Java中如何使用嵌入MySQL

package net.simple.mysql;import java.io.File;import java.util.HashMap;import java.util.Map;import java.util.Properties;import java.util.Set;import com.mysql.management.MysqldResource;/**
 * 
 * @author 李岩飞
 * @email eliyanfei@126.com	
 * 2016年11月2日 下午1:44:55
 *
 */public final class EmbedMySqlServer {	private MysqldResource mysqlInstance;	//配置信息
	public final Properties props;	//端口信息
	private String port;	/**
	 * 考虑到数据库的性能问题,允许将数据库放在其它磁盘
	 */
	private String embedMySqlHome;	public EmbedMySqlServer(final Properties props) {		this.props = props;
	}	public EmbedMySqlServer(final Properties props, String embedMySqlHome) {		this.embedMySqlHome = embedMySqlHome;		this.props = props;
	}	public final String getEmbedMySqlHome() {		return null == embedMySqlHome ? getPlatformBaseDir() : embedMySqlHome;
	}	/**
	* 获得当前应用主目录
	* @return 当前应用启动程序所在目录.
	*/
	public static String getPlatformBaseDir() {		return System.getProperty("user.dir");
	}	public static boolean isBlank(final String str) {		int strLen;		if (str == null || (strLen = str.length()) == 0) {			return true;
		}		for (int i = 0; i < strLen; i++) {			if (Character.isWhitespace(str.charAt(i)) == false) {				return false;
			}
		}		return true;
	}	public void startup() {		final File baseDir = new File(getEmbedMySqlHome(), "mysql-em");
		mysqlInstance = new MysqldResource(baseDir);
		port = props.getProperty("port");		if (isBlank(port))
			props.put("port", port = String.valueOf((int) (Math.random() * 40000)));		final Set<Object> keys = props.keySet();		final Map<String, String> options = new HashMap<String, String>(keys.size());		for (final Object key : keys) {			final String val = props.getProperty(key.toString());			if ("".equals(val))
				options.put(key.toString(), null);			else
				options.put(key.toString(), val.replace("{$contextPath}", getPlatformBaseDir()));
		}		if (!mysqlInstance.isRunning())
			mysqlInstance.start("Em_MySQL", options, false, keys.contains("defaults-file"));
	}	public String getPort() {		return port;
	}	/**
	 * 判断mysql是否正在运行
	 */
	public boolean isRunning() {		return null == mysqlInstance ? false : mysqlInstance.isRunning();
	}	public void shutdown() {		if (mysqlInstance != null)
			mysqlInstance.shutdown();
	}	public void cleanup() {		if (mysqlInstance != null)
			mysqlInstance.cleanup();
	}
}

public static void main(String[] args) {		try {
			Properties pro = new Properties();			
                       //根据机器配置，设置不同的参数
			pro.load(MysqlTest.class.getResourceAsStream("MySql_medium.properties"));		
	                new EmbedMySqlServer(pro).startup();			
	                //可以把数据库放到其他磁盘
	      		//new EmbedMySqlServer(pro,"f:\").startup();
			Connection conn = getTestConnection();
			System.out.println(conn.isClosed());
			conn.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

如果需要初始化用户名和密码，在启动的配置文件里面，加入下面3句话
initialize-user=trueinitialize-user.user=root
initialize-user.password=123456