如何删除目录/文件夹中的文件
我正在使用这段代码:
private static final String FILE_DIR = "data\\session";
private static final String FILE_TEXT_EXT = ".cache";
private void DeleteCache(String folder, String ext){
GenericExtFilter filter = new GenericExtFilter(ext);
File dir = new File(folder);
File fileDelete;
String[] list = dir.list(filter);
for(String file : list){
String temp = new StringBuffer().append(File.separator).append(file).toString();
fileDelete = new File(temp);
boolean isDelete=fileDelete.delete();
System.out.println("File : "+temp+"is Delete : "+isDelete);
}
if(list.length == 0 ) return;
}
public class GenericExtFilter implements FilenameFilter{
private String ext;
public GenericExtFilter(String ext){
this.ext=ext;
}
public boolean accept (File dir, String name){
return (name.endsWith(ext));
}
}
但是为什么是的,如果,缓存不想被删除示例错误
文件:\31052012-TPBSDERG.cache -is 删除:假