iPhone – 如何将图像发布到Web服务器

//Create a folder named images in your server where you want to upload the image.
// And Create a PHP file and use below code .


<?php
$uploaddir = 'images/';
$ran = rand () ;

$file = basename($_FILES['userfile']['name']);
$uploadfile = $uploaddir .$ran.$file;

if (move_uploaded_file($_FILES['userfile']['tmp_name'],$uploadfile)) {
        echo "www.host.com/.../images/{$uploadfile}";
}
?>

这是iOS代码

- (IBAction)uploadClicked:(id)sender
{
    /*
         turning the image into a NSData object
         getting the image back out of the UIImageView
         setting the quality to 90
        */
        NSData *imageData = UIImageJPEGRepresentation(imageView.image,90);
        // setting up the URL to post to
        NSString *urlString = @"your URL link";

        // setting up the request object now
        NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];
        [request setURL:[NSURL URLWithString:urlString]];
        [request setHTTPMethod:@"POST"];

        /*
         add some header info now
         we always need a boundary when we post a file
         also we need to set the content type

         You might want to generate a random boundary.. this is just the same 
         as my output from wireshark on a valid html post
        */
        NSString *boundary = [NSString stringWithString:@"---------------------------14737809831466499882746641449"];
        NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
        [request addValue:contentType forHTTPHeaderField: @"Content-Type"];

        /*
         now lets create the body of the post
        */
        NSMutableData *body = [NSMutableData data];
        [body appendData:[[NSString stringWithFormat:@"rn--%@rn",boundary] dataUsingEncoding:NSUTF8StringEncoding]];    
        [body appendData:[[NSString stringWithString:@"Content-Disposition: form-data; name="userfile"; filename="ipodfile.jpg"rn"] dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[[NSString stringWithString:@"Content-Type: application/octet-streamrnrn"] dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[NSData dataWithData:imageData]];
        [body appendData:[[NSString stringWithFormat:@"rn--%@--rn",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
        // setting the body of the post to the reqeust
        [request setHTTPBody:body];

        // now lets make the connection to the web
        NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
        NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];

        NSLog(returnString);

}