// // WEBViewController.m // BuWanVideo2.0 // // Created by apple on 16/9/18. // Copyright © 2016年 com.yeshi.buwansheque.ios. All rights reserved. // #import "WEBViewController.h" #import @interface WEBViewController (){ UILabel *webtitle;//网页显示的标题 } @property (strong, nonatomic) WKWebView *webView; @property (strong, nonatomic) UILabel *titleView; @property (strong, nonatomic) UILabel *urlView; @property (strong, nonatomic) UIButton *backBt; @property (strong, nonatomic) UIButton *reloadBt; @end @implementation WEBViewController - (void)viewDidLoad{ [super viewDidLoad]; //做的假导航栏 _titleView=[[UILabel alloc] initWithFrame:CGRectMake(0, 0, KScreenW, 64)]; _titleView.backgroundColor=kGlobalMainColor; _titleView.userInteractionEnabled=YES; [self.view addSubview:_titleView]; //添加网页链接 _urlView=[[UILabel alloc] initWithFrame:CGRectMake(50, 34, KScreenW-100, 24)]; [_urlView setFont:[UIFont systemFontOfSize:12]]; [_urlView setTextColor:[UIColor whiteColor]]; _urlView.userInteractionEnabled=YES; [self.view addSubview:_urlView]; //网页视图 _webView=[[WKWebView alloc] initWithFrame:CGRectMake(0, 64, KScreenW, KScreenH-64)]; _webView.contentMode=UIViewContentModeScaleAspectFill; _webView.configuration.allowsInlineMediaPlayback=YES; [_webView setNavigationDelegate:self]; [_webView setMultipleTouchEnabled:YES]; [_webView setAutoresizesSubviews:YES]; [_webView.scrollView setAlwaysBounceVertical:YES]; // [_webView setCustomUserAgent:@"Mozilla/5.0 (iPhone; CPU iPhone OS 12_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Mobile/15E148 Safari/604.1"]; // 获取当前UserAgent, 并对其进行修改 [_webView evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id userAgent, NSError * _Nullable error) { if ([userAgent isKindOfClass:[NSString class]]) { NSString *systemUserAgent =@""; systemUserAgent = [NSString stringWithFormat:@"%@ %@", userAgent, @"Safari/604.1" ]; // 关键代码, 必须实现这个方法, 否则第一次打开UA还是原始值, 待第二次打开webview才是正确的UA; [_webView setCustomUserAgent:systemUserAgent]; } }]; // 这行代码可以是侧滑返回webView的上一级，而不是跟控制器（*指针对侧滑有效） [_webView setAllowsBackForwardNavigationGestures:true]; [self.view addSubview:_webView]; //添加返回按钮 _backBt=[[UIButton alloc] initWithFrame:CGRectMake(8, 22, 32, 32)]; [_backBt setImage:[UIImage imageNamed:@"详情页面返回"] forState:UIControlStateNormal]; [_backBt addTarget:self action:@selector(backButtonPushed:) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:_backBt]; //添加刷新按钮 _reloadBt=[[UIButton alloc] initWithFrame:CGRectMake(KScreenW-40, 22, 32, 32)]; [_reloadBt setImage:[UIImage imageNamed:@"网页刷新"] forState:UIControlStateNormal]; [_reloadBt addTarget:self action:@selector(reloadButtonPushed:) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:_reloadBt]; //监听标题 [_webView addObserver:self forKeyPath:@"title" options:NSKeyValueObservingOptionNew context:NULL]; [_webView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionNew context:NULL]; [self loadwebViews]; } - (void)viewWillAppear:(BOOL)animated{ [super viewWillAppear:animated]; //保持屏幕常亮 [[UIApplication sharedApplication] setIdleTimerDisabled:YES]; } -(void)viewWillDisappear:(BOOL)animated{ [super viewWillDisappear:animated]; //强制装换屏幕 NSNumber *orientationUnknown = [NSNumber numberWithInt:UIInterfaceOrientationUnknown]; [[UIDevice currentDevice] setValue:orientationUnknown forKey:@"orientation"]; NSNumber *PortraitorientationUnknown = [NSNumber numberWithInt:UIInterfaceOrientationPortrait]; [[UIDevice