依赖版本

Spring Boot：1.5.18

druid-spring-boot-starter：1.1.10

参考文档

druid-spring-boot-starter

pom配置

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<?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">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.mytest</groupId>
    <artifactId>druid</artifactId>
    <version>0.0.1-SNAPSHOT</version>

    <properties>

        <sqlite.version>3.15.1</sqlite.version>
        <mysql.version>5.1.41</mysql.version>
        <druid-starter.version>1.1.10</druid-starter.version>
    </properties>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.18.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--配置文件处理器，配置文件进行绑定就会有提示-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
        <!--&lt;!&ndash; 热部署 &ndash;&gt;-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency>
        <!-- Spring JDBC支持-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <!-- springboot集成druid 连接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>${druid-starter.version}</version>
        </dependency>

  
        <!-- SpringBoot 单元测试支持-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
        </dependency>
    
        <dependency>
            <groupId>org.xerial</groupId>
            <artifactId>sqlite-jdbc</artifactId>
            <version>${sqlite.version}</version>
            <scope>runtime</scope>
        </dependency>


        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
    </dependencies>


    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.0</version>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

springboot配置文件

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spring.application.name=druid_test

# 数据源配置
# 数据源 one
spring.datasource.druid.one.url=jdbc:mysql://127.0.0.1:3306/one?useUnicode=true&characterEncoding=utf8&autoReconnect=true&useSSL=false
spring.datasource.druid.one.username=root
spring.datasource.druid.one.password=root
spring.datasource.druid.one.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.druid.one.initial-size=5
spring.datasource.druid.one.min-idle=15
spring.datasource.druid.one.max-active=60
spring.datasource.druid.one.validation-query=SELECT 1
spring.datasource.druid.one.test-on-borrow=true
spring.datasource.druid.one.test-while-idle=true
spring.datasource.druid.one.time-between-eviction-runs-millis=60000
#数据源 two
spring.datasource.druid.two.url=jdbc:mysql://127.0.0.1:3306/two?useUnicode=true&characterEncoding=utf8&autoReconnect=true&useSSL=false
spring.datasource.druid.two.username=root
spring.datasource.druid.two.password=root
spring.datasource.druid.two.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.druid.two.initial-size=5
spring.datasource.druid.two.min-idle=15
spring.datasource.druid.two.max-active=60
spring.datasource.druid.two.validation-query=SELECT 1
spring.datasource.druid.two.test-on-borrow=true
spring.datasource.druid.two.test-while-idle=true
spring.datasource.druid.two.time-between-eviction-runs-millis=60000


# 合并多个datasource监控
spring.datasource.druid.use-global-data-source-stat=true
# WebStatFilter配置，说明请参考Druid Wiki，配置_配置WebStatFilter
spring.datasource.druid.web-stat-filter.enabled=true
spring.datasource.druid.web-stat-filter.url-pattern=/*
spring.datasource.druid.web-stat-filter.exclusions=*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*
#spring.datasource.druid.web-stat-filter.session-stat-enable=
#spring.datasource.druid.web-stat-filter.session-stat-max-count=
#spring.datasource.druid.web-stat-filter.principal-session-name=
#spring.datasource.druid.web-stat-filter.principal-cookie-name=
#spring.datasource.druid.web-stat-filter.profile-enable=

# StatViewServlet配置，说明请参考Druid Wiki，配置_StatViewServlet配置
spring.datasource.druid.stat-view-servlet.enabled=true
spring.datasource.druid.stat-view-servlet.url-pattern=/admin/druid/*
spring.datasource.druid.stat-view-servlet.reset-enable=false
#spring.datasource.druid.stat-view-servlet.login-username=admin
#spring.datasource.druid.stat-view-servlet.login-password=admin
#spring.datasource.druid.stat-view-servlet.allow=
#spring.datasource.druid.stat-view-servlet.deny=

# Spring监控配置，说明请参考Druid Github Wiki，配置_Druid和Spring关联监控配置
#spring.datasource.druid.aop-patterns= # Spring监控AOP切入点，如x.y.z.service.*,配置多个英文逗号分隔

配置注入

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import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
import org.slf4j.Logger;
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 DataSourceConfigurer {
    private static final Logger log = org.slf4j.LoggerFactory.getLogger(DataSourceConfigurer.class);
    @Primary
    @Bean(value = "dataSourceOne",initMethod = "init")
    @ConfigurationProperties("spring.datasource.druid.one")
    public DataSource dataSourceOne(){
        log.info("Init DataSourceOne");
        return DruidDataSourceBuilder.create().build();
    }

    @Bean(value = "dataSourceTwo",initMethod = "init")
    @ConfigurationProperties("spring.datasource.druid.two")
    public DataSource dataSourceTwo(){
        log.info("Init DataSourceTwo");
        return DruidDataSourceBuilder.create().build();
    }
}