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Postsdbo
PO
 

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    <p>To upload images using POST, you have to set content type to application/octet-stream. Here's the code I'm using:</p> <pre><code>NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease]; [request setURL:[NSURL URLWithString:urlString]]; [request setHTTPMethod:@"POST"]; NSString *boundary = [NSString stringWithString:@"---------------------------14737809831466499882746641449"]; NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary]; [request addValue:contentType forHTTPHeaderField:@"Content-Type"]; NSMutableData *body = [NSMutableData data]; [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithString:@"Content-Disposition: form-data; name=\"file\"; filename=\"attachment.png\"r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[NSData dataWithData:data]]; [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [request setHTTPBody:body]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; </code></pre> <p>EDIT: Here's the PHP code I'm using:</p> <pre><code>if (isset($_FILES["uploadedfile"])) { echo $target_path = $target_path.basename($_FILES['uploadedfile']['name']); if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path)) { echo "1: The file ".basename( $_FILES['uploadedfile']['name'])." has been uploaded"; } else{ echo "2: There was an error uploading the file, please try again!"; } } </code></pre>
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    1. POWhy the uploaded image do not display properly?
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    1. COI have try to change the Content-Type to application/octet-stream, but nothing had happened, it still can not be opened in Preview.
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    2. COAre you sure the image you're sending is valid? Check its data size before you send it. I'm editing my post to include the PHP code I used to receive the image and save it.
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    3. COIt's too quirky, i checked these codes over and over, but nothing was found is not normal.the file uploaded and the file locally are different with dozens of bytes, but I do not know whether this is because the differences caused by the disk storage
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