布局

# div

layout.html

<!DOCTYPE html>
<html lang="zh">
<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>布局</title>
    <style>
        html,body {
            margin:0;
            width: 100%;
            height: 100%;
            text-align: center;
            font-size: 30px;
            font-weight: bold;            
        }
        div{
            box-sizing: border-box;
        }
        .container {
            height: 100%;            
            position: relative;
        }
        #header {
            background-color:rgb(152, 152, 255);
            width: 100%;
            height: 80px;
            padding-top: 10px;
        }
        #aside {
            background-color:aquamarine;
            float: left;
            width: 200px;
            height: calc(100% - 140px);
            padding-top: 10px;
        }
        #main {
            background-color:honeydew;
            float: left;
            width: calc(100% - 200px);
            height: calc(100% - 140px);
            padding-top: 10px;
            padding-left: 20px;
            text-align: left;
        }
        #footer {
            background-color:darksalmon;
            height: 60px;
            padding-top: 10px;
        }
    </style>
</head>
<body>
    <div class="container">
        <div id="header">#header</div>
        <div id="aside">#aside</div>
        <div id="main">#main</div>
        <div style="clear: both;"></div>
        <div id="footer">#footer</div>
    </div>
    
</body>
</html>

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# template

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

<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>模板</title>
    <style>
        html,
        body {
            margin: 0;
            width: 100%;
            height: 100%;
        }

        .btn {
            padding: 10px;
        }

        .out {
            width: 100%;
            height: 100%;
            box-sizing: border-box;
            background-color:darkgrey;
        }

        .in {
            width: 200px;
            box-sizing: border-box;
            height: 200px;
            border: solid 2px black;
            padding: 10px;
            background-color: antiquewhite;
            margin: 10px;
            float: left;
        }
    </style>
</head>

<body>    
    <div class="out">
        <div class="btn">
            <input type="button" value="根据模板创建" id="add">
        </div>
        
    </div>
    <template id="t">
        <div class="in">
            <form action="">
                <p><label>姓名</label> <input type="text"></p>
                <p><label>年龄</label> <input type="text"></p>
                <p><input type="submit" value="添加"></p>
            </form>
        </div>
    </template>
    <script>
        document.getElementById("add").onclick = () => {
            let t = document.getElementById("t");
            let inputs = t.content.querySelectorAll("input");
            inputs[0].value = randomGenerator("abcdefghijklmnopqrstuvwxyz", 5);
            inputs[1].value = randomGenerator("1234567890", 2);
            const c = document.importNode(t.content, true);
            document.querySelector(".out").appendChild(c);
        }
        function randomGenerator(str, n) {
            const result = [];
            for (let i = 0; i < n; i++) {
                result.push(str.charAt(Math.floor(Math.random() * str.length)))
            }
            return result.join("");
        }
    </script>
</body>

</html>

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