文件的复制和删除
/** * 删除文件,通过文件的类型 * @param filePath * @param type */public static void deleteType(String filePath,String type){File file = new File(filePath);if(!file.isDirectory())return;String[] list = file.list();if(list==null)return;for(int i=0;i<list.length;i++){File f = new File(file,list[i]);String panth = f.getPath();if(f.isDirectory()){deleteType(panth,type);}if(panth.endsWith(type)){System.out.println(f.getFreeSpace()+","+panth);//f.delete();}}file.delete();}/** * 复制文件 * @param fromFilepath * @param toFilepath */public static void copyFile(File fromFile,File tofile){if(tofile!=null&&tofile.isDirectory()){tofile = new File(tofile,fromFile!=null?fromFile.getName():"");}InputStream inputs =null;OutputStream output =null;try {inputs = new FileInputStream(fromFile);output = new FileOutputStream(tofile);byte[] b = new byte[1024];int len = inputs.read(b);while(len!=-1){output.write(b, 0, len);len = inputs.read(b);}//System.out.println("----------copy successful-------------");} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}/** * 复制文件夹 * @param fromFilepath * @param toFilepath */public static void copyDir(String fromFilepath,String toFilepath){File fromFile = new File(fromFilepath);File toFile = new File(toFilepath);if(fromFile.isDirectory()&&flag){toFilepath = toFilepath+"/"+fromFile.getName();toFile = new File(toFilepath);if(!toFile.exists())toFile.mkdirs();flag = false;}String[] list = fromFile.list();if(list==null)return;for(int i=0;i<list.length;i++){File file = new File(fromFile,list[i]);if(file!=null&&file.isDirectory()){toFile = new File(toFilepath,list[i]);if(!toFile.exists())toFile.mkdirs();System.out.println("--------"+file.getPath()+"-------------i="+i+"----->"+list[i]);System.out.println("++++++++"+toFile.getPath()+"+++++++++++++");copyDir(file.getPath(),toFile.getPath());}elsecopyFile(file, toFile);}}