java读取某个文件夹下的所有文件
学习java基础知识,读取文件,读取某个文件夹,需要读取所有文件,如何实现呢,看下实例代码。
实例代码:
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import java.io.FileNotFoundException; import java.io.IOException; import java.io.File; public class ReadFile { public ReadFile() { } /** * 读取某个文件夹下的所有文件 */ public static boolean readfile(String filepath) throws FileNotFoundException, IOException { try { File file = new File(filepath); if (!file.isDirectory()) { System.out.println( "文件" ); System.out.println( "path=" + file.getPath()); System.out.println( "absolutepath=" + file.getAbsolutePath()); System.out.println( "name=" + file.getName()); } else if (file.isDirectory()) { System.out.println( "文件夹" ); String[] filelist = file.list(); for ( int i = 0 ; i < filelist.length; i++) { File readfile = new File(filepath + "\\" + filelist[i]); if (!readfile.isDirectory()) { System.out.println( "path=" + readfile.getPath()); System.out.println( "absolutepath=" + readfile.getAbsolutePath()); System.out.println( "name=" + readfile.getName()); } else if (readfile.isDirectory()) { readfile(filepath + "\\" + filelist[i]); } } } } catch (FileNotFoundException e) { System.out.println( "readfile() Exception:" + e.getMessage()); } return true ; } /** * 删除某个文件夹下的所有文件夹和文件 */ /*public static boolean deletefile(String delpath) throws FileNotFoundException, IOException { try { File file = new File(delpath); if (!file.isDirectory()) { System.out.println("1"); file.delete(); } else if (file.isDirectory()) { System.out.println("2"); String[] filelist = file.list(); for (int i = 0; i < filelist.length; i++) { File delfile = new File(delpath + "\\" + filelist[i]); if (!delfile.isDirectory()) { System.out.println("path=" + delfile.getPath()); System.out.println("absolutepath=" + delfile.getAbsolutePath()); System.out.println("name=" + delfile.getName()); delfile.delete(); System.out.println("删除文件成功"); } else if (delfile.isDirectory()) { deletefile(delpath + "\\" + filelist[i]); } } file.delete(); } } catch (FileNotFoundException e) { System.out.println("deletefile() Exception:" + e.getMessage()); } return true; }*/ public static void main(String[] args) { try { readfile( "e:/videos" ); // deletefile("D:/file"); } catch (FileNotFoundException ex) { } catch (IOException ex) { } System.out.println( "ok" ); } } |
原文链接:http://blog.csdn.net/devilnov/article/details/9996861