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我做了一个代码,发送文件从一台计算机到另一台, 问题是,一个发送后不工作了。 我知道问题出在我写给作者的时候,但我不知道为什么它不起作用。通过套接字发送文件只能工作一次
客户端:
File file =new File(path);
long fileSize = file.length();
long completed = 0;
int step = 150000;
Request req = new Request(RequetType.DOWNLOAD_FILE,file.getName());
writer.writeObject(req);
writer.flush();
// creates the file stream
FileInputStream fileStream = new FileInputStream(file);
// sending a message before streaming the file
// writer.writeObject("SENDING_FILE|" + file.getName() +"|" + fileSize);
writer.reset();
byte[] buffer = new byte[step];
while (completed <= fileSize) {
fileStream.read(buffer);
writer.write(buffer);
completed += step;
}
System.out.println(completed);
//writer.writeObject("SEND_COMPLETE");
fileStream.close();
服务器:
String filename = (String)req.getContent();
try {
FileOutputStream outStream =new FileOutputStream(Startdir+""+filename);
byte[] buffer = new byte[200000];
int bytesRead = 0, counter = 0;
bytesRead = this.reader.read(buffer);
if (bytesRead >= 0) {
outStream.write(buffer, 0, bytesRead);
counter += bytesRead;
System.out.println("total bytes read: " +
counter);
}
if (bytesRead < 1024) {
outStream.flush();
}
while (true)
{
bytesRead = this.reader.read(buffer);
if (bytesRead >= 0) {
outStream.write(buffer, 0, bytesRead);
counter += bytesRead;
System.out.println("total bytes read: " +
counter);
}
if (bytesRead ==0)
{
outStream.flush();
break;
}
}
System.out.println("Sent:"+filename+" from:"+MainApp.computersconnection.getIp());
} catch (Exception e) {
System.out.println("Error on downloading file!");
}
提示:文件中发生的事情不是步长的精确倍数? (在写作方面)如果'completed == filesize'你在读什么(在文件结尾之后)? –
我没有读完文件结束后什么也没有读完,==完成了文件的发送。 – user3561290
你是什么意思,你是“发送结束”?你似乎在读另一个缓冲区并写入它。 –