将图像上传到PHP服务器

-(IBAction)TakePhoto{ picker = [[UIImagePickerController alloc] init]; picker.delegate = self; [picker setSourceType:UIImagePickerControllerSourceTypeCamera]; [self presentViewController:picker animated:YES completion:NULL]; [picker release]; } -(void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { image = [info objectForKey:UIImagePickerControllerOriginalImage]; [imageView setImage:image]; [self dismissViewControllerAnimated:YES completion:NULL]; } -(IBAction)uploadImage{ NSData *imageData = UIImageJPEGRepresentation(image, 90); NSString *urlString = @"http://myserverdomain.com/upload.php"; NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease]; [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 *body = [NSMutableData data]; [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[@"Content-Disposition: form-data; name=\"userfile\"; filename=\"ipodfile.jpg\"\r\n" dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[NSData dataWithData:imageData]]; [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [request setHTTPBody:body]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; NSLog(@"heyo"); } 

在这里我试图上传一个图像到我的服务器，但图像没有出现在“图片”文件夹中。 另外我得到一个警告说“未使用的variablesreturnString”

这是我的PHP脚本

 <?php $msg = " ".var_dump($_FILES)." "; $new_image_name = $_FILES["file"]["name"]; move_uploaded_file($_FILES["file"]["tmp_name"], getcwd() . "/pictures/" . $new_image_name); ?> 

Answer 1

尝试下面的代码：

 <?php $msg = " ".var_dump($_FILES)." "; $new_image_name = $_FILES["userfile"]["name"]; move_uploaded_file($_FILES["userfile"]["tmp_name"], getcwd() . "/pictures/" . $new_image_name); ?> 

[body appendData：[@“Content-Disposition：form-data; name = \”userfile \“; filename = \”ipodfile.jpg \“\ r \ n”dataUsingEncoding：NSUTF8StringEncoding]]; 因为你已经使用文件的名称是“userfile”和访问它在PHP文件与“文件”的名称，这就是为什么你的文件不上传到服务器上。