多个文档合并输出到一个文档
方法：Java NIO
package First;import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.nio.channels.FileChannel;
import java.nio.channels.WritableByteChannel;public class Test {public static void main(String params[]) throws Exception {String[] iF = new String[] {"E:/test1.txt", "E:/test2.txt", "E:/test3.txt", "E:/test4.txt" };String oF = "E:/out.txt";FileOutputStream output = new FileOutputStream(new File(oF));WritableByteChannel targetChannel = output.getChannel();for(int i =0; i<iF.length; i++){FileInputStream input = new FileInputStream(iF[i]);FileChannel inputChannel = input.getChannel();inputChannel.transferTo(0, inputChannel.size(), targetChannel);inputChannel.close();input.close();}targetChannel.close();output.close();System.out.println("All jobs done...");}}
