packagetest;importjava.io.FileNotFoundException;importjava.io.IOException;importjava.io.File;public classDelFile {/*** 删除某个文件夹下的所有文件夹和文件
*
*@paramdelpath
* String
*@throwsFileNotFoundException
*@throwsIOException
*@returnboolean*/
public static boolean deletefile(String delpath) throwsException {try{
File file= newFile(delpath);//当且仅当此抽象路径名表示的文件存在且 是一个目录时,返回 true
if (!file.isDirectory()) {
file.delete();
}else if(file.isDirectory()) {
String[] filelist=file.list();for (int i = 0; i < filelist.length; i++) {
File delfile= new File(delpath + "\\" +filelist[i]);if (!delfile.isDirectory()) {
delfile.delete();
System.out.println(delfile.getAbsolutePath()+ "删除文件成功");
}else if(delfile.isDirectory()) {
deletefile(delpath+ "\\" +filelist[i]);
}
}
System.out.println(file.getAbsolutePath()+ "删除成功");
file.delete();
}
}catch(FileNotFoundException e) {
System.out.println("deletefile() Exception:" +e.getMessage());
}return true;
}/*** 输出某个文件夹下的所有文件夹和文件路径
*
*@paramdelpath
* String
*@throwsFileNotFoundException
*@throwsIOException
*@returnboolean*/
public static booleanreadfile(String filepath)throwsFileNotFoundException, IOException {try{
File file= newFile(filepath);
System.out.println("遍历的路径为:" +file.getAbsolutePath());//当且仅当此抽象路径名表示的文件存在且 是一个目录时(即文件夹下有子文件时),返回 true
if (!file.isDirectory()) {
System.out.println("该文件的绝对路径:" +file.getAbsolutePath());
System.out.println("名称:" +file.getName());
}else if(file.isDirectory()) {//得到目录中的文件和目录
String[] filelist =file.list();if (filelist.length == 0) {
System.out.println(file.getAbsolutePath()+ "文件夹下,没有子文件夹或文件");
}else{
System.out
.println(file.getAbsolutePath()+ "文件夹下,有子文件夹或文件");
}for (int i = 0; i < filelist.length; i++) {
File readfile= new File(filepath + "\\" +filelist[i]);
System.out.println("遍历的路径为:" +readfile.getAbsolutePath());if (!readfile.isDirectory()) {
System.out.println("该文件的路径:"
+readfile.getAbsolutePath());
System.out.println("名称:" +readfile.getName());
}else if(readfile.isDirectory()) {
System.out.println("-----------递归循环-----------");
readfile(filepath+ "\\" +filelist[i]);
}
}
}
}catch(FileNotFoundException e) {
System.out.println("readfile() Exception:" +e.getMessage());
}return true;
}public static voidmain(String[] args) {try{//readfile("D:/file");
deletefile("E:/a");
}catch(Exception ex) {
ex.printStackTrace();
}
System.out.println("ok");
}
}