lywsvip/SpringBoot-Labs
1
0
Fork 0
mirror of https://gitee.com/yudaocode/SpringBoot-Labs.git synced 2026-09-03 05:53:54 +08:00
Code Issues Packages Projects Releases Wiki Activity

增加连接池示例

Browse Source
This commit is contained in:
YunaiV
2019-11-12 21:24:32 +08:00
parent 21f17261e0
commit 67af920b73
15 changed files with 473 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
lab-19/lab-19-datasource-pool-druid-multiple/pom.xml Normal file
View File

@@ -0,0 +1,47 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.3.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>lab-19-datasource-pool-druid-multiple</artifactId>
<dependencies>
<!-- 保证 Spring JDBC 的依赖健全 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<!-- 实现对 Druid 连接池的自动化配置 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.21</version>
</dependency>
<dependency> <!-- 本示例，我们使用 MySQL -->
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.48</version>
</dependency>
<!-- 实现对 Spring MVC 的自动化配置，因为我们需要看看 Druid 的监控功能 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- 方便等会写单元测试 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

49
lab-19/lab-19-datasource-pool-druid-multiple/src/main/java/cn/iocoder/springboot/lab19/datasourcepool/Application.java Normal file
View File

@@ -0,0 +1,49 @@
package cn.iocoder.springboot.lab19.datasourcepool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import javax.annotation.Resource;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
@SpringBootApplication
public class Application implements CommandLineRunner {
private Logger logger = LoggerFactory.getLogger(Application.class);
@Resource(name = "ordersDataSource")
private DataSource ordersDataSource;
@Resource(name = "usersDataSource")
private DataSource usersDataSource;
public static void main(String[] args) {
// 启动 Spring Boot 应用
SpringApplication.run(Application.class, args);
}
@Override
public void run(String... args) {
// orders 数据源
try (Connection conn = ordersDataSource.getConnection()) {
// 这里，可以做点什么
logger.info("[run][ordersDataSource 获得连接：{}]", conn);
} catch (SQLException e) {
throw new RuntimeException(e);
}
// users 数据源
try (Connection conn = usersDataSource.getConnection()) {
// 这里，可以做点什么
logger.info("[run][usersDataSource 获得连接：{}]", conn);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
}

33
lab-19/lab-19-datasource-pool-druid-multiple/src/main/java/cn/iocoder/springboot/lab19/datasourcepool/config/DataSourceConfig.java Normal file
View File

@@ -0,0 +1,33 @@
package cn.iocoder.springboot.lab19.datasourcepool.config;
import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import javax.sql.DataSource;
@Configuration
public class DataSourceConfig {
/**
* 创建 orders 数据源
*/
@Primary
@Bean(name = "ordersDataSource")
@ConfigurationProperties(prefix = "spring.datasource.orders") // 读取 spring.datasource.orders 配置到 HikariDataSource 对象
public DataSource ordersDataSource() {
return DruidDataSourceBuilder.create().build();
}
/**
* 创建 users 数据源
*/
@Bean(name = "usersDataSource")
@ConfigurationProperties(prefix = "spring.datasource.users")
public DataSource usersDataSource() {
return DruidDataSourceBuilder.create().build();
}
}

33
lab-19/lab-19-datasource-pool-druid-multiple/src/main/resources/application.yaml Normal file
View File

