多界面开发

多界面开发顶部滑动标签使用UICollectionView ,界面使用UIPageviewController控制器

// YLJSpecialViewController.swift

// ShopNC B2B2C

// Created by 鱼老九 on 2019/1/30.

/**

专题模版

import UIKit

importSnapKit

importAlamofire

importSwiftyJSON

classYLJNavSpecialDataFrame:NSObject{

vartitle :String!

varisHiddenLine :Bool=true

vartitleFrame :CGRect!

}

class YLJSpecialViewController: UIViewController,UIScrollViewDelegate,UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout,UIPageViewControllerDelegate,UIPageViewControllerDataSource{

lettitles = ["查看0","管理理1","优化优化2","收藏收藏藏3","管理管理管理4","管理管理管理管5","收藏管理管理管理管理6","收藏收藏藏7","管理管理管理8","收藏收藏藏9","管理管理管理10","收藏收藏藏11","管理管理管理12"]

var navspecialFrames : Array<YLJNavSpecialDataFrame> = Array<YLJNavSpecialDataFrame>()

letUICollectionViewCellID ="UICollectionViewCellID"

let screenWidth : CGFloat = UIScreen.main.bounds.size.width

let screenHeight : CGFloat = UIScreen.main.bounds.size.height

varnavSelectedindexPath :IndexPath?//被选中的cell的indexpatch

let pageViewController : UIPageViewController = UIPageViewController.init(transitionStyle: UIPageViewControllerTransitionStyle.scroll, navigationOrientation: UIPageViewControllerNavigationOrientation.horizontal, options: nil)

var ArrayVc : Array<UIViewController> = Array<UIViewController>()//子控制器数组

varcollectionView :UICollectionView!//导航条标签

varcurrentVCIndex :Int!//当前控制器索引

overridefuncviewDidLoad() {

super.viewDidLoad()

for(key,item)intitles.enumerated() {

letnavSpecialdataFrame =YLJNavSpecialDataFrame()

navSpecialdataFrame.title= item

// 标题的frame

letfont:UIFont! =UIFont.systemFont(ofSize:CGFloat(10*ScreenMultiple))

letattributes1 = [NSFontAttributeName:font]as[String:Any]

let option = NSStringDrawingOptions.usesLineFragmentOrigin

letsize = item.boundingRect(with:CGSize(width:screenWidth, height:500), options: option, attributes: attributes1, context:nil).size

navSpecialdataFrame.titleFrame=CGRect(x:0, y:0, width:CGFloat(size.width) +CGFloat(10*ScreenMultiple), height:44)

//是否显示横线

ifkey ==0{

navSpecialdataFrame.isHiddenLine=false

}

navspecialFrames.append(navSpecialdataFrame)

letVc =UIViewController.init()

letlabel =UILabel()

label.textColor=UIColor.black

label.textAlignment= .center

label.text=String(key)

label.frame=CGRect(x:0, y:100, width:screenWidth, height:300)

Vc.view.addSubview(label)

ifkey%2==0{

Vc.view.backgroundColor = UIColor.white

}else{

Vc.view.backgroundColor = UIColor.green

}

self.ArrayVc.append(Vc)

}

let flowLayout = UICollectionViewFlowLayout()

flowLayout.scrollDirection= .horizontal

flowLayout.minimumInteritemSpacing = 10;

collectionView=UICollectionView(frame:CGRect(x:0, y:0, width:screenWidth, height:44), collectionViewLayout: flowLayout)

collectionView.showsVerticalScrollIndicator = false

collectionView.showsHorizontalScrollIndicator = false

collectionView.delegate = self

collectionView.dataSource = self

collectionView.backgroundColor = UIColor.white

collectionView.register(YLJNavSpecialCell.self, forCellWithReuseIdentifier: UICollectionViewCellID)

self.navigationItem.titleView = collectionView

//单个视图控制器多个标签页切换使用

pageViewController.delegate = self

pageViewController.dataSource = self

self.addChildViewController(pageViewController)

self.view.addSubview(pageViewController.view)

ifISIPHONEX{

pageViewController.view.frame=CGRect(x:0, y:0, width:screenWidth, height:screenHeight-83)

