android 复制文件夹, 复制文件

以你之姓@ 2022-05-15 01:51 345阅读 0赞

package uusafe;

import android.util.Log;

import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;

/\*\*  
\* Created by darren on 17-7-5.  
\*/

public class debug \{

/\*\*  
\* 复制文件夹  
\*/  
public static boolean copyDirectory(File src, File dest) \{  
if (!src.isDirectory()) \{  
return false;  
\}  
if (!dest.isDirectory() && !dest.mkdirs()) \{  
return false;  
\}

File\[\] files = src.listFiles();  
for (File file : files) \{  
File destFile = new File(dest, file.getName());  
if (file.isFile()) \{  
if (!copyFile(file, destFile)) \{  
return false;  
\}  
\} else if (file.isDirectory()) \{  
if (!copyDirectory(file, destFile)) \{  
return false;  
\}  
\}  
\}  
return true;  
\}

/\*\*  
\* 复制文件  
\*/  
public static boolean copyFile(File src, File des) \{  
if (!src.exists()) \{  
Log.e("cppyFile", "file not exist:" + src.getAbsolutePath());  
return false;  
\}  
if (!des.getParentFile().isDirectory() && !des.getParentFile().mkdirs()) \{  
Log.e("cppyFile", "mkdir failed:" + des.getParent());  
return false;  
\}  
BufferedInputStream bis = null;  
BufferedOutputStream bos = null;  
try \{  
bis = new BufferedInputStream(new FileInputStream(src));  
bos = new BufferedOutputStream(new FileOutputStream(des));  
byte\[\] buffer = new byte\[4 \* 1024\];  
int count;  
while ((count = bis.read(buffer, 0, buffer.length)) != -1) \{  
if (count > 0) \{  
bos.write(buffer, 0, count);  
\}  
\}  
bos.flush();  
return true;  
\} catch (Exception e) \{  
Log.e("copyFile", "exception:", e);  
\} finally \{  
if (bis != null) \{  
try \{  
bis.close();  
\} catch (IOException e) \{  
e.printStackTrace();  
\}  
\}  
if (bos != null) \{  
try \{  
bos.close();  
\} catch (IOException e) \{  
e.printStackTrace();  
\}  
\}  
\}  
return false;  
\}  
\}