Uploading Image via POST in Objective C

Objective-C

-(void)saveImageToServer
{
    // COnvert Image to NSData
    NSData *dataImage = UIImageJPEGRepresentation([UIImage imageNamed:@"yourImage"], 1.0f);

    // set your URL Where to Upload Image
    NSString *urlString = @"Your URL HERE";

    // set your Image Name
    NSString *filename = @"YourImageFileName";

    // Create 'POST' MutableRequest with Data and Other Image Attachment.
    NSMutableURLRequest* request= [[NSMutableURLRequest alloc] init];
    [request setURL:[NSURL URLWithString:urlString]];
    [request setHTTPMethod:@"POST"];
    NSString *boundary = @"---------------------------14737809831466499882746641449";
    NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
    [request addValue:contentType forHTTPHeaderField: @"Content-Type"];
    NSMutableData *postbody = [NSMutableData data];
    [postbody appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [postbody appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile\"; filename=\"%@.jpg\"\r\n", filename] dataUsingEncoding:NSUTF8StringEncoding]];
    [postbody appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
    [postbody appendData:[NSData dataWithData:dataImage]];
    [postbody appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [request setHTTPBody:postbody];

    // Get Response of Your Request
    NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    NSString *responseString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];
    NSLog(@"Response  %@",responseString);
}

Swift

// COnvert Image to NSData
var dataImage: NSData = UIImageJPEGRepresentation(UIImage(named: "yourImage"), 1.0)
// set your URL Where to Upload Image
var urlString: String = "Your URL HERE"
// set your Image Name
var filename: String = "YourImageFileName"
// Create 'POST' MutableRequest with Data and Other Image Attachment.
var request: NSMutableURLRequest = NSMutableURLRequest()
request.URL = NSURL(string: urlString)!
request.HTTPMethod = "POST"
var boundary: String = "---------------------------14737809831466499882746641449"
var contentType: String = "multipart/form-data; boundary=\(boundary)"
request.addValue(contentType, forHTTPHeaderField: "Content-Type")
var postbody: NSMutableData = NSMutableData.data()
postbody.appendData("\r\n--\(boundary)\r\n".dataUsingEncoding(NSUTF8StringEncoding))
postbody.appendData("Content-Disposition: form-data; name=\"userfile\"; filename=\"\(filename).jpg\"\r\n".dataUsingEncoding(NSUTF8StringEncoding))
postbody.appendData(String.stringWithString("Content-Type: application/octet-stream\r\n\r\n").dataUsingEncoding(NSUTF8StringEncoding))
postbody.appendData(NSData.dataWithData(dataImage))
postbody.appendData("\r\n--\(boundary)--\r\n".dataUsingEncoding(NSUTF8StringEncoding))
request.HTTPBody = postbody
// Get Response of Your Request
var returnData: NSData = NSURLConnection.sendSynchronousRequest(request, returningResponse: nil, error: nil)
var responseString: String = String(data: returnData, encoding: NSUTF8StringEncoding)
NSLog("Response  %@", responseString)