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iphone向Web服务器发送图片

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   发表时间:2010-10-15  
     
        //把图片转换为NSData
	UIImage *image = [UIImage imageNamed:@"vim_go.png"];	
	NSData *imageData = UIImagePNGRepresentation(image);
	// post url
	NSString *urlString = @"http://10.28.4.162/test-upload.php";
	
	// setting up the request object now
	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=\"userfile\"; filename=\"vim_go.png\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
	[body appendData:[[NSString stringWithString:@"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];
	
	NSLog(@"%@",body);
	NSLog(@"%@",request);
        NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
	NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];
	
	result_btn.text = returnString; 

 

/Applications/XAMPP/htdocs

imac:htdocs aitracy$ cat test-upload.php 

<?php
$uploaddir = './upload/';
echo "recive a image";
$file = basename($_FILES['userfile']['name']);
$uploadfile = $uploaddir . $file;

if (move_uploaded_file($_FILES['userfile']['tmp_name'], $uploadfile)) {
    echo "/uploads/{$file}";
}
?>
 
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