UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, KScreenWidth, KScreenHeight-64)];
webView.backgroundColor=YYCToothWashViewBgColor;
[self.view addSubview:webView];
//加载本地html文件
NSString *path = [[NSBundle mainBundle] bundlePath];
NSURL *baseURL = [NSURL fileURLWithPath:path];
//protocal html文件名称 html文件类型
NSString * htmlPath = [[NSBundle mainBundle] pathForResource:@"protocal"
ofType:@"html"];
NSString * htmlCont = [NSString stringWithContentsOfFile:htmlPath
encoding:NSUTF8StringEncoding
error:nil];
[webView loadHTMLString:htmlCont baseURL:baseURL];