我正在尝试找到每个 func scrollViewDidScroll(_ scrollView: UIScrollView) {
if(scrollView.contentOffset.y <= 0) {
if(scrollView.frame.size.height == view.frame.size.height - navigationController!.navigationBar.frame.size.height - tabBarController!.tabBar.frame.size.height) {
UIView.animate(withDuration: 0.5, animations: {
self.coverImage.center = CGPoint(x: self.view.frame.size.width / 2, y: self.navigationController!.navigationBar.frame.size.height + (self.coverImage.frame.size.height / 2))
self.profileImage.center = CGPoint(x: self.coverImage.center.x, y: self.coverImage.center.y + (self.coverImage.frame.size.height / 2))
self.verifiedLogo.center = CGPoint(x: self.profileImage.center.x + (self.profileImage.frame.size.width / 3), y: self.profileImage.center.y - (self.profileImage.frame.size.height / 3))
self.usernameLabel.center = CGPoint(x: self.view.frame.size.width / 2, y: self.profileImage.center.y + (self.profileImage.frame.size.height / 2) + (self.usernameLabel.frame.size.height / 2))
self.biographyLabel.center = CGPoint(x: self.view.frame.size.width / 2, y: self.usernameLabel.center.y + (self.usernameLabel.frame.size.height / 2) + (self.biographyLabel.frame.size.height / 2))
self.biographyTextfield.center = self.biographyLabel.center
self.biographyCharactersLabel.center = CGPoint(x: self.view.frame.size.width / 2, y: self.biographyTextfield.center.y + self.biographyCharactersLabel.frame.size.height)
self.editImagesLogo.center = CGPoint(x: self.view.frame.size.width - self.editImagesLogo.frame.size.width, y: self.navigationController!.navigationBar.frame.size.height + (self.editImagesLogo.frame.size.height * 2))
self.editBiographyImage.center = CGPoint(x: self.view.frame.size.width - (self.editBiographyImage.frame.size.width * 1.5), y: self.biographyLabel.center.y)
self.editImagesView.center = CGPoint(x: self.editImagesLogo.center.x + (self.editImagesLogo.frame.size.width / 2) - (self.editImagesView.frame.size.width / 2), y: self.editImagesLogo.center.y + (self.editImagesLogo.frame.size.height / 2) + (self.editImagesView.frame.size.height / 2))
self.doneImage.center = self.editBiographyImage.center
self.nextImage.center = CGPoint(x: self.view.frame.size.width - (self.nextImage.frame.size.width / 1.5), y: self.view.frame.size.height - (self.nextImage.frame.size.height / 1.25) -
self.navigationController!.navigationBar.frame.size.height)
self.photoCollectionView.frame.size.height = self.view.frame.size.height - self.biographyLabel.center.y - 75 - self.navigationController!.navigationBar.frame.size.height
self.photoCollectionView.center = CGPoint(x: self.view.frame.size.width / 2, y: self.view.frame.size.height - (self.photoCollectionView.frame.size.height / 2) - self.navigationController!.navigationBar.frame.size.height)
}, completion: { (true) in
self.navigationItem.setHidesBackButton(false, animated: false)
for barButtons in self.tabBarController!.tabBar.items! {
barButtons.isEnabled = true
}
})
}
}else{
if(scrollView.frame.size.height == self.view.frame.size.height - self.biographyLabel.center.y - 75 - self.navigationController!.navigationBar.frame.size.height) {
navigationItem.setHidesBackButton(true, animated: false)
for barButtons in tabBarController!.tabBar.items! {
barButtons.isEnabled = false
}
UIView.animate(withDuration: 0.5, animations: {
self.coverImage.center.y = -(self.coverImage.frame.size.height / 2)
self.profileImage.center.y = -(self.profileImage.frame.size.height / 2)
self.verifiedLogo.center.y = -(self.verifiedLogo.frame.size.height / 2)
self.usernameLabel.center.y = -(self.usernameLabel.frame.size.height / 2)
self.biographyLabel.center.y = -(self.biographyLabel.frame.size.height / 2)
self.biographyTextfield.center.y = -(self.biographyTextfield.frame.size.height / 2)
self.doneImage.center.y = -(self.doneImage.frame.size.height / 2)
self.biographyCharactersLabel.center.y = -(self.biographyCharactersLabel.frame.size.height / 2)
self.editImagesLogo.center.y = -(self.editImagesLogo.frame.size.height / 2)
self.editBiographyImage.center.y = -(self.editBiographyImage.frame.size.height / 2)
self.editImagesView.center.y = -(self.editImagesView.frame.size.height / 2)
self.nextImage.center.y = -(self.nextImage.frame.size.height / 2)
self.photoCollectionView.frame.size.height = self.view.frame.size.height - self.navigationController!.navigationBar.frame.size.height - self.tabBarController!.tabBar.frame.size.height
self.photoCollectionView.center = self.view.center
})
}
}
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
if(photoLinks.isEmpty) {
photoCollectionView.isHidden = true
return 0
}else{
photoCollectionView.isHidden = false
return photoLinks.count
}
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = photoCollectionView.dequeueReusableCell(withReuseIdentifier: "photoCell", for: indexPath) as! PhotosCollectionViewCell
cell.awakeFromNib()
cell.photoImage.image = nil
if(loadedPhotos.count == photoLinks.count) {
cell.photoImage.image = loadedPhotos[indexPath.row]
}else{
let photoLink = photoLinks[indexPath.row]
let url = URL(string: photoLink)
URLSession.shared.dataTask(with: url!) { (data, response, error) in
if(error != nil){
print(error as Any)
return
}
DispatchQueue.main.async {
if let downloadedImage = UIImage(data: data!) {
let image = downloadedImage
cell.photoImage.image = image
self.loadedPhotos.append(image)
}
}
}.resume()
}
return cell
}
，然后将它们打印到控制台。
我尝试了以下内容：
data-id$('.raffle-user-entries .raffle-user-entry').each(function() {
console.log($(this).find('raffle-user-entry-item').data('id'))
})
答案 0 :(得分：0)
更新了小提琴：https://jsfiddle.net/f5w56wp3/1/
$(this).find('raffle-user-entry-item').data('id')在find中的选择器上错过了一个点，而且其中的锚点上也存在data-id 修正：
$('.raffle-user-entries .raffle-user-entry').each(function(){
console.log($(this).find('.raffle-user-entry-item a').data('id'))
})