判断文件是否存在

whyclj

2019-02-18 b4b9552461a7c2e56ab5f7795d8f704aa0fc3450

 DataBase_Bakeup_SocketServer/src/com/main/HzipServer.java

@@ -144,7 +144,7 @@
               String savePath="D:"+File.separator+MYSQLBACKUPDIR+File.separator;

               File fileroot = new File(savePath);

               File[] files = fileroot.listFiles();

               if(ISNEEDDELETE && files.length >3) {

               if(ISNEEDDELETE && fileroot.exists() && files.length >3) {

                  deleteFileRoot(savePath, MAXSTORAGE);      //删除超过3次的备份数据

                  ISNEEDDELETE = false;

               }