POM
4.0.0
org.springframework.boot
spring-boot-starter-parent
2.1.2.RELEASE
com.boolib
mysql-druid
0.0.1-SNAPSHOT
mysql-druid
Demo project for Spring Boot
1.8
org.springframework.boot
spring-boot-starter-thymeleaf
org.springframework.boot
spring-boot-starter-web
org.mybatis.spring.boot
mybatis-spring-boot-starter
1.3.2
org.springframework.boot
spring-boot-devtools
runtime
mysql
mysql-connector-java
runtime
org.projectlombok
lombok
true
org.springframework.boot
spring-boot-starter-test
test
com.alibaba
druid
1.1.12
org.springframework.boot
spring-boot-maven-plugin
org.mybatis.generator
mybatis-generator-maven-plugin
src/main/resources/xml/mybatis-generator.xml
true
true
mysql
mysql-connector-java
5.1.46
properties
#配置tomcat插件启动端口号
#server.port=8081
#中文及编码配置
#server.tomcat.uri-encoding=UTF-8
#spring.http.encoding.charset=UTF-8
#spring.http.encoding.enabled=true
#spring.http.encoding.force=true
#spring.messages.encoding=UTF-8
#配置DataSource，使用druid
#需要注意的是：spring.datasource.type属性，旧的spring boot版本是不能识别的。
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/orders?serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=root
# 连接池的配置信息
# 初始化大小，最小，最大
spring.datasource.initialSize=5
spring.datasource.minIdle=5
spring.datasource.maxActive=20
# 配置获取连接等待超时的时间
spring.datasource.maxWait=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
spring.datasource.timeBetweenEvictionRunsMillis=60000
# 配置一个连接在池中最小生存的时间，单位是毫秒
spring.datasource.minEvictableIdleTimeMillis=300000
spring.datasource.validationQuery=SELECT 1 FROM DUAL
spring.datasource.testWhileIdle=true
spring.datasource.testOnBorrow=false
spring.datasource.testOnReturn=false
# 打开PSCache，并且指定每个连接上PSCache的大小
spring.datasource.poolPreparedStatements=true
spring.datasource.maxPoolPreparedStatementPerConnectionSize=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
spring.datasource.filters=stat,wall
# 通过connectProperties属性来打开mergeSql功能；慢SQL记录
spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
mybatis.mapper-locations=classpath:mapper/*Mapper.xml
druidConfig
package com.boolib.mysqldruid.config;
import com.alibaba.druid.pool.DruidDataSource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
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;
@Slf4j
@Configuration
public class DruidConfig {
@Value("${spring.datasource.url}")
private String dbUrl;
@Value("${spring.datasource.username}")
private String username;
@Value("${spring.datasource.password}")
private String password;
@Value("${spring.datasource.driver-class-name}")
private String driverClassName;
@Value("${spring.datasource.initialSize}")
private int initialSize;
@Value("${spring.datasource.minIdle}")
private int minIdle;
@Value("${spring.datasource.maxActive}")
private int maxActive;
@Value("${spring.datasource.maxWait}")
private int maxWait;
@Value("${spring.datasource.timeBetweenEvictionRunsMillis}")
private int timeBetweenEvictionRunsMillis;
@Value("${spring.datasource.minEvictableIdleTimeMillis}")
private int minEvictableIdleTimeMillis;
@Value("${spring.datasource.validationQuery}")
private String validationQuery;
@Value("${spring.datasource.testWhileIdle}")
private boolean testWhileIdle;
@Value("${spring.datasource.testOnBorrow}")
private boolean testOnBorrow;
@Value("${spring.datasource.testOnReturn}")
private boolean testOnReturn;
@Value("${spring.datasource.poolPreparedStatements}")
private boolean poolPreparedStatements;
@Value("${spring.datasource.maxPoolPreparedStatementPerConnectionSize}")
private int maxPoolPreparedStatementPerConnectionSize;
@Value("${spring.datasource.filters}")
private String filters;
@Value("{spring.datasource.connectionProperties}")
private String connectionProperties;
@Bean //声明其为Bean实例
@Primary //在同样的DataSource中，首先使用被标注的DataSource
public DataSource dataSource(){
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(this.dbUrl);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
//configuration
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.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
log.error("druid configuration initialization filter" );
}
datasource.setConnectionProperties(connectionProperties);
return datasource;
}
}
DruidServlet配置
package com.boolib.mysqldruid.config.druid;
import com.alibaba.druid.support.http.StatViewServlet;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
@WebServlet(urlPatterns = "/druid/*",
initParams = {
@WebInitParam(name="allow",value = "127.0.0.1"),
// @WebInitParam(name="loginUsername",value = "admin",description = "druid用户名"),
// @WebInitParam(name="loginPassword",value = "1234",description = "druid密码"),
@WebInitParam(name="resetEnable",value = "false")
})
public class DruidServlet extends StatViewServlet {
private static final long serialVersionUID = 1L;
}
Druid拦截器配置
package com.boolib.mysqldruid.config.druid;
import com.alibaba.druid.support.http.WebStatFilter;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebInitParam;
@WebFilter(
filterName = "druidWebStatFilter",urlPatterns = "/*",
initParams = {
@WebInitParam( name="exclusions",value = "*.js,*.css,*.ico,/druid/*")
} )
public class DruidFilter extends WebStatFilter {
}
启动项
package com.boolib.mysqldruid;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletComponentScan;
@ServletComponentScan
@SpringBootApplication
@MapperScan(basePackages = "com.boolib.mysqldruid.mapper")
public class MysqlDruidApplication {
public static void main(String[] args) {
SpringApplication.run(MysqlDruidApplication.class, args);
}
}
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