解决 iframe 弹框蒙板显示不了全屏

最新推荐文章于 2025-12-06 11:52:03 发布

原创最新推荐文章于 2025-12-06 11:52:03 发布 · 2k 阅读

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#前端

此代码示例展示了如何在HTML父页面中使用CSS和JavaScript实现一个全局遮罩层，并通过iframe嵌入的子页面调用显示弹框功能。子页面使用layui库打开弹框，并与父页面通信以控制遮罩层的显示和隐藏。

在这里插入图片描述

父级页面

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>父页面</title>
    <style>
        *{
            margin:0;
            padding:0;
        }
        html,body{
            width: 100%;
            height: 100%;
        }
        .wrapper{
            width: 100%;
            height: 100%;
            display: flex;
        }

        .left{
            width: 200px;
            height: 100%;
            background-color: #1e9fff;
        }

        .right{
            margin-left: 20px;
            flex: 1;
            background-color: #fff;
        }

        .right-content-container{
            width: 100%;
            height: 100%;
        }

        #globalShade{
            display: none;
            background-color: #000;
            width:100%;
            height:100%;
            position: absolute;
            left:0;
            top:0;
            opacity: 0.3;
            z-index: 9999;
        }

        #sonpage{
            width:100%;
            height: 98%;
            background-color: #fff;
            position: relative;
            z-index: 10000;
        }
    </style>
</head>
<body>
    <div class="wrapper">
        <section class="left"></section>
        <section class="right">
            <div id="sonpage">
                <iframe class="right-content-container" src="./son.html" frameborder="0"></iframe>
            </div>
        </section>
    </div>

     <!-- 父级蒙板 -->
     <div id="globalShade"></div>

     <script src="../../../js/jquery-1.4.4.min.js"></script>
     <script>
        function showGlobalShade() {
            $("#globalShade").css({display:'block'});
        };
        function hideGlobalShade() {
            $("#globalShade").css({display:'none'});
        };
     </script>
</body>
</html>

子级页面

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>子页面</title>
    <link rel="stylesheet" href="../../../layui/css/layui.css">
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        html,
        body {
            width: 100%;
            height: 100%;
        }

        .sonwrapper {
            width: 100%;
            height: 100%;
            box-sizing: border-box;
            padding: 20px;
        }

    </style>
</head>

<body>
    <div class="sonwrapper">
        <button class="layui-btn layui-btn-primary" onclick="showToast()">点击展示弹框</button>
    </div>

    <!-- 弹框 -->
    <div id="son_layer" style="display: none;">
        <h1 style="text-align: center;">你好</h1>
    </div>

    <script src="../../../js/jquery-1.4.4.min.js"></script>
    <script src="../../../layui/layui.js"></script>
    <script>
        function showToast() {
            window.parent.showGlobalShade();
            layui.use('layer', function () {
                var layer = layui.layer;
                layer.open({
                    type: 1
                    , area: ['50%', '50%']
                    , btn: ['确定', '取消']
                    , content: $("#son_layer")
                    ,cancel:function(index){
                        window.parent.hideGlobalShade();
                        $("#son_layer").css({display:'none'});
                    }
                });
            })
        }
    </script>
</body>

</html>