@@ -0,0 +1,33 @@
spring:
# datasource 数据源配置内容
datasource:
# 订单数据源配置
orders:
url: jdbc:mysql://127.0.0.1:3306/test_orders?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
username: root
password:
# Druid 自定义配置，对应 DruidDataSource 中的 setting 方法的属性
min-idle: 0 # 池中维护的最小空闲连接数，默认为 0 个。
max-active: 20 # 池中最大连接数，包括闲置和使用中的连接，默认为 8 个。
# 用户数据源配置
users:
url: jdbc:mysql://127.0.0.1:3306/test_users?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
username: root
password:
# Druid 自定义配置，对应 DruidDataSource 中的 setting 方法的属性
min-idle: 0 # 池中维护的最小空闲连接数，默认为 0 个。
max-active: 20 # 池中最大连接数，包括闲置和使用中的连接，默认为 8 个。
# Druid 自定已配置
druid:
# 过滤器配置
filter:
stat: # 配置 StatFilter ，对应文档 https://github.com/alibaba/druid/wiki/%E9%85%8D%E7%BD%AE_StatFilter
log-slow-sql: true # 开启慢查询记录
slow-sql-millis: 5000 # 慢 SQL 的标准，单位：毫秒
# StatViewServlet 配置
stat-view-servlet: # 配置 StatViewServlet ，对应文档 https://github.com/alibaba/druid/wiki/%E9%85%8D%E7%BD%AE_StatViewServlet%E9%85%8D%E7%BD%AE
enabled: true # 是否开启 StatViewServlet
login-username: yudaoyuanma # 账号
login-password: javaniubi # 密码

47
lab-19/lab-19-datasource-pool-druid-single/pom.xml Normal file
View File

@@ -0,0 +1,47 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.3.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>lab-19-datasource-pool-druid-single</artifactId>
<dependencies>
<!-- 保证 Spring JDBC 的依赖健全 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<!-- 实现对 Druid 连接池的自动化配置 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.21</version>
</dependency>
<dependency> <!-- 本示例，我们使用 MySQL -->
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.48</version>
</dependency>
<!-- 实现对 Spring MVC 的自动化配置，因为我们需要看看 Druid 的监控功能 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- 方便等会写单元测试 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

30
lab-19/lab-19-datasource-pool-druid-single/src/main/java/cn/iocoder/springboot/lab19/datasourcepool/Application.java Normal file
View File

@@ -0,0 +1,30 @@
package cn.iocoder.springboot.lab19.datasourcepool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import javax.sql.DataSource;
@SpringBootApplication
public class Application implements CommandLineRunner {
private Logger logger = LoggerFactory.getLogger(Application.class);
@Autowired
private DataSource dataSource;
public static void main(String[] args) {
// 启动 Spring Boot 应用
SpringApplication.run(Application.class, args);
}
@Override
public void run(String... args) {
logger.info("[run][获得数据源：{}]", dataSource.getClass());
}
}

18
lab-19/lab-19-datasource-pool-druid-single/src/main/java/cn/iocoder/springboot/lab19/datasourcepool/controller/DruidStatController.java Normal file
View File

@@ -0,0 +1,18 @@
package cn.iocoder.springboot.lab19.datasourcepool.controller;
import com.alibaba.druid.stat.DruidStatManagerFacade;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class DruidStatController {
@GetMapping("/monitor/druid/stat")
@Deprecated
public Object druidStat(){
// `DruidStatManagerFacade#getDataSourceStatDataList()` 方法，可以获取所有数据源的监控数据。
// 除此之外，DruidStatManagerFacade 还提供了一些其他方法，你可以按需选择使用。
return DruidStatManagerFacade.getInstance().getDataSourceStatDataList();
}
}

20
lab-19/lab-19-datasource-pool-druid-single/src/main/resources/application.yaml Normal file
View File

@@ -0,0 +1,20 @@
spring:
# datasource 数据源配置内容，对应 DataSourceProperties 配置属性类
datasource:
url: jdbc:mysql://127.0.0.1:3306/test?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
username: root # 数据库账号
password: # 数据库密码
type: com.alibaba.druid.pool.DruidDataSource # 设置类型为 DruidDataSource
# Druid 自定义配置，对应 DruidDataSource 中的 setting 方法的属性
druid:
min-idle: 0 # 池中维护的最小空闲连接数，默认为 0 个。
max-active: 20 # 池中最大连接数，包括闲置和使用中的连接，默认为 8 个。
filter:
stat: # 配置 StatFilter ，对应文档 https://github.com/alibaba/druid/wiki/%E9%85%8D%E7%BD%AE_StatFilter
log-slow-sql: true # 开启慢查询记录
slow-sql-millis: 5000 # 慢 SQL 的标准，单位：毫秒
stat-view-servlet: # 配置 StatViewServlet ，对应文档 https://github.com/alibaba/druid/wiki/%E9%85%8D%E7%BD%AE_StatViewServlet%E9%85%8D%E7%BD%AE
enabled: true # 是否开启 StatViewServlet
login-username: yudaoyuanma # 账号
login-password: javaniubi # 密码

