读取配置文件随记

import java.io.InputStream;
import java.util.Properties;

/**
 * 属性文件操作类
 *
 */
public class PropertyUtils {
	private final static String FILE_NAME = "config.properties"; 
	private static Properties property = null; 
	
	private PropertyUtils(){
		
	}
	
	static{
		if(null == property){
			property = new Properties();
		}
		try {
			//读取src目录下的配置文件
			InputStream is = PropertyUtils.class.getClassLoader().getResourceAsStream(FILE_NAME);
			//读取PropertyUtils.java所在文件夹下的配置文件
			//InputStream is =  PropertyUtils.class.getResourceAsStream(FILE_NAME);
			property.load(is);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	public static String getProperty(String key){
		return property.getProperty(key);
	}
}