网易新闻详情页

作者: CowboyBebop | 来源:发表于2016-08-19 15:58 被阅读244次

网易新闻详情页
iOS-HTML交互学习笔记（一）-内容概述
网易新闻与今日头条v3
W3-Summer-产品功能分析
iOS-使用WKWebview实现新闻详情页(JS和OC交互)
UIWebView与tableView嵌套的内存问题及解决方案
仿网易新闻iphone版本，新闻详情页上拉关闭效果（swift）
网易新闻和今日头条的新闻详情页对比分析
w3-夜未央-产品功能分析
09（同类产品的对比）

通过请求html页面，自己解析数据，自己拼接html，自定义css和js文件，可以修改页面上的所有样式。实现点击图片浏览，保存。
DEMO地址：https://github.com/zdq1179169386/WangYiNews

import UIKit
var images = [SKPhoto]();
class ViewController: UIViewController ,UIWebViewDelegate,SKPhotoBrowserDelegate{
@IBOutlet weak var webView: UIWebView!

    override func viewDidLoad() {
    super.viewDidLoad()
这些链接是通过抓包网易新闻客户端获取到的。
//        http://c.3g.163.com/nc/article/BMU8KHQD00964J4O/full.html
//        http://c.m.163.com/nc/article/BUOAKQT700237VUV/full.html
//        http://c.m.163.com/nc/article/BUCHPIS100963VRO/full.html
    let url = NSURL(string: "http://c.m.163.com/nc/article/BUCHPIS100963VRO/full.html");
    
    let request = NSURLRequest(URL: url!);
    
    let dataTask = NSURLSession.sharedSession().dataTaskWithRequest(request) { (data, response, error) in
        
        if(error == nil)
        {
            let json = try? NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments);
//                print(json);
            self.dealNewsDetail(json as! NSDictionary);
        }
    }
    dataTask.resume();
    
}
func dealNewsDetail(json:NSDictionary) -> Void {
//        这里的key BUCHPIS100963VRO，根据上面的url决定
    let alldata = json["BUCHPIS100963VRO"];
    
    var body = alldata!["body"] as! String;
    
    let title = alldata!["title"] as! String;
    
    
    let ptime = alldata!["ptime"] as! String;
    
    let source = alldata!["source"] as! String;
//        [[String : AnyObject]] 数组包含字典
    let img = alldata!["img"] as! [[String : AnyObject]];
    
    for i in 0..<img.count {
        let imgItem = img[i];
        
        let ref = imgItem["ref"] as! String;
        
        let imgTitle = imgItem["alt"] as! String;
        
        let src = imgItem["src"] as! String;
        
        let imgHtml = "<div class=\"all-img\"><img src=\"\(src)\"><div>\(imgTitle)</div></div>";
        
        body = body.stringByReplacingOccurrencesOfString(ref, withString: imgHtml);
        
    }
    
    let titleHtml = "<div id=\"title\">\(title)</div>";
    
    let subTitleHtml = "<div id=\"subTitle\"><span class=\"time\">\(ptime)</span><span class=\"soucre\">\(source)</span></div>"
    
    let css = NSBundle.mainBundle().URLForResource("newsDetail", withExtension: "css");

    let cssHtml = "<link href=\"\(css!)\" rel=\"stylesheet\">";
    
    let js = NSBundle.mainBundle().URLForResource("newDetail", withExtension: "js");
    
    let jsHtml = "<script src=\"\(js!)\"></script>";
    
    let html = "<html><head>\(cssHtml)</head><body>\(titleHtml)\(subTitleHtml)\(body)\(jsHtml)</body></html>"
    
    webView.loadHTMLString(html, baseURL: nil);
    
}

func webView(webView: UIWebView, shouldStartLoadWithRequest request: NSURLRequest, navigationType: UIWebViewNavigationType) -> Bool {
    let requestStr : String = (request.URL?.absoluteString)!;
//        print(requestStr);
    if ((requestStr.rangeOfString("wy://")) != nil) {
        
        let str = requestStr.substringFromIndex(requestStr.rangeOfString("wy://")!.endIndex);
        let method = str.componentsSeparatedByString("+");
        let sel = NSSelectorFromString(method.first!);
        self.performSelector(sel, withObject: method.last);
        
    }
    return true;
}
func webViewDidFinishLoad(webView: UIWebView) {
    let getImages = "function getImages(){var imgs = document.getElementsByTagName(\"img\");var allStr = \"\";for(var i = 0;i<imgs.length;i++){var a = imgs[i];allStr =allStr + a.src + \"+\";}return allStr}";
    webView.stringByEvaluatingJavaScriptFromString(getImages);
    let imgs = webView.stringByEvaluatingJavaScriptFromString("getImages()");
    var allImgs = [String]();
    allImgs = (imgs?.componentsSeparatedByString("+"))!;
    allImgs.removeLast();
    for i in 0..<allImgs.count {
        let photo = SKPhoto.photoWithImageURL(allImgs[i]);
        photo.shouldCachePhotoURLImage = true;
        images.append(photo);
    }
}
func imageClick(imgUrl : String) -> Void {
    
    let browser = SKPhotoBrowser(photos: images)
    browser.initializePageIndex(Int(imgUrl)!)
    presentViewController(browser, animated: true, completion: {})
    
}
}