iphone向Web服务器发送图片

 //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); 

1. NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];  

        NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];

C代码

1. NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];   
2.   
3. result_btn.text = returnString;   

NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];result_btn.text = returnString; 

 

Php代码

1. /Applications/XAMPP/htdocs   
2.   
3. imac:htdocs aitracy$ cat test-upload.php    
4.   
5. <?php   
6. $uploaddir = './upload/';   
7. echo "recive a image";   
8. $file = basename($_FILES['userfile']['name']);   
9. $uploadfile = $uploaddir . $file;   
10.   
11. if (move_uploaded_file($_FILES['userfile']['tmp_name'], $uploadfile)) {   
12.     echo "/uploads/{$file}";   
13. }