}else{

pageViewController.view.frame=CGRect(x:0, y:0, width:screenWidth, height:screenHeight -49)

}

self.pageViewController.setViewControllers([self.ArrayVc[0]], direction:UIPageViewControllerNavigationDirection.forward, animated:true, completion:nil)

//http://192.168.0.133/mobile/index.php?act=index&op=get_special

let url = "\(API_URL)index.php?act=index&op=get_special"

// Alamofire.request(url).response(queue: DispatchQueue.global()) { (returnResult) in

// if let data = returnResult.data {

// let json = JSON.init(data)

// print("专题数据:",json)

// var imgUrls : Array = Array()

// for (key,item) in json["datas"].arrayValue.enumerated() {

// //special_title

// let specialDataFrame = YLJNavSpecialDataFrame()

// specialDataFrame.title = item["special_title"].stringValue

// let font:UIFont! = UIFont.systemFont(ofSize: CGFloat(10*ScreenMultiple))

// let attributes1 = [NSFontAttributeName:font] as [String : Any]

// let option = NSStringDrawingOptions.usesLineFragmentOrigin

// let size = item["special_title"].stringValue.boundingRect(with: CGSize(width: self.screenWidth, height: 500), options: option, attributes: attributes1, context: nil).size

// specialDataFrame.titleFrame = CGRect(x: 0, y: 0, width: CGFloat(size.width) + CGFloat(10*ScreenMultiple), height: 44)

// //是否显示横线

// if key == 0 {

// specialDataFrame.isHiddenLine = false

// }

// //let jsons = JSON.init(item["special_content"].string)

// //print("专题图片信息:",)

// var array = Array()

// for j in JSON.init(parseJSON: item["special_content"].stringValue)["app"]["img"] .arrayValue {

// print("专题图片信息:",j)

// let urlinfo = YLJImagsUrl()

// urlinfo.url = j["src"].stringValue

// urlinfo.goods_id = j["id"].stringValue

// array.append(urlinfo)

// }

// imgUrls.append(array)

// self.navspecialFrames.append(specialDataFrame)

// }

// DispatchQueue.main.async {

// for key in 0 ..< self.navspecialFrames.count {

// let subVC = YLJSpecialSubOneViewController()

// subVC.url_strs = imgUrls[key] as! Array

// self.ArrayVc.append(subVC)

// }

// self.collectionView.reloadData()

// if self.ArrayVc.count > 0 {

// self.pageViewController.setViewControllers([self.ArrayVc[0]], direction: UIPageViewControllerNavigationDirection.forward, animated: true, completion: nil)

// }

}

funccollectionView(_collectionView:UICollectionView, numberOfItemsInSection section:Int) ->Int{

return self.navspecialFrames.count

}

funccollectionView(_collectionView:UICollectionView, cellForItemAt indexPath:IndexPath) ->UICollectionViewCell{

letcell = collectionView.dequeueReusableCell(withReuseIdentifier:UICollectionViewCellID, for: indexPath)as!YLJNavSpecialCell

//cell.backgroundColor = UIColor.white

cell.titleLabel.text = navspecialFrames[indexPath.item].title

cell.lineLabel.isHidden = navspecialFrames[indexPath.item].isHiddenLine

ifself.navSelectedindexPath==nil&& indexPath.item==0{

self.navSelectedindexPath= indexPath

}

returncell

}

funccollectionView(_collectionView:UICollectionView, layout collectionViewLayout:UICollectionViewLayout, sizeForItemAt indexPath:IndexPath) ->CGSize{

return navspecialFrames[indexPath.item].titleFrame.size

}

funccollectionView(_collectionView:UICollectionView, didSelectItemAt indexPath:IndexPath) {

print("点击了第几个cell",indexPath.item)

