1、根据文件夹路径读取该文件夹下面所有的文件:
/** * 读取某个文件夹下的所有文件名 */ public static List<File> 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()); files.add(file); } 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()) { files.add(readfile); 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 files; }
2、根据一定规则编译新文件路径(和原文件只是文件名不一致)
/** * 根据一定规则重命名文件 * @param nowFiles * @param oldString 原名字 * @param newString 新名字 * @return */ public static List<File> reNamefiles(List<File> nowFiles,String oldString ,String newString){ List<File> endfiles = new ArrayList<File>(); for(File file:nowFiles){ String path = file.getAbsolutePath(); path = path.replace(oldString, newString); } return endfiles; }
3、文件重命名:
/** * 重命名 * @param nowFile * @param oldFile * @return */ public static File reNamefile(File nowFile,File oldFile){ boolean bool= oldFile.renameTo(nowFile); if(bool){ return nowFile; }else{ return oldFile; } }
所有的代码:
public class FileReNameUtil { public FileReNameUtil() { } /** * 重命名 * @param nowFile * @param oldFile * @return */ public static File reNamefile(File nowFile,File oldFile){ boolean bool= oldFile.renameTo(nowFile); if(bool){ return nowFile; }else{ return oldFile; } } /** * 根据一定规则重命名文件 * @param nowFiles * @param oldString * @param newString * @return */ public static List<File> reNamefiles(List<File> nowFiles,String oldString ,String newString){ List<File> endfiles = new ArrayList<File>(); for(File file:nowFiles){ String path = file.getAbsolutePath(); path = path.replace(oldString, newString); File fileTemp=reNamefile(file,new File(path)); endfiles.add(fileTemp); } return endfiles; } public static void main(String[] args) { List<File> readfiles= new ArrayList<File>(); List<File> writefiles= new ArrayList<File>(); try { readfiles = ReadFile.readfile("**********"); writefiles=reNamefiles(readfiles,"04","03");//将原文件名里的04替换成03 } catch (Exception e) { e.printStackTrace(); System.out.println(e.toString()); } for(int i = 0 ; i<writefiles.size(); i++){ System.out.println(((File)writefiles.get(i)).getPath()); } } }