在当前的项目中,我实现了一个UITableViewController
收集某些数据并根据用户请求将其发送到后端服务器的方法。这一切都很好,花花公子..但是,我在上传图片时遇到了问题。
一旦我得到图像UIImagePickerController
并发送它,服务器似乎就有问题。如果我将其编码为 JPEG,PHP 似乎无法理解它......如果我将其编码为 PNG,整个请求似乎会搞砸。
但是,如果我选择项目中存在的任何其他图像(例如一些背景图像),则上传过程完美!那是奇怪的部分。一旦我使用 UIImagePickerController 中的图像,它就不起作用......即使我确实得到了图像(参见代码中的 addSubview,它有效)。
这是我的代码:
@interface ServiceViewController ()
@property (nonatomic) UIImage *image;
[...]
@end
@implementation ServiceViewController
@synthesize image = _image;
[...]
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
self.image = [[info objectForKey:UIImagePickerControllerOriginalImage] copy];
[self.tableView reloadData];
[self dismissModalViewControllerAnimated:YES];
}
- (void)sendToApi
{
// Send post data
NSString *urlString = [NSString stringWithFormat:@"%@/%@", API_BASE_DOMAIN2, @"requestservice"];
urlString = @"http://localhost/api/public_html/requestservice";
NSURL *url = [NSURL URLWithString:urlString];
ASIFormDataRequest *request = [[ASIFormDataRequest alloc] initWithURL:url];
[request setUseKeychainPersistence:YES];
[request setPostValue:[self.problems objectAtIndex:self.problem] forKey:@"problem"];
[request setPostValue:[self stationName] forKey:@"station"];
[request setPostValue:self.otherInformation forKey:@"information"];
[request setPostValue:[NSNumber numberWithInt:self.lock] forKey:@"lock"];
[request setUploadProgressDelegate:self];
[request setDidFinishSelector:@selector(didCompleteRequestService:)];
[request setDidFailSelector:@selector(processFailed:)];
[request setDelegate:self];
[request setRequestMethod:@"POST"];
// Upload an image
[request addData:[NSData dataWithData:UIImageJPEGRepresentation(self.image, 0.9)] withFileName:@"img.jpg" andContentType:@"image/jpeg" forKey:@"picture"];
UIImageView *view = [[UIImageView alloc] initWithImage:self.image];
[view sizeToFit];
[self.view addSubview:view];
[request startAsynchronous];
}
- (void)setProgress:(float)newProgress {
// [prgressView setProgress:newProgress];
NSLog(@"New progress: %f", newProgress);
}
- (void)didCompleteRequestService:(ASIHTTPRequest *)request
{
NSLog(@"Request completed");
NSLog(@"Result: %@", request.responseString);
}
服务器端:
var_dump($_FILES);
if ($this->_aPicture !== null) {
$sTarget = DIR_SERVICE . $this->_sFileNamePrefix . ".jpg";
var_dump($this->_aPicture);
var_dump($sTarget);
if (!move_uploaded_file($this->_aPicture['tmp_name'], $sTarget)) {
$this->returnHttpError(500);
}
}
$this->_writeDataToFile();
这是我的结果:
2013-03-21 00:04:04.859 AppName[15598:c07] New progress: 0.000000
2013-03-21 00:04:04.862 AppName[15598:c07] New progress: 1.000000
2013-03-21 00:04:04.863 AppName[15598:c07] Request completed
2013-03-21 00:04:04.863 AppName[15598:c07] Result: array(1) {
["picture"]=>
array(5) {
["name"]=>
string(7) "img.jpg"
["type"]=>
string(0) ""
["tmp_name"]=>
string(0) ""
["error"]=>
int(1)
["size"]=>
int(0)
}
}
array(5) {
["name"]=>
string(7) "img.jpg"
["type"]=>
string(0) ""
["tmp_name"]=>
string(0) ""
["error"]=>
int(1)
["size"]=>
int(0)
}
string(58) "/Users/paulp/Sites/api/service/K98XQPo7zx.jpg"
Sending error: 500
我尝试了很多不同的东西,例如:
我没有更改为例如 MKNetworkKit,因为(还)没有时间或预算,所以这不是一个解决方案。
我该如何解决这个问题?