Druid作为数据源（连接池、过滤器、日志） - ToB企服应用市场:ToB评测及商务社交产业平台

<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.2.6</version>
</dependency>

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spring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/springboot_test?characterEncoding=utf8&serverTimezone=UTC
username: root
password: root
# druid-spring-boot-starter 依赖自动生效 druid，可以不配置 type 属性，但建议配置
type: com.alibaba.druid.pool.DruidDataSource

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spring:
datasource:
druid:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/springboot_test?characterEncoding=utf8&serverTimezone=UTC
username: root
password: root

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<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.2.6</version>
</dependency>

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spring:
datasource:
username: root
password: 123456
url: jdbc:mysql://192.168.10.132:3306/testdb
driver-class-name: com.mysql.jdbc.Driver
type: com.alibaba.druid.pool.DruidDataSource
# druid 数据源专有配置
# 不是druid-spring-boot-starter依赖，SpringBoot默认是不注入druid数据源专有属性值的，需要自己绑定
initialSize: 5
minIdle: 5
maxActive: 20
maxWait: 60000
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 1 FROM DUAL
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
poolPreparedStatements: true
maxPoolPreparedStatementPerConnectionSize: 20
useGlobalDataSourceStat: true
connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
# 配置监控统计拦截的filters，去掉后监控界面sql无法统计。stat:监控统计 log4:日志记录 wall:防御sql注入
# 如果运行时报错：ClassNotFoundException:orgapache.log4j.Priority，则导入log4j依赖即可
filters: stat,wall,log4j
# 自动往数据库建表
#schema:
#- classpath:department.sql

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@Configuration
public class DruidDataSourceConfig {
/**
* 添加 DruidDataSource 组件到容器中，并绑定属性
*/
@Bean
@ConfigurationProperties(prefix = "spring.datasource")
@ConditionalOnProperty(name = "spring.datasource.type", havingValue = "com.alibaba.druid.pool.DruidDataSource")
public DataSource druid(){
return new DruidDataSource();
}
}

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import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.ConfigurationProperties;
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 javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
@Configuration
public class DruidDataSourceConfig {
/**
* 添加 DruidDataSource 组件到容器中，并绑定属性
*/
@Bean
@ConfigurationProperties(prefix = "spring.datasource")
@ConditionalOnProperty(name = "spring.datasource.type", havingValue = "com.alibaba.druid.pool.DruidDataSource")
public DataSource druid(){
return new DruidDataSource();
}
/**
* 配置 Druid 监控管理后台的Servlet；
* 内置 Servlet 容器时没有web.xml文件，所以使用 Spring Boot 的注册 Servlet 方式
*/
@Bean
@ConditionalOnClass(DruidDataSource.class)
public ServletRegistrationBean statViewServlet(){
// 这些参数可以在 http.StatViewServlet 的父类 ResourceServlet 中找到
Map<String,String> initParams = new HashMap<>();
initParams.put("loginUsername","admin");
initParams.put("loginPassword","123456");
// allow：Druid 后台允许谁可以访问。默认就是允许所有访问。
initParams.put("allow",""); // 后面参数为空则所有人都能访问，一般会写一个具体的ip或ip段
// deny：Druid 后台禁止谁能访问
// initParams.put("deny","192.168.10.132");
// 注册一个servlet，同时表明/druid/* 这个请求会走到这个servlet，而druid内置了这个请求的接收
ServletRegistrationBean bean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
bean.setInitParameters(initParams);
return bean;
}
/**
* 配置一个web监控的filter
*/
@Bean
@ConditionalOnClass(DruidDataSource.class)
public FilterRegistrationBean webStatFilter(){
Map<String,String> initParams = new HashMap<>();
// 这些不进行统计
initParams.put("exclusions","*.js,*.css,/druid/*");
FilterRegistrationBean bean = new FilterRegistrationBean();
bean.setFilter(new WebStatFilter());
bean.setInitParameters(initParams);
bean.setUrlPatterns(Arrays.asList("/*"));
return bean;
}
}

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