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 李巖飛 * @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; /** * 考慮到數據庫的性能問題,允許將數據庫放在其它磁盤 */ 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; } /** * 獲得當前應用主目錄 * @return 當前應用啟動程序所在目錄. */ 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; } /** * 判斷mysql是否正在運行 */ 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();  //根據機器配置，設置不同的參數  pro.load(MysqlTest.class.getResourceAsStream("MySql_medium.properties"));  new EmbedMySqlServer(pro).startup();  //可以把數據庫放到其他磁盤  //new EmbedMySqlServer(pro,"f://").startup();  Connection conn = getTestConnection();  System.out.println(conn.isClosed());  conn.close(); } catch (Exception e) {  e.printStackTrace(); } }