获取配置文件工具类

package main.java.sinosoft.utils;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;

import org.apache.http.impl.io.SocketOutputBuffer;
import org.apache.log4j.Logger;


/**
 * 获取配置文件（读取和jar包同级目录的config.properties的配置文件）
 * 
 * @author yqzhilan
 *
 */
public class PropertyUtils {
	protected static Logger logger = Logger.getLogger(PropertyUtils.class);
	 //保存系统文件。
	private static String sysFile = "config.properties";
	private static Properties Sysproperties ;
	 static {
		 Sysproperties = PropertyUtils.getProperties(sysFile);
	 }
	
	/**
	 * 获取指定路径下的配置文件信息
	 * 
	 * @param configPath
	 * @return
	 */
	public static Properties getProperties(String configPath) {
		Properties pros = new Properties();
		try {
			ClassLoader cl = ClassLoader.getSystemClassLoader();
			ClassLoader.getSystemClassLoader().getResource(sysFile);
			pros.load(new InputStreamReader(cl.getResourceAsStream(sysFile), "UTF-8"));		
		} catch (IOException e) {
			e.printStackTrace();
		}
		return pros;
	}
	
	public static String getSysConfigSet(String key){
		return Sysproperties.getProperty(key);
	}
	
}

 　获取类路径下的配置文件　

public class PropertyUitls {
    protected static Logger logger = Logger.getLogger(PropertyUitls.class);
     //保存系统文件。
     private static String sysFile = "config.properties";
     private static Properties Sysproperties ;
     static {
         Sysproperties = PropertyUitls.getProperties(sysFile);
     }
    
    /**
     * 获取指定路径下的配置文件信息
     * 
     * @param configPath
     * @return
     */
    public static Properties getProperties(String configPath) {
        Properties pros = new Properties();
        try {
            ClassLoader cl = PropertyUitls.class.getClassLoader();
            pros.load(new InputStreamReader(cl.getResourceAsStream(configPath), "UTF-8"));
        } catch (IOException e) {
            e.printStackTrace();
        }
        return pros;
    }
    
    public static String getSysConfigSet(String key){
        return Sysproperties.getProperty(key);
    }
    
 
}