/**
* 实现文件复制
* oldPath 文件原地址
* newPath 文件新地址
**/
private 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
fs.write(buffer, 0, byteread);
}
inStream.close();
}
File file = new File(oldPath);
if (file.exists()) {
file.delete();
}
} catch (Exception e) {
e.printStackTrace();
}
}
java file copy
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Origin blog.csdn.net/personal_csdn/article/details/105815575
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