app/src/main/java/com/hdl/photovoltaic/other/HdlFileLogic.java
@@ -13,10 +13,18 @@ import java.io.FileOutputStream; import java.io.IOException; /** * 文件界面的逻辑 */ public class HdlFileLogic { private static volatile HdlFileLogic sHdlFileLogic; /** * 获取当前对象 * * @return HdlFileLogic */ public static synchronized HdlFileLogic getInstance() { if (sHdlFileLogic == null) { synchronized (HdlFileLogic.class) {