SpringBoot随笔-SpringBoot集成Druid

 1 <!-- 阿里系的Druid依赖包 -->
 2 <dependency>
 3     <groupId>com.alibaba</groupId>
 4     <artifactId>druid-spring-boot-starter</artifactId>
 5     <version>1.1.21</version>
 6 </dependency>
 7 
 8 
 9 <!-- Druid 依赖 log4j包 -->
10 <dependency>
11     <groupId>org.slf4j</groupId>
12     <artifactId>slf4j-log4j12</artifactId>
13 </dependency>

 1 spring:
 2   datasource:
 3     username: root
 4     password: root
 5     url: jdbc:mysql://localhost:3306/security_authority?characterEncoding=utf8&autoReconnect=true&zeroDateTimeBehavior=convertToNull&useSSL=false&allowMultiQueries=true
 6     driver-class-name: com.mysql.jdbc.Driver
 7     type: com.alibaba.druid.pool.DruidDataSource
 8     # 下面为连接池的补充设置，应用到上面所有数据源中
 9     # 初始化大小，最小，最大
10     druid.initial-size: 5
11     druid.min-idle: 5
12     druid.max-active: 20
13     # 配置获取连接等待超时的时间
14     druid.max-wait: 60000
15     # 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
16     druid.time-between-eviction-runs-millis: 60000
17     # 配置一个连接在池中最小生存的时间，单位是毫秒
18     druid.min-evictable-idle-time-millis: 300000
19     druid.validation-query: SELECT 1 FROM DUAL
20     druid.test-while-idle: true
21     druid.test-on-borrow: false
22     druid.test-on-return: false
23     # 打开PSCache，并且指定每个连接上PSCache的大小
24     druid.pool-prepared-statements: true
25     #   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
26     druid.max-pool-prepared-statement-per-connection-size: 20
27     druid.filters: stat,wall
28     druid.use-global-data-source-stat: true
29     # 通过connectProperties属性来打开mergeSql功能；慢SQL记录
30     druid.connect-properties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000

 1 /**
 2  * @author jiz-a
 3  * @version 1.0
 4  * @date 2020/5/28 16:10
 5  */
 6 @Configuration
 7 public class DruidConfig {
 8     /**
 9      * 把配置文件中自己配置的数据源值注入到druid
10      *
11      * @return 数据库资源
12      */
13     @Bean
14     @ConfigurationProperties(prefix = "spring.datasource")
15     public DataSource druid() {
16         return new DruidDataSource();
17     }
18 
19     /**
20      * 配置Druid的监控，如果不配置这个类，将连接不上druid后台。http://localhost:8080/druid/
21      * 配置一个管理后台的Servlet
22      *
23      * @return Servlet
24      */
25     @Bean
26     public ServletRegistrationBean<StatViewServlet> statViewServlet() {
27         ServletRegistrationBean<StatViewServlet> bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");
28         Map<String, String> params = new HashMap<>(4);
29         //设置后台登录名、密码
30         params.put("loginUsername", "admin");
31         params.put("loginPassword", "666");
32         //设置默认就是允许所有访问、设置黑名单
33         params.put("allow", "");
34         // params.put("deny", "");
35         bean.setInitParameters(params);
36         return bean;
37     }
38 
39     /**
40      * 配置一个web监控的filter,如果不配置这个类，在页面的Web模块功能不会开启
41      *
42      * @return 过滤器
43      */
44     @Bean
45     public FilterRegistrationBean<WebStatFilter> webStatFilter() {
46         FilterRegistrationBean<WebStatFilter> frb = new FilterRegistrationBean<>();
47         frb.setFilter(new WebStatFilter());
48         Map<String, String> params = new HashMap<>();
49         //设置不拦截请求
50         params.put("exclusions", "*.js,*.css,/druid/*");
51         frb.setInitParameters(params);
52         //拦截请求
53         frb.setUrlPatterns(Arrays.asList("/*"));
54         return frb;
55     }
56 }

http://localhost:8090/druid/login.html