public class PropertiesUtil{
private static Properties properties;
static{
InputStream in = null;
try{
in = PropertiesUtil.class.getClassLoader().getResourceAsStream("jdbc.properties");
properties = new Properties();
properties.load(in);
}catch(Exception e){
e.printStackTrace();
}finally{
try{
if(in != null){
in.close();
}
}catch(Exception e){
e.printStackTrace();
}
}
}
public static Properties getPropertis(){
return properties;
}
}
原文：https://www.cnblogs.com/lingtiaoti/p/9887232.html