j-api-1.7.36.jar;D:\apache-maven-3.5.4\repository\com\alibaba\druid\1.2.6\druid-1.2.6.jar;D:\apache-maven-3.5.4\repository\org\projectlombok\lombok\1.18.22\lombok-1.18.22.jar" com.example.clickhouse.ClickhouseApplication

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.6.4)

2023-11-14 19:54:40.369  INFO 29664 --- [           main] c.e.clickhouse.ClickhouseApplication     : Starting ClickhouseApplication using Java 1.8.0_161 on DESKTOP-ITTFGNT with PID 29664 (D:\project\clickhouse\target\classes started by admin in D:\project\clickhouse)
2023-11-14 19:54:40.372  INFO 29664 --- [           main] c.e.clickhouse.ClickhouseApplication     : The following 1 profile is active: "dev"
2023-11-14 19:54:41.053  INFO 29664 --- [           main] c.e.clickhouse.config.ClickhouseConfig   : clickhouse数据库连接成功！
2023-11-14 19:54:41.255  INFO 29664 --- [           main] c.e.clickhouse.ClickhouseApplication     : Started ClickhouseApplication in 1.652 seconds (JVM running for 2.992)
2023-11-14 19:54:41.262  INFO 29664 --- [ionShutdownHook] com.alibaba.druid.pool.DruidDataSource   : {dataSource-0} closing ...

Process finished with exit code 0