package?BLL;

import?java.io.File;

public?class?DirectoryInfo?{
	?public?static?DirectoryInfo?_instance?=?null;
	?public?long?File_Num?Directory_Num;
	?public?DirectoryInfo（）{
		?this._instance?=?this;
		?File_Num?=?0;
		?Directory_Num?=?0;
	?}
	
	?public?long?getDirSize（File?file）?{?????
	????????//判斷文件是否存在?????
	????????if?（file.exists（））?{?????
	????????????//如果是目錄則遞歸計算其內(nèi)容的總大小????
	????????????if?（file.isDirectory（））{?????	????????????	
	????????????	this.Directory_Num++;
	????????????????File[]?children?=?file.listFiles（）;?????
	????????????????long?size?=?0;?????
	????????????????for?（File?f?:?children）?
	????????????????????size?+=?getDirSize（f）;?????
	????????????????return?size;?????
	????????????}?else?{
	????????????	this.File_Num++;
	????????????????long?size?=?file.length（）;????????
	????????????????return?size;?????
	????????????}?????
	????????}?else?{?????
	????????????System.out.println（“文件或者文件夾不存在，請檢查路徑是否正確！“）;?????
	????????????return?0;?????
	????????}?????
	????}?????
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-05-21?15:23??FileManager\
?????文件?????????638??2018-05-19?08:59??FileManager\.classpath
?????文件?????????387??2018-05-01?17:02??FileManager\.project
?????目錄???????????0??2018-05-21?15:23??FileManager\.settings\
?????文件??????????75??2018-05-21?14:24??FileManager\.settings\org.eclipse.core.resources.prefs
?????文件?????????598??2018-05-19?08:59??FileManager\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2018-05-21?15:23??FileManager\bin\
?????目錄???????????0??2018-05-21?15:23??FileManager\bin\BLL\
?????文件????????1224??2018-05-19?19:24??FileManager\bin\BLL\DirectoryInfo.class
?????文件????????2958??2018-05-21?15:11??FileManager\bin\BLL\DriveChart.class
?????文件????????2140??2018-05-19?20:11??FileManager\bin\BLL\FileDelete.class
?????文件????????2963??2018-05-19?19:24??FileManager\bin\BLL\FileSearch.class
?????文件????????1360??2018-05-21?14:25??FileManager\bin\BLL\FilesTree$1.class
?????文件?????????885??2018-05-21?14:25??FileManager\bin\BLL\FilesTree$2.class
?????文件????????2664??2018-05-21?14:25??FileManager\bin\BLL\FilesTree$FileTreeCellRenderer.class
?????文件????????1275??2018-05-21?14:25??FileManager\bin\BLL\FilesTree$FileTreeNode$1.class
?????文件????????2543??2018-05-21?14:25??FileManager\bin\BLL\FilesTree$FileTreeNode.class
?????文件????????2085??2018-05-21?14:25??FileManager\bin\BLL\FilesTree.class
?????文件????????2316??2018-05-19?19:24??FileManager\bin\BLL\FileTime.class
?????文件????????2031??2018-05-19?21:08??FileManager\bin\BLL\GetFileIcon.class
?????文件????????1504??2018-05-19?21:18??FileManager\bin\BLL\GetFileNames.class
?????文件????????1172??2018-05-19?21:13??FileManager\bin\BLL\MemoryInfo.class
?????目錄???????????0??2018-05-21?15:23??FileManager\bin\UI\
?????文件???????10430??2018-05-19?21:01??FileManager\bin\UI\FileProperties.class
?????文件????????1651??2018-05-21?15:18??FileManager\bin\UI\MainForm$1.class
?????文件???????18850??2018-05-21?15:18??FileManager\bin\UI\MainForm.class
?????文件????????1719??2018-05-19?19:24??FileManager\bin\UI\MyCellRenderer.class
?????目錄???????????0??2018-05-21?15:23??FileManager\lib\
?????文件??????232898??2018-05-14?19:49??FileManager\lib\gnujaxp-1.0.0.jar
?????文件??????309293??2018-05-14?19:50??FileManager\lib\jcommon-1.0.16.jar
?????文件?????1425742??2018-05-14?19:50??FileManager\lib\jfreechart-1.0.13.jar
............此處省略15個文件信息