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左右固定中间自适应 flex
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>左右固定，中间自适应</title>
<style>
.content {
display: flex;
width: 100vw;
height: 100vh;
}
.left {
flex-basis: 300px;
flex-shrink: 0;
background-color: #9f7dcc;
}
.middle {
flex-grow: 1;
}
.right {
flex-basis: 300px;
flex-shrink: 0;
background-color: #03a9f4;
}
</style>
</head>
<body>
<div class="content">
<div class="left"></div>
<div class="middle"></div>
<div class="right"></div>
</div>
</body>
</html>
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左右固定，中间自适应 grid
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>左右固定，中间自适应</title>
<style>
.content {
display: grid;
width: 100vw;
height: 100vh;
grid-template-columns: 300px 1fr 300px;
}
.left {
height: 100%;
background-color: #9f7dcc;
}
.middle {
height: 100%;
}
.right {
height: 100%;
background-color: #03a9f4;
}
</style>
</head>
<body>
<div class="content">
<div class="left"></div>
<div class="middle"></div>
<div class="right"></div>
</div>
</body>
</html>
