<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div style=" 120px; height: 50px; border: 1px solid blue;
overflow: hidden; text-overflow:ellipsis">
<nobr>就是比如有一行文字，很长，表格内一行显示不下.</nobr>
</div>
</body>
</html>
第二种：
p{ 2rem; height: 0.95rem; line-height: 0.3rem; padding: 0 0.2rem 0 0.08rem; font-size: 0.22rem; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }