package com.jiub.client.mobile.addphoto; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import android.graphics.Bitmap; import android.os.Environment; import android.util.Log; public class FileUtils { public static String SDPATH = Environment.getExternalStorageDirectory() + "/formats/";//获取文件夹 //保存图片 public static void saveBitmap(Bitmap bm, String picName) { Log.e("", "保存图片"); Log.d("text", SDPATH); try { if (!isFileExist("")) { File tempf = createSDDir(""); } File f = new File(SDPATH, picName + ".JPEG"); if (f.exists()) { f.delete(); } FileOutputStream out = new FileOutputStream(f); bm.compress(Bitmap.CompressFormat.JPEG, 90, out); out.flush(); out.close(); Log.e("", "已经保存"); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } public static File createSDDir(String dirName) throws IOException { File dir = new File(SDPATH + dirName); if (Environment.getExternalStorageState().equals( Environment.MEDIA_MOUNTED)) { System.out.println("createSDDir:" + dir.getAbsolutePath()); System.out.println("createSDDir:" + dir.mkdir()); } return dir; } public static boolean isFileExist(String fileName) { File file = new File(SDPATH + fileName); file.isFile(); return file.exists(); } //删除文件 public static void delFile(String fileName){ File file = new File(SDPATH + fileName); if(file.isFile()){ file.delete(); } file.exists(); } //删除文件夹和文件夹里面的文件 public static void deleteDir() { File dir = new File(SDPATH); if (dir == null || !dir.exists() || !dir.isDirectory()) return; for (File file : dir.listFiles()) { if (file.isFile()) file.delete(); // 删除所有文件 else if (file.isDirectory()) deleteDir(); // 递规的方式删除文件夹 } dir.delete();// 删除目录本身 } public static boolean fileIsExists(String path) { try { File f = new File(path); if (!f.exists()) { return false; } } catch (Exception e) { return false; } return true; } }
时间: 2024-10-12 20:40:12