- (void)webViewDidFinishLoad:(UIWebView *)webView {

// 2、都有效果

NSString *js=@"var script = document.createElement('script');"

"script.type = 'text/javascript';"

"script.text = \"function ResizeImages() { "

"var myimg,oldwidth;"

"var maxwidth = %f;"

"for(i=0;i

"myimg = document.images[i];"

"if(myimg.width > maxwidth){"

"oldwidth = myimg.width;"

"myimg.width = %f;"

"}"

"}"

"}\";"

"document.getElementsByTagName('head')[0].appendChild(script);";

js=[NSString stringWithFormat:js,[UIScreen mainScreen].bounds.size.width,[UIScreen mainScreen].bounds.size.width-15];

[webView stringByEvaluatingJavaScriptFromString:js];

[webView stringByEvaluatingJavaScriptFromString:@"ResizeImages();"];

}

wkwebview:

NSString *jScript = @"var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width'); document.getElementsByTagName('head')[0].appendChild(meta);";

WKUserScript *wkUScript = [[WKUserScript alloc] initWithSource:jScript injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES];

WKUserContentController *wkUController = [[WKUserContentController alloc] init];

[wkUController addUserScript:wkUScript];

WKWebViewConfiguration *wkWebConfig = [[WKWebViewConfiguration alloc] init];

wkWebConfig.userContentController = wkUController;

_myWeb = [[WKWebView alloc]initWithFrame:CGRectMake(0, kHeight(60), kGetWidth(self.view.bounds), kGetHeigh(self.view.bounds) - kHeight(70)) configuration:wkWebConfig];

總結

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