1 //2 //VIEWCONTROLLER.M3 //Uiwebviewddemo4 //5 //Created by Hellovoidworld on 15/1/30.6 //Copyright (c) 2015 Hellovoidworld. All rights reserved.7 //8 9 #import "ViewController.h"Ten One @interfaceViewcontroller () <uisearchbardelegate, uiwebviewdelegate> A -@property (Weak, nonatomic) iboutlet UIWebView *WebView; - the@property (Weak, nonatomic) Iboutlet Uibarbuttonitem *Backbutton; -@property (Weak, nonatomic) Iboutlet Uibarbuttonitem *Forwardbutton; --(Ibaction) Back: (Uibarbuttonitem *) sender; --(Ibaction) Forward: (Uibarbuttonitem *) sender; + - @end + A @implementationViewcontroller at -- (void) Viewdidload { - [Super Viewdidload]; - //additional setup after loading the view, typically from a nib. - - //Create a search bar inUisearchbar *searchbar =[[Uisearchbar alloc] init]; -Searchbar.frame = CGRectMake (0,0, -, +); toSearchbar.Delegate=Self ; + -Self.navigationItem.titleView =Searchbar; the *Self.webview.Delegate=Self ; $ }Panax Notoginseng - the +-(Ibaction) Back: (Uibarbuttonitem *) Sender { ANSLog (@"back"); the [Self.webview GoBack]; + } - $-(Ibaction) Forward: (Uibarbuttonitem *) Sender { $NSLog (@"forward"); - [Self.webview GoForward]; - } the - #pragmaMark-uiwebviewdelegateWuyi- (void) Webviewdidstartload: (UIWebView *) WebView { theNSLog (@"Start loading"); - } Wu -- (void) Webviewdidfinishload: (UIWebView *) WebView { AboutNSLog (@"Finish Loading"); $ - //set back, Forward button - if([Self.webview CanGoBack]) { -self.backButton.enabled =YES; A}Else { +self.backButton.enabled =NO; the } - $ if([Self.webview CanGoForward]) { theself.forwardButton.enabled =YES; the}Else { theself.forwardButton.enabled =NO; the } - } in the #pragmaMark-uisearchbardelegate the /** Click the Search button (on the virtual keyboard)*/ About- (void) searchbarsearchbuttonclicked: (Uisearchbar *) Searchbar { theNSString *str =Searchbar.text; theNsurl *url = [Nsurl urlwithstring:[nsstring stringWithFormat:@"http://%@", str]]; theNsurlrequest *request =[Nsurlrequest Requestwithurl:url]; + - [Self.webview loadrequest:request]; the }Bayi the @end3. Load local resources HTML, TXT, doc, ppt, MP4, PDF direct Request can be 4. Automatically identify phone, mailbox, address//Identify all types of data Self.webView.dataDetectorTypes = Uidatadetectorty Peall;
B. Other uses1.OC executing javascript
1 /* */2 - (ibaction) runjs {3 @ "alert (' Hello, world! '); " ; 4 [Self.webview stringbyevaluatingjavascriptfromstring:str]; 5 }1 <%@ Page Language="Java"ContentType="text/html; Charset=utf-8"2 pageencoding="UTF-8"%>3 <!DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd ">4 <HTML>5 <Head>6 <Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8">7 <title>Run OC Code</title>8 </Head>9 <Body>Ten One <Scripttype= "Text/javascript"> A functionRunoc () { - window.location.href="Ios://openalbum"; - } the </Script> - - <inputtype= "button"value= "Run OC Code"onclick= "Runoc ();" /> - + </Body> - </HTML>OC Code:
1 /** WebView will be called before sending the request, can intercept the request, choose to load (return YES) or not (return no)*/2-(BOOL) WebView: (UIWebView *) WebView shouldstartloadwithrequest: (Nsurlrequest *Request Navigationtype: (Uiwebviewnavigationtype) Navigationtype {3 4 //Intercept Request5NSString *urlstr =request. url.absolutestring;6Nsrange range = [Urlstr rangeofstring:@"ios://"];7 8 //if it is an iOS request9 if(Range.length! =0) {Ten //Method Name OneNSString *method = [Urlstr substringFromIndex:range.location +Range.length]; A - //Package sel -SEL selector =nsselectorfromstring (method); the - //Execution Method - [self performselector:selector withobject:nil]; - } + - returnYES; + } A at /** Open Album*/ -- (void) Openalbum { - //Create a photo selection controller -Uiimagepickercontroller *IMAGEPC =[[Uiimagepickercontroller alloc] init]; -[Imagepc Setsourcetype:uiimagepickercontrollersourcetypephotolibrary];//use album Source - in[Self Presentviewcontroller:imagepc animated:yes completion:^{ -NSLog (@"Call out Albums"); to }]; +}
[iOS base Control-7.0] UIWebView
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