spring.datasource.druid方式 配置数据库:yml文件里添加如下:
spring:
datasource:
druid:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://数据库地址:端口/数据库?useUnicode=true&characterEncoding=utf-
8&zeroDateTimeBehavior=convertToNull
username: root
password: 密码
initial-size: 1
max-active: 20
min-idle: 1
max-wait: 10000 #获取连接等待超时的时间
pool-prepared-statements: true
max-pool-prepared-statement-per-connection-size: 20
max-open-prepared-statements: 20
validation-query: SELECT 'x'
validation-query-timeout: 2000
test-on-borrow: false
test-on-return: false
test-while-idle: true
time-between-eviction-runs-millis: 60000 #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
min-evictable-idle-time-millis: 300000 #连接在池中最小生存的时间,单位是毫秒
filters: stat #监控统计拦截的filters
以上这种用druid的方式不要在另外配置 @Configuration 类
用原始方式配置mysql数据源需要配置@Configuration 类:yml里添加如下
mysql:
datasource:
name: db
type: com.alibaba.druid.pool.DruidDataSource
url: jdbc:mysql://数据库地址:端口/数据库?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull
username: root
password: 密码
driver-class-name: com.mysql.cj.jdbc.Driver
minIdle: 5
maxActive: 100
initialSize: 10
maxWait: 60000
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: select 'x'
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
poolPreparedStatements: true
maxPoolPreparedStatementPerConnectionSize: 50
removeAbandoned: true
filters: stat # ,wall,log4j # 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
connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000 # 通过connectProperties属性来打开mergeSql功能;慢SQL记录
useGlobalDataSourceStat: true # 合并多个DruidDataSource的监控数据
druidLoginName: hh # 登录druid的账号
druidPassword: hh # 登录druid的密码
配置类:
package com.rabbitmq.config;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import javax.sql.DataSource;
import java.sql.SQLException;
@Configuration
public class DatasourceConfig {
private Logger logger = LoggerFactory.getLogger(DatasourceConfig.class);
@Value("${mysql.datasource.url}")
private String dbUrl;
@Value("${mysql.datasource.type}")
private String dbType;
@Value("${mysql.datasource.username}")
private String username;
@Value("${mysql.datasource.password}")
private String password;
@Value("${mysql.datasource.driver-class-name}")
private String driverClassName;
@Value("${mysql.datasource.initialSize}")
private int initialSize;
@Value("${mysql.datasource.minIdle}")
private int minIdle;
@Value("${mysql.datasource.maxActive}")
private int maxActive;
@Value("${mysql.datasource.maxWait}")
private int maxWait;
@Value("${mysql.datasource.timeBetweenEvictionRunsMillis}")
private int timeBetweenEvictionRunsMillis;
@Value("${mysql.datasource.minEvictableIdleTimeMillis}")
private int minEvictableIdleTimeMillis;
@Value("${mysql.datasource.validationQuery}")
private String validationQuery;
@Value("${mysql.datasource.testWhileIdle}")
private boolean testWhileIdle;
@Value("${mysql.datasource.testOnBorrow}")
private boolean testOnBorrow;
@Value("${mysql.datasource.testOnReturn}")
private boolean testOnReturn;
@Value("${mysql.datasource.poolPreparedStatements}")
private boolean poolPreparedStatements;
@Value("${mysql.datasource.filters}")
private String filters;
@Value("${mysql.datasource.connectionProperties}")
private String connectionProperties;
@Value("${mysql.datasource.useGlobalDataSourceStat}")
private boolean useGlobalDataSourceStat;
@Value("${mysql.datasource.druidLoginName}")
private String druidLoginName;
@Value("${mysql.datasource.druidPassword}")
private String druidPassword;
@Bean(name = "dataSource", destroyMethod = "close", initMethod = "init")
@Primary
public DataSource dataSource() {
DruidDataSource datasource = new DruidDataSource();
try {
datasource.setUrl(this.dbUrl);
datasource.setDbType(dbType);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
datasource.setPoolPreparedStatements(poolPreparedStatements);
datasource.setFilters(filters);
datasource.setConnectionProperties(connectionProperties);
datasource.setUseGlobalDataSourceStat(useGlobalDataSourceStat);
} catch (SQLException e) {
logger.error("druid configuration initialization filter", e);
}
return datasource;
}
/ 下面是druid 监控访问的设置 /
@Bean
public ServletRegistrationBean druidServlet() {
ServletRegistrationBean reg = new ServletRegistrationBean();
reg.setServlet(new StatViewServlet());
reg.addUrlMappings("/druid/*"); // url 匹配
reg.addInitParameter("allow", "192.168.9.110,127.0.0.1"); // IP白名单
reg.addInitParameter("deny", "192.168.9.111"); // IP黑名单(存在共同时,deny优先于allow)
reg.addInitParameter("loginUsername", this.druidLoginName);// 登录名
reg.addInitParameter("loginPassword", this.druidPassword);// 登录密码
reg.addInitParameter("resetEnable", "false"); // 禁用HTML页面上的“Reset All”功能
return reg;
}
@Bean(name = "druidWebStatFilter")
public FilterRegistrationBean filterRegistrationBean() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
filterRegistrationBean.setFilter(new WebStatFilter());
filterRegistrationBean.addUrlPatterns("/*");
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"); // 忽略资源
filterRegistrationBean.addInitParameter("profileEnable", "true");
filterRegistrationBean.addInitParameter("principalCookieName", "USER_COOKIE");
filterRegistrationBean.addInitParameter("principalSessionName", "USER_SESSION");
return filterRegistrationBean;
}
}