iphone向Web服务器发送图片

C代码  

1.        //把图片转换为NSData  
2. UIImage *image = [UIImage imageNamed:@"vim_go.png"];      
3. NSData *imageData = UIImagePNGRepresentation(image);  
4. // post url  
5. NSString *urlString = @"http://10.28.4.162/test-upload.php";  
6.   
7. // setting up the request object now  
8. NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];  
9. [request setURL:[NSURL URLWithString:urlString]];  
10. [request setHTTPMethod:@"POST"];  
11. //  
12. NSString *boundary = [NSString stringWithString:@"---------------------------14737809831466499882746641449"];  
13. NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];  
14. [request addValue:contentType forHTTPHeaderField: @"Content-Type"];  
15. //  
16. NSMutableData *body = [NSMutableData data];  
17. [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];      
18. [body appendData:[[NSString stringWithString:@"Content-Disposition: form-data; name=\"userfile\"; filename=\"vim_go.png\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];  
19. [body appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];  
20. [body appendData:[NSData dataWithData:imageData]];  
21. [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];  
22. [request setHTTPBody:body];  
23.   
24. NSLog(@"%@",body);  
25. NSLog(@"%@",request);  

C代码  

1. 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;   

 

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. }  
14. ?>