html
<div class="box">
<span>测试文字</span>
</div>
css
.box{
width: 200px;
height: 200px;
overflow: hidden;
background: #ccc;
text-align: center;
}
.box span{
vertical-align: middle;
line-height: 200px;
}
html
<div class="table">
<span class="cell">测试文字测试文字测试文字测试文字</span>
</div>
css
.table{
display: table;
}
.cell{
display: table-cell;
vertical-align: middle;
text-align: center;
}
html
<div class="box">
<span>测试文字测试文字测试文字测试文字</span>
</div>
css
.box{
position: relative;
}
.box span{
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
html
<div class="flex">
<span>测试文字测试文字测试文字测试文字</span>
</div>
css
display:flex;
flex-direction: row;
justify-content: space-around;
align-items: center;
html
<div class="box">
<span>测试文字测试文字测试文字测试文字</span>
</div>
css
display: -webkit-box;
-webkit-box-orient: horizontal;
-webkit-box-pack: center;
-webkit-box-align: center;
https://web.lieme.cn/cssDemo/cssCenter.html