spring PropertiesLoaderUtils操作Properties文件

import java.io.IOException;
import java.util.Properties;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.support.PropertiesLoaderUtils;

public class PropertiesUtil {

private static Logger logger = LoggerFactory.getLogger(PropertiesUtil.class);

    private static Properties properties= new Properties();
   
    /*properties文件名*/
    private static final String PROPERTIES_FILE_NAME="centrin-dao.properties";
   
   
    public static String getProperty(String name) {
      String result = null;
   
      try {
       //下载文件
      properties = PropertiesLoaderUtils.loadAllProperties(PROPERTIES_FILE_NAME);
       result = properties.getProperty(name);//根据name得到对应的value
      } catch (IOException e) {
       logger.warn(" loadAllProperties  error 1");
       e.printStackTrace();
      }
      return result;

    }
   
    public static String getProperty(String name ,String properties_name) {
    String result = null;
 
    try {
     //下载文件
  properties = PropertiesLoaderUtils.loadAllProperties(properties_name);
     result = properties.getProperty(name);//根据name得到对应的value
    } catch (IOException e) {
     logger.warn(" loadAllProperties  error 1");
     e.printStackTrace();
    }
    return result;

  }
    public static void main(String[] args) throws IOException {
   
   
    System.out.println(PropertiesUtil.getProperty("createPlanPath"));
       
    }
}