金融股一天跌去5600亿：四大杀跌原因浮现 后市如何演绎

https://finance.sina.com.cn/stock/zqgd/2020-07-11/doc-iirczymm1702085.shtml

package com.example.druiddemo;

import com.alibaba.druid.filter.FilterChain;
import com.alibaba.druid.filter.FilterEventAdapter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.jdbc.datasource.ConnectionProxy;

import java.util.Properties;

@Slf4j
public class ConnectionLogFilter extends FilterEventAdapter {

    @Override
    public void connection_connectBefore(FilterChain chain, Properties info){
        log.info("BEFORE CONNECTION!");
    }

    public void connection_connectAfter(ConnectionProxy connection){
        log.info("AFTER CONNECTION!");
    }

}

package com.example.druiddemo;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.jdbc.core.JdbcTemplate;

import javax.sql.DataSource;

/**
 * 连接池选择时的考察点:
 * 可靠性,性能,功能,可运维性,可扩展性,其它
 */
@SpringBootApplication
@Slf4j
public class DruidDemoApplication implements CommandLineRunner {
    @Autowired
    private DataSource dataSource;
    @Autowired
    private JdbcTemplate jdbcTemplate;

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

    @Override
    public void run(String... args) throws Exception {
        log.info(dataSource.toString());
    }

}

spring.output.ansi.enabled=ALWAYS

spring.datasource.url=jdbc:h2:mem:foo
spring.datasource.username=sa
spring.datasource.password=n/z7PyA5cvcXvs8px8FVmBVpaRyNsvJb3X7YfS38DJrIg25EbZaZGvH4aHcnc97Om0islpCAPc3MqsGvsrxVJw==

spring.datasource.druid.initial-size=5
spring.datasource.druid.max-active=5
spring.datasource.druid.min-idle=5
spring.datasource.druid.filters=conn,config,stat,slf4j

spring.datasource.druid.connection-properties=config.decrypt=true;config.decrypt.key=${public-key}
spring.datasource.druid.filter.config.enabled=true

spring.datasource.druid.test-on-borrow=true
spring.datasource.druid.test-on-return=true
spring.datasource.druid.test-while-idle=true

public-key=MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALS8ng1XvgHrdOgm4pxrnUdt3sXtu/E8My9KzX8sXlz+mXRZQCop7NVQLne25pXHtZoDYuMh3bzoGj6v5HvvAQ8CAwEAAQ==

druid.filters.conn=com.example.druiddemo.ConnectionLogFilter