此圖是我卡頓的列表頁截屏，為了避免打廣告和泄漏隱私的緣故，部分地方會打馬賽克，望諒解，不過絕對不影響讀者閱讀：
//
//? JCWFinancialFroductListVC.swift
//? HengYouCai
//
//? Created by wll on 2017/11/9.
//? Copyright ? 2017年 wll. All rights reserved.
//? 理財產品列表--代碼
import UIKit
///定義blcok
typealias RunloopBlock = ((IndexPath) -> Bool)
private let cellID = "XXXFinancialFroductListVCCell"
//MARK:界面初始化
class XXXFinancialFroductListVC: BaseTableViewController {
/******處理滑動卡頓******///iOS11 系統(tǒng)bug會特別卡
///時鐘事件
var timer: Timer?
///任務數(shù)組
var tasksArr: [RunloopBlock] = []
///任務對應indexPath數(shù)組
var tasksIndexPathArr: [IndexPath] = []
///最大任務 10
let maxQueueLength = XXXLimitNumberPageSize
/******處理滑動卡頓******/
///上拉下拉刷新管理器
let? pageManager = XXXRefreshPageManager()
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
//每次進來刷新
if pageManager.pageNo>1 {
let index = IndexPath(row: 0, section: 0)
self.tableView.scrollToRow(at: index, at: .top, animated: true)
? ? ? }
pageManager.pageNo = 1
loadData()
? }
override func viewDidLoad() {
super.viewDidLoad()
self.view.jcw_showGifLoading()
///界面配置
self.createNav()
self.createCV()
/******處理滑動卡頓******/
//添加runloop的監(jiān)聽
self.addRunloopObserver()
/******處理滑動卡頓******/
weak var weakSelf = self
self.tableView.mj_header = WLRefreshGifHeader(refreshingBlock: {
? ? ? ? ? weakSelf?.pageManager.pageNo = XXXLimitNumberStarPage
? ? ? ? ? weakSelf?.loadData()
? ? ? })
? }
func createNav() {
self.navigationItem.title = "理財產品"
? }
func createCV() {
self.tableView.register(XXXFinancialProductCell.self, forCellReuseIdentifier: cellID)
self.tableView.backgroundColor = Normal_458Color
self.tableView.separatorStyle = .none
self.tableView.estimatedRowHeight = 0
self.tableView.estimatedSectionFooterHeight = 0
self.tableView.estimatedSectionHeaderHeight = 0
///頂部間隙
let topGrayView = UIView(frame: CGRect(x: 0, y: 0, width: XXXSCREENW, height: 8))
? ? ? topGrayView.backgroundColor = self.tableView.backgroundColor
self.tableView.tableHeaderView = topGrayView
? }
}
//MARK:表代理
extension XXXFinancialFroductListVC {
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.pageManager.dataArr.count
? }
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell: XXXFinancialProductCell = tableView.dequeueReusableCell(withIdentifier: cellID) as! XXXFinancialProductCell
self.addTask(indexPath) { (indexP) -> Bool in
? ? ? ? ? cell.kaDunHandler(self.pageManager.dataArr, tableView, indexP)
return true
? ? ? }
? ? ? cell.kaDunHandler2(self.pageManager.dataArr, tableView, indexPath)
return cell
? }
override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return 128
? }
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
let final = FinancialDetailVC()
let model = pageManager.dataArr[indexPath.row] as! ProjectModel
? ? ? final.homeModel = model
? ? ? final.idStr = model.id
self.navigationController?.pushViewController(final, animated: true, withHideBottomBarWhenPush: true, pop: false)
? }
}
//MARK:處理卡頓
extension XXXFinancialFroductListVC {
///添加新的任務的方法!
func addTask(_ indexP: IndexPath, unit: @escapingRunloopBlock) {
self.tasksArr.append(unit)
self.tasksIndexPathArr.append(indexP)
//判斷一下 保證沒有來得及顯示的cell不會繪制
if self.tasksArr.count > self.maxQueueLength {
_ = self.tasksArr.remove(at: 0)
_ = self.tasksIndexPathArr.remove(at: 0)
? ? ? }
? }
///添加runloop的監(jiān)聽
fileprivate func addRunloopObserver() {
//獲取當前RunLoop
let runLoop: CFRunLoop = CFRunLoopGetCurrent()
//定義一個上下文
var context: CFRunLoopObserverContext = CFRunLoopObserverContext(version: 0, info: unsafeBitCast(self, to: UnsafeMutableRawPointer.self), retain: nil, release: nil, copyDescription: nil)
//定義一個觀察者
if? let observer = CFRunLoopObserverCreate(kCFAllocatorDefault, CFRunLoopActivity.beforeWaiting.rawValue, true, 0, self.observerCallbackFunc(), &context){
//添加當前RunLoop的觀察者
CFRunLoopAddObserver(runLoop, observer, .commonModes);
? ? ? }
? }
///回調函數(shù)
func observerCallbackFunc() -> CFRunLoopObserverCallBack {
return {(observer, activity, context) -> Void in
if context == nil {//如果沒有取到? 直接返回
return
? ? ? ? ? }
// 崩潰的與原因不在這里? isFromADGuide 的問題 不應該取反
//取出上下文 就是當前的vc
let vc = unsafeBitCast(context, to: XXXFinancialFroductListVC.self)
//取出任務
if let unit = vc.tasksArr.first, let indexP = vc.tasksIndexPathArr.first {
var result = false
while (result == false && !vc.tasksArr.isEmpty && !vc.tasksIndexPathArr.isEmpty){
//執(zhí)行任務
? ? ? ? ? ? ? ? ? result = unit(indexP);
//干掉第一個任務
_ = vc.tasksArr.remove(at: 0)
_ = vc.tasksIndexPathArr.remove(at: 0)
? ? ? ? ? ? ? }
? ? ? ? ? }
? ? ? }
? }
}
//MARK:列表數(shù)據(jù)請求
extension XXXFinancialFroductListVC {
fileprivate func loadData() {
XXXNetService.productsList(withDict: ["XXX":"x","pageNo":self.pageManager.pageNo,"pageSize":XXXLimitNumberPageSize], onSuccess: { (result) in
//隱藏加載框
self.view.hideHUDLoading(0)
//坑 一定記得加可選值 否則 footer可能不存在
self.tableView.mj_header?.endRefreshing()
self.tableView.mj_footer?.endRefreshing()
let resultList: [Any]? = JSON(result asAny).dictionaryValue["productsList"]?.arrayObject
if self.pageManager.pageNo == XXXLimitNumberStarPage {
self.pageManager.dataArr.removeAll()
//下拉清除任務
self.tasksArr.removeAll()
self.tasksIndexPathArr.removeAll()
? ? ? ? ? }
if let count = resultList?.count, count >= XXXLimitNumberPageSize{
self.pageManager.pageNo += XXXLimitNumberStarPage
weak var weakSelf = self
self.tableView.mj_footer = WLRefreshFooter(refreshingBlock: {
? ? ? ? ? ? ? ? ? weakSelf?.loadData()
? ? ? ? ? ? ? })
? ? ? ? ? }else{
self.tableView.mj_footer?.endRefreshingWithNoMoreData()
? ? ? ? ? }
self.pageManager.dataArr.append(contentsOf: ProjectModel .mj_objectArray(withKeyValuesArray: resultList))
self.tableView.reloadData()
? ? ? }) { (code, errMsg) in
//隱藏加載框
self.view.hideHUDLoading(0)
self.tableView.mj_header?.endRefreshing()
self.tableView.mj_footer?.endRefreshing()
? ? ? }
? }
}