35
lab-19/lab-19-datasource-pool-hikaricp-multiple/pom.xml Normal file
View File

@@ -0,0 +1,35 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.3.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>lab-19-datasource-pool-hikaricp-multiple</artifactId>
<dependencies>
<!-- 实现对数据库连接池的自动化配置 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency> <!-- 本示例，我们使用 MySQL -->
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.48</version>
</dependency>
<!-- 方便等会写单元测试 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

49
lab-19/lab-19-datasource-pool-hikaricp-multiple/src/main/java/cn/iocoder/springboot/lab19/datasourcepool/Application.java Normal file
View File

@@ -0,0 +1,49 @@
package cn.iocoder.springboot.lab19.datasourcepool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import javax.annotation.Resource;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
@SpringBootApplication
public class Application implements CommandLineRunner {
private Logger logger = LoggerFactory.getLogger(Application.class);
@Resource(name = "ordersDataSource")
private DataSource ordersDataSource;
@Resource(name = "usersDataSource")
private DataSource usersDataSource;
public static void main(String[] args) {
// 启动 Spring Boot 应用
SpringApplication.run(Application.class, args);
}
@Override
public void run(String... args) {
// orders 数据源
try (Connection conn = ordersDataSource.getConnection()) {
// 这里，可以做点什么
logger.info("[run][ordersDataSource 获得连接：{}]", conn);
} catch (SQLException e) {
throw new RuntimeException(e);
}
// users 数据源
try (Connection conn = usersDataSource.getConnection()) {
// 这里，可以做点什么
logger.info("[run][usersDataSource 获得连接：{}]", conn);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
}

78
lab-19/lab-19-datasource-pool-hikaricp-multiple/src/main/java/cn/iocoder/springboot/lab19/datasourcepool/config/DataSourceConfig.java Normal file
View File

@@ -0,0 +1,78 @@
package cn.iocoder.springboot.lab19.datasourcepool.config;
import com.zaxxer.hikari.HikariDataSource;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.util.StringUtils;
import javax.sql.DataSource;
@Configuration
public class DataSourceConfig {
/**
* 创建 orders 数据源的配置对象
*/
@Primary
@Bean(name = "ordersDataSourceProperties")
@ConfigurationProperties(prefix = "spring.datasource.orders") // 读取 spring.datasource.orders 配置到 DataSourceProperties 对象
public DataSourceProperties ordersDataSourceProperties() {
return new DataSourceProperties();
}
/**
* 创建 orders 数据源
*/
@Bean(name = "ordersDataSource")
@ConfigurationProperties(prefix = "spring.datasource.orders.hikari") // 读取 spring.datasource.orders 配置到 HikariDataSource 对象
public DataSource ordersDataSource() {
// 获得 DataSourceProperties 对象
DataSourceProperties properties = this.ordersDataSourceProperties();
// 创建 HikariDataSource 对象
return createHikariDataSource(properties);
}
/**
* 创建 users 数据源的配置对象
*/
@Bean(name = "usersDataSourceProperties")
@ConfigurationProperties(prefix = "spring.datasource.users") // 读取 spring.datasource.users 配置到 DataSourceProperties 对象
public DataSourceProperties usersDataSourceProperties() {
return new DataSourceProperties();
}
/**
* 创建 users 数据源
*/
@Bean(name = "usersDataSource")
@ConfigurationProperties(prefix = "spring.datasource.users.hikari")
public DataSource usersDataSource() {
// 获得 DataSourceProperties 对象
DataSourceProperties properties = this.usersDataSourceProperties();
// 创建 HikariDataSource 对象
return createHikariDataSource(properties);
}
private static HikariDataSource createHikariDataSource(DataSourceProperties properties) {
// 创建 HikariDataSource 对象
HikariDataSource dataSource = properties.initializeDataSourceBuilder().type(HikariDataSource.class).build();
// 设置线程池名
if (StringUtils.hasText(properties.getName())) {
dataSource.setPoolName(properties.getName());
}
return dataSource;
}
// /**
// * 创建 orders 数据源
// */
// @Bean(name = "ordersDataSource")
// @ConfigurationProperties(prefix = "spring.datasource.orders")
// public DataSource ordersDataSource() {
// return DataSourceBuilder.create().build();
// }
}

