2020-05-22 12:02:02 卢浮宫 版权声明:本文为站长原创文章,转载请写明出处
在重新搭建的前后端分离项目中,后端使用到了阿里巴巴的数据库连接池。
目前觉得这个东西很不错,这里分享一下。
PS:这里是第一篇,仅做项目集成及简单实用,更深度实用持续更新...
①druid是阿里巴巴的一款数据库连接池。提供数据源查看、sql监控、防火墙等支持
②其详见问题及说明见官方文档 常见问题
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.23</version>
</dependency>
spring:
jackson:
date-format: yyyy-MM-dd HH:mm:ss
datasource: type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://XXXX:3306/xa?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC&allowMultiQueries=true
username: username
password: password
# 连接池的补充设置
druid:
# 初始化大小,最小,最大
initial-size: 1
min-idle: 3
max-active: 100
# 配置获取连接等待超时的时间
max-wait-thread-count: 60000
# 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
time-between-eviction-runs-millis: 60000
# 配置一个连接在池中最小生存的时间,单位是毫秒
min-evictable-idle-time-millis: 30000
validation-query: select 'x'
test-while-idle: true
test-on-borrow: false
test-on-return: false
# 打开PSCache,并且指定每个连接上PSCache的大小
pool-prepared-statements: true
max-pool-prepared-statement-per-connection-size: 20
# 配置监控统计拦截的filters,去掉后监控界面sql无法统计,'wall'用于防火墙
filters: stat,slf4j
# 通过connectProperties属性来打开mergeSql功能;慢SQL记录
connection-properties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
/**
* @author XA
* date 2020/5/19 15:34
* description 数据库连接池DRUID配置
* params
* return
*/
@Configuration
public class DruidConfiguration {
private static final Logger logger = LoggerFactory.getLogger(DruidConfiguration.class);
private static final String DB_PREFIX = "spring.datasource";
@Bean
public ServletRegistrationBean druidServlet() {
logger.info("init Druid Servlet Configuration ");
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
// IP白名单 (没有配置或者为空,则允许所有访问)
servletRegistrationBean.addInitParameter("allow", "");
// IP黑名单(共同存在时,deny优先于allow)
//servletRegistrationBean.addInitParameter("deny", "192.168.1.100");
//控制台管理用户
servletRegistrationBean.addInitParameter("loginUsername", "loginUsername");
servletRegistrationBean.addInitParameter("loginPassword", "loginPassword");
//是否能够重置数据 禁用HTML页面上的“Reset All”功能
servletRegistrationBean.addInitParameter("resetEnable", "false");
return servletRegistrationBean;
}
@Bean
public FilterRegistrationBean filterRegistrationBean() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
filterRegistrationBean.addUrlPatterns("/*");
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
return filterRegistrationBean;
}
}
PS:在启动类中使用注解:
@SpringBootApplication(exclude = DruidDataSourceAutoConfigure.class)