webView加载html

_webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, HEIGHT(1))];
           self.tableView.tableFooterView = _webView;
        _webView.delegate = self;
        [_webView setUserInteractionEnabled:NO];
        _webView.scrollView.bounces = NO;
        _webView.scrollView.scrollEnabled = NO;
        NSString *htmls = [NSString stringWithFormat:@" \n"
                           " \n"
                           " \n"
                           " \n"
                           ""
                           "%@"
                           ""
                           "",response[@"data"][@"intro"]];
        [_webView loadHTMLString:htmls baseURL:nil];

//代理方法

• (void)webViewDidFinishLoad:(UIWebView *)theWebView
  {
  if ([[theWebView stringByEvaluatingJavaScriptFromString:@"document.body.scrollHeight"] floatValue] != 0) {
  webViewHeight = [[theWebView stringByEvaluatingJavaScriptFromString:@"document.body.scrollHeight"] floatValue];
  CGRect newFrame = _webView.frame;
  newFrame.size.height = webViewHeight;
  _webView.frame = newFrame;
  [self.tableView setTableFooterView:theWebView];
  }
  }