23
lab-19/lab-19-datasource-pool-hikaricp-multiple/src/main/resources/application.yaml Normal file
View File

@@ -0,0 +1,23 @@
spring:
# datasource 数据源配置内容
datasource:
# 订单数据源配置
orders:
url: jdbc:mysql://127.0.0.1:3306/test_orders?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
username: root
password:
# HikariCP 自定义配置，对应 HikariConfig 配置属性类
hikari:
minimum-idle: 20 # 池中维护的最小空闲连接数，默认为 10 个。
maximum-pool-size: 20 # 池中最大连接数，包括闲置和使用中的连接，默认为 10 个。
# 用户数据源配置
users:
url: jdbc:mysql://127.0.0.1:3306/test_users?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
username: root
password:
# HikariCP 自定义配置，对应 HikariConfig 配置属性类
hikari:
minimum-idle: 15 # 池中维护的最小空闲连接数，默认为 10 个。
maximum-pool-size: 15 # 池中最大连接数，包括闲置和使用中的连接，默认为 10 个。

8
lab-19/lab-19-datasource-pool-hikaricp-single/src/main/java/cn/iocoder/springboot/lab19/datasourcepool/Application.java
View File

@@ -1,5 +1,7 @@
package cn.iocoder.springboot.lab19.datasourcepool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
@@ -12,6 +14,8 @@ import java.sql.SQLException;
@SpringBootApplication
public class Application implements CommandLineRunner {
private Logger logger = LoggerFactory.getLogger(Application.class);
@Autowired
private DataSource dataSource;
@@ -21,10 +25,10 @@ public class Application implements CommandLineRunner {
}
@Override
public void run(String... args) throws Exception {
public void run(String... args) {
try (Connection conn = dataSource.getConnection()) {
// 这里，可以做点什么
System.out.println("连接：" + conn.getClass());
logger.info("[run][获得连接：{}]", conn);
} catch (SQLException e) {
throw new RuntimeException(e);
}

5
lab-19/lab-19-datasource-pool-hikaricp-single/src/main/resources/application.yaml
View File

@@ -7,6 +7,5 @@ spring:
password: # 数据库密码
# HikariCP 自定义配置，对应 HikariConfig 配置属性类
hikari:
minimum-idle: 10 # 池中维护的最小空闲连接数，默认为 10 个。
maximum-pool-size: 10 # 池中最大连接数，包括闲置和使用中的连接，默认为 10 个。
minimum-idle: 20 # 池中维护的最小空闲连接数，默认为 10 个。
maximum-pool-size: 20 # 池中最大连接数，包括闲置和使用中的连接，默认为 10 个。

5
lab-19/pom.xml
View File

@@ -12,9 +12,10 @@
<artifactId>lab-19</artifactId>
<packaging>pom</packaging>
<modules>
<module>lab-18-hikaricp-single</module>
<module>lab-18-datasource-pool-hikaricp-single</module>
<module>lab-19-datasource-pool-hikaricp-single</module>
<module>lab-19-datasource-pool-hikaricp-multiple</module>
<module>lab-19-datasource-pool-druid-single</module>
<module>lab-19-datasource-pool-druid-multiple</module>
</modules>