flex学习, 尝试布局一个计算器

时间：2022-03-06 21:09:44

flex学习, 尝试布局一个计算器

<!DOCTYPE html>

<html>

<head>

    <title>flex</title>

</head>

<style type="text/css">

.col {

    border: 1px solid #ccc;

    display: flex;

    justify-content: center;

    min-height: 300px;

    width: 310px;

}

.c2 {

    margin: 1px;

    border: 1px solid #BBB;

    text-align: center;

    background-color: #ccc;

    display: flex;

    justify-content: center;

    align-items: center;

}

.c2:hover {

    background-color: #ddd;

}

.left{

	display: flex;

	/*flex-direction: row;*/

	flex-wrap: wrap;

	/*justify-content: flex-start;*/

}

.left div{

	flex-basis: 60px;

    min-height: 60px;

    flex-grow: 1;

}

.right{

	display: flex;

	flex-direction: column;

}

.right div{

	flex-basis: 60px;

	min-width: 60px;

}

.hcol{

	display: flex;

	justify-content: center;

	align-items: center;

}

</style>

<body>

    <div class="col">

        <div class="left">

            <div class="c2">

            	<p>Num Lock</p>

            </div>

            <div class="c2">

                <p>/</p>

            </div>

            <div class="c2">

                <p>*</p>

            </div>

            <div class="c2">

                <p>7</p>

            </div>

            <div class="c2">

                <p>8</p>

            </div>

            <div class="c2">

                <p>9</p>

            </div>

            <div class="c2">

                <p>4</p>

            </div>

            <div class="c2">

                <p>5</p>

            </div>

            <div class="c2">

                <p>6</p>

            </div>

            <div class="c2">

                <p>1</p>

            </div>

            <div class="c2">

                <p>2</p>

            </div>

            <div class="c2">

                <p>3</p>

            </div>

            <div class="c2" style="flex-grow: 6;">

                <p>0</p>

            </div>

            <div class="c2" style="flex-grow: 1">

                <p>.</p>

            </div>

        </div>

        <div class="right">

            <div class="c2">

                <p>-</p>

            </div>

            <div class="c2 hcol" style="flex:2;">

                <p>+</p>

            </div>

            <div class="c2 hcol" style="flex:2;">

                <p>Enter</p>

            </div>

        </div>

    </div>

</body>

</html>

0和.使用下面的样式也可以

预想的是上面是等宽3列, 下面一个2:1的两列, 但是因为space around的缘故, 上面多一个间隙, 因为是3列, 所以要想完美的2:1两分, 前面的列需要稍微多一点点才可以

            <div class="c2" style="flex: 68;min-width: 60px;">

                <p>0</p>

            </div>

            <div class="c2" style="flex: 33;min-width: 60px;">

                <p>.</p>

            </div>

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