UIToolbar+UIWebView 浏览器

创建界面

var webView : UIWebView!
var toolBar : UIToolbar!
let  swiftWH = UIScreen.mainScreen().bounds.size
webView = UIWebView(frame: CGRectMake(0, 20, swiftWH.width, swiftWH.height-49-20))
webView.delegate = self
webView.scrollView.bounces = false//禁止弹跳
self.view.addSubview(webView)
webView.loadRequest(NSURLRequest(URL: NSURL(string: "https://www.baidu.com")!))

self.createToolBarView()//工具栏

 创建工具栏

func createToolBarView(){
    let  swiftWH = UIScreen.mainScreen().bounds.size
    toolBar = UIToolbar(frame: CGRectMake(0, swiftWH.height-49, swiftWH.width, 49))
    self.view.addSubview(toolBar)
    
    let backBtn = UIBarButtonItem(title: "后退", style: .Plain, target: self, action: Selector("backClick:"))
    let forwardBtn = UIBarButtonItem(title: "前进", style: .Plain, target: self, action: Selector("forwardClick:"))
    let refrashBtn = UIBarButtonItem(title: "刷新", style: .Plain, target: self, action: Selector("refrashClick:"))
    let stopBtn = UIBarButtonItem(title: "停止", style: .Plain, target: self, action: Selector("stopClick:"))
    
    let space = UIBarButtonItem(barButtonSystemItem: .FlexibleSpace, target: nil, action: nil)
    toolBar.setItems([backBtn,space,forwardBtn,space,refrashBtn,space,stopBtn], animated: true)
}

 前进 后退 刷新 停止

func backClick(sender : UIBarButtonItem){
    webView.goBack()
}
func forwardClick(sender : UIBarButtonItem){
    webView.goForward()
}
func refrashClick(sender : UIBarButtonItem){
    webView.reload()
}
func stopClick(sender : UIBarButtonItem){
    webView.stopLoading()
}

UIWebViewDelegate

func webViewDidStartLoad(webView: UIWebView) {
    //开始加载网页
    print("开始加载数据")
}
func webViewDidFinishLoad(webView: UIWebView) {
    //网页加载结束
    print("网页加载结束")
    if let titleStr =  webView.stringByEvaluatingJavaScriptFromString("document.title"){
        print(titleStr)
    }
    
}
func webView(webView: UIWebView, didFailLoadWithError error: NSError?) {
    //网页加载失败
    print("网页加载失败")
    
}
func webView(webView: UIWebView, shouldStartLoadWithRequest request: NSURLRequest, navigationType: UIWebViewNavigationType) -> Bool {
    //点击网页上的链接
    let loadUrlStr = request.URL!
    print(loadUrlStr)
    
    if navigationType == UIWebViewNavigationType.LinkClicked{//点击链接
        return false
    }
    return true
}

 

来源:http://www.cnblogs.com/spaceID/p/4990665.html