Springboot druid

1、引用

		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
			<version>1.0.26</version>
		</dependency>

		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<scope>runtime</scope>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-configuration-processor</artifactId>
			<optional>true</optional>
		</dependency>

2、配置：

#mysql
spring.datasource.url =jdbc:mysql://localhost:3306/busy_db?useUnicode=true&characterEncoding=utf-8&useSSL=false
spring.datasource.username = root
spring.datasource.password = 1111
spring.datasource.driverClassName = com.mysql.jdbc.Driver

#dataSource Pool configuration
spring.datasource.initialSize=5
spring.datasource.minIdle=1
spring.datasource.maxActive=50
spring.datasource.maxWait=60000
spring.datasource.timeBetweenEvictionRunsMillis=60000
spring.datasource.minEvictableIdleTimeMillis=300000
spring.datasource.validationQuery=SELECT 1 FROM DUAL
spring.datasource.testWhileIdle=true
spring.datasource.testOnBorrow=false
spring.datasource.testOnReturn=false
spring.datasource.poolPreparedStatements=false
spring.datasource.maxPoolPreparedStatementPerConnectionSize=20
spring.datasource.filters=stat,wall
spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
spring.datasource.useGlobalDataSourceStat=true

3、DruidConfiguration

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
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 org.springframework.context.annotation.PropertySource;

import javax.sql.DataSource;

@Configuration
@PropertySource(value = "classpath:application.properties")
public class DruidConfiguration {

	@Bean(destroyMethod = "close", initMethod = "init")
	@ConfigurationProperties(prefix = "spring.datasource")
	public DataSource druidDataSource() {
		DruidDataSource druidDataSource = new DruidDataSource();
		return druidDataSource;
	}

	@Bean
	public ServletRegistrationBean<StatViewServlet> druidStatViewServlet() {
		// org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
		ServletRegistrationBean<StatViewServlet> servletRegistrationBean = new ServletRegistrationBean<StatViewServlet>(new StatViewServlet(),
				"/druid/*");
		// 白名单：
		servletRegistrationBean.addInitParameter("allow", "127.0.0.1");
		// IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to
		// view this page.
		servletRegistrationBean.addInitParameter("deny", "192.168.1.73");
		// 登录查看信息的账号密码.
		servletRegistrationBean.addInitParameter("loginUsername", "admin");
		servletRegistrationBean.addInitParameter("loginPassword", "admin");
		// 是否能够重置数据.
		servletRegistrationBean.addInitParameter("resetEnable", "false");
		return servletRegistrationBean;
	}

	@Bean
	public FilterRegistrationBean<WebStatFilter> druidStatFilter() {
		FilterRegistrationBean<WebStatFilter> filterRegistrationBean = new FilterRegistrationBean<WebStatFilter>(new WebStatFilter());
		// 添加过滤规则.
		filterRegistrationBean.addUrlPatterns("/*");
		// 添加不需要忽略的格式信息.
		filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
		return filterRegistrationBean;
	}

4、http://127.0.0.1:8081/druid/

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