作者:夹uh山下 | 来源:互联网 | 2023-02-01 17:55
Druid是Java语言中最好的数据库连接池。Druid能够提供强大的监控和扩展功能。Druid是一个用于大数据实时查询和分析的高容错、高性能开源分布式系统,旨在快速处理大规模的数据,并
Druid是Java语言中最好的数据库连接池。
com.alibaba
druid-spring-boot-starter
1.1.0
## 数据源配置
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.url=jdbc:mysql://localhost:3306/zuoqing?serverTimezOne=UTC&characterEncoding=utf8&useUnicode=true&useSSL=false
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
## Mybatis 配置(持久层框架自己选择)
mybatis.typeAliasesPackage=com.xiaobudiankeji.base.entity
mybatis.mapperLocatiOns=classpath*:mapper/*.xml
#durid登陆账号密码
loginUsername=root
loginPassword=123456
# 下面为连接池的补充设置,应用到上面所有数据源中
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
# 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,防止sql注入
spring.datasource.filters=stat,wall,log4j
spring.datasource.logSlowSql=true
#http://localhost:8765/druid/sql.html 访问这个页面
/**
* Created by gaomin on 2017/12/1.
*/
@Configuration
public class DruidConfig {
private Logger logger = LoggerFactory.getLogger(DruidConfig.class);
@Value("${spring.datasource.url}")
private String dbUrl;
@Value("${spring.datasource.type}")
private String type;
@Value("${loginUsername}")
private String loginUsername;
@Value("${loginPassword}")
private String loginPassword;
@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.filters}")
private String filters;
@Value("${spring.datasource.logSlowSql}")
private String logSlowSql;
@Bean
public ServletRegistrationBean druidServlet() {
ServletRegistrationBean reg = new ServletRegistrationBean();
reg.setServlet(new StatViewServlet());
reg.addUrlMappings("/druid/*");
reg.addInitParameter("loginUsername", loginUsername);
reg.addInitParameter("loginPassword", loginPassword);
reg.addInitParameter("logSlowSql", logSlowSql);
return reg;
}
@Bean
public FilterRegistrationBean filterRegistrationBean() {
FilterRegistrationBean filterRegistratiOnBean= new FilterRegistrationBean();
filterRegistrationBean.setFilter(new WebStatFilter());
filterRegistrationBean.addUrlPatterns("/*");
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
filterRegistrationBean.addInitParameter("profileEnable", "true");
return filterRegistrationBean;
}
@Bean
public DataSource druidDataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(dbUrl);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
//datasource.setDbType(type);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
logger.error("druid configuration initialization filter", e);
}
return datasource;
}
}