//对选中的indexpath 的cell 进行恢复

letcell = collectionView.cellForItem(at:self.navSelectedindexPath!)as?YLJNavSpecialCell

cell?.lineLabel.isHidden=true

//对数据进行恢复

let dataFrame = self.navspecialFrames[(self.navSelectedindexPath?.item)!]

dataFrame.isHiddenLine=true

//对当前选中的cell界面进行更新

letcurrentCell = collectionView.cellForItem(at: indexPath)as?YLJNavSpecialCell

currentCell?.lineLabel.isHidden=false

//对数据进行刷新

letcurrentDataFrame =self.navspecialFrames[indexPath.item]

currentDataFrame.isHiddenLine=false

// self.pageViewController

//对pageviewcontroller进行设置

letisDirection = (self.navSelectedindexPath?.item)! > indexPath.item?1:0

pageViewController.setViewControllers([ArrayVc[indexPath.item]], direction: isDirection ==1? UIPageViewControllerNavigationDirection.reverse:UIPageViewControllerNavigationDirection.forward, animated:true, completion:nil)

self.navSelectedindexPath= indexPath

}

//MARK:UIPageViewControllerDelegate

funcpageViewController(_pageViewController:UIPageViewController, didFinishAnimating finished:Bool, previousViewControllers: [UIViewController], transitionCompleted completed:Bool) {

ifcompleted {

ifcurrentVCIndex!=ArrayVc.index(of: previousViewControllers[0]) {

print("当前控制器索引",currentVCIndex)

collectionView.scrollToItem(at:IndexPath(item:currentVCIndex!, section:0), at:UICollectionViewScrollPosition.centeredHorizontally, animated:true)

collectionView(collectionView, didSelectItemAt:IndexPath(item:currentVCIndex, section:0))

}

funcpageViewController(_pageViewController:UIPageViewController, willTransitionTo pendingViewControllers: [UIViewController]) {

currentVCIndex=ArrayVc.index(of: pendingViewControllers[0])

}

//MARK:UIPageViewControllerDataSource

funcpageViewController(_pageViewController:UIPageViewController, viewControllerBefore viewController:UIViewController) ->UIViewController? {

guardletviewControllerIndex =ArrayVc.index(of: viewController)else{

returnnil

}

letpreviousIndex = viewControllerIndex -1

guardpreviousIndex >=0else{

returnnil

}

guardArrayVc.count> previousIndexelse{

returnnil

}

returnArrayVc[previousIndex]

}

funcpageViewController(_pageViewController:UIPageViewController,viewControllerAfter viewController:UIViewController) ->UIViewController? {

guardletviewControllerIndex =ArrayVc.index(of: viewController)else{

returnnil

}

letnextIndex = viewControllerIndex +1

letorderedViewControllersCount =ArrayVc.count

guardorderedViewControllersCount != nextIndexelse{

returnnil

}

guardorderedViewControllersCount > nextIndexelse{

returnnil

}

returnArrayVc[nextIndex]

}

overridefuncdidReceiveMemoryWarning() {

super.didReceiveMemoryWarning()

// Dispose of any resources that can be recreated.

}

overridefuncviewWillAppear(_animated:Bool) {

super.viewWillAppear(animated)

self.navigationController?.navigationBar.barTintColor = NAVI_BAR_COLOR

self.navigationController?.navigationBar.isTranslucent = false

// self.navigationController?.navigationBar.setBackgroundImage(UIImage(), for: UIBarMetrics.default)

self.navigationController?.navigationBar.barStyle = UIBarStyle.default

// self.navigationController?.navigationBar.isHidden = true

self.tabBarController?.tabBar.tintColor=UIColor(red:255/255, green:80/255, blue:57/255, alpha:1.0)

self.navigationController?.tabBarItem.selectedImage = self.navigationController?.tabBarItem.selectedImage?.withRenderingMode(UIImageRenderingMode.alwaysOriginal)

}

overridefuncviewWillDisappear(_animated:Bool) {

super.viewWillDisappear(animated)

}

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