package nio;
import java.io.IOException;
import java.nio.channels.FileChannel;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
/**
* Created by liupengfei on 2018/3/27.
* Description: 单个文件之间的传输
*/
public class NIOFileToFile {
public static void main(String[] args)throws IOException {
//开启通道新方式
FileChannel inChannel = FileChannel.open(Paths.get("/Users/liupengfei/Downloads/java的23种设计模式-动力节点.pdf"), StandardOpenOption.READ);
FileChannel ouChannel = FileChannel.open(Paths.get("/Users/liupengfei/Downloads/java的23种设计模式-动力节点2.pdf"), StandardOpenOption.READ,StandardOpenOption.WRITE,StandardOpenOption.CREATE);
//利用通道之间的传输来复制数据，实际用的是内存映射的方式
inChannel.transferTo(0, inChannel.size(), ouChannel);
inChannel.close();
ouChannel.close();
System.out.println("game over...");
}
}
让我们来看下java.nio.channels包中的FileChannel
NIO示例中的ServerSocketChannel
