WKWebView的簡單介紹和使用
阿新 • • 發佈:2019-02-11
// 圖片縮放的js程式碼 NSString *js = @"var count = document.images.length;for (var i = 0; i < count; i++) {var image = document.images[i];image.style.width=320;};window.alert('找到' + count + '張圖');"; // 根據JS字串初始化WKUserScript物件 WKUserScript *script = [[WKUserScript alloc] initWithSource:js injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES]; // 根據生成的WKUserScript物件,初始化WKWebViewConfiguration WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init]; [config.userContentController addUserScript:script]; _webView = [[WKWebView alloc] initWithFrame:self.view.bounds configuration:config]; [_webView loadHTMLString:@"<head></head><img src='http://www.nsu.edu.cn/v/2014v3/img/background/3.jpg' />"baseURL:nil]; [self.view addSubview:_webView];