读取后缀替properties文件

读取后缀为properties文件

public class GetCfg {
?private static Properties pro = null;
?private static GetCfg getcfg = new GetCfg();? //调用方法之前先初始化static变量
?private GetCfg()
?{
??pro = new Properties();????//new Properties对象
??try {
???pro.load(this.getClass().getClassLoader().getResourceAsStream("conf.properties"));?//读取加载conf.properties文件
??} catch (IOException e) {
?????e.printStackTrace();
??}
?}
?
?public static String getValue(String key)
?{
??String v = pro.getProperty(key.trim()).trim();???? //通过变量名或得具体的值
??return (null == v)? "" : v.trim();
?}
?public static String getDefaultValue(String key ,String defaultStr)
?{
??return pro.getProperty(key.trim(), defaultStr).trim();
?}
}