我创建了一个小提琴 https://jsfiddle.net/mh4moyzy/,但我不确定我需要添加什么,以便当浏览器的宽度大于移动设备的宽度(400px(时,使所有这些框堆叠成行,并与浏览器宽度一样宽。这意味着将有 6 行和 1 列。在移动设备中,将有 3 行和 2 列。
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: -webkit-box;
display: -moz-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-flex-flow: row wrap;
justify-content: space-around;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin-top: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
}
<ul class="flex-container">
<li class="flex-item">1</li>
<li class="flex-item">2</li>
<li class="flex-item">3</li>
<li class="flex-item">4</li>
<li class="flex-item">5</li>
<li class="flex-item">6</li>
</ul>
您应该为此使用媒体查询。要使弹性项目采用所有宽度并具有列方向,请添加此代码
@media (min-width: 400px) {
.flex-container {
flex-direction: column;
}
.flex-item {
width: auto;
}
}
此外,如果您想在手机中始终拥有 2 列,您可以将此样式添加到 .flex-item
:
width: calc(50% - 10px);
box-sizing: border-box;
所以示例将如下所示:
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: -webkit-box;
display: -moz-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-flex-flow: row wrap;
justify-content: space-around;
}
.flex-item {
background: tomato;
padding: 5px;
width: calc(50% - 10px); /* replacing fixed width with percentage */
height: 150px;
margin-top: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
box-sizing: border-box; /* Setting borders and paddings to be considered part of width */
}
@media (min-width: 400px) {
.flex-container {
flex-direction: column;
}
.flex-item {
width: auto;
}
}
<ul class="flex-container">
<li class="flex-item">1</li>
<li class="flex-item">2</li>
<li class="flex-item">3</li>
<li class="flex-item">4</li>
<li class="flex-item">5</li>
<li class="flex-item">6</li>
</ul>