Java 为什么我的InputStream不能在Android中工作?
我正在为我最喜欢的图像库软件编写一个android图像文件上传程序,它使用FTP。 我已经开始使用ApacheCommonsNetFTP作为基于的FTP库。像这样:Java 为什么我的InputStream不能在Android中工作?,java,android,open-source,ftp,apache-commons,Java,Android,Open Source,Ftp,Apache Commons,我正在为我最喜欢的图像库软件编写一个android图像文件上传程序,它使用FTP。 我已经开始使用ApacheCommonsNetFTP作为基于的FTP库。像这样: FTPClient ftp = new FTPClient(); try{ ftp.connect(host); Log.i(TAG,"we connected"); if(!ftp.login(user,pass)){ ftp.logout(); //TODO: alert user it didn't
FTPClient ftp = new FTPClient();
try{
ftp.connect(host);
Log.i(TAG,"we connected");
if(!ftp.login(user,pass)){
ftp.logout();
//TODO: alert user it didn't happen
return;
}
String replyStatus = ftp.getStatus();
Log.i(TAG,replyStatus);
int replyCode = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(replyCode))
{
ftp.disconnect();
//TODO: alert user it didn't happen
return;
}
Log.i(TAG,"we logged in");
ftp.changeWorkingDirectory(path);
ftp.setFileType(ftp.BINARY_FILE_TYPE);
for(int i = 0; i < contentUris.size(); i++){
Log.i(TAG,"uploading new file");
Uri stream = (Uri) contentUris.get(i);
//InputStream in = openFileInput(getRealPathFromURI(stream));
InputStream in =this.getContentResolver().openInputStream(stream);
BufferedInputStream buffIn=null;
buffIn=new BufferedInputStream(in);
ftp.setFileType(ftp.BINARY_FILE_TYPE);
boolean Store = ftp.storeFile("test.jpg", buffIn);
Log.i(TAG, "uploaded test");
}
ftp.disconnect();
}
catch(Exception ex){
//do something wise and smart and useful
}
FTPClient ftp=新的FTPClient();
试一试{
ftp.connect(主机);
Log.i(标记“我们已连接”);
如果(!ftp.login(用户,通过)){
ftp.logout();
//TODO:提醒用户它没有发生
返回;
}
字符串replyStatus=ftp.getStatus();
Log.i(标签、回复状态);
int replyCode=ftp.getReplyCode();
如果(!FTPReply.isPositiveCompletion(replyCode))
{
ftp.disconnect();
//TODO:提醒用户它没有发生
返回;
}
Log.i(标记“我们登录”);
ftp.changeWorkingDirectory(路径);
setFileType(ftp.BINARY文件类型);
for(int i=0;i
我在登录的日志中看到,我可以更改目录,当我上传时,我的目录中有一个test.jpg,但大小为0字节
有什么好处?我没有打开输入流吗?我该怎么做
如果我没有提供足够的详细信息,请告诉我-问题似乎是您无法建立主动ftp连接,您必须使用被动模式。因此,将顶部改为:ftpClient.enterLocalPassiveMode()
FTPClient ftp=新的FTPClient();
试一试{
ftp.connect(主机);
ftp.enterLocalPassiveMode();
Log.i(标记“我们已连接”);
如果(!ftp.login(用户,通过)){
ftp.logout();
//TODO:提醒用户它没有发生
返回;
}
字符串replyStatus=ftp.getStatus();
Log.i(标签、回复状态);
int replyCode=ftp.getReplyCode();
如果(!FTPReply.isPositiveCompletion(replyCode))
{
ftp.disconnect();
//TODO:提醒用户它没有发生
返回;
}
Log.i(标记“我们登录”);
ftp.changeWorkingDirectory(路径);
setFileType(ftp.BINARY文件类型);
for(int i=0;i
FTPClient ftp = new FTPClient();
try{
ftp.connect(host);
ftp.enterLocalPassiveMode();
Log.i(TAG,"we connected");
if(!ftp.login(user,pass)){
ftp.logout();
//TODO: alert user it didn't happen
return;
}
String replyStatus = ftp.getStatus();
Log.i(TAG,replyStatus);
int replyCode = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(replyCode))
{
ftp.disconnect();
//TODO: alert user it didn't happen
return;
}
Log.i(TAG,"we logged in");
ftp.changeWorkingDirectory(path);
ftp.setFileType(ftp.BINARY_FILE_TYPE);
for(int i = 0; i < contentUris.size(); i++){
Log.i(TAG,"uploading new file");
Uri stream = (Uri) contentUris.get(i);
String filePath = getRealPathFromURI(stream);
InputStream in = new FileInputStream(filePath);
ftp.setFileType(ftp.BINARY_FILE_TYPE);
boolean Store = ftp.storeFile("test.jpg", in);
Log.i(TAG, "uploaded test");
}
ftp.disconnect();
}
catch(Exception ex){
//TODO: properly handle exception
//Log.i(TAG,ex);
//TODO:Alert the user this failed
}