Swift项目首页代码

//
// HomeViewController.swift
// LoveLife-Swift
//
// Created by 杨阳 on 16/7/11.
// Copyright © 2016年 yangyang. All rights reserved.
//

import UIKit

class HomeViewController: UIViewController,UITableViewDelegate,UITableViewDataSource {
//声明属性的同时将属性进行初始化，可以避免封包和拆包的问题
//var tableView: UITableView?
var tableView = UITableView()
var hud = MBProgressHUD()

var page = 0
var dataArray = NSMutableArray()

override func viewDidLoad() {
    super.viewDidLoad()

    //创建UI
    createUI()
    //创建刷新
    createRefresh()
}

//MARK: - 创建刷新
func createRefresh() {
    //下拉刷新
    self.tableView.header = MJRefreshNormalHeader(refreshingTarget: self, refreshingAction: "loadNewData")
    //上拉加载
    self.tableView.footer = MJRefreshAutoNormalFooter(refreshingTarget: self, refreshingAction: "loadMoreData")
    //第一次进入页面的时候默认刷新一次
    self.tableView.header.beginRefreshing()
}

//MARK: - 上下拉刷新
func loadNewData() {
    self.page = 1
    self.dataArray = NSMutableArray(capacity: 0)
    loadData()
}

func loadMoreData() {
    self.page++
    loadData()
}

func loadData() {
    
    //启动活动指示器
    self.hud.show(true)
    
    //获取请求对象
    let manager = AFHTTPSessionManager()
    manager.GET("http://open4.bantangapp.com/recommend/index?client_id=bt_app_android&client_secret=ffcda7a1c4ff338e05c42e7972ba7b8d&page=\(self.page)&pagesize=20", parameters: nil, success: { (dataTask: NSURLSessionDataTask?, responseObject: AnyObject?) -> Void in
        
        print(responseObject)
        
        //数据解析
        let dic = responseObject?.objectForKey("data")
        let array = dic?.objectForKey("entry_list")
        
        for i in 0..<array!.count {
            let dic = array![i]
            //创建模型
            let model = HomeModel()
            //AFNetWorking-->Alamofire
            //给属性进行赋值.在Swift里面进行数据解析的 第三方库叫SwiftyModel。作用跟OC中JSONModel一样
            //as?和as！都表示强制解析或者强制转换，as？表示需要强制解析的值可为空，如果需要强制解析的值为空的话，你还使用了as！,直接崩溃
            model.pic1 = dic["pic1"] as? String
            model.title = dic["title"] as? String
            self.dataArray.addObject(model)
            
        }
        
        //拿到数据之后停止活动指示器，停止刷新，去刷新tableView
        self.hud.hide(true)
        
        if self.page == 1 {
            self.tableView.header.endRefreshing()
        } else {
            self.tableView.footer.endRefreshing()
        }
        
        self.tableView.reloadData()
        
        }) { (dataTask: NSURLSessionDataTask?, error: ErrorType?) -> Void in
            print("错误原因是\(error)")
    }
    
}

//MARK: - 创建UI
func createUI() {
    //创建tableView
    self.tableView = UITableView(frame: self.view.bounds, style: UITableViewStyle.Plain)
    //设置代理
    self.tableView.delegate = self
    self.tableView.dataSource = self
    self.view.addSubview(self.tableView)
    
    //创建轮播
    let cyclePlaying = Carousel(frame: CGRectMake(0,0,screenWidth,screenHeight / 3))
    //设置是否需要pageCOntrol
    cyclePlaying.needPageControl = true
    //设置是否需要无限轮播
    cyclePlaying.infiniteLoop = true
    //设置pageCOntrol的位置
    cyclePlaying.pageControlPositionType = PAGE_CONTROL_POSITION_TYPE_MIDDLE
    //设置需要显示图片
    cyclePlaying.imageArray = ["shili8","shili10","shili13","shili15","shili2"]
    //设置为tableView的tableHeaderView
    self.tableView.tableHeaderView = cyclePlaying
    
    //活动指示器
    self.hud = MBProgressHUD(view: self.view)
    //设置加载的文字
    self.hud.labelText = "正在加载..."
    //设置菊花的颜色
    self.hud.activityIndicatorColor = UIColor.whiteColor()
    //设置背景颜色
    self.hud.color = UIColor(white: 0, alpha: 0.5)
    self.view.addSubview(self.hud)
    
    
    //注册cell
    let nib = UINib(nibName: "HomeCell", bundle: nil)
    self.tableView.registerNib(nib, forCellReuseIdentifier: "cellID")
}

//MARK: - 实现代理方法
//确定row的个数
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return self.dataArray.count
}

//创建cell
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
    let cell = tableView.dequeueReusableCellWithIdentifier("cellID", forIndexPath: indexPath) as! HomeCell
    
    //赋值
    cell.model = self.dataArray.objectAtIndex(indexPath.row) as? HomeModel
    
    return cell
}
//确定cell的高复
func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
    return 200
}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
}


/*
// MARK: - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
    // Get the new view controller using segue.destinationViewController.
    // Pass the selected object to the new view controller.
}
*/

}