if (!webviewHasLoaded && pdIntroduce.length>0) { webView = [[UIWebView alloc]initWithFrame:CGRectMake(10, 30 , DEVW-20, webviewH)]; webView.delegate = self; [webView loadHTMLString:pdIntroduce baseURL:nil]; webviewHasLoaded = YES; } [cell.contentView addSubview:webView];
//当reload的时候,如果重新创建了cell,就必须把 cell.contentview放在{}外面。
- (void)webViewDidFinishLoad:(UIWebView *)wb
{
NSString *height_str = [wb stringByEvaluatingJavaScriptFromString:@"document.body.offsetHeight"];
//document.body.offsetHeight获取页面高度信息
int temp = (int)height_str.integerValue + 10;
if (temp != webviewH) {
webviewH = temp;
webView.frame = CGRectMake(10,30, DEVW-20, webviewH);
//webviewHasLoaded=NO;
webView.scrollView.scrollEnabled = NO; //禁止滚动
[TrainTab reloadData];
}
js获取浏览器基本信息:document.body.clientWidth/clientHeight/scrollWidth/scrollTop:
http://blog.youkuaiyun.com/zjlovety/article/details/6641644