问题

我的是ssh项目，需要做一个文件上传，然后文件路径需要读取properties配置
在resource下有config/application.properties
在这里插入图片描述
然后工具类是这样写的，这个是可以用的

import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.MissingResourceException;
import java.util.Properties;
import java.util.ResourceBundle;

public class PropertiesUtil {

  private static Properties props = new Properties();

  private static PropertiesUtil instances = null;

  private static String NAME = "config//application";

  public static PropertiesUtil getInstance() {
    if (null == instances) {
      instances = new PropertiesUtil();
    }
    return instances;
  }

  private PropertiesUtil() {
    init(NAME);
  }

  public synchronized void init(String sPropFilePathName) throws MissingResourceException {
    String propFile = sPropFilePathName;
    ResourceBundle bundle = ResourceBundle.getBundle(propFile);
    Enumeration enume = bundle.getKeys();
    Object key = null;
    Object value = null;
    while (enume.hasMoreElements()) {
      key = enume.nextElement();
      value = bundle.getString(key.toString());
      props.put(key, value);
    }
  }

  public String getProperty(String key) {
    return props.getProperty(key);
  }
  
  public static String getValue(String filePath, String key)
	{
		InputStream in = null;
		String value = null;
		try
		{
			in = PropertiesUtil.class.getResourceAsStream(filePath);
			props.load(in);
			value = props.getProperty(key);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}finally{
			try
			{
				if(in != null) {
					in.close();
				}
			}
			catch (IOException e)
			{
				e.printStackTrace();
			}
		}
		return value;

	}
  public static void main(String[] args) {
    System.out.println(PropertiesUtil.getInstance().getProperty("属性key"));
  }

}