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左列定宽
float +margin
<style>
.parent {
background-color: grey;
width: 300px;
height: 200px;
}
.left {
float: left;
width: 100px; // 需要定宽
height: 100%;
background-color: skyblue;
}
.right {
margin-left: 110px;
background-color: greenyellow;
}
</style>
<html>
<div class=”parent”>
<div class=”left”>
<p>left</p>
</div>
<div class=”right”>
<p>right</p>
<p>right</p>
</div>
</div>
</html>
absolute + margin
.parent{
position: relative;
}
.side{
position:absolute;
width:300px;
top:0px;
left:0px;
background:#F00;
}
.main{
background:#0FC;
margin-left:300px;
}
margin-left 负值 + float
<div class=”parent”>
<div class=”left”>
<p>left</p>
</div>
<!– html 部分在这个地方进行了添加，使用 right-fix 把原有结构包裹住了 –>
<div class=”right-fix”>
<div class=”right”>
<p >right</p>
<p>right</p>
</div>
</div>
</div>
.left{
float: left; width: 100px;
position: relative;
}
.right-fix{
float: right; width: 100%;
margin-left: -100px;
}
.right{
margin-left: 120px;
}
BFC
<style>
.parent {
background-color: grey;
width: 300px;
height: 200px;
}
.left {
float: left;
width: 100px; // 需要定宽
height: 100%;
margin-right: 10px;
background-color: skyblue;
}
.right {
height: 100%;
background: #0FC;
overflow: hidden;
padding: 20px;
box-sizing: border-box;
}
</style>
<html>
<div class=”parent”>
<div class=”left”>
<p>left</p>
</div>
<div class=”right”>
<p>right</p>
<p>right</p>
</div>
</div>
</html>
table 父元素定宽高
// 第一种，同时可以实现等高布局
<style>
.parent {
background-color: grey;
width: 300px;
height: 200px;
display: table;
table-layout: fixed;
}
.left {
display: table-cell;
width: 100px;
background-color: skyblue;
border-right: 10px solid transparent;
background-clip: padding-box; // 设置列之间的间距
}
.right {
display: table-cell;
background-color: greenyellow;
}
</style>
<html>
<div class=”parent”>
<div class=”left”>
<p>left</p>
</div>
<div class=”right”>
<p>right</p>
<p>right</p>
</div>
</div>
</html>
// 第二种方法
<style>
.parent {
background-color: grey;
width: 300px;
height: 200px;
display: table;
table-layout: fixed;
}
.left-container {
display: table-cell;
width: 100px;
}
.left {
margin-right: 10px;
background-color: skyblue;
}
.right {
display: table-cell;
background-color: greenyellow;
}
</style>
<html>
<div class=”parent”>
<div class=”left-container”>
<div class=”left”>
<p>left</p>
</div>
</div>
<div class=”right”>
<p>right</p>
<p>right</p>
</div>
</div>
</html>
flex
<div class=”parent”>
<div class=”side”></div>
<div class=”main”></div>
</div>
.parent{
display: flex;
}
.side{
width: 200px;
height: 200px;
margin-right: 10px;
background: #555;
}
.main{
flex: 1;
background: #ddd;
}
