java读取properties配置文件信息

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/databaseName?useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=abc123

import java.io.IOException;
import java.util.Properties;

/**
* 获取配置文件，数据库连接
* @author LiuJinan
*
*/
public class Configure {

public static String url;
public static String username;
public static String password;
public static String dirver;

private static Properties props = new Properties();
private static final String CONFIGURE_FILE = "jdbc.properties"; //文件名称

static{
try {
props.load(Configure.class.getResourceAsStream(CONFIGURE_FILE));
dirver = props.getProperty("jdbc.driver");  //key与配置文件相对应
url = props.getProperty("jdbc.url");
username = props.getProperty("jdbc.username");
password = props.getProperty("jdbc.password");
} catch (IOException e) {
System.out.println("加载配置文件失败.  "+CONFIGURE_FILE);
e.printStackTrace();
}
}
}