Javascript NodeJS可以';无法加载css文件
因此,我正在尝试制作一个NodeJS服务器,并尝试保留尽可能少的附加组件 但是,我遇到了一个问题,我似乎无法加载我的Javascript NodeJS可以';无法加载css文件,javascript,html,css,node.js,Javascript,Html,Css,Node.js,因此,我正在尝试制作一个NodeJS服务器,并尝试保留尽可能少的附加组件 但是,我遇到了一个问题,我似乎无法加载我的HTML文件调用的任何CSS文件。该调用似乎已由服务器处理,但未显示在浏览器中 我的webserver.js文件 // A very basic web server in node.js // Stolen from: Node.js for Front-End Developers by Garann Means (p. 9-10) var port = 8000; var
HTML
文件调用的任何CSS
文件。该调用似乎已由服务器处理,但未显示在浏览器中
我的webserver.js文件
// A very basic web server in node.js
// Stolen from: Node.js for Front-End Developers by Garann Means (p. 9-10)
var port = 8000;
var serverUrl = "localhost";
var http = require("http");
var path = require("path");
var fs = require("fs");
console.log("Starting web server at " + serverUrl + ":" + port);
http.createServer( function(req, res) {
var now = new Date();
var filename = req.url || "index.html";
var ext = path.extname(filename);
var localPath = __dirname;
var validExtensions = {
".html" : "text/html",
".js": "application/javascript",
".css": "text/css",
".txt": "text/plain",
".jpg": "image/jpeg",
".gif": "image/gif",
".png": "image/png",
".ico": "image/png"
};
var isValidExt = validExtensions[ext];
if (isValidExt) {
localPath += filename;
fs.exists(localPath, function(exists) {
if(exists) {
console.log("Serving file: " + localPath);
getFile(localPath, res, ext);
} else {
console.log("File not found: " + localPath);
if(ext === 'text/html'){
getFile(__dirname + '/404.html', res, ext);
}
}
});
} else {
console.log("Invalid file extension detected: " + ext)
getFile(__dirname + '/index.html', res, 'text/html');
}
}).listen(port, serverUrl);
function getFile(localPath, res, mimeType) {
fs.readFile(localPath, function(err, contents) {
if(!err) {
res.setHeader("Content-Length", contents.length);
res.setHeader("Content-Type", mimeType);
res.statusCode = 200;
res.end(contents);
} else {
res.writeHead(500);
res.end();
}
});
}
以及index.html
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta charset="utf-8" />
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<p>
Hello
</p>
</body>
</html>
服务器日志
$ node webserver
Starting web server at localhost:8000
Serving file: c:\Users\MichaelTot\Desktop\Code Projects\Web\nodeJS/index.html
Serving file: c:\Users\MichaelTot\Desktop\Code Projects\Web\nodeJS/style.css
Resource interpreted as Stylesheet but transferred with MIME type text/plain: "http://127.0.0.1:8000/style.css".
客户端日志
$ node webserver
Starting web server at localhost:8000
Serving file: c:\Users\MichaelTot\Desktop\Code Projects\Web\nodeJS/index.html
Serving file: c:\Users\MichaelTot\Desktop\Code Projects\Web\nodeJS/style.css
Resource interpreted as Stylesheet but transferred with MIME type text/plain: "http://127.0.0.1:8000/style.css".
问题在于:
getFile(localPath, res, ext);
您将ext
赋予getFile
,但根据函数签名,您正在等待mimetype。所以你应该这样做:
getFile(localPath, res, validExtensions[ext]);
浏览器不读取css,因为默认情况下NodeJ使用
text/plain
mimetype。但是浏览器需要css文件的text/css
mimetype。日志显示了什么?刚刚添加了日志^doeshttp://127.0.0.1:8000/style.css
包含查看时所需的内容?请尝试此res.setHeader(“内容类型”、“文本/html”)代码>(您可能还需要查看express框架、hapi或类似的东西)