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: {})
}
}