UIWebView详解

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修改UIWebView的字体大小,字体颜色,和页面背景色

在webView的delegate回调方法-webViewDidFinishLoad:(UIWebView*)webView;中写上一下语句即可

//字体大小

[webView stringByEvaluatingJavaScriptFromString:@"document.getElementsByTagName('body')[0].style.webkitTextSizeAdjust= '330%'"];

//字体颜色

[webView stringByEvaluatingJavaScriptFromString:@"document.getElementsByTagName('body')[0].style.webkitTextFillColor= 'gray'"];

//页面背景色

[webView stringByEvaluatingJavaScriptFromString:@"document.getElementsByTagName('body')[0].style.background='#2E2E2E'"];

之前把方法写在init里怎么都不行，原来得写在delegate里啊（上边的才是正确的）

- (void)initWebView

{

if (!self.myWebView){

self.myWebView = [[UIWebViewalloc]initWithFrame:self.view.bounds];

}

self.myWebView.delegate =self;

self.myWebView.opaque =NO;//不设置这个值页面背景始终是白色

self.myWebView.backgroundColor = [UIColorclearColor];

self.myWebView.scalesPageToFit =NO; //禁止用户缩放页面

self.myWebView.dataDetectorTypes =UIDataDetectorTypePhoneNumber|UIDataDetectorTypeLink;

self.myWebView.scrollView.pagingEnabled =YES;

self.myWebView.scrollView.contentInset =UIEdgeInsetsMake(0,0,0,0);

self.myWebView.autoresizingMask =UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;

[self.view addSubview:self.myWebView];

NSString *jsString = [[NSString alloc] initWithFormat:@"document.body.style.fontSize=%f;document.body.style.color=%@",16.0,[color webColorString]];

[self.myWebViewstringByEvaluatingJavaScriptFromString:jsString];

}

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