mysql datasource.url_DataSource配置
一、JDBC
Jar依賴:
org.springframework.boot
spring-boot-starter-jdbc
mysql
mysql-connector-java
數據源的相關參數配置:DataSourceProperties
application.properties:
spring.datasource.url=jdbc:mysql://localhost:3306/arch1
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.username=root
spring.datasource.password=123456
默認是用org.apache.tomcat.jdbc.pool.DataSource作為數據源
二、Druid DataSource
引入Jar依賴:
com.alibaba
druid
1.1.10
application-dev.properties
spring.datasource.url=jdbc:mysql://localhost:3306/arch1
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.username=root
spring.datasource.password=123456########################## druid配置 ##########################
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
# 初始化大小,最小,最大
spring.datasource.initialSize=5spring.datasource.minIdle=5spring.datasource.maxActive=20# 配置獲取連接等待超時的時間
spring.datasource.maxWait=60000# 配置間隔多久才進行一次檢測,檢測需要關閉的空閑連接,單位是毫秒
spring.datasource.timeBetweenEvictionRunsMillis=60000# 配置一個連接在池中最小生存的時間,單位是毫秒
spring.datasource.minEvictableIdleTimeMillis=300000# 校驗SQL,Oracle配置 spring.datasource.validationQuery=SELECT 1FROM DUAL,如果不配validationQuery項,則下面三項配置無用
spring.datasource.validationQuery=SELECT 'x'spring.datasource.testWhileIdle=truespring.datasource.testOnBorrow=falsespring.datasource.testOnReturn=false# 打開PSCache,并且指定每個連接上PSCache的大小
spring.datasource.poolPreparedStatements=truespring.datasource.maxPoolPreparedStatementPerConnectionSize=20# 配置監控統計攔截的filters,去掉后監控界面sql無法統計,'wall'用于防火墻
spring.datasource.filters=stat,wall,log4j
# 通過connectProperties屬性來打開mergeSql功能;慢SQL記錄
spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000# 合并多個DruidDataSource的監控數據
spring.datasource.useGlobalDataSourceStat=true
為了使spring.datasource.initialSize、spring.datasource.minIdle等屬性生效,可以使用ConfigurationProperties(prefix="spring.datasource")引入
配置類DruidConfig
1 @Configuration2 public classDruidConfig {3
4 @Bean5 @ConfigurationProperties(prefix="spring.datasource")6 publicDataSource druidDataSource(){7 return newDruidDataSource();8 }9
10 @Bean11 publicServletRegistrationBean startViewServlet(){12 ServletRegistrationBean druidServlet =new ServletRegistrationBean(new StatViewServlet(),"/druid/*");13
14 Map initParams =new HashMap();15 initParams.put("loginUsername", "root");16 initParams.put("loginPassword", "root");17
18 initParams.put("allow","");//默認就是允許
19 initParams.put("deny","192.168.15.21");20
21 druidServlet.setInitParameters(initParams);22
23 returndruidServlet;24 }25
26 @Bean27 publicFilterRegistrationBean webStatFilter(){28 FilterRegistrationBean filter =newFilterRegistrationBean();29 filter.setFilter(newWebStatFilter());30
31 Map initParams = new HashMap<>();32 initParams.put("exclusions","*.js,*.css,/druid/*");33 filter.setInitParameters(initParams);34 filter.setUrlPatterns(Arrays.asList("/*"));35
36 returnfilter;37 }38
39
40
41 }
監控測試:
總結
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