4.渲染最终 HTML 后创建(参考 3.rendering ...之前)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Hello, world!</title>
</head>
<body>
message:"rendered view with ejs"
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Hello, world!</title>
</head>
<body>
message:"rendered view with ejs"
</body>
</html>