将图像上传到PHP服务器

问题描述

-(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");

}

这里我试图将图像上传到我的服务器但是图像未显示在图片文件夹中。我也收到警告说未使用的变量returnString

Here I am trying to upload an image to my server but the image is not showing up in the "Pictures" folder. also i am getting a warning saying "unused variable returnString"

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);

?>

推荐答案

尝试以下代码：

<?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 \\\\\ ndataUsingEncoding：NSUTF8StringEncoding]];因为您使用的文件名是userfile并在php文件中使用文件名称访问它，这就是您的文件没有在服务器上传的原因。

[body appendData:[@"Content-Disposition: form-data; name=\"userfile\"; filename=\"ipodfile.jpg\"\r\n" dataUsingEncoding:NSUTF8StringEncoding]]; as you have used name of file is "userfile" and accessing it in php file with "file" name that's why your file is not uploading on server.

这篇关于将图像上传到PHP服务器的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！