DataSource配置

一、JDBC

Jar依赖:

    <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>

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

数据源的相关参数配置:DataSourceProperties

application.properties:

spring.datasource.url=jdbc:mysql://localhost:3306/arch1
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.username=root
spring.datasource.password=123456

默认是用org.apache.tomcat.jdbc.pool.DataSource作为数据源

 

二、Druid DataSource

引入Jar依赖:

     <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.10</version>
        </dependency>

application-dev.properties

spring.datasource.url=jdbc:mysql://localhost:3306/arch1
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.username
=root spring.datasource.password=123456 ########################## druid配置 ########################## spring.datasource.type=com.alibaba.druid.pool.DruidDataSource # 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 # 校验SQL,Oracle配置 spring.datasource.validationQuery=SELECT 1 FROM DUAL,如果不配validationQuery项,则下面三项配置无用 spring.datasource.validationQuery=SELECT 'x' 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,log4j # 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 # 合并多个DruidDataSource的监控数据 spring.datasource.useGlobalDataSourceStat=true
为了使spring.datasource.initialSize、spring.datasource.minIdle等属性生效,可以使用ConfigurationProperties(prefix="spring.datasource")引入

配置类DruidConfig

 1 @Configuration
 2 public class DruidConfig {
 3     
 4     @Bean
 5     @ConfigurationProperties(prefix="spring.datasource")
 6     public DataSource druidDataSource(){
 7         return new DruidDataSource();
 8     }
 9     
10     @Bean
11     public ServletRegistrationBean startViewServlet(){
12         ServletRegistrationBean druidServlet =new ServletRegistrationBean(new StatViewServlet(),"/druid/*");
13         
14         Map<String,String> initParams =new HashMap<String,String>();
15         initParams.put("loginUsername", "root");
16         initParams.put("loginPassword", "root");
17         
18         initParams.put("allow","");//默认就是允许
19         initParams.put("deny","192.168.15.21");
20         
21         druidServlet.setInitParameters(initParams);
22         
23         return druidServlet;
24     }
25     
26     @Bean
27     public FilterRegistrationBean webStatFilter(){
28         FilterRegistrationBean filter =new FilterRegistrationBean();
29         filter.setFilter(new WebStatFilter());
30         
31         Map<String,String> initParams = new HashMap<>();
32         initParams.put("exclusions","*.js,*.css,/druid/*");
33         filter.setInitParameters(initParams);
34         filter.setUrlPatterns(Arrays.asList("/*"));
35         
36         return filter;
37     }
38     
39     
40     
41 }

  监控测试:

 

 

 

  

 

  

  

posted @ 2019-02-20 08:51  小亮的BLOG  阅读(17639)  评论(1编辑  收藏  举报