无法将PDF的NSData张贴到服务器 [英] Failing to POST NSData of PDF to server
问题描述
我有一个iPad应用程序,需要在其中向服务器发送PDF文件,以及两个POST变量,用户ID和工作ID。我正在使用下面的代码来做到这一点:
I have an iPad application in which I need to send a server a PDF file, alongside two POST variables, a user ID and a job ID. I am using the code below to do this:
NSData * pdfData = [NSData dataWithContentsOfFile:currentPDFFileName];
NSData *pdfData = [NSData dataWithContentsOfFile:currentPDFFileName];
NSData *validPDF = [[NSString stringWithString:@"%PDF"] dataUsingEncoding: NSASCIIStringEncoding];
if (!(pdfData && [[pdfData subdataWithRange:NSMakeRange(0, 4)] isEqualToData:validPDF]))
{
NSLog (@"Not valid");
}
NSLog (@"%@", currentPDFFileName);
NSLog (@"%@", [currentPDFFileName lastPathComponent]);
//create the body
NSMutableData *body = [NSMutableData data];
//create the POST vars
NSString *jobID = [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"jobid\"\r\n\r\n%@", job.jobID];
NSString *userID = [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userid\"\r\n\r\n%@", delegate.userID];
NSString *pdf = [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"image_file\"; filename=\"%@\"\r\n", [currentPDFFileName lastPathComponent]];
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", @"----foo"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[jobID dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", @"----foo"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[userID dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", @"----foo"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[pdf dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/pdf\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:pdfData];
NSMutableURLRequest *pdfRequest = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://example.com"]];
[pdfRequest setValue:@"multipart/form-data; boundary=----foo" forHTTPHeaderField:@"Content-type"];
[pdfRequest setHTTPMethod:@"POST"];
[pdfRequest setHTTPBody:body];
NSData *pdfDataReply;
NSURLResponse *pdfResponse;
NSError *pdfError;
pdfDataReply = [NSURLConnection sendSynchronousRequest:pdfRequest returningResponse:&pdfResponse error:&pdfError];
NSString *pdfResult = [[NSString alloc] initWithData:pdfDataReply encoding:NSASCIIStringEncoding];
NSLog (@"%@", pdfResult);
连接另一端的人说他们没有收到PDF文件。我已经尝试了所有常见的可疑对象,例如试图找到任何零对象。
The people on the other end of the connection are saying that they are not receiving the PDF file. I have tried all the usual suspects such as trying to find any nil objects.
如果有人可以为此提供帮助,我们将不胜感激!
Would greatly appreciate if anyone could please lend a hand with this!
谢谢。
Ricky。
Thanks. Ricky.
推荐答案
原来,边界存在问题。在添加pdfData之后,我需要在末尾添加一个。谢谢您的帮助。
Turns out there was an issue with the boundaries. I needed to add one at the end, after pdfData was added. Thank you for your help.
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