- (void)viewDidLoad{    [super viewDidLoad];        _scrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 66, 320, 480)];        //中间还有其他控件    
    //创建webView时要设置一个临时的frame，不然的话webViewDidFinishLoad代理方法中设置webView高度自适应之后，webView会有很多空白    _webView = [[UIWebView alloc]initWithFrame:CGRectMake(0, 100, 320, 10)];    _webView.delegate = self;    //_webView.ScalesPageToFit = YES;//可以用捏合手势来放大或缩小webView页面    _webView.scrollView.scrollEnabled = NO;//禁止UIWebView滚动        //WebView加载本地的html数据    NSMutableDictionary *dict = [LoadFileTools loadWebViewContentsWithFileName:kJobDescribe];    NSString *filePath = [dict objectForKey:@"filePath"];    NSString *htmlString = [dict objectForKey:@"htmlString"];    [_webView loadHTMLString:htmlString baseURL:[NSURL URLWithString:filePath]];}- (void)webViewDidFinishLoad:(UIWebView *)webView{

　　 //获取WebView内容的高度(貌似这两种方式都行)
　　 //NSString *contentH = [webView stringByEvaluatingJavaScriptFromString:@"document.body.scrollHeight"];
　　 NSString *contentH = [webView stringByEvaluatingJavaScriptFromString:@"document.body.offsetHeight"];

    //计算坐标    CGFloat webViewY = otherControlY + 50;    CGFloat webViewH = [contentH floatValue] + 25;        webView.frame = CGRectMake(12, webViewY, 320 - 12, webViewH);    //禁止选中    [webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.style.webkitUserSelect=‘none‘;"];    //禁止弹出菜单    [webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.style.webkitTouchCallout=‘none‘;"];        //设置滚动区域    _scrollView.contentSize = CGSizeMake(0, webViewY + webViewH - 10);    [_scrollView addSubview:_webView];    [self.view addSubview:_scrollView];}