iOS UITableViewCell嵌套UIWebView 自适应高度

- (void)webViewDidFinishLoad:(UIWebView *)webView

{

    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 <document.images.length;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();"];

    

    //获取到webview的高度

    CGFloat height = [[self.webView stringByEvaluatingJavaScriptFromString:@"document.body.offsetHeight"] floatValue];

    self.webView.frame = CGRectMake(0,0,

[UIScreen mainScreen].bounds.size.width

, height);

    [self.tableView reloadData];

}

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{  

     return self.webView.frame.size.height;

}