spring cloud 配置阿里数据库连接池 druid

 1.配置pom

	    <!-- druid 数据库连接池  -->
	    <dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
			<version>1.1.12</version>
			<exclusions>  
		        <exclusion>  
		            <groupId>com.alibaba</groupId>  
		            <artifactId>jconsole</artifactId>  
		        </exclusion>  
		        <exclusion>  
		            <groupId>com.alibaba</groupId>  
		            <artifactId>tools</artifactId>  
		        </exclusion>  
		    </exclusions>
		</dependency>