java读取配置文件key/value

从资源文件里读取值的类，文件后缀不一定要.Properties，只要里面内容如：url=www.cnsec.net
可通过key（url）取得值-www.cnsec.net，简单、强大


import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;
/**
* ReadProperties.java
* Description: 读取操作属性配置文件
* @author li.b
* @version 2.0
* Jun 26, 2008
*/
public class ReadProperties {

    /**
     * Description: 获取属性配置文件
     * @param path 资源文件路径
     * @return    Properties Object
     * @throws FileNotFoundException
     * @throws IOException
     */
    public static Properties getProperties(String path) throws FileNotFoundException, IOException{
        Properties props = null;
        File file = new File(path);
        if(file.exists() && file.isFile()){
            props = new Properties();
            props.load(new FileInputStream(file));
        }else{
            System.out.println(file.toString() + "不存在！");
        }
        return props;
    }
   
    /**
     * Description: 从属性文件获取值
     * @param props Properties Object
     * @param key
     * @return 通过key匹配到的value
     */
    public static String getValue(Properties props,String key,String encod){
        String result = "";
        String en = "";
        String localEN = System.getProperty("file.encoding");
        if(encod !=null && !encod.equals("") ){
            en = encod;
        }else{
            en = localEN;
        }
        try {
            key = new String(key.getBytes(en),"ISO-8859-1");
            result = props.getProperty(key);
            if(!result.equals("")){
                    result = new String(result.getBytes("ISO-8859-1"),en);               
            }
        } catch (Exception e) {
        }finally{
            if(result == null)result = "";
            return result;
        }
    }
   
    public static String getValue(Properties props,String key){
        return getValue(props, key, "");
    }

}


==========================
Properties p = new Properties();
InputStream in = null;
try {
in = SysConfig.class.getResourceAsStream("/area.properties");
p.load(in);
area=p.get("area").toString();
if(area==null)
area = "ZS";
cuofengTreeLevel = p.getProperty("cuofengTreeLevel");
if(cuofengTreeLevel == null){
cuofengTreeLevel = "line";
}
driver = p.getProperty("driver");
} catch (Exception e) {
log.debug(e.getMessage());
}finally{
if(in != null)
try {
in.close();
} catch (IOException e) {
log.debug(e.getMessage());
throw new RuntimeException(e);
}
}