//模板引擎是分离 用户界面和业务数据 的一种技术
//分离html和js
//导入EJS
const ejs = require("ejs");
const fs = require("fs");
let china = "中国";
let str = fs.readFileSync("01_html.html").toString();
let result = ejs.render(str, { china, china });
console.log(result);
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
</head>
<body>
<h1><%=china%></h1>
</body>
</html>