currentDevice] setValue:PortraitorientationUnknown forKey:@"orientation"]; //取消屏幕常亮 [[UIApplication sharedApplication] setIdleTimerDisabled:NO]; //状态栏重现 [[UIApplication sharedApplication] setStatusBarHidden:NO]; } - (void)backButtonPushed:(id)sender{ if ([_webView canGoBack]&&![_webView.backForwardList.backList[0].title isEqualToString:webtitle.text]) { [_webView goToBackForwardListItem:_webView.backForwardList.backList[0]]; [SVProgressHUD dismiss]; }else{ [self dismissViewControllerAnimated:YES completion:^{ [SVProgressHUD dismiss]; }]; } } - (void)reloadButtonPushed:(id)sender{ [SVProgressHUD dismiss]; [_webView reload]; } -(void)loadwebViews{ NSURLRequest *req = [[NSURLRequest alloc] initWithURL:[NSURL URLWithString:_url]]; [_webView loadRequest:req]; _urlView.text=_url; } #pragma mark -WKNavigationDelegate // 页面开始加载时调用 - (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation{ } // 当内容开始返回时调用 - (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation{ } // 页面加载完成之后调用 - (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{ } // 页面加载失败时调用 - (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation{ } -(void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler{ WKNavigationActionPolicy policy = WKNavigationActionPolicyAllow; @try { NSString *url; url = navigationAction.request.URL.absoluteString; NSLog(@"链接：%@",url); if([url hasPrefix:@"iqiyi"]){ if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:url]]){ [[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]]; } }else{ /* 如果是域名，判断itunes的host链接 ； 如果是scheme跳转，就判断是否是 App Store 的 scheme */ if([[navigationAction.request.URL host] isEqualToString:@"itunes.apple.com"] || [[navigationAction.request.URL scheme] isEqualToString:@"itms-apps"]) { if ( [[UIApplication sharedApplication] openURL:navigationAction.request.URL]) { policy = WKNavigationActionPolicyCancel; NSLog(@"已跳转至App Store"); } } } } @catch (NSException *exception) { } @finally { } decisionHandler(policy); } -(BOOL)shouldAutorotate{ return YES; } //支持的方向 因为界面A我们只需要支持竖屏 - (UIInterfaceOrientationMask)supportedInterfaceOrientations{ _titleView.frame=CGRectMake(0, 0, KScreenWp, 64); _urlView.frame=CGRectMake(50, 34, KScreenWp-100, 24); _webView.frame=CGRectMake(0, 64, KScreenWp, KScreenHp-64); _backBt.frame=CGRectMake(8, 22, 32, 32); _reloadBt.frame=CGRectMake(KScreenWp-40, 22, 32, 32); return _orMake; } - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { if ([keyPath isEqualToString:@"title"]) { if (object == _webView) { NSString *title = _webView.title; if(webtitle==nil){ webtitle=[[UILabel alloc] initWithFrame:CGRectMake(50, 15, KScreenW-100, 32)]; [webtitle setFont:[UIFont systemFontOfSize:14]]; [webtitle setTextColor:[UIColor whiteColor]]; [webtitle setTextAlignment:NSTextAlignmentLeft]; [_titleView addSubview:webtitle]; } webtitle.text =title; } else { [super observeValueForKeyPath:keyPath ofObject:object change:change context:context]; } }else if ([keyPath isEqualToString:@"estimatedProgress"]) { if (object == _webView) { // double progress = _webView.estimatedProgress; // if(progress!=1){ // [SVProgressHUD showProgress:progress status:@"加载中"]; // }else{ // [SVProgressHUD dismiss]; // } } else { [super observeValueForKeyPath:keyPath ofObject:object change:change context:context]; } } } -(void)dealloc{ [_webView removeObserver:self forKeyPath:@"estimatedProgress"]; [_webView removeObserver:self forKeyPath:@"title"]; } @end