import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import lombok.extern.slf4j.Slf4j;
import net.sf.ehcache.util.PropertyUtil;
@Slf4j
public class PropertiesUtil {
private static Properties props;
static {
loadProps();//静态代码块加载 一次加载多次使用
}
private synchronized static void loadProps(