我在iOS-Application中使用GoldRaccoon进行ftp-upload。 filetransfer使用txt文件进行perfekt，文件大小可达mb。但是图片和pdf文件在上传时会被破坏。
没有错误，上传似乎是成功的。
当我在应用程序的文件夹（使用iExplorer）中查看iPad时，文件很好。它也等于图像大小的大小。如果它是jpg或png，它也是相同的。
当我开始上传时，所有文件都存在。
- (void)uploadFilesToFTP:(Objekt *)objekt withCsvFilePath:(NSString *)csvLocalFilePath {
__block typeof(self) bself = self;
[self.library enumerateGroupsWithTypes:ALAssetsGroupAlbum
usingBlock:^(ALAssetsGroup *group, BOOL *stop) {
if ([[group valueForProperty:ALAssetsGroupPropertyName] isEqualToString:self.albumName]) {
InfoLogMy(@"found album %@", self.albumName);
self.groupToAddTo = group;
}
}
failureBlock:^(NSError* error) {
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Fehler" message:[error localizedDescription] delegate:nil cancelButtonTitle:nil otherButtonTitles:@"OK", nil];
[alertView show];
return;
}];
// dateien
InfoLogMy("Count of files %d", objekt.dateien.count);
for (Datei *datei in objekt.dateien)
{
InfoLogMy(@"Upload starts");
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *dateiPath = [documentsDirectory stringByAppendingPathComponent:datei.dateiname];
NSError *error;
NSData *data = [[NSData alloc] initWithContentsOfFile:dateiPath options:NSDataReadingUncached error:&error];
if( [[NSFileManager defaultManager] fileExistsAtPath:dateiPath] )
{
if (!error) {
if (datei.zimmer != nil) {
// original image
UIImage *originalImage = [UIImage imageWithData:data];
__block typeof(self) bself = self;
//Bild wird in das Photoalbum des iPads als Sicherung abgelegt.
//Dies ist nicht mit PDF-Dokumenten möglich
[self.library writeImageToSavedPhotosAlbum:[originalImage CGImage]
metadata:nil
completionBlock:^(NSURL* assetURL, NSError* error) {
if (error.code == 0) {
// try to get the asset
[self.library assetForURL:assetURL
resultBlock:^(ALAsset *asset) {
// assign the photo to the album
[bself.groupToAddTo addAsset:asset];
}
failureBlock:^(NSError* error) {
InfoLogMy("failed to retrieve image asset:\nError: %@ ", [error localizedDescription]);
}];
}
else {
InfoLogMy("saved image failed.\nerror code %i\n%@", error.code, [error localizedDescription]);
}
}];
}
// copy of image
NSString *filenameCopy = [NSString stringWithFormat:@"copy-%@", datei.dateiname];
NSString *localFilePathCopy = [documentsDirectory stringByAppendingPathComponent:filenameCopy];
BOOL copyFileExists = [[NSFileManager defaultManager] fileExistsAtPath:localFilePathCopy];
BOOL hasPaths = ([[datei.zeichnungen allObjects] count] > 0);
BOOL hasSymbols = ([[datei.symbole allObjects] count] > 0);
NSString *fileExtension = [datei.dateiname substringWithRange:NSMakeRange(datei.dateiname.length - 3, 3)];
BOOL isPDF = ([fileExtension isEqualToString:@"pdf"]);
if (copyFileExists == YES && (hasPaths == YES || hasSymbols == YES|| isPDF == YES)) {
NSError *error;
NSData *dataCopy = [[NSData alloc] initWithContentsOfFile:localFilePathCopy options:NSDataReadingUncached error:&error];
if (isPDF == NO) {
UIImage *copyImage = [UIImage imageWithData:dataCopy];
[self.library writeImageToSavedPhotosAlbum:[copyImage CGImage]
metadata:nil
completionBlock:^(NSURL* assetURL, NSError* error) {
if (error.code == 0) {
InfoLogMy(@"saved image completed:\nurl: %@", assetURL);
// try to get the asset
[self.library assetForURL:assetURL
resultBlock:^(ALAsset *asset) {
// assign the photo to the album
[bself.groupToAddTo addAsset:asset];
}
failureBlock:^(NSError* error) {
InfoLogMy(@"failed to retrieve image asset:\nError: %@ ", [error localizedDescription]);
}];
}
else {
InfoLogMy(@"saved image failed.\nerror code %i\n%@", error.code, [error localizedDescription]);
}
}];
}
if (!error) {
[self.requestsManager addRequestForUploadFileAtLocalPath:localFilePathCopy toRemotePath:[NSString stringWithFormat:@"%@%@", kFtpPathOutbox, filenameCopy]];
}
}
else
{
//Wenn die Datei keine Zuordnung zu einem Zimmer hat.
if (datei.zimmer != nil)
{
[self.requestsManager addRequestForUploadFileAtLocalPath:dateiPath toRemotePath:[NSString stringWithFormat:@"%@%@", kFtpPathOutbox, datei.dateiname]];
}
}
} else {
// TO DO: Alert mit Fehler
return;
}
}
else
{
InfoLogMy(@"Datei existiert leider nicht");
[Mbs writeLog:[NSString stringWithFormat:@"Datei existiert nicht (%@)", datei.dateiname]];
}
}
NSArray *parts = [csvLocalFilePath componentsSeparatedByString:@"/"];
NSString *remotePath = [NSString stringWithFormat:@"%@%@", kFtpPathOutbox, [parts lastObject]];
[self.requestsManager addRequestForUploadFileAtLocalPath:csvLocalFilePath toRemotePath:remotePath];
self.requestsManagerFailed = NO;
[self.requestsManager startProcessingRequests];
}