| // System.out.println(f.fileIsNull("f:\\","122.txt")); // f.readFolderByFile("F:\\PDF"); // System.out.println(f.createAndDeleteFolder("ss","f:\\")); // System.out.println(f.createAndDeleteFile("f:\\ss\\","TestFile.dat")); String[] ss = new String[50]; for(int i=0;i{ ss[i] = "信息技术和互联网(计算机软硬件,通讯) "+i; } f.writeFile("f:\\ss\\","TestFile.txt",ss); } /** * 文件的写入 * @param filePath(文件路径) * @param fileName(文件名) * @param args[] * @throws IOException */ public void writeFile(String filePath,String fileName,String[] args) throws IOException { FileWriter fw = new FileWriter(filePath+fileName); PrintWriter out=new PrintWriter(fw); for(int i=0;i{ out.write(args[i]); out.println(); out.flush(); } fw.close(); out.close(); } /** * 文件的写入 * @param filePath(文件路径) * @param fileName(文件名) * @param args * @throws IOException */ public void writeFile(String filePath,String fileName,String args) throws IOException { FileWriter fw = new FileWriter(filePath+fileName); fw.write(args); fw.close(); } /** * 创建与删除文件 * @param filePath * @param fileName * @return 创建成功返回true * @throws IOException */ public boolean createAndDeleteFile(String filePath,String fileName) throws IOException { boolean result = false; File file = new File(filePath,fileName); if(file.exists()) { file.delete(); result = true; System.out.println("文件已经删除！"); } else { file.createNewFile(); result = true; System.out.println("文件已经创建！"); } return result; } /** * 创建和删除目录 * @param folderName * @param filePath * @return 删除成功返回true */ public boolean createAndDeleteFolder(String folderName,String filePath) { |
