Import java.io.*;
Import java.util.*;public class Concat {
public static void main(String[] args) throws IOException {
InputStream in;
InputStream FileIn1, FileIn2, bufIn;
OutputStream fileOut;
File fFrom = new File("From", "1.doc");
File fFrom2 = new File("From", "2.doc"); File fTo = new File("To", "3.doc"); fileIn1 = new FileInputStream(fFrom);
fileIn2 = new FileInputStream(fFrom2);
fileOut = new FileOutputStream(fTo); List inputs = new ArrayList(2);
bufIn = new BufferedInputStream(fileIn1);
inputs.add(bufIn); bufIn = new BufferedInputStream(fileIn2);
inputs.add(bufIn); Enumeration files = Collection.enumeration(inputs); in = new SequenceInputStream(files); int ch; while((ch = in.read()) != -1) {
fileOut.write(ch);
}
}
}请问,我这个函数运行之后,我会把From文件夹下的1.doc文件里的内容拷到To文件夹下的3.doc去,From文件夹里的2.doc却没有一起拷过来,没有达到预期的效果,这是什么原因啊,请高人解释一下,谢谢...
Import java.util.*;public class Concat {
public static void main(String[] args) throws IOException {
InputStream in;
InputStream FileIn1, FileIn2, bufIn;
OutputStream fileOut;
File fFrom = new File("From", "1.doc");
File fFrom2 = new File("From", "2.doc"); File fTo = new File("To", "3.doc"); fileIn1 = new FileInputStream(fFrom);
fileIn2 = new FileInputStream(fFrom2);
fileOut = new FileOutputStream(fTo); List inputs = new ArrayList(2);
bufIn = new BufferedInputStream(fileIn1);
inputs.add(bufIn); bufIn = new BufferedInputStream(fileIn2);
inputs.add(bufIn); Enumeration files = Collection.enumeration(inputs); in = new SequenceInputStream(files); int ch; while((ch = in.read()) != -1) {
fileOut.write(ch);
}
}
}请问,我这个函数运行之后,我会把From文件夹下的1.doc文件里的内容拷到To文件夹下的3.doc去,From文件夹里的2.doc却没有一起拷过来,没有达到预期的效果,这是什么原因啊,请高人解释一下,谢谢...
import java.io.*;
import java.util.*;class Concat {
public static void main(String[] args) throws IOException {
InputStream in;
InputStream fileIn1, fileIn2, bufIn;
OutputStream fileOut;File fFrom = new File("from", "1.txt");
File fFrom2 = new File("from", "2.txt");File fTo = new File("to", "3.txt");fileIn1 = new FileInputStream(fFrom);
fileIn2 = new FileInputStream(fFrom2);
fileOut = new FileOutputStream(fTo);List inputs = new ArrayList(2);
bufIn = new BufferedInputStream(fileIn1);
inputs.add(bufIn);bufIn = new BufferedInputStream(fileIn2);
inputs.add(bufIn);Enumeration files = Collections.enumeration(inputs);in = new SequenceInputStream(files);int ch;while((ch = in.read()) != -1) {
fileOut.write(ch);
}
}
}运行成功
求救啊...
可能是jdk版本的问题
我是jdk1.5-07的
我改的地方: import你大写了
fileIn1 fineIn2定义与使用名字不一致
Collection改成了Collections
你是不是只把你的txt文件直接重命名成doc的啊?