public static void CopyFile(String oldPath, String newPath) { |
try { |
int bytesum = 0 ; |
int byteread = 0 ; |
File oldfile = new File(oldPath); |
if (oldfile.exists()) { // 文件存在时 |
InputStream inStream = new FileInputStream(oldPath); // 读入原文件 |
FileOutputStream fs = new FileOutputStream(newPath); |
byte [] buffer = new byte [ 1444 ]; |
while ((byteread = inStream.read(buffer)) != - 1 ) { |
bytesum += byteread; // 字节数 文件大小 |
System.out.println(bytesum); |
fs.write(buffer, 0 , byteread); |
} |
inStream.close(); |
} |
} catch (Exception e) { |
System.out.println( "复制单个文件操作出错" ); |
e.printStackTrace(); |
} |
} |