public static void main(String[] args) throws IOException {
//目标路径
String filePath = "E:"+File.separator+"test"+File.separator;
File file = new File(filePath);
//如果文件目录不存在,就执行创建
if(!file.isDirectory()){
file.mkdirs();
}
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHss");
//目标文件名称
String targetName =sdf.format(new Date()) + ".jpg";
System.out.println(targetName);
//创建目标文件
File targetFile = new File(filePath + targetName);
FileOutputStream fos = new FileOutputStream(targetFile);
//读取本地文件
File localFile = new File("E:"+File.separator+"1.jpg");
//获取本地文件输入流
InputStream stream = new FileInputStream(localFile);
//写入目标文件
byte[] buffer = new byte[1024*1024];
int byteRead = 0;
while((byteRead=stream.read(buffer))!=-1){
fos.write(buffer, 0, byteRead);
fos.flush();
}
fos.close();
stream.close();
}
打开App,阅读手记