单行
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>单行</title>
<style>
.box {
width: 100px;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
</style>
</head>
<body>
<div class="box">哈哈哈哈哈哈哈啊哈</div>
</body>
</html>
多行
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>多行</title>
<style>
.box {
width: 100px;
overflow: hidden;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
}
</style>
</head>
<body>
<div class="box">哈哈哈哈哈哈哈啊哈</div>
</body>
</html>
