Cell上webview加载自适应高度

柔情只为你懂 2023-10-17 08:54 54阅读 0赞

Demo下载地址[Demo下载][Demo]

直接上代码吧，简单粗暴

- (void)viewDidLoad {
        [super viewDidLoad];
        
        [self setUI];
    }
    
    - (void)setUI
    {
        [self loadWeb];
        [self loadTable];
    }
    
    - (void)loadWeb
    {
        v_webView = [[UIWebView alloc]initWithFrame:CGRectMake(0, 0, kScreenWidth, 1)];
        v_webView.delegate = self;
        v_webView.scrollView.scrollEnabled = NO;
        v_webView.scrollView.pagingEnabled = NO;
        v_webView.scrollView.bounces = NO;
        v_webView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
        v_webView.autoresizingMask = UIViewAutoresizingFlexibleHeight;
        //预先加载url
        [v_webView loadRequest:[[NSURLRequest alloc] initWithURL:[NSURL URLWithString:@"https://www.baidu.com/"]]];
    }
    
    - (void)loadTable
    {
        table_data = [[UITableView alloc]initWithFrame:CGRectMake(0,0,kScreenWidth,kScreenHeight) style:UITableViewStyleGrouped];
        table_data.delegate = self;
        table_data.dataSource = self;
        table_data.separatorStyle = UITableViewCellSeparatorStyleNone;
        [self.view addSubview:table_data];
        [table_data registerClass:[ShowTableCell class] forCellReuseIdentifier:@"ShowTableCell"];
    }
    
    #pragma mark - TableViewDelegate & TableViewDatasource
    - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
        return  20;
    }
    
    - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
    {
        if (indexPath.row == 0){
            static NSString *identifier = @"ShowTableCell";
            ShowTableCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
            if (!cell){
                cell = [[ShowTableCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
                /* 忽略点击效果 */
                [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
            }
            NSURLRequest *request = [[NSURLRequest alloc]initWithURL:[NSURL URLWithString:@"https://www.baidu.com/"]];
            [cell.web_info loadRequest:request];
            return cell;
        }else{
            static NSString *identifier = @"cell";
            UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
            if (!cell){
                cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
            }
            cell.textLabel.text = [NSString stringWithFormat:@"index====%ld",(long)indexPath.row];
            return cell;
        }
    }
    
    - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath;
    {
        if(indexPath.row == 0){
            /* 通过webview代理获取到内容高度后,将内容高度设置为cell的高 */
            return v_webView.frame.size.height;
        }else{
            return 40;
        }
    }
    
    - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
    {
        [tableView deselectRowAtIndexPath:indexPath animated:YES];
    }
    
    #pragma mark - UIWebView Delegate Methods
    - (void)webViewDidFinishLoad:(UIWebView *)webView
    {
        //获取到webview的高度
        CGFloat height = [[v_webView stringByEvaluatingJavaScriptFromString:@"document.body.offsetHeight"] floatValue];
        v_webView.frame = CGRectMake(v_webView.frame.origin.x,v_webView.frame.origin.y, kScreenWidth, height);
        [table_data reloadData];
    }

![Center][]

[Demo]: https://github.com/RookieForMingge/WebVOnCellForHi
[Center]: https://img-blog.csdn.net/20160925123525238?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center