java 读取项目外面配置文件的方法

public static void loadProps(String propertiesUrl) {
props = new Properties();
InputStream in = null;
try {
in =new BufferedInputStream(new FileInputStream(propertiesUrl));
props.load(in);
} catch (FileNotFoundException e) {
logger.error("jdbc.properties文件未找到");
} catch (IOException e) {
logger.error("出现IOException");
} finally {
try {
if (null != in) {
in.close();
}
} catch (IOException e) {
logger.error("jdbc.properties文件流关闭出现异常");
}
}
logger.debug("加载properties文件内容完成...........");
logger.debug("properties文件内容：" + props);
}

public static String getProperty(String key) {
if (null == props) {
logger.debug("加载配置文件出错");
}
return props.getProperty(key);
}