<!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>Document</title>
<style>
p > span {
background-image: linear-gradient(135deg, transparent 15%, red, transparent 35%), linear-gradient(45deg, transparent 65%, red, transparent 85%);
background-size: 0.7rem 0.7rem;
background-repeat: repeat-x;
background-position: 0 1.8rem;
display: inline-block;
padding: 0.5rem;
}
</style>
</head>
<body>
<p>This is a <span>dynamic wave line</span>!</p>
</body>
</html>
你这应该部分词组划重点吧,把词组建一个库或者对象,编辑器输入的时候检测其中是否又满足词组的字段,然后给满足的设置下划波浪线CSS