4. Static file
4.1. The common method of handling static files
In ./views/index.html css file to another file introduced index.css, index.css file in the public / css directory, the directory structure is such that
Content in the index.html file
<!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">
<title>Document</title>
<style>
#wrap {
width: 300px;
margin: 100px auto;
line-height: 150px;
height: 150px;
text-align: center;
background-color: green;
}
#wrap a {
color: white;
text-decoration: none;
}
</style>
<link rel="stylesheet" href="/public/css/index.css">
</head>
<body>
<div id="wrap">
<a href="/login">登录 | </a>
<a href="/user">用户中心</a>
</div>
</body>
</html>
According to the request to render the index.html file
app.get('/', function (req, res) {
res.sendFile('./index.html')
})
When our approach '/' This path can index.html page loads out, but no way to load up css file
To solve this problem, we also need to write a separate route to return css file
app.get('/public/css/index.css', function (req, res) {
res.sendFile(path.resolve('./public/css/index.css'))
})
4.2.express plug-in static files
express provides plug-in processing static files, static files here is that we need to use the project img, css, js and other resources, need only a simple configuration process for static files can be achieved by following these steps:
The first step, the mount plug-in app
app.use(express.static('./public'))
The second step, using static files, css introduced in the index.html file, the path need to change
<link rel="stylesheet" href="/css/index.css">
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