So verwenden Sie eingebettetes MySQL in Java

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();  
}  
}