Html :
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<!-- <link rel="stylesheet" type="text/css" href="style.css"> -->
<link rel="stylesheet" href="style.css">
<title>Document</title>
</head>
<body>
<!-- 溢出容器要打点展示 -->
<!-- 1, 单行文本 -->
<p>法国议会选举第一轮投票结束, 马克龙所在的党领先.</p>
</body>
</html>
Css
* {
margin: 0;
padding: 0;
}
p {
width: 300px;
height: 20px;
line-height: 20px;
/* border: 1px solid black; */
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}